Implement offline POST method for starting an offline participation

app/controllers/application_controller.rb

@@ -30,8 +30,12 @@ class ApplicationController < ActionController::Base
   def user_not_authorized(exception)
     policy_name = exception.policy.class.to_s.underscore
 
-    flash[:error] = t "#{policy_name}.#{exception.query}", scope: "pundit", default: :default
-    redirect_back_or_to(root_path)
+    if current_user
+      flash[:error] = t "#{policy_name}.#{exception.query}", scope: "pundit", default: :default
+      redirect_back_or_to(root_path)
+    else
+      not_found
+    end
   end
 
   def not_found

app/controllers/contests_controller.rb

@@ -1,6 +1,7 @@
 class ContestsController < ApplicationController
   before_action :set_contest, only: %i[ destroy edit show update ]
-  skip_before_action :require_authentication, only: %i[ scoreboard offline_new ]
+  before_action :offline_setup, only: %i[ offline_new offline_create ]
+  skip_before_action :require_authentication, only: %i[ scoreboard offline_new offline_create ]
 
   def index
     authorize :contest
@@ -100,22 +101,30 @@ class ContestsController < ApplicationController
   end
 
   def offline_new
-    @contest = Contest.find_by(slug: params[:id])
-    unless @contest && @contest.offline_form
-      skip_authorization
-      not_found and return
-    end
-    authorize :contest
-
-    I18n.locale = @contest.lang
-
-    @title = I18n.t("contests.scoreboard.title", name: @contest.name)
-
+    authorize @contest
     @offline = Offline.new
   end
 
+  def offline_create
+    authorize @contest
+    @offline = Offline.new(offline_start_params)
+    @offline.contest = @contest
+    @offline.start_time = Time.now()
+    if @offline.save
+      redirect_to "/public/#{@contest.friendly_id}/offline/test"
+    else
+      render :offline_new, status: :unprocessable_entity
+    end
+  end
+
   private
 
+  def offline_setup
+    @contest = Contest.find_by(slug: params[:id])
+    I18n.locale = @contest.lang
+    @title = I18n.t("contests.scoreboard.title", name: @contest.name)
+  end
+
   def set_badges
     @badges = []
     @badges.push(t("helpers.badges.team")) if @contest.team
@@ -139,4 +148,8 @@ class ContestsController < ApplicationController
       end
     end
   end
+
+  def offline_start_params
+    params.expect(offline: [ :name, :start_image ])
+  end
 end

app/models/offline.rb

@@ -4,6 +4,7 @@
 #
 #  id         :integer          not null, primary key
 #  end_time   :datetime
+#  name       :string           not null
 #  start_time :datetime         not null
 #  created_at :datetime         not null
 #  updated_at :datetime         not null
@@ -23,5 +24,17 @@ class Offline < ApplicationRecord
   has_one_attached :start_image
   has_one_attached :end_image
 
+  validates :name, presence: true
   validates :start_time, presence: true
+
+  validate :start_image_is_present
+
+  def start_image_is_present
+    logger = Logger.new(STDOUT)
+    logger.info "TESTddfzefzef"
+    logger.info self.start_image.attached?
+    if !self.start_image.attached?
+      errors.add(:start_image, I18n.t("activerecord.errors.models.offline.attributes.start_image.blank"))
+    end
+  end
 end

app/policies/contest_policy.rb

@@ -47,24 +47,28 @@ class ContestPolicy < ApplicationPolicy
     record.user.id == user.id || user.admin?
   end
 
+  def offline?
+    record.offline_form
+  end
+
   def offline_new?
-    true
+    offline?
   end
 
   def offline_create?
-    true
+    offline?
   end
 
   def offline_edit?
-    true
+    offline?
   end
 
   def offline_update?
-    true
+    offline?
   end
 
   def scoreboard?
-    true
+    record.public
   end
 
   def upload_csv?

app/views/contests/offline_new.html.slim

@@ -1,8 +1,13 @@
-= form_with model: @offline, url: "/public/#{@contest.id}/offline" do |form|
+= form_with model: @offline, url: "/public/#{@contest.friendly_id}/offline" do |form|
+  .row.mb-3
+    .col
+      .form-floating
+        = form.text_field :name, autocomplete: "off", class: "form-control"
+        = form.label :name, class: "required"
   .row.mb-3
     .col
       .form-text.mb-1
-        = t("puzzles.image_select")
+        = t("offlines.start_image_select")
       = form.file_field :start_image, accept: "image/*", class: "form-control"
       .form-text.error-message style="display: none;" id="image-error-message"
         = t("puzzles.form.file_too_big")
@@ -20,6 +25,6 @@
         }
 
         setMaxUploadSize();
-  .row.mt-3
+  .row.mt-4
     .col
-      = form.submit t("helpers.buttons.add"), class: "btn btn-primary"
+      = form.submit t("helpers.buttons.start"), class: "btn btn-primary"