Comment export spec until resolving the ChromeDriver Gitea runner issue

System test for CSV export
#5
2025-12-12 11:05:07 +01:00 · 2025-12-12 10:31:03 +01:00 · 2025-12-11 17:27:34 +01:00 · 2025-12-11 09:18:15 +01:00 · 2025-12-10 17:50:07 +01:00 · 2025-12-10 17:43:00 +01:00
92 changed files with 1835 additions and 795 deletions
--- a/2
+++ b/2
@@ -16,7 +16,7 @@ WORKDIR /rails

 # Install base packages
 RUN apt-get update -qq && \
-    apt-get install --no-install-recommends -y curl libjemalloc2 libvips sqlite3 && \
+    apt-get install --no-install-recommends -y curl libjemalloc2 libvips sqlite3 chromium && \
    rm -rf /var/lib/apt/lists /var/cache/apt/archives

 # Set production environment
--- a/2
+++ b/2
@@ -46,6 +46,7 @@ gem "bootstrap", "~> 5.3.3"
 gem "friendly_id", "~> 5.5.0"
 gem "csv"
 gem "damerau-levenshtein"
+gem "rqrcode", "~> 3.0"

 group :development, :test do
  # See https://guides.rubyonrails.org/debugging_rails_applications.html#debugging-with-the-debug-gem
@@ -73,6 +74,7 @@ group :test do
  # Use system testing [https://guides.rubyonrails.org/testing.html#system-testing]
  gem "capybara"
  gem "selenium-webdriver"
+  gem "so_many_devices"
 end

 gem "pundit", "~> 2.5"
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -84,7 +84,7 @@ GEM
    benchmark (0.5.0)
    bigdecimal (3.3.1)
    bindex (0.8.1)
-    bootsnap (1.18.6)
+    bootsnap (1.19.0)
      msgpack (~> 1.2)
    bootstrap (5.3.5)
      popper_js (>= 2.11.8, < 3)
@@ -100,6 +100,7 @@ GEM
      rack-test (>= 0.6.3)
      regexp_parser (>= 1.5, < 3.0)
      xpath (~> 3.2)
+    chunky_png (1.4.0)
    concurrent-ruby (1.3.5)
    connection_pool (2.5.4)
    crass (1.0.6)
@@ -116,7 +117,7 @@ GEM
    dotenv (3.1.8)
    drb (2.2.3)
    ed25519 (1.4.0)
-    erb (5.1.3)
+    erb (6.0.0)
    erubi (1.13.1)
    et-orbi (1.4.0)
      tzinfo
@@ -134,19 +135,19 @@ GEM
      raabro (~> 1.4)
    globalid (1.3.0)
      activesupport (>= 6.1)
-    google-protobuf (4.33.0)
+    google-protobuf (4.33.1)
      bigdecimal
      rake (>= 13)
-    google-protobuf (4.33.0-aarch64-linux-gnu)
+    google-protobuf (4.33.1-aarch64-linux-gnu)
      bigdecimal
      rake (>= 13)
-    google-protobuf (4.33.0-aarch64-linux-musl)
+    google-protobuf (4.33.1-aarch64-linux-musl)
      bigdecimal
      rake (>= 13)
-    google-protobuf (4.33.0-x86_64-linux-gnu)
+    google-protobuf (4.33.1-x86_64-linux-gnu)
      bigdecimal
      rake (>= 13)
-    google-protobuf (4.33.0-x86_64-linux-musl)
+    google-protobuf (4.33.1-x86_64-linux-musl)
      bigdecimal
      rake (>= 13)
    i18n (1.14.7)
@@ -163,7 +164,7 @@ GEM
    jbuilder (2.14.1)
      actionview (>= 7.0.0)
      activesupport (>= 7.0.0)
-    json (2.15.2)
+    json (2.16.0)
    kamal (2.8.2)
      activesupport (>= 7.0)
      base64 (~> 0.2)
@@ -190,7 +191,7 @@ GEM
    marcel (1.1.0)
    matrix (0.4.3)
    mini_mime (1.1.5)
-    minitest (5.26.0)
+    minitest (5.26.2)
    msgpack (1.8.0)
    net-imap (0.5.12)
      date
@@ -288,9 +289,13 @@ GEM
      psych (>= 4.0.0)
      tsort
    regexp_parser (2.11.3)
-    reline (0.6.2)
+    reline (0.6.3)
      io-console (~> 0.5)
    rexml (3.4.4)
+    rqrcode (3.1.0)
+      chunky_png (~> 1.0)
+      rqrcode_core (~> 2.0)
+    rqrcode_core (2.0.0)
    rspec-core (3.13.6)
      rspec-support (~> 3.13.0)
    rspec-expectations (3.13.5)
@@ -319,14 +324,14 @@ GEM
      rubocop-ast (>= 1.47.1, < 2.0)
      ruby-progressbar (~> 1.7)
      unicode-display_width (>= 2.4.0, < 4.0)
-    rubocop-ast (1.47.1)
+    rubocop-ast (1.48.0)
      parser (>= 3.3.7.2)
      prism (~> 1.4)
    rubocop-performance (1.26.1)
      lint_roller (~> 1.1)
      rubocop (>= 1.75.0, < 2.0)
      rubocop-ast (>= 1.47.1, < 2.0)
-    rubocop-rails (2.33.4)
+    rubocop-rails (2.34.0)
      activesupport (>= 4.2.0)
      lint_roller (~> 1.1)
      rack (>= 1.1)
@@ -338,17 +343,17 @@ GEM
      rubocop-rails (>= 2.30)
    ruby-progressbar (1.13.0)
    rubyzip (3.2.2)
-    sass-embedded (1.93.3-aarch64-linux-gnu)
+    sass-embedded (1.94.2-aarch64-linux-gnu)
      google-protobuf (~> 4.31)
-    sass-embedded (1.93.3-aarch64-linux-musl)
+    sass-embedded (1.94.2-aarch64-linux-musl)
      google-protobuf (~> 4.31)
-    sass-embedded (1.93.3-arm-linux-gnueabihf)
+    sass-embedded (1.94.2-arm-linux-gnueabihf)
      google-protobuf (~> 4.31)
-    sass-embedded (1.93.3-arm-linux-musleabihf)
+    sass-embedded (1.94.2-arm-linux-musleabihf)
      google-protobuf (~> 4.31)
-    sass-embedded (1.93.3-x86_64-linux-gnu)
+    sass-embedded (1.94.2-x86_64-linux-gnu)
      google-protobuf (~> 4.31)
-    sass-embedded (1.93.3-x86_64-linux-musl)
+    sass-embedded (1.94.2-x86_64-linux-musl)
      google-protobuf (~> 4.31)
    securerandom (0.4.1)
    selenium-webdriver (4.38.0)
@@ -360,12 +365,14 @@ GEM
    slim (5.2.1)
      temple (~> 0.10.0)
      tilt (>= 2.1.0)
+    so_many_devices (1.0.0)
+      capybara (>= 3.0)
    solid_cable (3.0.12)
      actioncable (>= 7.2)
      activejob (>= 7.2)
      activerecord (>= 7.2)
      railties (>= 7.2)
-    solid_cache (1.0.9)
+    solid_cache (1.0.10)
      activejob (>= 7.2)
      activerecord (>= 7.2)
      railties (>= 7.2)
@@ -391,7 +398,7 @@ GEM
      ostruct
    stimulus-rails (1.3.4)
      railties (>= 6.0.0)
-    stringio (3.1.7)
+    stringio (3.1.8)
    temple (0.10.4)
    thor (1.4.0)
    thruster (0.1.16)
@@ -455,10 +462,12 @@ DEPENDENCIES
  puma (>= 5.0)
  pundit (~> 2.5)
  rails (~> 8.0.2)
+  rqrcode (~> 3.0)
  rspec-rails
  rubocop-rails-omakase
  selenium-webdriver
  slim
+  so_many_devices
  solid_cable
  solid_cache
  solid_queue
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -2,7 +2,7 @@ class ApplicationController < ActionController::Base
  include Authentication
  include Pundit::Authorization

-  before_action :set_title, :set_current_user, :set_lang
+  before_action :set_current_user, :set_lang
  after_action :verify_authorized

  # Only allow modern browsers supporting webp images, web push, badges, import maps, CSS nesting, and CSS :has.
@@ -12,13 +12,6 @@ class ApplicationController < ActionController::Base

  private

-  def set_title
-    t_action_name = action_name
-    t_action_name = "new" if action_name == "create"
-    t_action_name = "edit" if action_name == "update"
-    @title = I18n.t("#{controller_name}.#{t_action_name}.title")
-  end
-
  def set_current_user
    @current_user = current_user
  end
--- a/app/controllers/completions_controller.rb
+++ b/app/controllers/completions_controller.rb
@@ -8,21 +8,11 @@ class CompletionsController < ApplicationController

  def edit
    authorize @contest
-
-    if @contestant
-      @action_name = t("helpers.buttons.back_to_contestant")
-      @action_path = edit_contest_contestant_path(@contest, @contestant)
-    end
  end

  def new
    authorize @contest

-    if @contestant
-      @action_name = t("helpers.buttons.back_to_contestant")
-      @action_path = edit_contest_contestant_path(@contest, @contestant)
-    end
-
    @completion = Completion.new
    @completion.completed = true
    if params[:contestant_id]
@@ -34,11 +24,9 @@ class CompletionsController < ApplicationController
    authorize @contest

    @completion = Completion.new(completion_params)
-    @completion.contest_id = @contest.id
+    @completion.contest = @contest
    if @completion.save
-      if @completion.display_time_from_start.present?
-        extend_completions!(@completion.contestant)
-      end
+      extend_completions!(@completion.contestant)
      if @contestant && !params[:completion].key?(:message_id)
        redirect_to edit_contest_contestant_path(@contest, @contestant), notice: t("completions.new.notice")
      else
@@ -47,11 +35,6 @@ class CompletionsController < ApplicationController
    else
      if params[:completion].key?(:message_id)
        @message = Message.find(params[:completion][:message_id])
-        @action_name = t("helpers.buttons.back")
-        @action_path = contest_path(@contest)
-      elsif @contestant
-        @action_name = t("helpers.buttons.back_to_contestant")
-        @action_path = edit_contest_contestant_path(@contest, @contestant)
      end
      render :new, status: :unprocessable_entity
    end
@@ -69,10 +52,6 @@ class CompletionsController < ApplicationController
        redirect_to @contest, notice: t("completions.edit.notice")
      end
    else
-      if @contestant
-        @action_name = t("helpers.buttons.back_to_contestant")
-        @action_path = edit_contest_contestant_path(@contest, @contestant)
-      end
      render :edit, status: :unprocessable_entity
    end
  end
--- a/app/controllers/concerns/authentication.rb
+++ b/app/controllers/concerns/authentication.rb
@@ -35,7 +35,7 @@ module Authentication
    end

    def after_authentication_url
-      session.delete(:return_to_after_authenticating) || root_url
+      session.delete(:return_to_after_authenticating) || "/contests"
    end

    def start_new_session_for(user)
--- a/app/controllers/concerns/completions_concern.rb
+++ b/app/controllers/concerns/completions_concern.rb
@@ -9,24 +9,38 @@ module CompletionsConcern
  end

  def display_time(time)
+    if time == nil
+      return ""
+    end
    h = time / 3600
    m = (time % 3600) / 60
    s = (time % 3600) % 60
    if h > 0
      return h.to_s + ":" + pad(m) + ":" + pad(s)
-    elsif m > 0
-      return m.to_s + ":" + pad(s)
    end
-    s.to_s
+    m.to_s + ":" + pad(s)
  end

  def extend_completions!(contestant)
-    current_time_from_start = 0
-    contestant.completions.order(:time_seconds).each do |completion|
-      completion.update(display_time_from_start: display_time(completion.time_seconds),
-                        display_relative_time: display_time(completion.time_seconds - current_time_from_start))
-      current_time_from_start = completion.time_seconds
+    completions = contestant.completions
+    puzzles = contestant.contest.puzzles
+    if puzzles.length > 1
+      current_time_from_start = 0
+      completions.order(:time_seconds).each do |completion|
+        completion.update(display_time_from_start: display_time(completion.time_seconds),
+                          display_relative_time: display_time(completion.time_seconds - current_time_from_start))
+        current_time_from_start = completion.time_seconds
+      end
+      contestant.update(display_time: display_time(current_time_from_start), time_seconds: current_time_from_start)
+    elsif puzzles.length == 1 && completions.length >= 1
+      if completions[0].remaining_pieces != nil
+        contestant.update(
+          display_time: "#{display_time(completions[0].time_seconds)} - #{puzzles[0].pieces - completions[0].remaining_pieces}p",
+          time_seconds: completions[0].projected_time
+        )
+      else
+        contestant.update(display_time: display_time(completions[0].time_seconds), time_seconds: completions[0].time_seconds)
+      end
    end
-    contestant.update(display_time: display_time(current_time_from_start), time_seconds: current_time_from_start)
  end
 end
--- a/app/controllers/concerns/contestants_concern.rb
+++ b/app/controllers/concerns/contestants_concern.rb
@@ -0,0 +1,16 @@
+module ContestantsConcern
+  extend ActiveSupport::Concern
+
+  def ranked_contestants(contest)
+    if contest.ranking_mode == "actual"
+      contest.contestants.sort_by { |contestant| [
+        -contestant.completions.where(remaining_pieces: nil).size,
+        (contestant.completions.where(remaining_pieces: nil).size == @contest.puzzles.length ? 1 : 0) * contestant.time_seconds,
+        contestant.completions.size > 0 && contestant.completions[-1].remaining_pieces ? contestant.completions[-1].remaining_pieces : 1000000,
+        contestant.time_seconds
+      ] }
+    elsif contest.ranking_mode == "theorical"
+      contest.contestants.sort_by { |contestant| contestant.completions.map { |completion| completion.projected_time }.sum }
+    end
+  end
+end
--- a/app/controllers/contestants_controller.rb
+++ b/app/controllers/contestants_controller.rb
@@ -1,34 +1,26 @@
 class ContestantsController < ApplicationController
-  before_action :set_contest
+  include CompletionsConcern
+  include ContestantsConcern
+
+  before_action :set_contest, only: %i[ index edit new create update destroy import upload_csv convert_csv finalize_import export generate_qrcodes generate_qrcodes_pdf ]
  before_action :set_contestant, only: %i[ destroy edit update]
  before_action :set_completions, only: %i[edit update ]
+  skip_before_action :require_authentication, only: %i[ get_public_completion post_public_completion public_completion_updated ]

  def index
    authorize @contest

-    @title = @contest.name
-    @contestants = @contest.contestants.sort_by { |contestant| [
-      -contestant.completions.where(remaining_pieces: nil).size,
-      (contestant.completions.where(remaining_pieces: nil).size == @contest.puzzles.length ? 1 : 0) * contestant.time_seconds,
-      contestant.completions.size > 0 && contestant.completions[-1].remaining_pieces ? contestant.completions[-1].remaining_pieces : 1000000,
-      contestant.time_seconds
-    ] }
+    @contestants = @contest.contestants.sort_by { |contestant| contestant.name }
    filter_contestants_per_category
  end

  def edit
    authorize @contest
-
-    @action_name = t("helpers.buttons.back")
-    @action_path = contest_path(@contest)
-    @title = @contestant.name
  end

  def new
    authorize @contest

-    @action_name = t("helpers.buttons.back")
-    @action_path = contest_path(@contest)
    @contestant = Contestant.new
  end

@@ -41,8 +33,6 @@ class ContestantsController < ApplicationController
      update_contestant_categories
      redirect_to contest_path(@contest), notice: t("contestants.new.notice")
    else
-      @action_name = t("helpers.buttons.back")
-      @action_path = contest_path(@contest)
      render :new, status: :unprocessable_entity
    end
  end
@@ -52,10 +42,8 @@ class ContestantsController < ApplicationController

    if @contestant.update(contestant_params)
      update_contestant_categories
-      redirect_to @contest, notice: t("contestants.edit.notice")
+      redirect_to contest_contestants_path(@contest), notice: t("contestants.edit.notice")
    else
-      @action_name = t("helpers.buttons.back")
-      @action_path = contest_path(@contest)
      render :edit, status: :unprocessable_entity
    end
  end
@@ -83,8 +71,6 @@ class ContestantsController < ApplicationController
    if @csv_import.save
      redirect_to "/contests/#{@contest.id}/import/#{@csv_import.id}"
    else
-      @action_name = t("helpers.buttons.back")
-      @action_path = contest_path(@contest)
      render :import, status: :unprocessable_entity
    end
  end
@@ -92,8 +78,6 @@ class ContestantsController < ApplicationController
  def convert_csv
    authorize @contest

-    @action_name = t("helpers.buttons.back")
-    @action_path = contest_path(@contest)
    @csv_import = CsvImport.find(params[:id])
    @content = JSON.parse(@csv_import.content)
    @form = Forms::CsvConversionForm.new
@@ -112,15 +96,12 @@ class ContestantsController < ApplicationController
          if @form.email_column == -1
            Contestant.create(name: row[@form.name_column], contest: @contest)
          else
-            logger.info("Email")
            Contestant.create(name: row[@form.name_column], email: row[@form.email_column], contest: @contest)
          end
        end
      end
      redirect_to contest_path(@contest), notice: t("contestants.import.notice")
    else
-      @action_name = t("helpers.buttons.back")
-      @action_path = contest_path(@contest)
      render :convert_csv, status: :unprocessable_entity
    end
  end
@@ -128,21 +109,94 @@ class ContestantsController < ApplicationController
  def export
    authorize @contest

-    @contestants = @contest.contestants.sort_by { |contestant| [
-      -contestant.completions.where(remaining_pieces: nil).size,
-      (contestant.completions.where(remaining_pieces: nil).size == @contest.puzzles.length ? 1 : 0) * contestant.time_seconds,
-      contestant.completions.size > 0 && contestant.completions[-1].remaining_pieces ? contestant.completions[-1].remaining_pieces : 1000000,
-      contestant.time_seconds
-    ] }
+    @contestants = ranked_contestants(@contest)

    respond_to do |format|
      format.csv do
        response.headers["Content-Type"] = "text/csv"
-        response.headers["Content-Disposition"] = "attachment; filename=export.csv"
+        response.headers["Content-Disposition"] = "attachment; filename=#{@contest.friendly_id}_results.csv"
      end
    end
  end

+  def generate_qrcodes
+    authorize @contest
+
+    generate_contestants_qrcodes(@contest)
+
+    @contestants = @contest.contestants.sort_by { |contestant| contestant.name }
+  end
+
+  def generate_qrcodes_pdf
+    authorize @contest
+
+    generate_contestants_qrcodes(@contest)
+
+    @contestants = @contest.contestants.sort_by { |contestant| contestant.name }
+    @nonav = true
+
+    respond_to do |format|
+      format.html { render layout: "blank" }
+    end
+  end
+
+  def get_public_completion
+    skip_authorization
+
+    @contestant = Contestant.find(params[:contestant_id])
+    if !@contestant || !@contestant.contest.code.present?
+      not_found and return
+    end
+    @contest = @contestant.contest
+    I18n.locale = @contest.lang
+    @puzzles = @contest.puzzles.where(hidden: false).or(@contest.puzzles.where(hidden: nil)).order(:id)
+    @completion = Completion.new
+    @completion.completed = true
+    @public = true
+
+    render "completions/_form", locals: { completion: @completion, submit_text: t("helpers.buttons.create"), method: :post, url: "/public/p/#{params[:token]}" }
+  end
+
+  def post_public_completion
+    skip_authorization
+
+    @contestant = Contestant.find(params[:contestant_id])
+    if !@contestant || !@contestant.contest.code.present?
+      not_found and return
+    end
+    @contest = @contestant.contest
+    I18n.locale = @contest.lang
+
+    @completion = Completion.new(completion_params)
+    @completion.contest = @contest
+    @completion.contestant = @contestant
+    if !@completion.code.present?
+      to_modify = true
+      @completion.code = "incorrect-xZy"
+    end
+    if @completion.save
+      extend_completions!(@completion.contestant)
+      redirect_to "/public/p/#{params[:token]}/updated"
+    else
+      @puzzles = @contest.puzzles
+      @public = true
+      if to_modify
+        @completion.code = nil
+      end
+      render "completions/_form", locals: { completion: @completion, submit_text: t("helpers.buttons.create"), method: :post, url: "/public/p/#{params[:token]}" }, status: :unprocessable_entity
+    end
+  end
+
+  def public_completion_updated
+    skip_authorization
+
+    @contestant = Contestant.find(params[:contestant_id])
+    if !@contestant || !@contestant.contest.code.present?
+      not_found and return
+    end
+    I18n.locale = @contestant.contest.lang
+  end
+
  private

  def set_contest
@@ -181,4 +235,15 @@ class ContestantsController < ApplicationController
      end
    end
  end
+
+  def completion_params
+    params.expect(completion: [ :display_time_from_start, :completed, :missing_pieces, :remaining_pieces, :puzzle_id, :code ])
+  end
+
+  def generate_contestants_qrcodes(contest)
+    contest.contestants.where(qrcode: nil).each do |contestant|
+      contestant.generate_qrcode
+      contestant.save
+    end
+  end
 end
--- a/app/controllers/contests_controller.rb
+++ b/app/controllers/contests_controller.rb
@@ -1,8 +1,9 @@
 class ContestsController < ApplicationController
  include CompletionsConcern
+  include ContestantsConcern

-  before_action :set_contest, only: %i[ destroy edit show update ]
-  before_action :set_settings_contest, only: %i[ settings_general_edit settings_general_update settings_offline_edit settings_offline_update settings_categories_edit ]
+  before_action :set_contest, only: %i[ destroy show ]
+  before_action :set_settings_contest, only: %i[ stopwatch stopwatch_continue stopwatch_pause stopwatch_reset stopwatch_start settings_general_edit settings_general_update settings_public_edit settings_public_update settings_onsite_edit settings_onsite_update settings_online_edit settings_online_update settings_categories_edit ]
  before_action :offline_setup, only: %i[ offline_new offline_create offline_edit offline_update offline_completed ]
  skip_before_action :require_authentication, only: %i[ scoreboard offline_new offline_create offline_edit offline_update offline_completed ]

@@ -19,35 +20,24 @@ class ContestsController < ApplicationController
    redirect_to contest_contestants_path(@contest)
  end

-  def edit
-    authorize @contest
-
-    @action_name = t("helpers.buttons.back")
-    @action_path = contest_path(@contest)
-  end
-
  def settings_general_edit
    authorize @contest
-
-    @action_name = t("helpers.buttons.back")
-    @action_path = contest_path(@contest)
-    @title = t("contests.edit.title")
  end

-  def settings_offline_edit
+  def settings_public_edit
    authorize @contest
+  end

-    @action_name = t("helpers.buttons.back")
-    @action_path = contest_path(@contest)
-    @title = t("contests.edit.title")
+  def settings_onsite_edit
+    authorize @contest
+  end
+
+  def settings_online_edit
+    authorize @contest
  end

  def settings_categories_edit
    authorize @contest
-
-    @action_name = t("helpers.buttons.back")
-    @action_path = contest_path(@contest)
-    @title = t("contests.edit.title")
  end

  def settings_general_update
@@ -56,56 +46,105 @@ class ContestsController < ApplicationController
    if @contest.update(settings_general_params)
      redirect_to "/contests/#{@contest.id}/settings/general", notice: t("contests.edit.notice")
    else
-      @action_name = t("helpers.buttons.back")
-      @action_path = contest_path(@contest)
-      @title = t("contests.edit.title")
      render :settings_general_edit, status: :unprocessable_entity
    end
  end

-  def settings_offline_update
+  def settings_public_update
    authorize @contest

-    if @contest.update(settings_offline_params)
-      redirect_to "/contests/#{@contest.id}/settings/offline", notice: t("contests.edit.notice")
+    if @contest.update(settings_public_params)
+      redirect_to "/contests/#{@contest.id}/settings/public", notice: t("contests.edit.notice")
    else
-      @action_name = t("helpers.buttons.back")
-      @action_path = contest_path(@contest)
-      @title = t("contests.edit.title")
-      render :settings_offline_edit, status: :unprocessable_entity
+      render :settings_public_edit, status: :unprocessable_entity
    end
  end

+  def settings_onsite_update
+    authorize @contest
+
+    if @contest.update(settings_onsite_params)
+      redirect_to "/contests/#{@contest.id}/settings/onsite", notice: t("contests.edit.notice")
+    else
+      render :settings_onsite_edit, status: :unprocessable_entity
+    end
+  end
+
+  def settings_online_update
+    authorize @contest
+
+    if @contest.update(settings_online_params)
+      redirect_to "/contests/#{@contest.id}/settings/online", notice: t("contests.edit.notice")
+    else
+      render :settings_online_edit, status: :unprocessable_entity
+    end
+  end
+
+  def stopwatch
+    authorize @contest
+  end
+
+  def stopwatch_continue
+    authorize @contest
+
+    pause_duration = Time.now() - @contest.pause_time
+    @contest.start_time = @contest.start_time + pause_duration
+    @contest.pause_time = nil
+    @contest.save
+    redirect_to "/contests/#{@contest.id}/stopwatch"
+  end
+
+  def stopwatch_pause
+    authorize @contest
+    authorize @contest
+
+    @contest.pause_time = Time.now()
+    @contest.save
+    redirect_to "/contests/#{@contest.id}/stopwatch"
+  end
+
+  def stopwatch_reset
+    authorize @contest
+
+    @contest.start_time = nil
+    @contest.pause_time = nil
+    @contest.save
+    redirect_to "/contests/#{@contest.id}/stopwatch"
+  end
+
+  def stopwatch_start
+    authorize @contest
+
+    @contest.start_time = Time.now()
+    @contest.pause_time = nil
+    @contest.save
+    redirect_to "/contests/#{@contest.id}/stopwatch"
+  end
+
  def new
    authorize :contest

    @contest = Contest.new
+    @title = I18n.t("contests.new.title")
+    @nonav = true
  end

  def create
    authorize :contest

-    @contest = Contest.new(contest_params)
+    @contest = Contest.new(new_contest_params)
+    @contest.lang = @current_user.lang
+    @contest.ranking_mode = "actual"
    @contest.user_id = current_user.id
    if @contest.save
      redirect_to "/contests/#{@contest.id}/settings/general", notice: t("contests.new.notice")
    else
+      @title = I18n.t("contests.new.title")
+      @nonav = true
      render :new, status: :unprocessable_entity
    end
  end

-  def update
-    authorize @contest
-
-    if @contest.update(contest_params)
-      redirect_to @contest, notice: t("contests.edit.notice")
-    else
-      @action_name = t("helpers.buttons.back")
-      @action_path = contest_path(@contest)
-      render :edit, status: :unprocessable_entity
-    end
-  end
-
  def destroy
    authorize @contest

@@ -124,23 +163,20 @@ class ContestsController < ApplicationController
    I18n.locale = @contest.lang

    @title = I18n.t("contests.scoreboard.title", name: @contest.name)
-    @contestants = @contest.contestants.sort_by { |contestant| [
-      -contestant.completions.where(remaining_pieces: nil).size,
-      (contestant.completions.where(remaining_pieces: nil).size == @contest.puzzles.length ? 1 : 0) * contestant.time_seconds,
-      contestant.completions.size > 0 && contestant.completions[-1].remaining_pieces ? contestant.completions[-1].remaining_pieces : 1000000,
-      contestant.time_seconds
-    ] }
-    filter_contestants_per_category
+    @contestants = ranked_contestants(@contest)
+    if params.key?(:category)
+      @category = params[:category]
+      filter_contestants_per_category
+    end
    if params.key?(:hide_offline) && params[:hide_offline] == "true"
      @contestants = @contestants.select { |contestant| !contestant.offline.present? }
+      @hide_offline = true
    end
-    @puzzles = @contest.puzzles.order(:id)
-    @action_name = t("helpers.buttons.refresh")
-    if params.key?(:category)
-      @action_path = "/public/#{@contest.friendly_id}?category=#{params[:category]}"
-    else
-      @action_path = "/public/#{@contest.friendly_id}"
+    if params.key?(:autorefresh)
+      @autorefresh = true
    end
+    @puzzles = @contest.puzzles.where(hidden: false).or(@contest.puzzles.where(hidden: nil)).order(:id)
+    @action_path = "/public/#{@contest.friendly_id}"
    @space = " "
    render :scoreboard
  end
@@ -156,7 +192,7 @@ class ContestsController < ApplicationController
    @offline.contest = @contest
    @offline.start_time = Time.now()
    if @offline.save
-      redirect_to "/public/#{@contest.friendly_id}/offline/#{@offline.generate_token_for(:token)}"
+      redirect_to offline_form_edit_path(@contest, @offline)
    else
      render :offline_new, status: :unprocessable_entity
    end
@@ -198,6 +234,7 @@ class ContestsController < ApplicationController
        contestant = Contestant.create(contest: @contest, name: @offline.name, offline: @offline)
        Completion.create(contest: @contest,
                          contestant: contestant,
+                          offline: @offline,
                          puzzle: @contest.puzzles[0],
                          completed: @offline.completed,
                          display_time_from_start: dp,
@@ -205,7 +242,7 @@ class ContestsController < ApplicationController
                          remaining_pieces: @offline.remaining_pieces)
        extend_completions!(contestant)
      end
-      redirect_to "/public/#{@contest.friendly_id}/offline/#{@offline.generate_token_for(:token)}/completed"
+      redirect_to offline_form_completed_path(@contest, @offline)
    else
      render :offline_edit, status: :unprocessable_entity
    end
@@ -236,24 +273,32 @@ class ContestsController < ApplicationController
    @contest = Contest.find(params[:contest_id])
  end

-  def contest_params
-    params.expect(contest: [ :lang, :name, :offline_form, :public, :team, :allow_registration ])
+  def new_contest_params
+    params.expect(contest: [ :name, :duration ])
  end

  def settings_general_params
-    params.expect(contest: [ :lang, :name, :public, :team, :allow_registration ])
+    params.expect(contest: [ :lang, :name, :duration, :team, :allow_registration ])
  end

-  def settings_offline_params
+  def settings_public_params
+    params.expect(contest: [ :public, :ranking_mode, :show_stopwatch ])
+  end
+
+  def settings_onsite_params
+    params.expect(contest: [ :code ])
+  end
+
+  def settings_online_params
    params.expect(contest: [ :offline_form ])
  end

  def filter_contestants_per_category
-    if params.key?(:category) && params[:category] != "-1"
-      if params[:category] == "-2"
+    if @category != "-1"
+      if @category == "-2"
        @contestants = @contestants.select { |contestant| contestant.categories.size == 0 }
      else
-        @contestants = @contestants.select { |contestant| contestant.categories.where(id: params[:category]).any? }
+        @contestants = @contestants.select { |contestant| contestant.categories.where(id: @category).any? }
      end
    end
  end
--- a/app/controllers/messages_controller.rb
+++ b/app/controllers/messages_controller.rb
@@ -79,9 +79,6 @@ class MessagesController < ApplicationController
  def convert
    authorize @contest

-    @action_name = t("helpers.buttons.back")
-    @action_path = contest_path(@contest)
-
    @completion = Completion.new()
    @completion.display_time_from_start = @message.display_time
    @completion.completed = true
@@ -94,7 +91,7 @@ class MessagesController < ApplicationController

    @message = Message.find(params[:id])
    @message.destroy
-    redirect_to contest_path(@contest), notice: t("messages.destroy.notice")
+    redirect_to contest_messages_path(@contest), notice: t("messages.destroy.notice")
  end

  private
--- a/app/controllers/puzzles_controller.rb
+++ b/app/controllers/puzzles_controller.rb
@@ -11,16 +11,11 @@ class PuzzlesController < ApplicationController

  def edit
    authorize @contest
-
-    @action_name = t("helpers.buttons.back")
-    @action_path = contest_path(@contest)
  end

  def new
    authorize @contest

-    @action_name = t("helpers.buttons.back")
-    @action_path = contest_path(@contest)
    @puzzle = Puzzle.new
  end

@@ -30,10 +25,8 @@ class PuzzlesController < ApplicationController
    @puzzle = Puzzle.new(puzzle_params)
    @puzzle.contest_id = @contest.id
    if @puzzle.save
-      redirect_to contest_path(@contest), notice: t("puzzles.new.notice")
+      redirect_to contest_puzzles_path(@contest), notice: t("puzzles.new.notice")
    else
-      @action_name = t("helpers.buttons.back")
-      @action_path = contest_path(@contest)
      render :new, status: :unprocessable_entity
    end
  end
@@ -42,10 +35,8 @@ class PuzzlesController < ApplicationController
    authorize @contest

    if @puzzle.update(puzzle_params)
-      redirect_to @contest, notice: t("puzzles.edit.notice")
+      redirect_to contest_puzzles_path(@contest), notice: t("puzzles.edit.notice")
    else
-      @action_name = t("helpers.buttons.back")
-      @action_path = contest_path(@contest)
      render :edit, status: :unprocessable_entity
    end
  end
@@ -54,7 +45,7 @@ class PuzzlesController < ApplicationController
    authorize @contest

    @puzzle.destroy
-    redirect_to contest_path(@contest), notice: t("puzzles.destroy.notice")
+    redirect_to contest_puzzles_path(@contest), notice: t("puzzles.destroy.notice")
  end

  private
@@ -68,6 +59,6 @@ class PuzzlesController < ApplicationController
  end

  def puzzle_params
-    params.expect(puzzle: [ :brand, :name, :image, :pieces ])
+    params.expect(puzzle: [ :brand, :name, :image, :pieces, :hidden ])
  end
 end
--- a/app/controllers/sessions_controller.rb
+++ b/app/controllers/sessions_controller.rb
@@ -4,6 +4,7 @@ class SessionsController < ApplicationController
  before_action :skip_authorization

  def new
+    @title = "Puzzle scoreboard"
  end

  def create
@@ -11,6 +12,7 @@ class SessionsController < ApplicationController
      start_new_session_for user
      redirect_to after_authentication_url, notice: t("sessions.new.notice")
    else
+      @title = "Puzzle scoreboard"
      redirect_to new_session_path, alert: "Try another email address or password."
    end
  end
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -1,20 +1,38 @@
 class UsersController < ApplicationController
+  include CompletionsConcern
+
  before_action :set_user, only: %i[ destroy edit show update ]

  def index
    authorize :user

+    @title = t("users.index.title")
    @users = User.all
  end

  def edit
    authorize @user
+
+    @title = t("users.edit.title")
  end

  def update
    authorize @user

-    if @user.update(user_params)
+    @user.password_change_attempt = false
+    if @user.update(user_general_params)
+      redirect_to contests_path, notice: t("users.edit.notice")
+    else
+      render :edit, status: :unprocessable_entity
+    end
+  end
+
+  def change_password
+    @user = User.find(params[:user_id])
+    authorize @user
+
+    @user.password_change_attempt = true
+    if @user.update(user_password_params)
      redirect_to contests_path, notice: t("users.edit.notice")
    else
      render :edit, status: :unprocessable_entity
@@ -48,6 +66,35 @@ class UsersController < ApplicationController
    authorize @user
  end

+  def update_contestants
+    authorize :user
+
+    total = 0
+    updated = 0
+    Contestant.all.each do |contestant|
+      if contestant.completions.length > 0
+        total += 1
+        contestant.completions.each do |completion|
+          completion.save
+        end
+        if extend_completions!(contestant)
+          updated += 1
+        end
+      end
+    end
+
+    redirect_to users_path, notice: "Updated contestants: #{updated}/#{total}"
+  end
+
+  def regenerate_qrcodes
+    authorize :user
+
+    Contestant.all.each do |contestant|
+      contestant.generate_qrcode
+      contestant.save
+    end
+  end
+
  private

  def set_user
@@ -57,4 +104,12 @@ class UsersController < ApplicationController
  def user_params
    params.expect(user: [ :username, :email_address, :lang, :password ])
  end
+
+  def user_general_params
+    params.expect(user: [ :username, :email_address, :lang ])
+  end
+
+  def user_password_params
+    params.expect(user: [ :password ])
+  end
 end
--- a/app/helpers/contests_helper.rb
+++ b/app/helpers/contests_helper.rb
@@ -7,14 +7,15 @@ module ContestsHelper
  end

  def display_time(time)
+    if time == nil
+      return ""
+    end
    h = time / 3600
    m = (time % 3600) / 60
    s = (time % 3600) % 60
    if h > 0
      return h.to_s + ":" + pad(m) + ":" + pad(s)
-    elsif m > 0
-      return m.to_s + ":" + pad(s)
    end
-    "0:" + pad(s)
+    m.to_s + ":" + pad(s)
  end
 end
--- a/app/lib/ranking.rb
+++ b/app/lib/ranking.rb
@@ -0,0 +1,3 @@
+module Ranking
+  AVAILABLE_RANKING_MODES = [ { id: "actual", name: I18n.t("lib.ranking.actual") }, { id: "theorical", name: I18n.t("lib.ranking.theorical") } ]
+end
--- a/app/models/completion.rb
+++ b/app/models/completion.rb
@@ -3,10 +3,12 @@
 # Table name: completions
 #
 #  id                      :integer          not null, primary key
+#  code                    :string
 #  completed               :boolean
 #  display_relative_time   :string
 #  display_time_from_start :string
 #  missing_pieces          :integer
+#  projected_time          :integer
 #  remaining_pieces        :integer
 #  time_seconds            :integer
 #  created_at              :datetime         not null
@@ -31,43 +33,45 @@
 #  puzzle_id      (puzzle_id => puzzles.id)
 #
 class Completion < ApplicationRecord
+  include ContestsHelper
+
  belongs_to :contest
  belongs_to :contestant
  belongs_to :puzzle
  belongs_to :message, optional: true

-  before_save :add_time_seconds, if: -> { display_time_from_start.present? }
-  before_save :nullify_display_time
-  before_save :clean_pieces
+  has_one :offline, dependent: :destroy

-  validates :display_time_from_start, presence: true, format: { with: /\A(((\d\d|\d):\d\d|\d\d|\d):\d\d|\d\d|\d)\z/ }, if: -> { completed }
+  before_save :clean_pieces
+  before_save :compute_projected_time
+
+  validates :display_time_from_start, presence: true, format: { with: /\A(((\d\d|\d):\d\d|\d\d|\d):\d\d|\d\d|\d)\z/ }, if: -> { completed || offline.present? }
  validates :remaining_pieces, presence: true, if: -> { !completed }
  validates :contestant_id, uniqueness: { scope: :puzzle }, if: -> { contest.puzzles.size == 1 }
  validates :puzzle_id, uniqueness: { scope: :contestant }, if: -> { contest.puzzles.size > 1 }
  validates :remaining_pieces, numericality: { only_integer: true }, if: -> { remaining_pieces.present? }
  validate :remaining_pieces_is_correct, if: -> { remaining_pieces.present? }
+  validate :contest_code_is_correct, if: -> { code.present? }

  def remaining_pieces_is_correct
    if self.remaining_pieces > self.puzzle.pieces
-      errors.add(:remaining_pieces, "Cannot be greater than the number of pieces for this puzzle")
-    end
-  end
-
-  def nullify_display_time
-    if self.remaining_pieces
-      self.display_time_from_start = nil
-      self.display_relative_time = nil
+      errors.add(:remaining_pieces, I18n.t("activerecord.errors.models.completion.attributes.remaining_pieces.too_large"))
    end
  end

  def add_time_seconds
-    arr = display_time_from_start.split(":")
-    if arr.size == 3
-      self.time_seconds = arr[0].to_i * 3600 + arr[1].to_i * 60 + arr[2].to_i
-    elsif arr.size == 2
-      self.time_seconds = arr[0].to_i * 60 + arr[1].to_i
-    elsif arr.size == 1
-      self.time_seconds = arr[0].to_i
+    if display_time_from_start.present?
+      arr = display_time_from_start.split(":")
+      if arr.size == 3
+        self.time_seconds = arr[0].to_i * 3600 + arr[1].to_i * 60 + arr[2].to_i
+      elsif arr.size == 2
+        self.time_seconds = arr[0].to_i * 60 + arr[1].to_i
+      elsif arr.size == 1
+        self.time_seconds = arr[0].to_i
+      end
+    else
+      self.time_seconds = self.contest.duration_seconds
+      self.display_time_from_start = display_time(self.time_seconds)
    end
  end

@@ -78,4 +82,22 @@ class Completion < ApplicationRecord
      self.missing_pieces = nil
    end
  end
+
+  def compute_projected_time
+    add_time_seconds
+    if self.completed
+      self.projected_time = self.time_seconds
+    else
+      assembled_time = self.time_seconds
+      assembled_pieces = self.puzzle.pieces - self.remaining_pieces
+      pieces_per_second = assembled_pieces.to_f / assembled_time.to_f
+      self.projected_time = assembled_time + Integer(self.remaining_pieces.to_f / pieces_per_second)
+    end
+  end
+
+  def contest_code_is_correct
+    if self.code != self.contest.code
+      errors.add(:code, I18n.t("activerecord.errors.models.completion.attributes.code.mismatch"))
+    end
+  end
 end
--- a/app/models/contest.rb
+++ b/app/models/contest.rb
@@ -4,11 +4,18 @@
 #
 #  id                 :integer          not null, primary key
 #  allow_registration :boolean          default(FALSE)
+#  code               :string
+#  duration           :string
+#  duration_seconds   :integer
 #  lang               :string           default("en")
 #  name               :string
 #  offline_form       :boolean          default(FALSE)
+#  pause_time         :datetime
 #  public             :boolean          default(FALSE)
+#  ranking_mode       :string
+#  show_stopwatch     :boolean
 #  slug               :string
+#  start_time         :datetime
 #  team               :boolean          default(FALSE)
 #  created_at         :datetime         not null
 #  updated_at         :datetime         not null
@@ -36,8 +43,19 @@ class Contest < ApplicationRecord

  friendly_id :name, use: :slugged

+  before_save :add_duration_seconds, if: -> { duration.present? }
+
  validates :name, presence: true
  validates :lang, inclusion: { in: Languages::AVAILABLE_LANGUAGES.map { |lang| lang[:id] } }
+  validates :ranking_mode, inclusion: { in: Ranking::AVAILABLE_RANKING_MODES.map { |lang| lang[:id] } }
+  validates :duration, presence: true, format: { with: /\A(\d\d:\d\d|\d:\d\d)\z/ }

  generates_token_for :token
+
+  def add_duration_seconds
+    arr = self.duration.split(":")
+    if arr.size == 2
+      self.duration_seconds = arr[0].to_i * 3600 + arr[1].to_i * 60
+    end
+  end
 end
--- a/app/models/contestant.rb
+++ b/app/models/contestant.rb
@@ -2,14 +2,16 @@
 #
 # Table name: contestants
 #
-#  id           :integer          not null, primary key
-#  display_time :string
-#  email        :string
-#  name         :string
-#  time_seconds :integer
-#  created_at   :datetime         not null
-#  updated_at   :datetime         not null
-#  contest_id   :integer          not null
+#  id             :integer          not null, primary key
+#  display_time   :string
+#  email          :string
+#  name           :string
+#  projected_time :string
+#  qrcode         :string
+#  time_seconds   :integer
+#  created_at     :datetime         not null
+#  updated_at     :datetime         not null
+#  contest_id     :integer          not null
 #
 # Indexes
 #
@@ -22,7 +24,7 @@
 class Contestant < ApplicationRecord
  belongs_to :contest
  has_many :completions, dependent: :destroy
-  has_one :offline
+  has_one :offline, dependent: :destroy
  has_and_belongs_to_many :categories

  before_validation :initialize_time_seconds_if_empty
@@ -38,6 +40,19 @@ class Contestant < ApplicationRecord
    end
  end

+  def generate_qrcode
+    host = Rails.application.config.action_controller.default_url_options[:host]
+    qrcode = RQRCode::QRCode.new("https://#{host}/public/p/#{self.id}")
+    self.qrcode = qrcode.as_svg(
+      color: "000",
+      shape_rendering: "crispEdges",
+      module_size: 3,
+      standalone: true,
+      use_path: true,
+      viewbox: true
+    )
+  end
+
  private

  def initialize_time_seconds_if_empty
--- a/app/models/offline.rb
+++ b/app/models/offline.rb
@@ -12,24 +12,28 @@
 #  submitted        :boolean
 #  created_at       :datetime         not null
 #  updated_at       :datetime         not null
+#  completion_id    :integer
 #  contest_id       :integer          not null
 #  contestant_id    :integer
 #
 # Indexes
 #
+#  index_offlines_on_completion_id  (completion_id)
 #  index_offlines_on_contest_id     (contest_id)
 #  index_offlines_on_contestant_id  (contestant_id)
 #
 # Foreign Keys
 #
+#  completion_id  (completion_id => completions.id)
 #  contest_id     (contest_id => contests.id)
 #  contestant_id  (contestant_id => contestants.id)
 #
 class Offline < ApplicationRecord
  belongs_to :contest
  belongs_to :contestant, optional: true
+  belongs_to :completion, optional: true

-  has_many_attached :images
+  has_many_attached :images, dependent: :destroy

  generates_token_for :token

--- a/app/models/puzzle.rb
+++ b/app/models/puzzle.rb
@@ -4,6 +4,7 @@
 #
 #  id         :integer          not null, primary key
 #  brand      :string
+#  hidden     :boolean
 #  name       :string
 #  pieces     :integer          not null
 #  created_at :datetime         not null
@@ -22,7 +23,7 @@ class Puzzle < ApplicationRecord
  belongs_to :contest

  has_many :completions, dependent: :destroy
-  has_one_attached :image
+  has_one_attached :image, dependent: :destroy

  validates :name, presence: true
  validates :pieces, presence: true
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -2,14 +2,15 @@
 #
 # Table name: users
 #
-#  id              :integer          not null, primary key
-#  admin           :boolean          default(FALSE), not null
-#  email_address   :string           not null
-#  lang            :string           default("en")
-#  password_digest :string           not null
-#  username        :string
-#  created_at      :datetime         not null
-#  updated_at      :datetime         not null
+#  id                      :integer          not null, primary key
+#  admin                   :boolean          default(FALSE), not null
+#  email_address           :string           not null
+#  lang                    :string           default("en")
+#  password_change_attempt :boolean
+#  password_digest         :string           not null
+#  username                :string
+#  created_at              :datetime         not null
+#  updated_at              :datetime         not null
 #
 # Indexes
 #
--- a/app/policies/contest_policy.rb
+++ b/app/policies/contest_policy.rb
@@ -35,6 +35,10 @@ class ContestPolicy < ApplicationPolicy
    owner_or_admin
  end

+  def generate_qrcodes?
+    owner_or_admin
+  end
+
  def settings_general_edit?
    edit?
  end
@@ -43,11 +47,27 @@ class ContestPolicy < ApplicationPolicy
    edit?
  end

-  def settings_offline_edit?
+  def settings_public_edit?
    edit?
  end

-  def settings_offline_update?
+  def settings_public_update?
+    edit?
+  end
+
+  def settings_onsite_edit?
+    edit?
+  end
+
+  def settings_onsite_update?
+    edit?
+  end
+
+  def settings_online_edit?
+    edit?
+  end
+
+  def settings_online_update?
    edit?
  end

@@ -55,6 +75,26 @@ class ContestPolicy < ApplicationPolicy
    edit?
  end

+  def stopwatch?
+    edit?
+  end
+
+  def stopwatch_continue?
+    edit?
+  end
+
+  def stopwatch_pause?
+    edit?
+  end
+
+  def stopwatch_reset?
+    edit?
+  end
+
+  def stopwatch_start?
+    edit?
+  end
+
  def finalize_import?
    owner_or_admin
  end
@@ -75,6 +115,10 @@ class ContestPolicy < ApplicationPolicy
    owner_or_admin
  end

+  def generate_qrcodes_pdf?
+    owner_or_admin
+  end
+
  def upload_csv?
    owner_or_admin
  end
--- a/app/policies/user_policy.rb
+++ b/app/policies/user_policy.rb
@@ -20,10 +20,22 @@ class UserPolicy < ApplicationPolicy
  end

  def update?
-    user.admin? || user.id == record.id
+    edit?
+  end
+
+  def change_password?
+    edit?
  end

  def destroy?
    user.admin?
  end
+
+  def update_contestants?
+    user.admin?
+  end
+
+  def regenerate_qrcodes?
+    user.admin?
+  end
 end
--- a/app/views/application/_contest_nav.html.slim
+++ b/app/views/application/_contest_nav.html.slim
@@ -1,35 +1,3 @@
-javascript:
-  async function copyExtensionUrlToClipboard() {
-    await navigator.clipboard.writeText("#{message_url}?token=#{@contest.generate_token_for(:token)}");
-    alert("#{t("contests.show.url_copied")}");
-  }
-
-.row.mb-4
-  .col
-    - if @contest.public
-      a.btn.btn-success href="/public/#{@contest.slug}"
-        = t("contests.show.open_public_scoreboard")
-    - else
-      a.btn.btn-success.disabled
-        = t("contests.show.public_scoreboard_disabled")
-    - if @contest.offline_form && @contest.puzzles.length < 2
-      a.ms-3.btn.btn-success href="/public/#{@contest.slug}/offline"
-        = t("contests.show.open_offline_form")
-    - else
-      a.ms-3.btn.btn-success.disabled
-        = t("contests.show.offline_form_disabled")
-    button.btn.btn-success.ms-3 onclick="copyExtensionUrlToClipboard()"
-      css:
-        button > svg {
-          margin-right: 2px;
-          margin-top: -3px;
-        }
-      <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-clipboard" viewBox="0 0 16 16">
-        <path d="M4 1.5H3a2 2 0 0 0-2 2V14a2 2 0 0 0 2 2h10a2 2 0 0 0 2-2V3.5a2 2 0 0 0-2-2h-1v1h1a1 1 0 0 1 1 1V14a1 1 0 0 1-1 1H3a1 1 0 0 1-1-1V3.5a1 1 0 0 1 1-1h1z"/>
-        <path d="M9.5 1a.5.5 0 0 1 .5.5v1a.5.5 0 0 1-.5.5h-3a.5.5 0 0 1-.5-.5v-1a.5.5 0 0 1 .5-.5zm-3-1A1.5 1.5 0 0 0 5 1.5v1A1.5 1.5 0 0 0 6.5 4h3A1.5 1.5 0 0 0 11 2.5v-1A1.5 1.5 0 0 0 9.5 0z"/>
-      </svg>
-      =< t("contests.show.copy_extension_url")
-
 .row
  .col
    ul.nav.nav-tabs.mb-4
@@ -39,6 +7,12 @@ javascript:
      li.nav-item
        a.nav-link class=active_page(contest_puzzles_path(@contest)) href=contest_puzzles_path(@contest)
          = t("puzzles.plural").capitalize
+      li.nav-item
+        a.nav-link class=active_page("/contests/#{@contest.id}/stopwatch") href="/contests/#{@contest.id}/stopwatch"
+          = t("contests.nav.stopwatch").capitalize
      li.nav-item
        a.nav-link class=active_page(contest_messages_path(@contest)) href=contest_messages_path(@contest)
          = t("messages.plural").capitalize
+      li.nav-item
+        a.nav-link class=active_page("/contests/#{@contest.id}/settings") href="/contests/#{@contest.id}/settings/general"
+          = t("contests.nav.settings")
--- a/app/views/application/_params_nav.html.slim
+++ b/app/views/application/_params_nav.html.slim
@@ -0,0 +1,18 @@
+.row
+  .col
+    ul.nav.nav-tabs.mb-4
+      li.nav-item
+        a.nav-link class=active_page("/contests/#{@contest.id}/settings/general") href="/contests/#{@contest.id}/settings/general"
+          = t("contests.nav.general")
+      li.nav-item
+        a.nav-link class=active_page("/contests/#{@contest.id}/settings/public") href="/contests/#{@contest.id}/settings/public"
+          = t("contests.nav.public")
+      li.nav-item
+        a.nav-link class=active_page("/contests/#{@contest.id}/settings/onsite") href="/contests/#{@contest.id}/settings/onsite"
+          = t("contests.nav.onsite")
+      li.nav-item
+        a.nav-link class=active_page("/contests/#{@contest.id}/settings/online") href="/contests/#{@contest.id}/settings/online"
+          = t("contests.nav.online")
+      li.nav-item
+        a.nav-link class=active_page("/contests/#{@contest.id}/settings/categories") href="/contests/#{@contest.id}/settings/categories"
+          = t("contests.nav.categories")
--- a/app/views/completions/_form.html.slim
+++ b/app/views/completions/_form.html.slim
@@ -1,86 +1,103 @@
-= form_with model: completion, url: url, method: method do |form|
-  - if @message
-    = form.hidden_field :message_id, value: @message.id
+- if @public && @puzzles.length == @contestant.completions.length
+  h4
+    = t("completions.form.validate_name", name: @contestant.name)
+  .mt-3.alert.alert-warning
+    = t("completions.form.all_finished", name: @contestant.name)
+- else
+  = form_with model: completion, url: url, method: method do |form|
+    - if @message
+      = form.hidden_field :message_id, value: @message.id
+      .row.mb-3
+        .col
+          h4 = t("messages.singular").capitalize
+          .alert.alert-secondary
+            b
+              = @message.author
+            br
+            = @message.text
+    .row.mb-2
+      .col
+        h4
+          - if @public
+            = t("completions.form.validate_name", name: @contestant.name)
+          - else
+            = t("completions.singular").capitalize
+    - if @contestants.present?
+      .row.mb-3
+        .col
+          .form-floating
+            = form.select :contestant_id, @contestants.map { |contestant| [contestant.form_name, contestant.id] }, {}, class: "form-select"
+            = form.label :contestant_id
+    - if @closest_contestant
+      javascript:
+        el = document.querySelector('select[name="completion[contestant_id]"]');
+        el.value = "#{@closest_contestant.id}"
+    - if @puzzles.size > 1
+      .row.mb-3
+        .col
+          .form-floating
+            = form.select :puzzle_id, @puzzles.map { |puzzle| ["#{puzzle.name} - #{puzzle.brand}", puzzle.id] }, {}, class: "form-select"
+            = form.label :puzzle_id
+    - elsif @puzzles.size == 1
+      = form.hidden_field :puzzle_id, value: @puzzles.first.id
+    - else
+      = form.hidden_field :puzzle_id
    .row.mb-3
      .col
-        h4 = t("messages.singular").capitalize
-        .alert.alert-secondary
-          b
-            = @message.author
-          br
-          = @message.text
-  .row
-    .col
-      h4 = t("completions.singular").capitalize
-  .row.mb-3
-    .col
-      .form-floating
-        = form.select :contestant_id, @contestants.map { |contestant| [contestant.form_name, contestant.id] }, {}, class: "form-select"
-        = form.label :contestant_id
-  - if @closest_contestant
-    javascript:
-      el = document.querySelector('select[name="completion[contestant_id]"]');
-      el.value = "#{@closest_contestant.id}"
-  - if @puzzles.size > 1
+        .form-check.form-switch
+          = form.check_box :completed, class: "form-check-input"
+          = form.label :completed
+        javascript:
+          completedEl = document.getElementById('completion_completed');
+          completedEl.addEventListener('change', (e) => {
+            const timeEl = document.getElementById('time');
+            const missingPiecesEl = document.getElementById('missing_pieces');
+            const remainingPiecesEl = document.getElementById('remaining_pieces');
+            if (e.target.checked) {
+              timeEl.value = '#{@completion.display_time_from_start}';
+              missingPiecesEl.style.display = 'block';
+              remainingPiecesEl.style.display = 'none';
+            } else {
+              timeEl.value = '#{display_time(@contest.duration_seconds)}';
+              missingPiecesEl.style.display = 'none';
+              remainingPiecesEl.style.display = 'block';
+            }
+          })
    .row.mb-3
      .col
        .form-floating
-          = form.select :puzzle_id, @puzzles.map { |puzzle| ["#{puzzle.name} - #{puzzle.brand}", puzzle.id] }, {}, class: "form-select"
-          = form.label :puzzle_id
-  - elsif @puzzles.size == 1
-    = form.hidden_field :puzzle_id, value: @puzzles.first.id
-  - else
-    = form.hidden_field :puzzle_id
-  .row.mb-3
-    .col
-      .form-check.form-switch
-        = form.check_box :completed, class: "form-check-input"
-        = form.label :completed
-      javascript:
-        completedEl = document.getElementById('completion_completed');
-        completedEl.addEventListener('change', (e) => {
-          const timeEl = document.getElementById('time');
-          const missingPiecesEl = document.getElementById('missing_pieces');
-          const remainingPiecesEl = document.getElementById('remaining_pieces');
-          if (e.target.checked) {
-            timeEl.style.display = 'block';
-            missingPiecesEl.style.display = 'block';
-            remainingPiecesEl.style.display = 'none';
-          } else {
-            timeEl.style.display = 'none';
-            missingPiecesEl.style.display = 'none';
-            remainingPiecesEl.style.display = 'block';
-          }
-        })
-  .row.mb-3 id="time"
-    .col
-      .form-floating
-        = form.text_field :display_time_from_start, autocomplete: "off", class: "form-control"
-        = form.label :display_time_from_start, class: "required"
-  .row.mb-3 id="missing_pieces"
-    .col
-      .form-floating
-        = form.text_field :missing_pieces, autocomplete: "off", class: "form-control"
-        = form.label :missing_pieces
-  .row.mb-3 id="remaining_pieces" style="display: none;"
-    .col
-      .form-floating
-        = form.text_field :remaining_pieces, autocomplete: "off", class: "form-control"
-        = form.label :remaining_pieces
-  javascript:
-    completedEl = document.getElementById('completion_completed');
-    timeEl = document.getElementById('time');
-    missingPiecesEl = document.getElementById('missing_pieces');
-    remainingPiecesEl = document.getElementById('remaining_pieces');
-    if (completedEl.checked) {
-      timeEl.style.display = 'block';
-      missingPiecesEl.style.display = 'block';
-      remainingPiecesEl.style.display = 'none';
-    } else {
-      timeEl.style.display = 'none';
-      missingPiecesEl.style.display = 'none';
-      remainingPiecesEl.style.display = 'block';
-    }
-  .row
-    .col
-      = form.submit submit_text, class: "btn btn-primary"
+          = form.text_field :display_time_from_start, autocomplete: "off", class: "form-control", id: "time"
+          = form.label :display_time_from_start, class: "required"
+        .form-text
+          = t("activerecord.attributes.completion.display_time_from_start_description")
+    .row.mb-3 id="missing_pieces"
+      .col
+        .form-floating
+          = form.text_field :missing_pieces, autocomplete: "off", class: "form-control"
+          = form.label :missing_pieces
+    .row.mb-3 id="remaining_pieces" style="display: none;"
+      .col
+        .form-floating
+          = form.text_field :remaining_pieces, autocomplete: "off", class: "form-control"
+          = form.label :remaining_pieces
+    javascript:
+      completedEl = document.getElementById('completion_completed');
+      missingPiecesEl = document.getElementById('missing_pieces');
+      remainingPiecesEl = document.getElementById('remaining_pieces');
+      if (completedEl.checked) {
+        missingPiecesEl.style.display = 'block';
+        remainingPiecesEl.style.display = 'none';
+      } else {
+        missingPiecesEl.style.display = 'none';
+        remainingPiecesEl.style.display = 'block';
+      }
+    - if @public
+      .row.mb-3
+        .col
+          .form-floating
+            = form.text_field :code, autocomplete: "off", class: "form-control"
+            = form.label :code
+              = t("completions.form.code")
+    .row
+      .col
+        = form.submit submit_text, class: "btn btn-primary"
--- a/app/views/contestants/_form.html.slim
+++ b/app/views/contestants/_form.html.slim
@@ -1,7 +1,3 @@
-.row
-  .col
-    h3 Informations
-
 = form_with model: contestant, url: url, method: method do |form|
  .row.mb-3
    .col
@@ -15,7 +11,7 @@
        = form.label :email
    .form-text
      = t("activerecord.attributes.contestant.email_description")
-  - if @contest.categories
+  - if @contest.categories && method == :patch
    .row.mt-4
      .col
        - @contest.categories.each do |category|
@@ -33,53 +29,72 @@
  .row.mt-5
    .col
      h3 Completions
-  .row
-    .col
-      .alert.alert-info
-        = t("contestants.edit.completions_note")
-  table.table.table-striped.table-hover
-    thead
-      tr
-        - if @contest.puzzles.size > 1
+  - if @contest.puzzles.length == 0
+    .row
+      .col
+        .alert.alert-warning
+          = t("contestants.edit.no_puzzles_note")
+  - else
+    .row
+      .col
+        .alert.alert-info
+          = t("contestants.edit.completions_note")
+    table.table.table-striped.table-hover
+      thead
+        tr
          th scope="col"
-            = t("activerecord.attributes.completion.display_time_from_start")
-          th scope="col"
-            = t("activerecord.attributes.completion.display_relative_time")
-        - else
-          th scope="col"
-            = t("activerecord.attributes.completion.display_time")
-        th scope="col"
-          = t("activerecord.attributes.completion.missing_pieces")
-        th scope="col"
-          = t("activerecord.attributes.completion.remaining_pieces")
-        th scope="col"
-          = t("activerecord.attributes.completion.puzzle")
-    tbody
-      - @completions.each do |completion|
-        tr scope="row"
-          td
-            = completion.display_time_from_start
+            = t("activerecord.attributes.completion.completed")
          - if @contest.puzzles.size > 1
+            th scope="col"
+              = t("activerecord.attributes.completion.display_time_from_start")
+            th scope="col"
+              = t("activerecord.attributes.completion.display_relative_time")
+          - else
+            th scope="col"
+              = t("activerecord.attributes.completion.display_time")
+            th scope="col"
+              = t("activerecord.attributes.completion.projected_time")
+          th scope="col"
+            = t("activerecord.attributes.completion.missing_pieces")
+          th scope="col"
+            = t("activerecord.attributes.completion.remaining_pieces")
+          th scope="col"
+            = t("activerecord.attributes.completion.puzzle")
+      tbody
+        - @completions.each do |completion|
+          tr scope="row"
            td
-              = completion.display_relative_time
-          td
-            = completion.missing_pieces
-          td
-            = completion.remaining_pieces
-          td
-            - if !completion.puzzle.brand.blank?
-              | #{completion.puzzle.name} - #{completion.puzzle.brand}
+              - if completion.completed
+                <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-check-square" viewBox="0 0 16 16">
+                  <path d="M14 1a1 1 0 0 1 1 1v12a1 1 0 0 1-1 1H2a1 1 0 0 1-1-1V2a1 1 0 0 1 1-1zM2 0a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V2a2 2 0 0 0-2-2z"/>
+                  <path d="M10.97 4.97a.75.75 0 0 1 1.071 1.05l-3.992 4.99a.75.75 0 0 1-1.08.02L4.324 8.384a.75.75 0 1 1 1.06-1.06l2.094 2.093 3.473-4.425z"/>
+                </svg>
+            td
+              = display_time(completion.time_seconds)
+            - if @contest.puzzles.size > 1
+              td
+                = completion.display_relative_time
            - else
-              | #{completion.puzzle.name}
-          td
-            a.btn.btn-sm.btn-secondary.me-2 href=edit_contest_completion_path(@contest, completion, contestant_id: contestant.id)
-              = t("helpers.buttons.edit")
-            = link_to t("helpers.buttons.delete"), contest_completion_path(contest, completion, contestant_id: contestant.id),
-                data: { turbo_method: :delete }, class: "btn btn-sm btn-secondary"
-  .row
-    .col
-      a.btn.btn-primary href=new_contest_completion_path(@contest, contestant_id: contestant.id)
-        = t("helpers.buttons.add")
+              td
+                = display_time(completion.projected_time)
+            td
+              = completion.missing_pieces
+            td
+              = completion.remaining_pieces
+            td
+              - if !completion.puzzle.brand.blank?
+                | #{completion.puzzle.name} - #{completion.puzzle.brand}
+              - else
+                | #{completion.puzzle.name}
+            td
+              a.btn.btn-sm.btn-secondary.me-2 href=edit_contest_completion_path(@contest, completion, contestant_id: contestant.id)
+                = t("helpers.buttons.edit")
+              = link_to t("helpers.buttons.delete"), contest_completion_path(contest, completion, contestant_id: contestant.id),
+                  data: { turbo_method: :delete }, class: "btn btn-sm btn-secondary"
+    .row
+      .col
+        a.btn.btn-primary href=new_contest_completion_path(@contest, contestant_id: contestant.id)
+          = t("helpers.buttons.add")

 - if contestant.offline.present?
  .row.mt-5.mb-2
--- a/app/views/contestants/generate_qrcodes.html.slim
+++ b/app/views/contestants/generate_qrcodes.html.slim
@@ -0,0 +1,27 @@
+- if @contest.code.present?
+  .mb-4 style="height: calc(100vh - 280px)"
+    .row
+      .col
+        .alert.alert-info
+          = t("contestants.generate_qrcodes.note")
+
+    a.mt-3.mb-3.btn.btn-primary href="#{contest_generate_qrcodes_pdf_path(@contest)}" target="_blank" style="margin-top: -3px"
+      = t("helpers.buttons.open_raw")
+  
+    .col.d-flex.flex-column style="height: calc(100% - 200px)"
+      .d-flex.flex-column style="overflow-y: auto;"
+        - for row in 0..((@contestants.length - 1) / 4)
+          .mt-4.d-flex.flex-row
+            - for col in 0..3
+              - if row * 4 + col < @contestants.length
+                .d-flex.flex-column.ms-5 style="align-items: center"
+                  - if @contestants[row * 4 + col].qrcode.present?
+                    .mt-1 style="width: 128px; height: 120px;"
+                      = @contestants[row * 4 + col].qrcode.html_safe
+                  .name.text-center.mt-3 style="font-size: 0.7rem; max-width: 128px; height: 30px;"
+                    = @contestants[row * 4 + col].name
+- else
+  .row
+    .col
+      .alert.alert-warning
+        = t("contestants.generate_qrcodes.no_code_note")
--- a/app/views/contestants/generate_qrcodes_pdf.html.slim
+++ b/app/views/contestants/generate_qrcodes_pdf.html.slim
@@ -0,0 +1,13 @@
+h1.text-center.mt-4.mb-4 = @contest.name
+
+.d-flex.flex-column.align-items-center
+  - for row in 0..((@contestants.length - 1) / 4)
+    .mt-4.d-flex.flex-row
+      - for col in 0..3
+        - if row * 4 + col < @contestants.length
+          .d-flex.flex-column.ms-4.me-4 style="align-items: center"
+            - if @contestants[row * 4 + col].qrcode.present?
+              .mt-1 style="width: 128px; height: 120px;"
+                = @contestants[row * 4 + col].qrcode.html_safe
+            .name.text-center.mt-3 style="font-size: 0.7rem; max-width: 128px; height: 30px;"
+              = @contestants[row * 4 + col].name
--- a/app/views/contestants/index.html.slim
+++ b/app/views/contestants/index.html.slim
@@ -1,5 +1,3 @@
-= render "contest_nav"
-
 .row.mb-4 style="height: calc(100vh - 280px)"
  .col.d-flex.flex-column style="height: 100%"
    .row.mb-4
@@ -8,6 +6,8 @@
          | + #{t("helpers.buttons.add")}
        a.ms-2.btn.btn.btn-primary href=contest_import_path(@contest) style="margin-top: -3px"
          | #{t("helpers.buttons.import")}
+        a.ms-2.btn.btn.btn-primary href=contest_generate_qrcodes_path(@contest) style="margin-top: -3px"
+          | #{t("helpers.buttons.generate_qrcodes")}
        a.ms-2.btn.btn.btn-primary href="/contests/#{@contest.id}/export.csv" style="margin-top: -3px"
          | #{t("helpers.buttons.export")}

@@ -30,7 +30,7 @@
              if (option.value == selectedCategory) option.selected = true;
            });
            categorySelectEl.addEventListener('change', (e) => {
-              window.location.replace(`#{contest_path(@contest)}?category=${e.target.value}`);
+              window.location.replace(`#{contest_contestants_path(@contest)}?category=${e.target.value}`);
            })
    .d-flex.flex-column style="overflow-y: auto"
      table.table.table-striped.table-hover
@@ -61,4 +61,4 @@
                = contestant.completions.size > 0 && contestant.completions[-1].remaining_pieces ? "#{contestant.completions.map{|completion| completion.puzzle.pieces}.sum - contestant.completions[-1].remaining_pieces}p" : contestant.display_time
              td
                a.btn.btn-sm.btn-secondary href=edit_contest_contestant_path(@contest, contestant)
-                  = t("helpers.buttons.open")
+                  = t("helpers.buttons.details")
--- a/app/views/contestants/new.html.slim
+++ b/app/views/contestants/new.html.slim
@@ -1 +1,2 @@
+h5.mb-3 = t("contestants.new.title")
 = render "form", contest: @contest, contestant: @contestant, submit_text: t("helpers.buttons.add"), method: :post, url: "/contests/#{@contest.id}/contestants"
--- a/app/views/contestants/public_completion_updated.html.slim
+++ b/app/views/contestants/public_completion_updated.html.slim
@@ -0,0 +1,2 @@
+h4
+  = "Puzzle validé pour #{@contestant.name} !"
--- a/app/views/contests/_scoreboard_desktop_marathon.html.slim
+++ b/app/views/contests/_scoreboard_desktop_marathon.html.slim
@@ -0,0 +1,50 @@
+.d-flex.flex-column style="height: calc(100vh - 180px)"
+
+  = render "selectors"
+
+  .d-flex.flex-column style="overflow-y: auto"
+    .table-responsive-md
+      table.table.table-striped.table-hover
+        thead
+          tr
+            th
+              - if @contest.show_stopwatch
+                .stopwatch id="display-time" style="font-size: 60px; font-weight: 400;"
+                = render "stopwatch_js"
+            th
+            th
+            th
+            - @puzzles.each do |puzzle|
+              th scope="col"
+                = image_tag(puzzle.image, class: "img-fluid", style: "max-height: 64px;") if puzzle.image.attached?
+          tr
+            th scope="col"
+              = t("helpers.rank")
+            th scope="col"
+              = t("activerecord.attributes.contestant.name")
+            th scope="col"
+              = t("activerecord.attributes.contestant.completions")
+            th scope="col"
+              = t("activerecord.attributes.contestant.display_time")
+            - @puzzles.each do |puzzle|
+              th scope="col"
+                = puzzle.name
+        tbody
+          - @contestants.each_with_index do |contestant, index|
+            tr scope="row"
+              td
+                = index + 1
+              td
+                = contestant.name
+              td
+                = contestant.completions.where(remaining_pieces: nil).length
+              td
+                = contestant.completions.size > 0 && contestant.completions[-1].remaining_pieces ? "#{contestant.completions.map{|completion| completion.puzzle.pieces}.sum - contestant.completions[-1].remaining_pieces}p" : contestant.display_time
+              - @puzzles.each do |puzzle|
+                td
+                  - contestant.completions.each do |completion|
+                    - if completion.puzzle == puzzle
+                      - if completion.completed
+                        = completion.display_relative_time
+                      - elsif completion.remaining_pieces.present?
+                        = "#{puzzle.pieces - completion.remaining_pieces}p"
--- a/app/views/contests/_scoreboard_desktop_single.html.slim
+++ b/app/views/contests/_scoreboard_desktop_single.html.slim
@@ -0,0 +1,43 @@
+.row
+  .mt-3.col-6.d-flex.flex-column style="height: calc(100vh - 310px)"
+    .d-flex.flex-column style="overflow-y: auto"
+      table.table.table-striped.table-hover
+        thead
+          tr
+            th
+              = t("helpers.rank")
+            th
+              = t("activerecord.attributes.contestant.name")
+            - if @contest.puzzles.size > 1
+              th
+                = t("activerecord.attributes.contestant.completions")
+            th style="width: 170px"
+              = t("activerecord.attributes.contestant.display_time")
+        tbody
+          - @contestants.each_with_index do |contestant, index|
+            tr scope="row"
+              td
+                = index + 1
+                - if contestant.offline.present?
+                  = @space
+                  | (hors-ligne)
+              td
+                = contestant.name
+              - if @contest.puzzles.size > 1
+                td
+                  = contestant.completions.where(remaining_pieces: nil).length
+              td style="position: relative"
+                - if index > 0 && contestant.time_seconds > 0 && contestant.completions.where(completed: true).size > 0
+                  .relative-time style="position:absolute; margin: 1px 0 0 112px; font-size: 14px; color: grey"
+                    |> +
+                    = display_time(contestant.time_seconds - @contestants[index - 1].time_seconds)
+                = contestant.display_time
+  .col-1
+  .col-5
+    - @puzzles.each do |puzzle|
+      = image_tag(puzzle.image, class: "img-fluid ms-3 me-3") if puzzle.image.attached?
+      .mt-3.fs-4 style="margin-left: 15px"
+        = puzzle.name
+      .fs-6 style="margin-left: 15px"
+        b
+          = "#{puzzle.brand} - #{puzzle.pieces}p"
--- a/app/views/contests/_scoreboard_mobile_single.html.slim
+++ b/app/views/contests/_scoreboard_mobile_single.html.slim
@@ -0,0 +1,46 @@
+css:
+  .container { margin-top: 2rem !important; }
+
+.row
+  - if @puzzles.size > 0
+    .d-flex.flex-column.justify-content-center.mb-2
+      = image_tag(@puzzles[0].image, style: "max-height: 200px; object-fit: contain") if @puzzles[0].image.attached?
+      .mt-2.fs-6 style="text-align: center"
+        => "#{@puzzles[0].name} -"
+        = "#{@puzzles[0].brand} #{@puzzles[0].pieces}p"
+
+.row
+  .mt-3.d-flex.flex-column
+    .d-flex.flex-column style="overflow-y: auto"
+      table.table.table-striped.table-hover
+        thead
+          tr
+            th
+              = t("helpers.rank")
+            th
+              = t("activerecord.attributes.contestant.name")
+            - if @contest.puzzles.size > 1
+              th
+                = t("activerecord.attributes.contestant.completions")
+            th style="width: 170px"
+              = t("activerecord.attributes.contestant.display_time")
+        tbody
+          - @contestants.each_with_index do |contestant, index|
+            tr scope="row"
+              td
+                = index + 1
+                - if contestant.offline.present?
+                  = @space
+                  | (hors-ligne)
+              td
+                = contestant.name
+              - if @contest.puzzles.size > 1
+                td
+                  = contestant.completions.where(remaining_pieces: nil).length
+              td style="position: relative"
+                - if index > 0 && contestant.time_seconds > 0 && contestant.completions.where(completed: true).size > 0
+                  .relative-time style="position:absolute; margin: 1px 0 0 112px; font-size: 14px; color: grey"
+                    |> +
+                    = display_time(contestant.time_seconds - @contestants[index - 1].time_seconds)
+                = contestant.display_time
+  .col-1
--- a/app/views/contests/_selectors.html.slim
+++ b/app/views/contests/_selectors.html.slim
@@ -1,15 +1,3 @@
-javascript:
-  function updateParams() {
-    categorySelectEl = document.getElementById('categories');
-    offlineInputEl = document.getElementById('offline');
-    if (categorySelectEl && !offlineInputEl) {
-      window.location.replace(`/public/#{@contest.slug}?category=${categorySelectEl.value}`);
-    } else if (!categorySelectEl) {
-      window.location.replace(`/public/#{@contest.slug}?hide_offline=${offlineInputEl.checked}`);
-    } else {
-      window.location.replace(`/public/#{@contest.slug}?category=${categorySelectEl.value}&hide_offline=${offlineInputEl.checked}`);
-    }
-  }
 - if @contest.categories.size > 0
  .row
    .col
@@ -17,29 +5,29 @@ javascript:
        option value=-1
          = t("contests.scoreboard.all_categories")
        - @contest.categories.each do |category|
-          option value=category.id
-            = category.name
+          - if @category == category.id.to_s
+            option value=category.id selected=true
+              = category.name
+          - else
+            option value=category.id
+              = category.name
      javascript:
-        categorySelectEl = document.getElementById('categories');
-        urlParams = new URLSearchParams(window.location.search);
-        selectedCategory = urlParams.get('category');
-        Array.from(categorySelectEl.children).forEach((option) => {
-          if (option.value == selectedCategory) option.selected = true;
-        });
-        categorySelectEl.addEventListener('change', (e) => {
-          updateParams();
+        document.getElementById('categories').addEventListener('change', (e) => {
+          addParam('category', e.target.value);
        })
 - if @contest.offline_form && @contest.puzzles.length < 2
  .row
    .col
-      input type="checkbox" id="offline" style="padding: 5px;"
+      - if @hide_offline
+        input type="checkbox" id="offline" style="padding: 5px;" checked=true
+      - else
+        input type="checkbox" id="offline" style="padding: 5px;"
      label for="offline"
        .ms-2
          = t("contests.scoreboard.hide_offline")
      javascript:
-        offlineInputEl = document.getElementById('offline');
-        urlParams = new URLSearchParams(window.location.search);
-        offlineInputEl.checked = urlParams.get('hide_offline') == "true";
-        offlineInputEl.addEventListener('change', (e) => {
-          updateParams();
+        document.getElementById('offline').addEventListener('change', (e) => {
+          console.log('changed');
+          if (e.target.checked) addParam('hide_offline', e.target.checked);
+          else removeParam('hide_offline');
        })
--- a/app/views/contests/_settings_nav.html.slim
+++ b/app/views/contests/_settings_nav.html.slim
@@ -1,12 +0,0 @@
-.row
-  .col
-    ul.nav.nav-tabs.mb-4
-      li.nav-item
-        a.nav-link class=active_page("/contests/#{@contest.id}/settings/general") href="/contests/#{@contest.id}/settings/general"
-          = t("contests.form.general")
-      li.nav-item
-        a.nav-link class=active_page("/contests/#{@contest.id}/settings/offline") href="/contests/#{@contest.id}/settings/offline"
-          = t("contests.form.offline")
-      li.nav-item
-        a.nav-link class=active_page("/contests/#{@contest.id}/settings/categories") href="/contests/#{@contest.id}/settings/categories"
-          = t("contests.form.categories")
--- a/app/views/contests/_stopwatch_js.html.slim
+++ b/app/views/contests/_stopwatch_js.html.slim
@@ -0,0 +1,22 @@
+javascript:
+  startTime = #{@contest.start_time.present? ? @contest.start_time.to_i : "null"};
+  pauseTime = #{@contest.pause_time.present? ? @contest.pause_time.to_i : "null"};
+  function updateTime() {
+    const displayTimeEl = document.getElementById('display-time');
+    if (displayTimeEl) {
+      if (startTime) {
+        let s = Math.floor((Date.now() - 1000 * startTime) / 1000);
+        if (pauseTime) s = Math.floor(pauseTime - startTime);
+        let ss = s % 60;
+        let mm = Math.floor(s / 60) % 60;
+        let hh = Math.floor(s / 3600);
+        displayTimeEl.innerHTML = `${hh < 10 ? `0${hh}` : hh}:${mm < 10 ? `0${mm}` : mm}:${ss < 10 ? `0${ss}` : ss}`;
+        setTimeout(updateTime, 1000);
+      } else {
+        displayTimeEl.innerHTML = '00:00:00';
+      }
+    } else {
+      setTimeout(updateTime, 20);
+    }
+  }
+  setTimeout(updateTime, 1);
--- a/app/views/contests/new.html.slim
+++ b/app/views/contests/new.html.slim
@@ -4,6 +4,12 @@
      .form-floating
        = form.text_field :name, autocomplete: "off", class: "form-control"
        = form.label :name, class: "required"
+  .row.mb-3
+    .col
+      .form-floating
+        = form.text_field :duration, autocomplete: "off", class: "form-control"
+        = form.label :duration, class: "required"
+        .form-text = t("activerecord.attributes.contest.duration_description")
  .row.mt-4
    .col
      = form.submit t("helpers.buttons.create"), class: "btn btn-primary"
--- a/app/views/contests/offline_edit.html.slim
+++ b/app/views/contests/offline_edit.html.slim
@@ -21,14 +21,14 @@
    .col
      .form-text.mb-1
        = t("offlines.form.end_image_select")
-      = form.file_field :end_image, accept: "image/*", class: "form-control"
+      = form.file_field :end_image, accept: "image/*", class: "form-control", capture: "user"
      .form-text.error-message style="display: none;" id="image-error-message"
        = t("puzzles.form.file_too_big")
      javascript:
        function setMaxUploadSize() {
          const el = document.querySelector('input[type="file"]');
          el.onchange = function() {
-            if(this.files[0].size > 5.3 * 1024 * 1024) {
+            if(this.files[0].size > 9 * 1024 * 1024) {
              document.getElementById('image-error-message').style.display = 'block';
              this.value = "";
            } else {
--- a/app/views/contests/offline_new.html.slim
+++ b/app/views/contests/offline_new.html.slim
@@ -8,14 +8,14 @@
    .col
      .form-text.mb-1
        = t("offlines.form.start_image_select")
-      = form.file_field :images, accept: "image/*", class: "form-control"
+      = form.file_field :images, accept: "image/*", class: "form-control", capture: "user"
      .form-text.error-message style="display: none;" id="image-error-message"
        = t("puzzles.form.file_too_big")
      javascript:
        function setMaxUploadSize() {
          const el = document.querySelector('input[type="file"]');
          el.onchange = function() {
-            if(this.files[0].size > 5.3 * 1024 * 1024) {
+            if(this.files[0].size > 9 * 1024 * 1024) {
              document.getElementById('image-error-message').style.display = 'block';
              this.value = "";
            } else {
--- a/app/views/contests/scoreboard.html.slim
+++ b/app/views/contests/scoreboard.html.slim
@@ -1,97 +1,25 @@
 css:
  @media (max-width: 800px) {
-    a.btn { display: none; }
-    .col-5 { display: none; }
-    .col-6 { width: 100% !important; display: block !important; }
-    .small-screen-image { display: block !important; }
-    .container { margin-top: 2rem !important; }
+    .mobile-single { display: block !important; }
+    .desktop-single { display: none; }
+    #scoreboard-switches { display: none; }
+    .stopwatch { font-size: 50px !important; }
  }

- if @contest.puzzles.size <= 1
-  .row.small-screen-image style="display: none"
-    - @contest.puzzles.each do |puzzle|
-      .d-flex.flex-column.justify-content-center.mb-5
-        = image_tag(puzzle.image, style: "max-height: 200px; object-fit: contain") if puzzle.image.attached?
-        .mt-2.fs-6 style="text-align: center"
-          => "#{puzzle.name} -"
-          = "#{puzzle.brand} #{puzzle.pieces}p"
-
+- if @contest.puzzles.size < 2
  = render "selectors"

-  .row
-    .mt-3.col-6.d-flex.flex-column style="height: calc(100vh - 250px)"
-      .d-flex.flex-column style="overflow-y: auto"
-        table.table.table-striped.table-hover
-          thead
-            tr
-              th
-                = t("helpers.rank")
-              th
-                = t("activerecord.attributes.contestant.name")
-              - if @contest.puzzles.size > 1
-                th
-                  = t("activerecord.attributes.contestant.completions")
-              th style="width: 170px"
-                = t("activerecord.attributes.contestant.display_time")
-          tbody
-            - @contestants.each_with_index do |contestant, index|
-              tr scope="row"
-                td
-                  = index + 1
-                  - if contestant.offline.present?
-                    = @space
-                    | (hors-ligne)
-                td
-                  = contestant.name
-                - if @contest.puzzles.size > 1
-                  td
-                    = contestant.completions.where(remaining_pieces: nil).length
-                td style="position: relative"
-                  - if index > 0 && contestant.time_seconds > 0 && contestant.completions.where(remaining_pieces: nil).size > 0
-                    .relative-time style="position:absolute; margin: 1px 0 0 64px; font-size: 14px; color: grey"
-                      |> +
-                      = display_time(contestant.time_seconds - @contestants[index - 1].time_seconds)
-                  = contestant.completions.size > 0 && contestant.completions[-1].remaining_pieces ? "#{contestant.completions.map{|completion| completion.puzzle.pieces}.sum - contestant.completions[-1].remaining_pieces}p" : contestant.display_time
-    .col-1
-    .col-5
-      - @contest.puzzles.each do |puzzle|
-        = image_tag(puzzle.image, class: "img-fluid ms-3 me-3") if puzzle.image.attached?
-        .mt-3.fs-4 style="margin-left: 15px"
-          = puzzle.name
-        .fs-6 style="margin-left: 15px"
-          b
-            = "#{puzzle.brand} - #{puzzle.pieces}p"
+  turbo-frame id="scoreboard"
+    - if @contest.show_stopwatch
+      .stopwatch id="display-time" style="font-size: 60px; font-weight: 400; margin-bottom: 0; text-align: center;"
+      = render "stopwatch_js"
+    a.btn.btn-primary href="" id="refresh-button" style="display: none;"
+    .mobile-single style="display: none;"
+      = render "scoreboard_mobile_single"
+    .desktop-single
+      = render "scoreboard_desktop_single"
  
 - else
-  .d-flex.flex-column style="height: calc(100vh - 180px)"
-    .d-flex.flex-row.justify-content-center.mb-5
-      - @contest.puzzles.each do |puzzle|
-        = image_tag(puzzle.image, class: "img-fluid ms-3 me-3", style: "max-height: 220px") if puzzle.image.attached?
-
-    = render "selectors"
-
-    .d-flex.flex-column style="overflow-y: auto"
-      table.table.table-striped.table-hover
-        thead
-          tr
-            th scope="col"
-              = t("helpers.rank")
-            th scope="col"
-              = t("activerecord.attributes.contestant.name")
-            - if @contest.puzzles.size > 1
-              th scope="col"
-                = t("activerecord.attributes.contestant.completions")
-            th scope="col"
-              = t("activerecord.attributes.contestant.display_time")
-        tbody
-          - @contestants.each_with_index do |contestant, index|
-            tr scope="row"
-              td
-                = index + 1
-              td
-                = contestant.name
-              - if @contest.puzzles.size > 1
-                td
-                  = contestant.completions.where(remaining_pieces: nil).length
-              td
-                = contestant.completions.size > 0 && contestant.completions[-1].remaining_pieces ? "#{contestant.completions.map{|completion| completion.puzzle.pieces}.sum - contestant.completions[-1].remaining_pieces}p" : contestant.display_time
+  turbo-frame id="scoreboard"
+    a.btn.btn-primary href="" id="refresh-button" style="display: none;"
+    = render "scoreboard_desktop_marathon"
--- a/app/views/contests/settings_categories_edit.html.slim
+++ b/app/views/contests/settings_categories_edit.html.slim
@@ -1,4 +1,9 @@
-= render "settings_nav"
+= render "params_nav"
+
+.row
+  .col
+    .alert.alert-primary role="alert"
+      = t("contests.nav.categories_description")

 = form_with model: Category, url: "/contests/#{@contest.id}/categories" do |form|
  - if @contest.categories.size > 0
@@ -26,6 +31,6 @@
        = form.text_field :name, autocomplete: "off", value: nil, class: "form-control"
        = form.label :name, class: "required"
          = t("activerecord.attributes.category.new")
-  .row.mt-3
+  .row.mt-4
    .col
      = form.submit t("helpers.buttons.add"), class: "btn btn-primary"
--- a/app/views/contests/settings_general_edit.html.slim
+++ b/app/views/contests/settings_general_edit.html.slim
@@ -1,4 +1,4 @@
-= render "settings_nav"
+= render "params_nav"

 = form_with model: @contest, url: "/contests/#{@contest.id}/settings/general" do |form|
  .row.mt-2.mb-3
@@ -6,17 +6,24 @@
      .form-floating
        = form.text_field :name, autocomplete: "off", class: "form-control"
        = form.label :name, class: "required"
+  .row.mb-3
+    .col
+      .form-floating
+        = form.text_field :duration, autocomplete: "off", class: "form-control"
+        = form.label :duration, class: "required"
+        .form-text = t("activerecord.attributes.contest.duration_description")
  .row.mb-3
    .col
      .form-floating
        = form.select :lang, Languages::AVAILABLE_LANGUAGES.map { |lang| [ lang[:name], lang[:id] ] }, {}, class: "form-select"
        = form.label :lang
-  .row.mt-4.mb-3
+  .row.mt-2.mb-3
    .col
-      .form-check.form-switch
-        = form.check_box :public, class: "form-check-input"
-        = form.label :public
-  .row.mb-3
+      .form-floating
+        = form.text_field :code, autocomplete: "off", class: "form-control"
+        = form.label :code, class: "required"
+        .form-text = t("activerecord.attributes.contest.code_description")
+  .row.mb-3 style="display: none"
    .col
      .form-check.form-switch
        = form.check_box :team, class: "form-check-input"
--- a/app/views/contests/settings_offline_edit.html.slim
+++ b/app/views/contests/settings_offline_edit.html.slim
@@ -1,27 +0,0 @@
-= render "settings_nav"
-
- if @contest.puzzles.length > 1
-  .row
-    .col
-      .alert.alert-warning
-        = t("contests.form.offline_single_puzzle_warning")
-
- if @contest.puzzles.length <= 1
-  = form_with model: @contest, url: "/contests/#{@contest.id}/settings/offline" do |form|
-    .row.mt-2.mb-3
-      .col
-        - if @contest.puzzles.length <= 1
-          .form-check.form-switch
-            = form.check_box :offline_form, class: "form-check-input"
-            = form.label :offline_form
-            .form-text = t("activerecord.attributes.contest.offline_form_warning")
-            .form-text = t("activerecord.attributes.contest.offline_form_description")
-        - else
-          .form-check.form-switch
-            = form.check_box :offline_form_fake, class: "form-check-input", disabled: true
-            = form.label :offline_form
-            .form-text = t("activerecord.attributes.contest.offline_form_warning")
-            .form-text = t("activerecord.attributes.contest.offline_form_description")
-    .row.mt-4
-      .col
-        = form.submit t("helpers.buttons.update"), class: "btn btn-primary"
--- a/app/views/contests/settings_online_edit.html.slim
+++ b/app/views/contests/settings_online_edit.html.slim
@@ -0,0 +1,46 @@
+= render "params_nav"
+
+javascript:
+  async function copyExtensionUrlToClipboard() {
+    await navigator.clipboard.writeText("#{message_url}?token=#{@contest.generate_token_for(:token)}");
+    alert("#{t("contests.show.url_copied")}");
+  }
+
+.row.mb-4.mt-2
+  .col
+    - if @contest.offline_form && @contest.puzzles.length < 2
+      a.btn.btn-success href="/public/#{@contest.slug}/offline"
+        = t("contests.show.open_offline_form")
+    - else
+      a.btn.btn-success.disabled
+        = t("contests.show.offline_form_disabled")
+    button.btn.btn-success.ms-3 onclick="copyExtensionUrlToClipboard()"
+      css:
+        button > svg {
+          margin-right: 2px;
+          margin-top: -3px;
+        }
+      <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-clipboard" viewBox="0 0 16 16">
+        <path d="M4 1.5H3a2 2 0 0 0-2 2V14a2 2 0 0 0 2 2h10a2 2 0 0 0 2-2V3.5a2 2 0 0 0-2-2h-1v1h1a1 1 0 0 1 1 1V14a1 1 0 0 1-1 1H3a1 1 0 0 1-1-1V3.5a1 1 0 0 1 1-1h1z"/>
+        <path d="M9.5 1a.5.5 0 0 1 .5.5v1a.5.5 0 0 1-.5.5h-3a.5.5 0 0 1-.5-.5v-1a.5.5 0 0 1 .5-.5zm-3-1A1.5 1.5 0 0 0 5 1.5v1A1.5 1.5 0 0 0 6.5 4h3A1.5 1.5 0 0 0 11 2.5v-1A1.5 1.5 0 0 0 9.5 0z"/>
+      </svg>
+      =< t("contests.show.copy_extension_url")
+
+= form_with model: @contest, url: "/contests/#{@contest.id}/settings/online" do |form|
+  .row.mt-2.mb-3
+    .col
+      - if @contest.puzzles.length <= 1
+        .form-check.form-switch
+          = form.check_box :offline_form, class: "form-check-input"
+          = form.label :offline_form
+          .form-text = t("activerecord.attributes.contest.offline_form_warning")
+          .form-text = t("activerecord.attributes.contest.offline_form_description")
+      - else
+        .form-check.form-switch
+          = form.check_box :offline_form_fake, class: "form-check-input", disabled: true
+          = form.label :offline_form
+          .form-text = t("activerecord.attributes.contest.offline_form_warning")
+          .form-text = t("activerecord.attributes.contest.offline_form_description")
+  .row.mt-4
+    .col
+      = form.submit t("helpers.buttons.update"), class: "btn btn-primary"
--- a/app/views/contests/settings_onsite_edit.html.slim
+++ b/app/views/contests/settings_onsite_edit.html.slim
@@ -0,0 +1,12 @@
+= render "params_nav"
+
+= form_with model: @contest, url: "/contests/#{@contest.id}/settings/general" do |form|
+  .row.mt-2.mb-3
+    .col
+      .form-floating
+        = form.text_field :code, autocomplete: "off", class: "form-control"
+        = form.label :code, class: "required"
+        .form-text = t("activerecord.attributes.contest.code_description")
+  .row.mt-4
+    .col
+      = form.submit t("helpers.buttons.update"), class: "btn btn-primary"
--- a/app/views/contests/settings_public_edit.html.slim
+++ b/app/views/contests/settings_public_edit.html.slim
@@ -0,0 +1,22 @@
+= render "params_nav"
+
+= form_with model: @contest, url: "/contests/#{@contest.id}/settings/public" do |form|
+  .row.mt-2
+    .col
+      .form-check.form-switch
+        = form.check_box :public, class: "form-check-input"
+        = form.label :public
+  .row.mt-2
+    .col
+      .form-check.form-switch
+        = form.check_box :show_stopwatch, class: "form-check-input"
+        = form.label :show_stopwatch
+  .row.mt-3
+    .col
+      .form-floating
+        = form.select :ranking_mode, Ranking::AVAILABLE_RANKING_MODES.map { |mode| [ mode[:name], mode[:id] ] }, {}, class: "form-select"
+        = form.label :ranking_mode
+
+  .row.mt-4
+    .col
+      = form.submit t("helpers.buttons.update"), class: "btn btn-primary"
--- a/app/views/contests/stopwatch.html.slim
+++ b/app/views/contests/stopwatch.html.slim
@@ -0,0 +1,16 @@
+.row
+  .col
+    .alert.alert-primary
+      = t("contests.stopwatch.info")
+h1.mt-3 id="display-time" style="font-size: 80px;"
+= render "stopwatch_js"
+.row.mt-3
+  .col.d-flex
+    - if !@contest.start_time.present?
+      = button_to t("helpers.buttons.stopwatch_start"), "/contests/#{@contest.id}/stopwatch_start", method: :post, class: "btn btn-primary"
+    - if @contest.pause_time.present?
+      = button_to t("helpers.buttons.stopwatch_continue"), "/contests/#{@contest.id}/stopwatch_continue", method: :post, class: "btn btn-primary"
+    - if @contest.start_time.present? && !@contest.pause_time.present?
+      = button_to t("helpers.buttons.stopwatch_pause"), "/contests/#{@contest.id}/stopwatch_pause", method: :post, class: "btn btn-primary"
+    - if @contest.start_time.present?
+      = button_to t("helpers.buttons.stopwatch_reset"), "/contests/#{@contest.id}/stopwatch_reset", method: :post, class: "ms-3 btn btn-warning"
--- a/app/views/layouts/authenticated.html.slim
+++ b/app/views/layouts/authenticated.html.slim
@@ -5,7 +5,7 @@ html
  body
    .container.mt-5
      - if @current_user
-        .float-end style="margin-top: -8px;"
+        .float-end style="margin-top: -5px;"
          nav.navbar.bg-body-primary
            - if @current_user.admin
              a.navbar-brand href=users_path class="btn btn-light" style="margin-right: 0"
@@ -44,9 +44,65 @@ html
              = msg

      h1.mb-4
-        = @title
-        - if @action_path
-          a.ms-4.btn.btn-primary href=@action_path style="margin-top: -6px"
-            = @action_name
+        - if @contest && @contest.id.present?
+          - if active_page("/public") == "active" && @action_path
+            = @contest.name
+            .float-end style="margin-top: -5px;" id="scoreboard-switches"
+              .d-inline-flex.align-items-center
+                .ms-4.form-check.form-switch style="font-size: 16px; font-weight: 300;"
+                  input.form-check-input type="checkbox" id="refresh-checkbox"
+                label.ms-1 style="font-size: 16px; font-weight: 300;"
+                  = t("contests.scoreboard.auto_refresh")
+              .js data-turbo="false"
+                javascript:
+                  function refresh() {
+                    if (document.getElementById('refresh-checkbox').checked) {
+                      addParam('autorefresh', 1);
+                      setTimeout(refresh, 30000);
+                    }
+                  }
+                  function addParam(key, value) {
+                    const urlParams = new URLSearchParams(window.location.search);
+                    urlParams.delete(key);
+                    urlParams.append(key, value);
+                    const refreshBtn = document.getElementById('refresh-button')
+                    refreshBtn.href = `/public/#{@contest.friendly_id}?${urlParams.toString()}`;
+                    refreshBtn.click();
+                  }
+                  function removeParam(key) {
+                    const urlParams = new URLSearchParams(window.location.search);
+                    urlParams.delete(key);
+                    const refreshBtn = document.getElementById('refresh-button')
+                    refreshBtn.href = `/public/#{@contest.friendly_id}?${urlParams.toString()}`;
+                    refreshBtn.click();
+                  }
+                  function autoRefresh() {
+                    if (document.getElementById('refresh-checkbox').checked) setTimeout(refresh, 30000);
+                    document.getElementById('refresh-checkbox').addEventListener('change', (e) => {
+                      if (e.target.checked) refresh();
+                      else removeParam('autorefresh');
+                    });
+                  }
+                  async function startAutoRefresh(count) {
+                    if (count == 0) return;
+                    if (document.getElementById('refresh-button') && document.getElementById('refresh-checkbox')) autoRefresh();
+                    else setTimeout(() => startAutoRefresh(count - 1), 10);
+                  }
+                  startAutoRefresh(200);
+          - elsif active_page("/contests") == "active"
+            = @contest.name
+            - if @contest.public
+              a.ms-4.btn.btn-success href="/public/#{@contest.slug}" style="margin-top: -6px;"
+                = t("contests.show.open_public_scoreboard")
+            - else
+              a.ms-4.btn.btn-success.disabled style="margin-top: -6px;"
+                = t("contests.show.public_scoreboard_disabled")
+          - else
+            = @contest.name
+        - else
+          = @title
+
+      - if @contest && active_page("/contests") == "active" && !@nonav
+        = render "contest_nav"

      = yield
--- a/app/views/layouts/blank.html.slim
+++ b/app/views/layouts/blank.html.slim
@@ -0,0 +1,6 @@
+doctype html
+html
+  = render "layouts/header"
+
+  body
+    = yield
--- a/app/views/messages/index.html.slim
+++ b/app/views/messages/index.html.slim
@@ -1,10 +1,10 @@
-= render "contest_nav"
-
 .row.mb-4 style="height: calc(100vh - 280px)"
  .col.d-flex.flex-column style="height: 100%"

    .row.mb-4
      .col
+        .alert.alert-primary
+          = t("messages.index.info")
        - if @messages.length == 0
          .alert.alert-warning
            = t("messages.index.no_messages")
--- a/app/views/puzzles/_form.html.slim
+++ b/app/views/puzzles/_form.html.slim
@@ -2,9 +2,10 @@
  .row.mb-3
    .col.alert.alert-warning
      = t("puzzles.form.fake_data_recommendation")
-  .row.mb-3
-    .col
-      = image_tag(puzzle.image, class: "img-fluid", style: "max-height: 256px") if puzzle.image.attached?
+  - if puzzle.id && puzzle.image.attached?
+    .row.mb-3
+      .col
+        = image_tag(puzzle.image, class: "img-fluid", style: "max-height: 256px")
  .row.mb-3
    .col
      .form-floating
@@ -20,6 +21,13 @@
      .form-floating
        = form.number_field :pieces, autocomplete: "off", class: "form-control"
        = form.label :pieces, class: "required"
+  .row.mb-3
+    .col
+      .form-check.form-switch
+        = form.check_box :hidden, class: "form-check-input"
+        = form.label :hidden
+      .form-text
+        = t("activerecord.attributes.puzzle.hidden_description")
  .row.mb-3
    .col
      .form-text.mb-1
@@ -31,7 +39,7 @@
        function setMaxUploadSize() {
          const el = document.querySelector('input[type="file"]');
          el.onchange = function() {
-            if(this.files[0].size > 5.3 * 1024 * 1024) {
+            if(this.files[0].size > 9 * 1024 * 1024) {
              document.getElementById('image-error-message').style.display = 'block';
              this.value = "";
            } else {
@@ -41,7 +49,7 @@
        }

        setMaxUploadSize();
-  .row.mt-4
+  .row.mt-4.mb-5
    .col
      - if method == :patch
        = link_to t("helpers.buttons.delete"), contest_puzzle_path(contest, puzzle), data: { turbo_method: :delete }, class: "btn btn-danger me-2"
--- a/app/views/puzzles/index.html.slim
+++ b/app/views/puzzles/index.html.slim
@@ -1,5 +1,3 @@
-= render "contest_nav"
-
 .row.mb-4 style="height: calc(100vh - 280px)"
  .col.d-flex.flex-column style="height: 100%"

@@ -7,28 +5,38 @@
      .col
        a.btn.btn-primary href=new_contest_puzzle_path(@contest) style="margin-top: -3px"
          | + #{t("helpers.buttons.add")}
-    table.table.table-striped.table-hover
-      thead
-        tr
-          th
-            = t("activerecord.attributes.puzzle.image")
-          th
-            = t("activerecord.attributes.puzzle.name")
-          th
-            = t("activerecord.attributes.puzzle.brand")
-          th
-            = t("activerecord.attributes.puzzle.pieces")
-      tbody
-        - @puzzles.each do |puzzle|
-          tr.align-middle scope="row"
-            td
-              = image_tag(puzzle.image, class: "img-fluid", style: "max-height: 128px;") if puzzle.image.attached?
-            td
-              = puzzle.name
-            td
-              = puzzle.brand
-            td
-              = puzzle.pieces
-            td
-              a.btn.btn-sm.btn-secondary href=edit_contest_puzzle_path(@contest, puzzle)
-                = t("helpers.buttons.edit")
+
+    .d-flex.flex-column style="overflow-y: auto"
+      table.table.table-striped.table-hover
+        thead
+          tr
+            th
+              = t("activerecord.attributes.puzzle.image")
+            th
+              = t("activerecord.attributes.puzzle.name")
+            th
+              = t("activerecord.attributes.puzzle.brand")
+            th
+              = t("activerecord.attributes.puzzle.pieces")
+            th
+              = t("activerecord.attributes.puzzle.hidden")
+        tbody
+          - @puzzles.each do |puzzle|
+            tr.align-middle scope="row"
+              td
+                = image_tag(puzzle.image, class: "img-fluid", style: "max-height: 128px;") if puzzle.image.attached?
+              td
+                = puzzle.name
+              td
+                = puzzle.brand
+              td
+                = puzzle.pieces
+              td
+                - if puzzle.hidden?
+                  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-check-square" viewBox="0 0 16 16">
+                    <path d="M14 1a1 1 0 0 1 1 1v12a1 1 0 0 1-1 1H2a1 1 0 0 1-1-1V2a1 1 0 0 1 1-1zM2 0a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V2a2 2 0 0 0-2-2z"/>
+                    <path d="M10.97 4.97a.75.75 0 0 1 1.071 1.05l-3.992 4.99a.75.75 0 0 1-1.08.02L4.324 8.384a.75.75 0 1 1 1.06-1.06l2.094 2.093 3.473-4.425z"/>
+                  </svg>
+              td
+                a.btn.btn-sm.btn-secondary href=edit_contest_puzzle_path(@contest, puzzle)
+                  = t("helpers.buttons.edit")
--- a/app/views/users/_form.html.slim
+++ b/app/views/users/_form.html.slim
@@ -30,13 +30,13 @@
          = form.label :password, class: "required"
  = form.submit t("helpers.buttons.save"), class: "btn btn-primary"

-  - if method == :patch
-    h4.mt-5 = t("users.edit.password_section")
+- if method == :patch
+  h4.mt-5 = t("users.edit.password_section")

-    = form_with model: user, method: method do |form|
-      .row.mb-3
-        .col
-          .form-floating
-            = form.password_field :password, autocomplete: "off", class: "form-control"
-            = form.label :password, class: "required"
-      = form.submit t("helpers.buttons.save"), class: "btn btn-primary"
+  = form_with model: user, url: user_password_path(user) do |form|
+    .row.mb-3
+      .col
+        .form-floating
+          = form.password_field :password, autocomplete: "off", class: "form-control"
+          = form.label :password, class: "required"
+    = form.submit t("helpers.buttons.save_password"), class: "btn btn-primary"
--- a/app/views/users/index.html.slim
+++ b/app/views/users/index.html.slim
@@ -1,27 +1,39 @@
-table.table.table-striped.table-hover
-  thead
-    tr
-      th scope="col"
-        | Id
-      th scope="col"
-        | Name
-      th scope="col"
-        | Admin?
-      th scope="col"
-        | # contests
-  tbody
-    - @users.each do |user|
-      tr scope="row"
-        td
-          = user.id
-        td
-          = user.username
-        td
-          = user.admin ? "Yes" : "No"
-        td
-          = user.contests.length
-        
 .row
-  .col
+  .d-flex.flex-row.justify-content-start.align-items-center
    a.btn.btn-primary href=new_user_path
      | New user
+    = button_to "Update contestants", "/update_contestants", method: :post, class: "ms-3 btn btn-success"
+    = button_to "Regenerate QR codes", "/regenerate_qrcodes", method: :post, class: "ms-3 btn btn-success"
+
+- @users.each do |user|
+  - if user.admin
+    h3.mt-5 = "#{user.username} (admin)"
+  - else
+    h3.mt-5 = user.username
+
+  table.table.table-striped.table-hover
+    thead
+      tr
+        th scope="col"
+          | ID
+        th scope="col"
+          | Friendly ID
+        th scope="col"
+          | # Puzzles
+        th scope="col"
+          | # Participants
+    tbody
+      - user.contests.each do |contest|
+        tr scope="row"
+          td
+            = contest.id
+          td
+            = contest.friendly_id
+          td
+            = contest.puzzles.length
+          td
+            = contest.contestants.length
+          td
+            a.btn.btn-sm.btn-secondary href=contest_path(contest)
+              = t("helpers.buttons.open")
+        
--- a/config/brakeman.ignore
+++ b/config/brakeman.ignore
@@ -0,0 +1,73 @@
+{
+  "ignored_warnings": [
+    {
+      "warning_type": "Cross-Site Scripting",
+      "warning_code": 2,
+      "fingerprint": "00462a5825f8e46fe0b5167b1c822296cb5d8443117790a04966ba059a260f2b",
+      "check_name": "CrossSiteScripting",
+      "message": "Unescaped model attribute",
+      "file": "app/views/contestants/generate_qrcodes.html.slim",
+      "line": 20,
+      "link": "https://brakemanscanner.org/docs/warning_types/cross_site_scripting",
+      "code": "Contest.find(params[:contest_id]).contestants.sort_by do\n contestant.name\n end[((row * 4) + col)].qrcode",
+      "render_path": [
+        {
+          "type": "controller",
+          "class": "ContestantsController",
+          "method": "generate_qrcodes",
+          "line": 126,
+          "file": "app/controllers/contestants_controller.rb",
+          "rendered": {
+            "name": "contestants/generate_qrcodes",
+            "file": "app/views/contestants/generate_qrcodes.html.slim"
+          }
+        }
+      ],
+      "location": {
+        "type": "template",
+        "template": "contestants/generate_qrcodes"
+      },
+      "user_input": "Contest.find(params[:contest_id]).contestants",
+      "confidence": "Weak",
+      "cwe_id": [
+        79
+      ],
+      "note": "SVG HTML code is generated by the app"
+    },
+    {
+      "warning_type": "Cross-Site Scripting",
+      "warning_code": 2,
+      "fingerprint": "d17a497a9b261007930226914a64e99d6f6237c99cc1c33c88745e1341ac4fb7",
+      "check_name": "CrossSiteScripting",
+      "message": "Unescaped model attribute",
+      "file": "app/views/contestants/generate_qrcodes_pdf.html.slim",
+      "line": 11,
+      "link": "https://brakemanscanner.org/docs/warning_types/cross_site_scripting",
+      "code": "Contest.find(params[:contest_id]).contestants.sort_by do\n contestant.name\n end[((row * 4) + col)].qrcode",
+      "render_path": [
+        {
+          "type": "controller",
+          "class": "ContestantsController",
+          "method": "generate_qrcodes_pdf",
+          "line": 135,
+          "file": "app/controllers/contestants_controller.rb",
+          "rendered": {
+            "name": "contestants/generate_qrcodes_pdf",
+            "file": "app/views/contestants/generate_qrcodes_pdf.html.slim"
+          }
+        }
+      ],
+      "location": {
+        "type": "template",
+        "template": "contestants/generate_qrcodes_pdf"
+      },
+      "user_input": "Contest.find(params[:contest_id]).contestants",
+      "confidence": "Weak",
+      "cwe_id": [
+        79
+      ],
+      "note": "SVG HTML code is generated by the app"
+    }
+  ],
+  "brakeman_version": "7.1.1"
+}
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -40,6 +40,8 @@ Rails.application.configure do
  # Set localhost to be used by links generated in mailer templates.
  config.action_mailer.default_url_options = { host: "localhost", port: 3000 }

+  config.action_controller.default_url_options = { host: "192.168.122.105", port: 3000 }
+
  # Print deprecation notices to the Rails logger.
  config.active_support.deprecation = :log

--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -60,6 +60,8 @@ Rails.application.configure do
  # Set host to be used by links generated in mailer templates.
  config.action_mailer.default_url_options = { host: "example.com" }

+  config.action_controller.default_url_options = { host: "puzzle-scoreboard.org" }
+
  # Specify outgoing SMTP server. Remember to add smtp/* credentials via rails credentials:edit.
  # config.action_mailer.smtp_settings = {
  #   user_name: Rails.application.credentials.dig(:smtp, :user_name),
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -47,17 +47,25 @@ en:
        contestant: Participant
        display_time: Time
        display_time_from_start: Time since start
+        display_time_from_start_description: Format mm:ss or h:mm:ss
        display_relative_time: Time for this puzzle
        puzzle: Puzzle
        missing_pieces: Missing pieces
+        projected_time: Projected time
        remaining_pieces: Remaining pieces (not completed puzzle)
      contest:
+        code: Code for onsite judges
+        code_description: Optional. Used for organizers on onsite contests, when printing QR codes on tables
+        duration: Duration
+        duration_description: Format h:mm or hh:mm
        lang: Language for the public scoreboard
        name: Name
        offline_form: Enable the offline participation form
        offline_form_description: Offline participants will have to fill the form by providing an image taken of the puzzle before starting solving it, and validate their finish time with an upload of an image of the completed puzzle
        offline_form_warning: Only for single-puzzle contests
        public: Enable the public scoreboard
+        ranking_mode: Ranking mode (public scoreboard & CSV exports)
+        show_stopwatch: Display the stopwatch
        team: Team contest
        team_description: For UI display purposes mainly
        allow_registration: Allow registration
@@ -84,6 +92,8 @@ en:
        remaining_pieces: Remaining pieces
      puzzle:
        brand: Brand
+        hidden: hidden
+        hidden_description: When hidden, a puzzle doesn't appear in the public scoreboard, nor public forms
        image: Image
        name: Name
        pieces: Number of pieces
@@ -99,6 +109,8 @@ en:
      models:
        completion:
          attributes:
+            code:
+              mismatch: "Wrong code"
            contestant_id:
              taken: "This contestant has already completed the puzzle"
            display_time_from_start:
@@ -110,8 +122,12 @@ en:
              blank: This is required
              not_an_integer: This is not an integer
              not_a_number: This is not an integer
+              too_large: "Cannot be greater than the number of pieces for this puzzle"
        contest:
          attributes:
+            duration:
+              blank: Must be filled
+              invalid: Invalid duration
            name:
              blank: The contest name cannot be empty
        contestant:
@@ -151,6 +167,9 @@ en:
              blank: Your email cannot be empty
            username:
              blank: Your username cannot be empty
+              taken: This username is already taken
+            password:
+              blank: Your password cannot be empty
  categories:
    destroy:
      notice: Category deleted
@@ -163,6 +182,10 @@ en:
    edit:
      notice: Completion updated
      title: Edit completion
+    form:
+      all_finished: "All puzzles were already completed by %{name}"
+      code: Judges code
+      validate_name: "Validate a puzzle for %{name}"
    new:
      notice: Completion added
      title: New completion
@@ -174,19 +197,26 @@ en:
      notice: Contest updated
      title: Edit contest settings
    form:
-      categories: Participant categories
-      general: General parameters
-      offline: Offline participation
      offline_single_puzzle_warning: This is not available for contests with more than one puzzle
    index:
      title: Welcome %{username}!
      manage_contests: Manage my contests
      new_contest: Create a new contest
+    nav:
+      categories: Participant categories
+      categories_description: Once you add categories, you will be able to assign them to participants on their profiles, and a filter for categories will be available on the public scoreboard
+      general: General
+      online: Online contests
+      onsite: Onsite contests
+      public: Public scoreboard
+      settings: Settings
+      stopwatch: Stopwatch
    new:
      notice: Contest added
      title: New jigsaw puzzle contest
    scoreboard:
      all_categories: All categories
+      auto_refresh: Auto refresh (30s)
      hide_offline: Hide offline participants
      refresh: Activate auto-refresh (every 5s)
      title: "%{name}"
@@ -200,6 +230,8 @@ en:
      offline_form_disabled: The offline form is disabled
      public_scoreboard_disabled: The public scoreboard is disabled
      url_copied: URL copied to the clipboard
+    stopwatch:
+      info: This stopwatch is used for display in the public scoreboard, when allowed in the settings
  contestants:
    convert_csv:
      title: Import participants
@@ -210,12 +242,16 @@ en:
      end_image: End image
      notice: Participant updated
      not_finished: Not yet finished
+      no_puzzles_note: No puzzles were added yet
      offline_participation: Offline participation
      start_image: Start image
      title: Participant
      team_title: Teams
    finalize_import:
      title: Import participants
+    generate_qrcodes:
+      note: These QR codes allow for judges to fill in results without the need of the organizer's account, for example by printing them and placing them on participant tables
+      no_code_note: Those can't be used until a code for judges has been set up in the general settings
    import:
      email_column: Participant email
      import_column: Import?
@@ -244,23 +280,36 @@ en:
      back_to_contestant: "⬅ Back to the participant"
      confirm: "Confirm"
      create: "Create"
+      details: Open
      delete: "Delete"
      edit: "Edit"
      end: Click here to submit your completion
      export: Export
+      generate_qrcodes: Generate QR codes
      import: CSV Import
      open: Open
+      open_raw: Open in a raw page
      refresh: Refresh
      settings: Settings
      sign_in: Sign in
      save: Save
+      save_password: Save password
      start: Click here to start your participation
+      stopwatch_continue: Continue
+      stopwatch_pause: Pause
+      stopwatch_reset: Reset
+      stopwatch_start: Start
      update: Save modifications
    field: Field
    none: No field selected
    rank: Rank
+  lib:
+    ranking:
+      actual: First by number of pieces assembled, then by time (recommended if unsure)
+      theorical: By time only (projected time calculated with the ppm count)
  messages:
    index:
+      info: This section is only used for contests that rely on the connection with Google Meet
      no_messages: No messages received yet
    convert:
      title: New completion
@@ -291,7 +340,7 @@ en:
      title: Edit contest puzzle
    form:
      fake_data_recommendation: It is recommended to first enter a fake name and image, and to use the real ones only once the contest starts.
-      file_too_big: File too big! Maximum allowed size is 5M
+      file_too_big: File too big! Maximum allowed size is 8M
    image_select: Select an image
    new:
      notice: Puzzle added
@@ -307,7 +356,7 @@ en:
      notice: Settings updated
      title: "My settings"
      general_section: "General settings"
-      password_section: "Change password"
+      password_section: "Password"
    index:
      title: "All users"
    new:
--- a/config/locales/fr.yml
+++ b/config/locales/fr.yml
@@ -18,17 +18,25 @@ fr:
        contestant_id: Participant.e
        display_time: Temps
        display_time_from_start: Temps depuis le début
+        display_time_from_start_description: Format mm:ss ou h:mm:ss
        display_relative_time: Temps pour ce puzzle
        puzzle: Puzzle
        missing_pieces: Pièces manquantes
+        projected_time: Temps projeté
        remaining_pieces: Pièces restantes (puzzle non fini)
      contest:
+        code: Code pour les organisateur.ice.s
+        code_description: Optionnel. Utilisé pour les organisateur.ices dans les concours en présentiel lorsque sont imprimés des QR codes à placer sur les tables
+        duration: Durée
+        duration_description: Format h:mm ou hh:mm
        lang: Langue pour le classement public
        name: Nom
        offline_form: Activer le formulaire de participation hors-ligne
        offline_form_description: Les participant.e.s hors-ligne pourront participer en prenant une photo du puzzle avant de le commencer, puis valider leur temps avec une photo du puzzle une fois complété
        offline_form_warning: Activable uniquement pour les concours avec un seul puzzle
        public: Activer le classement public
+        ranking_mode: Mode de classement (classement public & exports CSV)
+        show_stopwatch: Afficher le chronomètre
        team: Concours par équipes
        team_description: Principalement pour des raisons d'affichage
        allow_registration: Autoriser l'inscription via l'interface
@@ -55,6 +63,8 @@ fr:
        remaining_pieces: Pièces restantes
      puzzle:
        brand: Marque
+        hidden: Non découvert
+        hidden_description: Un puzzle non découvert n'apparaît pas dans le classement public, ni dans les formulaires publics
        image: Image
        name: Nom
        pieces: Nombre de pièces
@@ -70,6 +80,8 @@ fr:
      models:
        completion:
          attributes:
+            code:
+              mismatch: "Code non valide"
            contestant_id:
              taken: "Ce.tte participant.e a déjà complété le puzzle"
            display_time_from_start:
@@ -81,8 +93,12 @@ fr:
              blank: Ce champ est obligatoire
              not_an_integer: Ce n'est pas un nombre entier
              not_a_number: Ce n'est pas un nombre entier
+              too_large: "Ne peut pas être plus grand que le nombre de pièces du puzzle"
        contest:
          attributes:
+            duration:
+              blank: Obligatoire
+              invalid: Durée invalide
            name:
              blank: Le nom du concours ne peut pas être vide
        contestant:
@@ -122,6 +138,9 @@ fr:
              blank: L'email est obligatoire
            username:
              blank: Le nom d'utilisateur.ice est obligatoire
+              taken: Ce nom d'utilisateur.ice est déjà utilisé
+            password:
+              blank: Le mot de passe ne peut pas être vide
  categories:
    destroy:
      notice: Catégorie supprimée
@@ -134,6 +153,10 @@ fr:
    edit:
      notice: Complétion modifiée
      title: Modifier la complétion
+    form:
+      all_finished: Tous les puzzles ont déjà été complétés par %{name}
+      code: Code organisateur.ice
+      validate_name: "Valider un puzzle pour %{name}"
    new:
      notice: Complétion ajoutée
      title: Ajout d'une complétion
@@ -145,19 +168,26 @@ fr:
      notice: Concours modifié
      title: Paramètres du concours
    form:
-      categories: Catégories de participant.e.s
-      general: Paramètres généraux
-      offline: Participation hors-ligne
      offline_single_puzzle_warning: Ce n'est pas activable pour les concours avec plusieurs puzzles
    index:
      title: Bienvenue %{username} !
      manage_contests: Mes concours de puzzle
      new_contest: Créer un nouveau concours
+    nav:
+      categories: Catégories de participant.e.s
+      categories_description: Après avoir ajouté des catégories, elles pourront être attributées aux participant.e.s sur leurs profils, et un filtre sera disponible sur le classement public
+      general: Général
+      online: Concours en ligne
+      onsite: Concours en présentiel
+      public: Classement public
+      settings: Paramètres
+      stopwatch: Chronomètre
    new:
      notice: Concours ajouté
      title: Nouveau concours
    scoreboard:
      all_categories: Toutes les catégories
+      auto_refresh: Auto-rafraichissement (30s)
      hide_offline: Cacher les participant.e.s hors-ligne
      refresh: Activer le rafraichissement automatique de la page (toutes les 5s)
      title: "%{name}"
@@ -171,6 +201,8 @@ fr:
      offline_form_disabled: Le formulaire hors-ligne n'est pas activé
      public_scoreboard_disabled: Le classement public n'est pas activé
      url_copied: L’URL a été copiée dans le presse-papier
+    stopwatch:
+      info: Ce chronomètre est utilisé pour être affiché dans le classement public, quand autorisé dans les paramètres
  contestants:
    convert_csv:
      title: Importer des participant.e.s
@@ -181,12 +213,16 @@ fr:
      end_image: Image de fin
      notice: Participant.e modifié.e
      not_finished: Non terminé
+      no_puzzles_note: Aucun puzzle n'a été défini encore pour ce concours
      offline_participation: Participation hors-ligne
-      start_time: Image de début
+      start_image: Image de début
      title: Participant.e
      team_title: Équipe
    finalize_import:
      title: Importer des participant.e.s
+    generate_qrcodes:
+      note: Ces QR codes permettent, quand imprimés et placés sur les tables des participant.e.s, aux organisateur.ice.s de valider les temps de complétion des puzzles
+      no_code_note: Les codes ne seront générés qu'une fois un code pour les organisateur.ice.s défini dans les paramètres généraux
    import:
      email_column: Email des participant.e.s
      import_column: Importer ?
@@ -216,22 +252,35 @@ fr:
      confirm: "Confirmer"
      create: "Créer"
      delete: "Supprimer"
+      details: Détails
      edit: "Modifier"
      end: Clique ici pour valider ta complétion du puzzle
      export: Exporter
+      generate_qrcodes: Générer des QR codes
      import: Importer un CSV
-      open: Détails
+      open: Ouvrir
+      open_raw: Ouvrir dans un format imprimable
      refresh: Rafraîchir
      settings: Paramètres
      sign_in: Se connecter
      save: Modifier
+      save_password: Modifier le mot de passe
      start: Clique ici pour démarrer ta participation
+      stopwatch_continue: Reprendre
+      stopwatch_pause: Pause
+      stopwatch_reset: Ré-initialiser
+      stopwatch_start: Démarrer
      update: Enregistrer les modifications
    field: Champ
    none: Aucun champ sélectionné
    rank: Rang
+  lib:
+    ranking:
+      actual: Par nombre de pièces assemblées, puis par temps (recommandé)
+      theorical: Par temps uniquement (temps projeté calculé à partir de la vitesse d'assemblage)
  messages:
    index:
+      info: Cette section n'est pertinente que pour les concours en ligne qui utilisent la connexion depuis Google Meet
      no_messages: Pas de messages reçus pour le moment
    convert:
      title: Ajout d'une complétion
@@ -262,7 +311,7 @@ fr:
      title: Modifier le puzzle
    form:
      fake_data_recommendation: Il est recommendé d'entrer de faux noms et images, et de mettre les vrais uniquement quand le concours démarre.
-      file_too_big: La taille de l'image dépasse la taille maximum autorisée de 5M
+      file_too_big: La taille de l'image dépasse la taille maximum autorisée de 8M
    image_select: Choisis une image
    new:
      notice: Puzzle ajouté
@@ -278,7 +327,7 @@ fr:
      notice: Paramètres modifiés
      title: "Mes paramètres"
      general_section: "Paramètres globaux"
-      password_section: "Modifier mon mot de passe"
+      password_section: "Mot de passe"
    index:
      title: "Tous.tes les utilisateur.ices"
    new:
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -11,9 +11,18 @@ Rails.application.routes.draw do
  resources :contests do
    get "settings/general", to: "contests#settings_general_edit"
    patch "settings/general", to: "contests#settings_general_update"
-    get "settings/offline", to: "contests#settings_offline_edit"
-    patch "settings/offline", to: "contests#settings_offline_update"
+    get "settings/public", to: "contests#settings_public_edit"
+    patch "settings/public", to: "contests#settings_public_update"
+    get "settings/onsite", to: "contests#settings_onsite_edit"
+    patch "settings/onsite", to: "contests#settings_onsite_update"
+    get "settings/online", to: "contests#settings_online_edit"
+    patch "settings/online", to: "contests#settings_online_update"
    get "settings/categories", to: "contests#settings_categories_edit"
+    get "stopwatch", to: "contests#stopwatch"
+    post "stopwatch_continue", to: "contests#stopwatch_continue"
+    post "stopwatch_pause", to: "contests#stopwatch_pause"
+    post "stopwatch_reset", to: "contests#stopwatch_reset"
+    post "stopwatch_start", to: "contests#stopwatch_start"
    resources :categories, only: [ :create, :destroy ]
    resources :completions
    resources :contestants
@@ -26,20 +35,50 @@ Rails.application.routes.draw do
    get "import/:id", to: "contestants#convert_csv"
    post "import/:id", to: "contestants#finalize_import"
    get "export", to: "contestants#export"
+    get "generate_qrcodes", to: "contestants#generate_qrcodes"
+    get "generate_qrcodes_pdf", to: "contestants#generate_qrcodes_pdf"
  end
  resources :passwords, param: :token
  resource :session
-  resources :users
+  resources :users do
+    patch "password", to: "users#change_password"
+  end

  options "connect", to: "messages#cors_preflight_check"
  options "message", to: "messages#cors_preflight_check"
  post "connect", to: "messages#connect"
  post "message", to: "messages#create"

+  post "regenerate_qrcodes", to: "users#regenerate_qrcodes"
+  post "update_contestants", to: "users#update_contestants"
+
  get "public/:id", to: "contests#scoreboard"
  get "public/:id/offline", to: "contests#offline_new"
  post "public/:id/offline", to: "contests#offline_create"
  get "public/:id/offline/:token", to: "contests#offline_edit"
  patch "public/:id/offline/:token", to: "contests#offline_update"
  get "public/:id/offline/:token/completed", to: "contests#offline_completed"
+  get "public/p/:contestant_id", to: "contestants#get_public_completion"
+  post "public/p/:contestant_id", to: "contestants#post_public_completion"
+  get "public/p/:contestant_id/updated", to: "contestants#public_completion_updated"
+
+  direct :direct_test do
+    "https://lol.com"
+  end
+
+  direct :public_scoreboard do |contest|
+    "/public/#{contest.friendly_id}/public"
+  end
+
+  direct :offline_form do |contest|
+    "/public/#{contest.friendly_id}/offline"
+  end
+
+  direct :offline_form_edit do |contest, offline|
+    "/public/#{contest.friendly_id}/offline/#{offline.generate_token_for(:token)}"
+  end
+
+  direct :offline_form_completed do |contest, offline|
+    "/public/#{contest.friendly_id}/offline/#{offline.generate_token_for(:token)}/completed"
+  end
 end
--- a/db/migrate/20251114085123_add_ranking_mode_to_contest.rb
+++ b/db/migrate/20251114085123_add_ranking_mode_to_contest.rb
@@ -0,0 +1,5 @@
+class AddRankingModeToContest < ActiveRecord::Migration[8.0]
+  def change
+    add_column :contests, :ranking_mode, :string
+  end
+end
--- a/db/migrate/20251114092752_add_projected_time_to_completion.rb
+++ b/db/migrate/20251114092752_add_projected_time_to_completion.rb
@@ -0,0 +1,5 @@
+class AddProjectedTimeToCompletion < ActiveRecord::Migration[8.0]
+  def change
+    add_column :completions, :projected_time, :integer
+  end
+end
--- a/db/migrate/20251114093213_add_completion_to_offline.rb
+++ b/db/migrate/20251114093213_add_completion_to_offline.rb
@@ -0,0 +1,5 @@
+class AddCompletionToOffline < ActiveRecord::Migration[8.0]
+  def change
+    add_reference :offlines, :completion, foreign_key: true
+  end
+end
--- a/db/migrate/20251118074900_add_duration_to_contest.rb
+++ b/db/migrate/20251118074900_add_duration_to_contest.rb
@@ -0,0 +1,5 @@
+class AddDurationToContest < ActiveRecord::Migration[8.0]
+  def change
+    add_column :contests, :duration, :string
+  end
+end
--- a/db/migrate/20251118074914_add_duration_seconds_to_contest.rb
+++ b/db/migrate/20251118074914_add_duration_seconds_to_contest.rb
@@ -0,0 +1,5 @@
+class AddDurationSecondsToContest < ActiveRecord::Migration[8.0]
+  def change
+    add_column :contests, :duration_seconds, :integer
+  end
+end
--- a/db/migrate/20251120100813_add_qrcode_to_contestant.rb
+++ b/db/migrate/20251120100813_add_qrcode_to_contestant.rb
@@ -0,0 +1,5 @@
+class AddQrcodeToContestant < ActiveRecord::Migration[8.0]
+  def change
+    add_column :contestants, :qrcode, :string
+  end
+end
--- a/db/migrate/20251120150744_add_code_to_contest.rb
+++ b/db/migrate/20251120150744_add_code_to_contest.rb
@@ -0,0 +1,5 @@
+class AddCodeToContest < ActiveRecord::Migration[8.0]
+  def change
+    add_column :contests, :code, :string
+  end
+end
--- a/db/migrate/20251120152211_add_code_to_completion.rb
+++ b/db/migrate/20251120152211_add_code_to_completion.rb
@@ -0,0 +1,5 @@
+class AddCodeToCompletion < ActiveRecord::Migration[8.0]
+  def change
+    add_column :completions, :code, :string
+  end
+end
--- a/db/migrate/20251204100550_add_hidden_to_puzzle.rb
+++ b/db/migrate/20251204100550_add_hidden_to_puzzle.rb
@@ -0,0 +1,5 @@
+class AddHiddenToPuzzle < ActiveRecord::Migration[8.0]
+  def change
+    add_column :puzzles, :hidden, :boolean
+  end
+end
--- a/db/migrate/20251209073711_add_start_time_to_contest.rb
+++ b/db/migrate/20251209073711_add_start_time_to_contest.rb
@@ -0,0 +1,5 @@
+class AddStartTimeToContest < ActiveRecord::Migration[8.0]
+  def change
+    add_column :contests, :start_time, :datetime
+  end
+end
--- a/db/migrate/20251209075739_add_pause_time_to_contest.rb
+++ b/db/migrate/20251209075739_add_pause_time_to_contest.rb
@@ -0,0 +1,5 @@
+class AddPauseTimeToContest < ActiveRecord::Migration[8.0]
+  def change
+    add_column :contests, :pause_time, :datetime
+  end
+end
--- a/db/migrate/20251209081941_add_show_stopwatch_to_contest.rb
+++ b/db/migrate/20251209081941_add_show_stopwatch_to_contest.rb
@@ -0,0 +1,5 @@
+class AddShowStopwatchToContest < ActiveRecord::Migration[8.0]
+  def change
+    add_column :contests, :show_stopwatch, :boolean
+  end
+end
--- a/db/migrate/20251210092658_add_password_change_attempt_to_user.rb
+++ b/db/migrate/20251210092658_add_password_change_attempt_to_user.rb
@@ -0,0 +1,5 @@
+class AddPasswordChangeAttemptToUser < ActiveRecord::Migration[8.0]
+  def change
+    add_column :users, :password_change_attempt, :boolean
+  end
+end
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.

-ActiveRecord::Schema[8.0].define(version: 2025_11_10_110151) do
+ActiveRecord::Schema[8.0].define(version: 2025_12_10_092658) do
  create_table "active_storage_attachments", force: :cascade do |t|
    t.string "name", null: false
    t.string "record_type", null: false
@@ -67,6 +67,8 @@ ActiveRecord::Schema[8.0].define(version: 2025_11_10_110151) do
    t.integer "remaining_pieces"
    t.integer "missing_pieces"
    t.boolean "completed"
+    t.integer "projected_time"
+    t.string "code"
    t.index ["contest_id"], name: "index_completions_on_contest_id"
    t.index ["contestant_id"], name: "index_completions_on_contestant_id"
    t.index ["message_id"], name: "index_completions_on_message_id"
@@ -81,6 +83,8 @@ ActiveRecord::Schema[8.0].define(version: 2025_11_10_110151) do
    t.datetime "updated_at", null: false
    t.string "display_time"
    t.integer "time_seconds"
+    t.string "projected_time"
+    t.string "qrcode"
    t.index ["contest_id"], name: "index_contestants_on_contest_id"
  end

@@ -95,6 +99,13 @@ ActiveRecord::Schema[8.0].define(version: 2025_11_10_110151) do
    t.string "lang", default: "en"
    t.boolean "public", default: false
    t.boolean "offline_form", default: false
+    t.string "ranking_mode"
+    t.string "duration"
+    t.integer "duration_seconds"
+    t.string "code"
+    t.datetime "start_time"
+    t.datetime "pause_time"
+    t.boolean "show_stopwatch"
    t.index ["slug"], name: "index_contests_on_slug", unique: true
    t.index ["user_id"], name: "index_contests_on_user_id"
  end
@@ -140,6 +151,8 @@ ActiveRecord::Schema[8.0].define(version: 2025_11_10_110151) do
    t.integer "missing_pieces"
    t.integer "remaining_pieces"
    t.boolean "submitted"
+    t.integer "completion_id"
+    t.index ["completion_id"], name: "index_offlines_on_completion_id"
    t.index ["contest_id"], name: "index_offlines_on_contest_id"
    t.index ["contestant_id"], name: "index_offlines_on_contestant_id"
  end
@@ -151,6 +164,7 @@ ActiveRecord::Schema[8.0].define(version: 2025_11_10_110151) do
    t.integer "contest_id", null: false
    t.string "brand"
    t.integer "pieces", null: false
+    t.boolean "hidden"
    t.index ["contest_id"], name: "index_puzzles_on_contest_id"
  end

@@ -171,6 +185,7 @@ ActiveRecord::Schema[8.0].define(version: 2025_11_10_110151) do
    t.string "username"
    t.boolean "admin", default: false, null: false
    t.string "lang", default: "en"
+    t.boolean "password_change_attempt"
    t.index ["email_address"], name: "index_users_on_email_address", unique: true
  end

@@ -184,6 +199,7 @@ ActiveRecord::Schema[8.0].define(version: 2025_11_10_110151) do
  add_foreign_key "contestants", "contests"
  add_foreign_key "contests", "users"
  add_foreign_key "messages", "contests"
+  add_foreign_key "offlines", "completions"
  add_foreign_key "offlines", "contestants"
  add_foreign_key "offlines", "contests"
  add_foreign_key "puzzles", "contests"
--- a/spec/factories/contestant.rb
+++ b/spec/factories/contestant.rb
@@ -0,0 +1,29 @@
+# == Schema Information
+#
+# Table name: contestants
+#
+#  id             :integer          not null, primary key
+#  display_time   :string
+#  email          :string
+#  name           :string
+#  projected_time :string
+#  qrcode         :string
+#  time_seconds   :integer
+#  created_at     :datetime         not null
+#  updated_at     :datetime         not null
+#  contest_id     :integer          not null
+#
+# Indexes
+#
+#  index_contestants_on_contest_id  (contest_id)
+#
+# Foreign Keys
+#
+#  contest_id  (contest_id => contests.id)
+#
+FactoryBot.define do
+  factory :contestant do
+    name { Faker::Name.name }
+    email { Faker::Internet.unique.email }
+  end
+end
--- a/spec/factories/contests.rb
+++ b/spec/factories/contests.rb
@@ -4,11 +4,18 @@
 #
 #  id                 :integer          not null, primary key
 #  allow_registration :boolean          default(FALSE)
+#  code               :string
+#  duration           :string
+#  duration_seconds   :integer
 #  lang               :string           default("en")
 #  name               :string
 #  offline_form       :boolean          default(FALSE)
+#  pause_time         :datetime
 #  public             :boolean          default(FALSE)
+#  ranking_mode       :string
+#  show_stopwatch     :boolean
 #  slug               :string
+#  start_time         :datetime
 #  team               :boolean          default(FALSE)
 #  created_at         :datetime         not null
 #  updated_at         :datetime         not null
@@ -26,5 +33,11 @@
 FactoryBot.define do
  factory :contest do
    name { Faker::Company.unique.name }
+    duration { "2:00" }
+    ranking_mode { "actual" }
+  end
+
+  trait :offline do
+    offline_form { true }
  end
 end
--- a/spec/factories/offlines.rb
+++ b/spec/factories/offlines.rb
@@ -12,16 +12,19 @@
 #  submitted        :boolean
 #  created_at       :datetime         not null
 #  updated_at       :datetime         not null
+#  completion_id    :integer
 #  contest_id       :integer          not null
 #  contestant_id    :integer
 #
 # Indexes
 #
+#  index_offlines_on_completion_id  (completion_id)
 #  index_offlines_on_contest_id     (contest_id)
 #  index_offlines_on_contestant_id  (contestant_id)
 #
 # Foreign Keys
 #
+#  completion_id  (completion_id => completions.id)
 #  contest_id     (contest_id => contests.id)
 #  contestant_id  (contestant_id => contestants.id)
 #
--- a/spec/factories/users.rb
+++ b/spec/factories/users.rb
@@ -2,14 +2,15 @@
 #
 # Table name: users
 #
-#  id              :integer          not null, primary key
-#  admin           :boolean          default(FALSE), not null
-#  email_address   :string           not null
-#  lang            :string           default("en")
-#  password_digest :string           not null
-#  username        :string
-#  created_at      :datetime         not null
-#  updated_at      :datetime         not null
+#  id                      :integer          not null, primary key
+#  admin                   :boolean          default(FALSE), not null
+#  email_address           :string           not null
+#  lang                    :string           default("en")
+#  password_change_attempt :boolean
+#  password_digest         :string           not null
+#  username                :string
+#  created_at              :datetime         not null
+#  updated_at              :datetime         not null
 #
 # Indexes
 #
--- a/spec/features/contest_spec.rb
+++ b/spec/features/contest_spec.rb
@@ -20,7 +20,7 @@ RSpec.feature "Contests", type: :feature do

      find(".stretched-link[href=\"/contests/#{first_contest.friendly_id}\"]").click

-      expect(page).to have_current_path("/contests/#{first_contest.friendly_id}")
+      expect(page).to have_current_path("/contests/#{first_contest.friendly_id}/contestants")
    end

    it "should offer to create a new contest" do
@@ -48,31 +48,7 @@ RSpec.feature "Contests", type: :feature do

      click_button I18n.t("helpers.buttons.create")

-      expect(page).to have_current_path(contest_path(Contest.find_by(name: "Contest name")))
-    end
-  end
-
-  context "edit" do
-    let!(:contest) { create(:contest, user: user) }
-
-    it "should prevent editing contests without a name" do
-      visit edit_contest_path(contest)
-
-      fill_in I18n.t("activerecord.attributes.contest.name"), with: ""
-
-      click_button I18n.t("helpers.buttons.save")
-
-      expect(page).to have_content(I18n.t("activerecord.errors.models.contest.attributes.name.blank"))
-    end
-
-    it "should allow editing contests with valid parameters" do
-      visit edit_contest_path(contest)
-
-      fill_in I18n.t("activerecord.attributes.contest.name"), with: "Contest name"
-
-      click_button I18n.t("helpers.buttons.save")
-
-      expect(page).to have_current_path(contest_path(contest))
+      expect(page).to have_current_path("/contests")
    end
  end
 end
--- a/spec/features/login_spec.rb
+++ b/spec/features/login_spec.rb
@@ -19,7 +19,7 @@ RSpec.feature "Login", type: :feature do
      fill_in "Password", with: user.password
      click_button "Sign in"

-      expect(page).to have_content(I18n.t("sessions.new.title"))
+      expect(page).to have_content("Puzzle scoreboard")
    end

    it "should fail to log in the user with an incorrect password" do
@@ -28,7 +28,7 @@ RSpec.feature "Login", type: :feature do
      fill_in "Password", with: Faker::Internet.unique.password
      click_button "Sign in"

-      expect(page).to have_content(I18n.t("sessions.new.title"))
+      expect(page).to have_content("Puzzle scoreboard")
    end
  end
 end
--- a/spec/features/offline_spec.rb
+++ b/spec/features/offline_spec.rb
@@ -0,0 +1,145 @@
+require 'rails_helper'
+
+RSpec.feature "Users", type: :feature do
+  context "when the contest doesn't allow offline participation" do
+    let!(:contest) { create(:contest, user: create(:user)) }
+
+    it "shouldn't be possible to load the offline participation form" do
+      visit offline_form_path(contest)
+
+      expect(page).to have_http_status(404)
+    end
+  end
+
+  context "when the contest allows offline participation" do
+    let!(:contest) { create(:contest, :offline, user: create(:user)) }
+
+    it "should be possible to load the offline participation form" do
+      visit offline_form_path(contest)
+
+      expect(page).to have_http_status(200)
+      expect(page).to have_content(contest.name)
+    end
+
+    it "shouldn't be possible to validate the form without a pseudo" do
+      visit offline_form_path(contest)
+
+      fill_in I18n.t("activerecord.attributes.offline.name"), with: ""
+      click_button I18n.t("helpers.buttons.start")
+
+      expect(page).to have_http_status(422)
+      expect(page).to have_content(I18n.t("activerecord.errors.models.offline.attributes.name.blank"))
+    end
+
+    it "shouldn't be possible to validate the form without an image" do
+      visit offline_form_path(contest)
+
+      fill_in I18n.t("activerecord.attributes.offline.name"), with: "my_name"
+
+      expect { click_button I18n.t("helpers.buttons.start") }.not_to change { contest.reload.offlines.size }
+      expect(page).to have_http_status(422)
+      expect(page).to have_content(I18n.t("activerecord.errors.models.offline.attributes.start_image.blank"))
+    end
+
+    it "should be possible to start the offline participation with a valid name and start image" do
+      start_image_file = Tempfile.new('start_image')
+      begin
+        visit offline_form_path(contest)
+
+        fill_in I18n.t("activerecord.attributes.offline.name"), with: "my_name"
+        attach_file("offline[images]", start_image_file.path)
+
+        expect { click_button I18n.t("helpers.buttons.start") }.to change { contest.reload.offlines.size }.to(1)
+        expect(page).to have_http_status(200)
+        expect(page).to have_current_path(offline_form_edit_path(contest, contest.offlines[0]))
+      ensure
+        start_image_file.close
+        start_image_file.unlink
+      end
+    end
+
+    it "shouldn't be possible to complete the offline participation without an end image" do
+      start_image_file = Tempfile.new('start_image')
+      begin
+        visit offline_form_path(contest)
+
+        fill_in I18n.t("activerecord.attributes.offline.name"), with: "my_name"
+        attach_file("offline[images]", start_image_file.path)
+        click_button I18n.t("helpers.buttons.start")
+
+        expect { click_button I18n.t("helpers.buttons.end") }.not_to change { contest.offlines[0].images.size }
+        expect(page).to have_http_status(422)
+        expect(page).to have_content(I18n.t("activerecord.errors.models.offline.attributes.end_image.blank"))
+      ensure
+        start_image_file.close
+        start_image_file.unlink
+      end
+    end
+
+    it "shouldn't be possible to complete the offline participation without remaining pieces count when the puzzle isn't completed" do
+      start_image_file = Tempfile.new('start_image')
+      begin
+        visit offline_form_path(contest)
+
+        fill_in I18n.t("activerecord.attributes.offline.name"), with: "my_name"
+        attach_file("offline[images]", start_image_file.path)
+        click_button I18n.t("helpers.buttons.start")
+
+        expect { click_button I18n.t("helpers.buttons.end") }.not_to change { contest.offlines[0].images.size }
+        expect(page).to have_http_status(422)
+        expect(page).to have_content(I18n.t("activerecord.errors.models.offline.attributes.remaining_pieces.blank"))
+      ensure
+        start_image_file.close
+        start_image_file.unlink
+      end
+    end
+
+    it "should be possible to complete the offline participation with the end image and remaining pieces count when the puzzle isn't completed" do
+      start_image_file = Tempfile.new('start_image')
+      end_image_file = Tempfile.new('end_image')
+      begin
+        visit offline_form_path(contest)
+
+        fill_in I18n.t("activerecord.attributes.offline.name"), with: "my_name"
+        attach_file("offline[images]", start_image_file.path)
+        click_button I18n.t("helpers.buttons.start")
+
+        fill_in I18n.t("activerecord.attributes.offline.remaining_pieces"), with: "10"
+        attach_file("offline[end_image]", end_image_file.path)
+
+        expect { click_button I18n.t("helpers.buttons.end") }.to change { contest.offlines[0].images.size }.to(2)
+        expect(page).to have_http_status(200)
+        expect(page).to have_current_path(offline_form_completed_path(contest, contest.offlines[0]))
+      ensure
+        start_image_file.close
+        start_image_file.unlink
+        end_image_file.close
+        end_image_file.unlink
+      end
+    end
+
+    it "should be possible to complete the offline participation with the end image solely when the puzzle is completed" do
+      start_image_file = Tempfile.new('start_image')
+      end_image_file = Tempfile.new('end_image')
+      begin
+        visit offline_form_path(contest)
+
+        fill_in I18n.t("activerecord.attributes.offline.name"), with: "my_name"
+        attach_file("offline[images]", start_image_file.path)
+        click_button I18n.t("helpers.buttons.start")
+
+        check I18n.t("activerecord.attributes.offline.completed")
+        attach_file("offline[end_image]", end_image_file.path)
+
+        expect { click_button I18n.t("helpers.buttons.end") }.to change { contest.offlines[0].images.size }.to(2)
+        expect(page).to have_http_status(200)
+        expect(page).to have_current_path(offline_form_completed_path(contest, contest.offlines[0]))
+      ensure
+        start_image_file.close
+        start_image_file.unlink
+        end_image_file.close
+        end_image_file.unlink
+      end
+    end
+  end
+end
--- a/spec/features/user_spec.rb
+++ b/spec/features/user_spec.rb
@@ -21,21 +21,54 @@ RSpec.feature "Users", type: :feature do
      expect(page).not_to have_content(I18n.t("users.index.title"))
    end

-    it "should be able to create a new contest" do
+    it "should be able to open their account info" do
      visit root_path

-      click_link "Create a new contest"
+      click_link I18n.t("nav.settings")

-      expect(page).to have_content(I18n.t("contests.new.title"))
+      expect(page).to have_current_path(edit_user_path(user))
    end

-    it "should be able to open an existing contest" do
-      visit root_path
+    context "when updating their account info" do
+      let!(:existing_user) { create(:user, username: "taken_username") }

-      expect(page).to have_content(contest.name)
-      find("div.card", text: contest.name).find("a").click
+      it "should allow changing to an untaken username" do
+        visit edit_user_path(user)

-      expect(page).to have_content(I18n.t("contests.show.title", name: contest.name))
+        fill_in I18n.t("activerecord.attributes.user.username"), with: "untaken_username"
+
+        expect { click_button(I18n.t("helpers.buttons.save")); user.reload }.to change(user, :username).to("untaken_username")
+      end
+
+      it "should prevent changing to an already taken username" do
+        visit edit_user_path(user)
+
+        fill_in I18n.t("activerecord.attributes.user.username"), with: "taken_username"
+
+        expect { click_button(I18n.t("helpers.buttons.save")); user.reload }.not_to change(user, :username)
+
+        expect(page).to have_content(I18n.t("activerecord.errors.models.user.attributes.username.taken"))
+      end
+
+      it "should prevent changing to a blank username" do
+        visit edit_user_path(user)
+
+        fill_in I18n.t("activerecord.attributes.user.username"), with: ""
+
+        expect { click_button(I18n.t("helpers.buttons.save")); user.reload }.not_to change(user, :username)
+
+        expect(page).to have_content(I18n.t("activerecord.errors.models.user.attributes.username.blank"))
+      end
+
+      it "should allow changing to a non-blank password" do
+        visit edit_user_path(user)
+
+        fill_in I18n.t("activerecord.attributes.user.password"), with: "new_password"
+
+        expect { click_button(I18n.t("helpers.buttons.save_password")); user.reload }
+          .to change(user, :password_digest)
+          .and change { user.authenticate("new_password") }.from(false).to(user)
+      end
    end
  end

--- a/spec/models/category_spec.rb
+++ b/spec/models/category_spec.rb
@@ -1,23 +0,0 @@
-# == Schema Information
-#
-# Table name: categories
-#
-#  id         :integer          not null, primary key
-#  name       :string
-#  created_at :datetime         not null
-#  updated_at :datetime         not null
-#  contest_id :integer          not null
-#
-# Indexes
-#
-#  index_categories_on_contest_id  (contest_id)
-#
-# Foreign Keys
-#
-#  contest_id  (contest_id => contests.id)
-#
-require 'rails_helper'
-
-RSpec.describe Category, type: :model do
-  pending "add some examples to (or delete) #{__FILE__}"
-end
--- a/spec/models/csv_import_spec.rb
+++ b/spec/models/csv_import_spec.rb
@@ -1,15 +0,0 @@
-# == Schema Information
-#
-# Table name: csv_imports
-#
-#  id         :integer          not null, primary key
-#  content    :string           not null
-#  separator  :string           not null
-#  created_at :datetime         not null
-#  updated_at :datetime         not null
-#
-require 'rails_helper'
-
-RSpec.describe CsvImport, type: :model do
-  pending "add some examples to (or delete) #{__FILE__}"
-end
--- a/spec/models/message_spec.rb
+++ b/spec/models/message_spec.rb
@@ -1,26 +0,0 @@
-# == Schema Information
-#
-# Table name: messages
-#
-#  id           :integer          not null, primary key
-#  author       :string
-#  display_time :string
-#  text         :string           not null
-#  time_seconds :integer          not null
-#  created_at   :datetime         not null
-#  updated_at   :datetime         not null
-#  contest_id   :integer          not null
-#
-# Indexes
-#
-#  index_messages_on_contest_id  (contest_id)
-#
-# Foreign Keys
-#
-#  contest_id  (contest_id => contests.id)
-#
-require 'rails_helper'
-
-RSpec.describe Message, type: :model do
-  pending "add some examples to (or delete) #{__FILE__}"
-end
--- a/spec/models/offline_spec.rb
+++ b/spec/models/offline_spec.rb
@@ -1,32 +0,0 @@
-# == Schema Information
-#
-# Table name: offlines
-#
-#  id               :integer          not null, primary key
-#  completed        :boolean
-#  end_time         :datetime
-#  missing_pieces   :integer
-#  name             :string           not null
-#  remaining_pieces :integer
-#  start_time       :datetime         not null
-#  submitted        :boolean
-#  created_at       :datetime         not null
-#  updated_at       :datetime         not null
-#  contest_id       :integer          not null
-#  contestant_id    :integer
-#
-# Indexes
-#
-#  index_offlines_on_contest_id     (contest_id)
-#  index_offlines_on_contestant_id  (contestant_id)
-#
-# Foreign Keys
-#
-#  contest_id     (contest_id => contests.id)
-#  contestant_id  (contestant_id => contestants.id)
-#
-require 'rails_helper'
-
-RSpec.describe Offline, type: :model do
-  pending "add some examples to (or delete) #{__FILE__}"
-end
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -2,14 +2,15 @@
 #
 # Table name: users
 #
-#  id              :integer          not null, primary key
-#  admin           :boolean          default(FALSE), not null
-#  email_address   :string           not null
-#  lang            :string           default("en")
-#  password_digest :string           not null
-#  username        :string
-#  created_at      :datetime         not null
-#  updated_at      :datetime         not null
+#  id                      :integer          not null, primary key
+#  admin                   :boolean          default(FALSE), not null
+#  email_address           :string           not null
+#  lang                    :string           default("en")
+#  password_change_attempt :boolean
+#  password_digest         :string           not null
+#  username                :string
+#  created_at              :datetime         not null
+#  updated_at              :datetime         not null
 #
 # Indexes
 #
--- a/spec/rails_helper.rb
+++ b/spec/rails_helper.rb
@@ -67,4 +67,6 @@ RSpec.configure do |config|
  config.filter_rails_from_backtrace!
  # arbitrary gems may also be filtered via:
  # config.filter_gems_from_backtrace("gem name")
+
+  config.include SoManyDevices::DownloadsHelper, type: :system
 end
--- a/spec/system/export_spec.rb
+++ b/spec/system/export_spec.rb
@@ -0,0 +1,40 @@
+=begin Keeping this commented until resolving the ChromeDriver Gitea runner issue.
+require 'rails_helper'
+
+RSpec.describe "Exports", type: :system do
+  let!(:user) { create(:user) }
+
+  before do
+    driven_by :selenium_chrome_with_download_headless
+  end
+
+  after do
+    clear_downloads
+  end
+
+  context "when in a contest with at least one contestant" do
+    let!(:contest) { create(:contest, user: user) }
+    let!(:first_contestant) { create(:contestant, contest: contest) }
+    let!(:second_contestant) { create(:contestant, contest: contest) }
+
+    it "should be possible to export the list of contestants", :with_downloads do
+      login(user)
+
+      sleep 0.5
+
+      visit contest_contestants_path(contest)
+
+      click_link I18n.t("helpers.buttons.export")
+
+      wait_for_download
+
+      expect(downloads.length).to eq(1)
+      expect(last_download).to include("#{contest.friendly_id}_results.csv")
+
+      results_csv = File.read(last_download)
+      expect(results_csv).to include(first_contestant.name)
+      expect(results_csv).to include(second_contestant.name)
+    end
+  end
+end
+=end
Author	SHA1	Message	Date
sto	279e7eaf3f	Comment export spec until resolving the ChromeDriver Gitea runner issue All checks were successful CI / scan_ruby (push) Successful in 16s Details CI / scan_js (push) Successful in 13s Details CI / lint (push) Successful in 13s Details CI / test (push) Successful in 36s Details	2025-12-12 11:05:07 +01:00
sto	683d99ab12	System test for CSV export Some checks failed CI / scan_ruby (push) Successful in 15s Details CI / scan_js (push) Successful in 12s Details CI / lint (push) Successful in 12s Details CI / test (push) Failing after 1m28s Details #5	2025-12-12 10:31:03 +01:00
sto	76553d4cbc	Fix CSV export All checks were successful CI / scan_ruby (push) Successful in 20s Details CI / scan_js (push) Successful in 13s Details CI / lint (push) Successful in 13s Details CI / test (push) Successful in 40s Details	2025-12-11 17:27:34 +01:00
sto	31fe8789ce	Up the image file limit to 8M All checks were successful CI / scan_ruby (push) Successful in 22s Details CI / scan_js (push) Successful in 14s Details CI / lint (push) Successful in 14s Details CI / test (push) Successful in 40s Details	2025-12-11 09:18:15 +01:00
sto	360157e0c8	Permit password creation All checks were successful CI / scan_ruby (push) Successful in 16s Details CI / scan_js (push) Successful in 12s Details CI / lint (push) Successful in 13s Details CI / test (push) Successful in 38s Details	2025-12-10 17:50:07 +01:00
sto	5345e419df	Fix password change All checks were successful CI / scan_ruby (push) Successful in 20s Details CI / scan_js (push) Successful in 13s Details CI / lint (push) Successful in 13s Details CI / test (push) Successful in 40s Details	2025-12-10 17:43:00 +01:00
sto	2c87a5b63c	Add url helpers & specs for offline participation forms All checks were successful CI / scan_ruby (push) Successful in 19s Details CI / scan_js (push) Successful in 13s Details CI / lint (push) Successful in 14s Details CI / test (push) Successful in 38s Details #5	2025-12-10 15:12:19 +01:00
sto	8cea403dc9	Fix account page forms & add account actions rspec All checks were successful CI / scan_ruby (push) Successful in 21s Details CI / scan_js (push) Successful in 13s Details CI / lint (push) Successful in 13s Details CI / test (push) Successful in 37s Details #5	2025-12-10 10:44:03 +01:00
sto	cce090587a	Public scoreboard stopwatch feature All checks were successful CI / scan_ruby (push) Successful in 21s Details CI / scan_js (push) Successful in 14s Details CI / lint (push) Successful in 14s Details CI / test (push) Successful in 36s Details #10	2025-12-09 10:10:54 +01:00
sto	ee250b96ad	Auto refresh feature on public scoreboards All checks were successful CI / scan_ruby (push) Successful in 19s Details CI / scan_js (push) Successful in 13s Details CI / lint (push) Successful in 13s Details CI / test (push) Successful in 38s Details #12 #13	2025-12-08 17:11:47 +01:00
sto	1fc05bea63	Split scoreboard UI in partials All checks were successful CI / scan_ruby (push) Successful in 22s Details CI / scan_js (push) Successful in 15s Details CI / lint (push) Successful in 13s Details CI / test (push) Successful in 37s Details #13	2025-12-08 09:49:24 +01:00
sto	7bd1dce1ea	Add extra nav for settings & clean header buttons All checks were successful CI / scan_ruby (push) Successful in 20s Details CI / scan_js (push) Successful in 14s Details CI / lint (push) Successful in 13s Details CI / test (push) Successful in 36s Details	2025-12-05 10:53:52 +01:00
sto	e2c50515b1	Redirect to `/contests` after authentication All checks were successful CI / scan_ruby (push) Successful in 19s Details CI / scan_js (push) Successful in 13s Details CI / lint (push) Successful in 13s Details CI / test (push) Successful in 35s Details #25	2025-12-04 17:31:06 +01:00
sto	51e55f0828	Add `hidden` setting to puzzles All checks were successful CI / scan_ruby (push) Successful in 16s Details CI / scan_js (push) Successful in 13s Details CI / lint (push) Successful in 14s Details CI / test (push) Successful in 36s Details #19	2025-12-04 11:35:41 +01:00
sto	a2a8a9fcef	Make public contestant forms activated only when organizers code are set All checks were successful CI / scan_ruby (push) Successful in 16s Details CI / scan_js (push) Successful in 13s Details CI / lint (push) Successful in 13s Details CI / test (push) Successful in 35s Details #20	2025-12-04 10:50:10 +01:00
sto	d08370f5f8	Use contestant IDs instead of tokens for QR codes All checks were successful CI / scan_ruby (push) Successful in 20s Details CI / scan_js (push) Successful in 13s Details CI / lint (push) Successful in 13s Details CI / test (push) Successful in 37s Details #6	2025-12-04 10:30:44 +01:00
sto	cd41d83429	Fix rspec as is All checks were successful CI / scan_ruby (push) Successful in 18s Details CI / scan_js (push) Successful in 15s Details CI / lint (push) Successful in 15s Details CI / test (push) Successful in 36s Details #18	2025-12-03 15:42:45 +01:00
sto	3a6ee2ea98	Add QR codes inline HTML in Brakeman ignore list Some checks failed CI / scan_ruby (push) Successful in 21s Details CI / scan_js (push) Successful in 14s Details CI / lint (push) Successful in 15s Details CI / test (push) Failing after 39s Details #18	2025-12-03 15:29:34 +01:00
sto	d01775471e	Display time per puzzle for marathon scoreboards Some checks failed CI / scan_ruby (push) Failing after 21s Details CI / scan_js (push) Successful in 13s Details CI / lint (push) Successful in 14s Details CI / test (push) Failing after 36s Details	2025-11-27 16:26:37 +01:00
sto	66d968fca8	Add admin action to checkout contests Some checks failed CI / scan_ruby (push) Failing after 19s Details CI / scan_js (push) Successful in 14s Details CI / lint (push) Successful in 15s Details CI / test (push) Failing after 39s Details	2025-11-26 10:44:30 +01:00
sto	7a80c434af	Fix number of QR codes shown Some checks failed CI / scan_ruby (push) Failing after 19s Details CI / scan_js (push) Successful in 13s Details CI / lint (push) Successful in 14s Details CI / test (push) Failing after 1m54s Details	2025-11-25 09:58:14 +01:00
sto	768af7c3e9	Remove PDF generation and make HTML one printable Some checks failed CI / scan_ruby (push) Failing after 16s Details CI / scan_js (push) Successful in 13s Details CI / lint (push) Successful in 14s Details CI / test (push) Failing after 39s Details	2025-11-24 12:04:08 +01:00
sto	c0f2358a36	Install chromium for prod + extend process timeout Some checks failed CI / scan_ruby (push) Failing after 19s Details CI / scan_js (push) Successful in 13s Details CI / lint (push) Successful in 13s Details CI / test (push) Failing after 40s Details	2025-11-24 11:41:51 +01:00
sto	7a64fa181a	Add PDF generation for QR codes Some checks failed CI / scan_ruby (push) Failing after 24s Details CI / scan_js (push) Successful in 14s Details CI / lint (push) Successful in 13s Details CI / test (push) Failing after 39s Details	2025-11-24 10:58:26 +01:00
sto	024b254808	Fix QR codes generation on 'finalize_import' action Some checks failed CI / scan_ruby (push) Failing after 18s Details CI / scan_js (push) Successful in 14s Details CI / lint (push) Successful in 13s Details CI / test (push) Failing after 36s Details	2025-11-24 10:07:48 +01:00
sto	6ec4a89907	Add title on new sessions Some checks failed CI / scan_ruby (push) Failing after 19s Details CI / scan_js (push) Successful in 13s Details CI / lint (push) Successful in 14s Details CI / test (push) Failing after 35s Details	2025-11-24 09:57:30 +01:00
sto	d59090cded	Improve admin UI Some checks failed CI / scan_ruby (push) Failing after 21s Details CI / scan_js (push) Successful in 14s Details CI / lint (push) Successful in 14s Details CI / test (push) Failing after 32s Details	2025-11-22 09:06:10 +01:00
sto	ae3c7c73e1	Add admin action to regenerate QR codes Some checks failed CI / scan_ruby (push) Failing after 12s Details CI / scan_js (push) Failing after 10s Details CI / lint (push) Successful in 13s Details CI / test (push) Failing after 39s Details	2025-11-21 10:53:23 +01:00
sto	db6f732e63	Fix prod name Some checks failed CI / scan_ruby (push) Failing after 19s Details CI / scan_js (push) Successful in 14s Details CI / lint (push) Successful in 14s Details CI / test (push) Failing after 37s Details	2025-11-21 10:47:17 +01:00
sto	fdd47c231a	Reset the default_utl_options Some checks failed CI / scan_ruby (push) Failing after 18s Details CI / scan_js (push) Successful in 14s Details CI / lint (push) Successful in 14s Details CI / test (push) Failing after 41s Details	2025-11-21 10:43:40 +01:00
sto	b2429b71f4	Rollback prod config change Some checks failed CI / scan_ruby (push) Failing after 37s Details CI / scan_js (push) Successful in 14s Details CI / lint (push) Successful in 14s Details CI / test (push) Failing after 41s Details	2025-11-21 10:39:16 +01:00
sto	710953919c	Allow offline participants to take photos from their devices Some checks failed CI / scan_ruby (push) Failing after 23s Details CI / scan_js (push) Successful in 13s Details CI / lint (push) Successful in 15s Details CI / test (push) Failing after 43s Details	2025-11-21 10:08:51 +01:00
sto	94e725d20a	Add judges codes Some checks failed CI / scan_ruby (push) Failing after 18s Details CI / scan_js (push) Successful in 15s Details CI / lint (push) Successful in 15s Details CI / test (push) Failing after 45s Details	2025-11-20 16:59:30 +01:00
sto	b43a801e3c	Generate QR codes when not present and asked for Some checks failed CI / scan_ruby (push) Failing after 18s Details CI / scan_js (push) Successful in 13s Details CI / lint (push) Successful in 15s Details CI / test (push) Failing after 42s Details	2025-11-20 15:50:50 +01:00
sto	c4f0f603f6	Remove useless team contest setting Some checks failed CI / scan_ruby (push) Failing after 19s Details CI / scan_js (push) Successful in 14s Details CI / lint (push) Successful in 14s Details CI / test (push) Failing after 43s Details	2025-11-20 15:44:27 +01:00
sto	709719b801	QR codes generation Some checks failed CI / scan_ruby (push) Failing after 31s Details CI / scan_js (push) Successful in 16s Details CI / lint (push) Successful in 16s Details CI / test (push) Failing after 45s Details	2025-11-20 12:01:30 +01:00
sto	3e071f9281	Add public form to add completions Some checks failed CI / scan_ruby (push) Successful in 23s Details CI / scan_js (push) Successful in 15s Details CI / lint (push) Successful in 16s Details CI / test (push) Failing after 43s Details	2025-11-20 10:24:26 +01:00
sto	b87800f6bd	Correct category selector URL Some checks failed CI / scan_ruby (push) Successful in 17s Details CI / scan_js (push) Successful in 14s Details CI / lint (push) Successful in 14s Details CI / test (push) Failing after 26s Details	2025-11-18 12:02:14 +01:00
sto	bf127bb932	Completions: notice when no puzzles defined Some checks failed CI / scan_ruby (push) Successful in 18s Details CI / scan_js (push) Successful in 13s Details CI / lint (push) Successful in 13s Details CI / test (push) Failing after 39s Details	2025-11-18 11:57:48 +01:00
sto	3dd153d587	Require contest durations, prefill end times for unfinished puzzles & allow to modify them Some checks failed CI / scan_ruby (push) Successful in 19s Details CI / scan_js (push) Successful in 13s Details CI / lint (push) Successful in 14s Details CI / test (push) Failing after 44s Details	2025-11-18 11:46:02 +01:00
sto	63a88ea113	Add method to update contestants through admin UI Some checks failed CI / scan_ruby (push) Successful in 19s Details CI / scan_js (push) Successful in 14s Details CI / lint (push) Successful in 13s Details CI / test (push) Failing after 35s Details	2025-11-18 11:15:23 +01:00
sto	ecb36e19ed	Reorder general settings Some checks failed CI / scan_ruby (push) Successful in 17s Details CI / scan_js (push) Successful in 14s Details CI / lint (push) Successful in 13s Details CI / test (push) Failing after 35s Details	2025-11-18 09:38:15 +01:00
sto	bc96b16bcb	Improve redirections after puzzles/messages controllers Some checks failed CI / scan_ruby (push) Successful in 17s Details CI / scan_js (push) Successful in 14s Details CI / lint (push) Successful in 14s Details CI / test (push) Failing after 34s Details	2025-11-18 09:33:42 +01:00
sto	0f725e2eef	Fix contest creation Some checks failed CI / scan_ruby (push) Successful in 18s Details CI / scan_js (push) Successful in 14s Details CI / lint (push) Successful in 14s Details CI / test (push) Failing after 35s Details	2025-11-18 09:30:40 +01:00
sto	e67ee92838	Add contest duration & complete ranking mode implementation Some checks failed CI / scan_ruby (push) Successful in 21s Details CI / scan_js (push) Successful in 14s Details CI / lint (push) Successful in 13s Details CI / test (push) Failing after 37s Details	2025-11-18 09:18:18 +01:00
sto	b88460ae71	Implement projected time Some checks failed CI / scan_ruby (push) Successful in 16s Details CI / scan_js (push) Successful in 13s Details CI / lint (push) Successful in 13s Details CI / test (push) Failing after 35s Details	2025-11-14 12:13:09 +01:00
sto	f91145637f	Add ranking mode Some checks failed CI / scan_ruby (push) Successful in 20s Details CI / scan_js (push) Successful in 13s Details CI / lint (push) Successful in 12s Details CI / test (push) Failing after 35s Details	2025-11-14 10:19:08 +01:00
sto	cdf87e48f2	Merge settings & core indexes into a single nav	2025-11-13 18:21:31 +01:00