Save display times in the db

app/controllers/completions_controller.rb

@@ -1,4 +1,6 @@
 class CompletionsController < ApplicationController
+  include CompletionsConcern
+
   before_action :set_contest
   before_action :set_data, only: %i[ create edit new update ]
   before_action :set_completion, only: %i[ destroy edit update ]
@@ -25,6 +27,7 @@ class CompletionsController < ApplicationController
     @completion = Completion.new(completion_params)
     @completion.contest_id = @contest.id
     if @completion.save
+      extend_completions!(@completion.contestant)
       redirect_to contest_path(@contest)
     else
       logger = Logger.new(STDOUT)
@@ -41,6 +44,7 @@ class CompletionsController < ApplicationController
       @completion.contestant_id = params[:contestant_id]
     end
     if @completion.update(completion_params)
+      extend_completions!(@completion.contestant)
       redirect_to @contest
     else
       @title = "Edit completion"

app/controllers/concerns/completions_concern.rb

@@ -19,12 +19,13 @@ module CompletionsConcern
     pad(seconds)
   end
 
-  def extend_completions!(completions)
+  def extend_completions!(contestant)
     current_time_from_start = 0
-    @completions.each do |completion|
-      completion.display_time_from_start = display_time(completion.time_seconds)
-      completion.display_relative_time = display_time(completion.time_seconds - current_time_from_start)
-      current_time_from_start += completion.time_seconds
+    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
     end
+    contestant.update(display_time: display_time(current_time_from_start))
   end
 end

app/controllers/contestants_controller.rb

@@ -1,6 +1,4 @@
 class ContestantsController < ApplicationController
-  include CompletionsConcern
-
   before_action :set_contest
   before_action :set_contestant, only: %i[ destroy edit update]
   before_action :set_completions, only: %i[edit update ]
@@ -61,8 +59,6 @@ class ContestantsController < ApplicationController
 
   def set_completions
     @completions = @contestant.completions.order(:time_seconds)
-    extend_completions!(@completions)
-    @completions
   end
 
   def contestant_params

app/controllers/contests_controller.rb

@@ -1,6 +1,4 @@
 class ContestsController < ApplicationController
-  include CompletionsConcern
-
   before_action :set_contest, only: %i[ destroy edit show update ]
   skip_before_action :require_authentication, only: %i[ scoreboard ]
 
@@ -70,7 +68,6 @@ class ContestsController < ApplicationController
     @title = @contest.name
     @contestants = @contest.contestants.order(:name)
     @puzzles = @contest.puzzles.order(:id)
-    extend_completions!(@contest.completions)
     render :scoreboard
   end
 

app/models/completion.rb

@@ -3,6 +3,8 @@
 # Table name: completions
 #
 #  id                      :integer          not null, primary key
+#  display_relative_time   :string
+#  display_time_from_start :string
 #  time_seconds            :integer
 #  created_at              :datetime         not null
 #  updated_at              :datetime         not null
@@ -27,8 +29,6 @@ class Completion < ApplicationRecord
   belongs_to :contestant
   belongs_to :puzzle
 
-  attr_accessor :display_time_from_start, :display_relative_time
-
   validates :time_seconds, presence: true
   validates_numericality_of :time_seconds
   validates :puzzle_id, uniqueness: { scope: :contestant }

app/models/contestant.rb

@@ -3,6 +3,7 @@
 # Table name: contestants
 #
 #  id           :integer          not null, primary key
+#  display_time :string
 #  email        :string
 #  name         :string
 #  created_at   :datetime         not null
@@ -19,7 +20,6 @@
 #
 class Contestant < ApplicationRecord
   belongs_to :contest
-
   has_many :completions
 
   validates :name, presence: true

app/views/contests/scoreboard.html.slim

@@ -7,6 +7,8 @@ table.table.table-striped.table-hover
         | Name
       th scope="col"
         | Completed puzzles
+      th scope="col"
+        | Total time
   tbody
     - @contestants.each_with_index do |contestant, index|
       tr scope="row"
@@ -16,3 +18,5 @@ table.table.table-striped.table-hover
           = contestant.name
         td
           = contestant.completions.length
+        td
+          = contestant.display_time

db/migrate/20250326153650_add_display_times_to_completions.rb

@@ -0,0 +1,6 @@
+class AddDisplayTimesToCompletions < ActiveRecord::Migration[8.0]
+  def change
+    add_column :completions, :display_time_from_start, :string
+    add_column :completions, :display_relative_time, :string
+  end
+end

db/migrate/20250326153736_add_display_time_to_contestants.rb

@@ -0,0 +1,5 @@
+class AddDisplayTimeToContestants < ActiveRecord::Migration[8.0]
+  def change
+    add_column :contestants, :display_time, :string
+  end
+end

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_03_22_164205) do
+ActiveRecord::Schema[8.0].define(version: 2025_03_26_153736) do
   create_table "active_storage_attachments", force: :cascade do |t|
     t.string "name", null: false
     t.string "record_type", null: false
@@ -46,6 +46,8 @@ ActiveRecord::Schema[8.0].define(version: 2025_03_22_164205) do
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
     t.integer "contest_id", null: false
+    t.string "display_time_from_start"
+    t.string "display_relative_time"
     t.index ["contest_id"], name: "index_completions_on_contest_id"
     t.index ["contestant_id"], name: "index_completions_on_contestant_id"
     t.index ["puzzle_id"], name: "index_completions_on_puzzle_id"
@@ -57,6 +59,7 @@ ActiveRecord::Schema[8.0].define(version: 2025_03_22_164205) do
     t.integer "contest_id", null: false
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.string "display_time"
     t.index ["contest_id"], name: "index_contestants_on_contest_id"
   end
 

test/fixtures/completions.yml

@@ -5,6 +5,8 @@
 # Table name: completions
 #
 #  id                      :integer          not null, primary key
+#  display_relative_time   :string
+#  display_time_from_start :string
 #  time_seconds            :integer
 #  created_at              :datetime         not null
 #  updated_at              :datetime         not null

test/fixtures/contestants.yml

@@ -5,6 +5,7 @@
 # Table name: contestants
 #
 #  id           :integer          not null, primary key
+#  display_time :string
 #  email        :string
 #  name         :string
 #  created_at   :datetime         not null

test/models/completion_test.rb

@@ -3,6 +3,8 @@
 # Table name: completions
 #
 #  id                      :integer          not null, primary key
+#  display_relative_time   :string
+#  display_time_from_start :string
 #  time_seconds            :integer
 #  created_at              :datetime         not null
 #  updated_at              :datetime         not null

test/models/contestant_test.rb

@@ -3,6 +3,7 @@
 # Table name: contestants
 #
 #  id           :integer          not null, primary key
+#  display_time :string
 #  email        :string
 #  name         :string
 #  created_at   :datetime         not null