Implement projected time

app/controllers/completions_controller.rb

@@ -26,9 +26,7 @@ class CompletionsController < ApplicationController
     @completion = Completion.new(completion_params)
     @completion.contest_id = @contest.id
     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

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

app/controllers/contests_controller.rb

@@ -160,6 +160,7 @@ 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,