Add completions

app/controllers/contestants_controller.rb

@@ -1,6 +1,7 @@
 class ContestantsController < ApplicationController
   before_action :set_contest
   before_action :set_contestant, only: %i[ destroy edit update]
+  before_action :set_completions, only: %i[edit update ]
 
   def edit
     @title = "Edit contestant"
@@ -26,6 +27,7 @@ class ContestantsController < ApplicationController
     if @contestant.update(contestant_params)
       redirect_to @contest
     else
+      @title = "Edit contestant"
       render :edit, status: :unprocessable_entity
     end
   end
@@ -45,6 +47,10 @@ class ContestantsController < ApplicationController
     @contestant = Contestant.find(params[:id])
   end
 
+  def set_completions
+    @completions = @contestant.completions
+  end
+
   def contestant_params
     params.expect(contestant: [ :email, :name ])
   end