Offline participation: implement completed puzzle methods

app/controllers/contests_controller.rb

@@ -1,7 +1,7 @@
 class ContestsController < ApplicationController
   before_action :set_contest, only: %i[ destroy edit show update ]
-  before_action :offline_setup, only: %i[ offline_new offline_create ]
-  skip_before_action :require_authentication, only: %i[ scoreboard offline_new offline_create ]
+  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 ]
 
   def index
     authorize :contest
@@ -111,12 +111,47 @@ class ContestsController < ApplicationController
     @offline.contest = @contest
     @offline.start_time = Time.now()
     if @offline.save
-      redirect_to "/public/#{@contest.friendly_id}/offline/test"
+      redirect_to "/public/#{@contest.friendly_id}/offline/#{@offline.generate_token_for(:token)}"
     else
       render :offline_new, status: :unprocessable_entity
     end
   end
 
+  def offline_edit
+    authorize @contest
+
+    @offline = Offline.find_by_token_for(:token, params[:token])
+    if !@offline
+      not_found and return
+    end
+  end
+
+  def offline_update
+    authorize @contest
+
+    @offline = Offline.find_by_token_for(:token, params[:token])
+    if !@offline
+      not_found and return
+    end
+
+    @offline.completed = true
+    @offline.images.attach(params[:offline][:end_image])
+    if @offline.save
+      redirect_to "/public/#{@contest.friendly_id}/offline/#{@offline.generate_token_for(:token)}/completed"
+    else
+      render :offline_edit, status: :unprocessable_entity
+    end
+  end
+
+  def offline_completed
+    authorize @contest
+
+    @offline = Offline.find_by_token_for(:token, params[:token])
+    if !@offline
+      not_found and return
+    end
+  end
+
   private
 
   def offline_setup
@@ -150,6 +185,10 @@ class ContestsController < ApplicationController
   end
 
   def offline_start_params
-    params.expect(offline: [ :name, :start_image ])
+    params.expect(offline: [ :name, :images ])
+  end
+
+  def offline_end_params
+    params.expect(offline: [ :completed, :end_image ])
   end
 end

app/models/offline.rb

@@ -3,6 +3,7 @@
 # Table name: offlines
 #
 #  id         :integer          not null, primary key
+#  completed  :boolean
 #  end_time   :datetime
 #  name       :string           not null
 #  start_time :datetime         not null
@@ -21,20 +22,25 @@
 class Offline < ApplicationRecord
   belongs_to :contest
 
-  has_one_attached :start_image
-  has_one_attached :end_image
+  has_many_attached :images
+
+  generates_token_for :token
 
   validates :name, presence: true
   validates :start_time, presence: true
 
+  validate :end_image_is_present
   validate :start_image_is_present
 
+  def end_image_is_present
+    if self.completed && self.images.length < 2
+      errors.add(:end_image, I18n.t("activerecord.errors.models.offline.attributes.end_image.blank"))
+    end
+  end
+
   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"))
+    if !self.images.attached?
+      errors.add(:images, I18n.t("activerecord.errors.models.offline.attributes.start_image.blank"))
     end
   end
 end

app/policies/contest_policy.rb

@@ -67,6 +67,10 @@ class ContestPolicy < ApplicationPolicy
     offline?
   end
 
+  def offline_completed?
+    offline?
+  end
+
   def scoreboard?
     record.public
   end

app/views/contests/offline_completed.html.slim

@@ -0,0 +1 @@
+| TODO

app/views/contests/offline_edit.html.slim

@@ -0,0 +1,26 @@
+= form_with model: @offline, url: "/public/#{@contest.friendly_id}/offline/#{@offline.generate_token_for(:token)}" do |form|
+  = form.hidden_field :completed
+  .row.mb-3
+    .col
+      .form-text.mb-1
+        = t("offlines.end_image_select")
+      = form.file_field :end_image, accept: "image/*", class: "form-control"
+      .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 > 2 * 1024 * 1024) {
+              document.getElementById('image-error-message').style.display = 'block';
+              this.value = "";
+            } else {
+              document.getElementById('image-error-message').style.display = 'none';
+            }
+          };
+        }
+
+        setMaxUploadSize();
+  .row.mt-4
+    .col
+      = form.submit t("helpers.buttons.end"), class: "btn btn-primary"

app/views/contests/offline_new.html.slim

@@ -8,7 +8,7 @@
     .col
       .form-text.mb-1
         = t("offlines.start_image_select")
-      = form.file_field :start_image, accept: "image/*", class: "form-control"
+      = form.file_field :images, accept: "image/*", class: "form-control"
       .form-text.error-message style="display: none;" id="image-error-message"
         = t("puzzles.form.file_too_big")
       javascript: