Add ranking mode

app/controllers/contests_controller.rb

@@ -1,7 +1,8 @@
 class ContestsController < ApplicationController
   include CompletionsConcern
+  include ContestantsConcern
 
-  before_action :set_contest, only: %i[ destroy show update ]
+  before_action :set_contest, only: %i[ destroy show ]
   before_action :set_settings_contest, only: %i[ settings_general_edit settings_general_update settings_offline_edit settings_offline_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 ]
@@ -60,7 +61,7 @@ class ContestsController < ApplicationController
   def create
     authorize :contest
 
-    @contest = Contest.new(contest_params)
+    @contest = Contest.new(new_contest_params)
     @contest.user_id = current_user.id
     if @contest.save
       redirect_to "/contests/#{@contest.id}/settings/general", notice: t("contests.new.notice")
@@ -69,16 +70,6 @@ class ContestsController < ApplicationController
     end
   end
 
-  def update
-    authorize @contest
-
-    if @contest.update(contest_params)
-      redirect_to @contest, notice: t("contests.edit.notice")
-    else
-      render :edit, status: :unprocessable_entity
-    end
-  end
-
   def destroy
     authorize @contest
 
@@ -97,12 +88,7 @@ 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
-    ] }
+    @contestants = ranked_contestants(@contest)
     filter_contestants_per_category
     if params.key?(:hide_offline) && params[:hide_offline] == "true"
       @contestants = @contestants.select { |contestant| !contestant.offline.present? }
@@ -212,12 +198,12 @@ 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 ])
   end
 
   def settings_general_params
-    params.expect(contest: [ :lang, :name, :public, :team, :allow_registration ])
+    params.expect(contest: [ :lang, :name, :public, :ranking_mode, :team, :allow_registration ])
   end
 
   def settings_offline_params