Add contestants

app/controllers/contestants_controller.rb

@@ -0,0 +1,51 @@
+class ContestantsController < ApplicationController
+  before_action :set_contest
+  before_action :set_contestant, only: %i[ destroy edit update]
+
+  def edit
+    @title = "Edit contestant"
+  end
+
+  def new
+    @contestant = Contestant.new
+    @title = "New contestant"
+  end
+
+  def create
+    @contestant = Contestant.new(contestant_params)
+    @contestant.contest_id = @contest.id
+    if @contestant.save
+      redirect_to contest_path(@contest)
+    else
+      @title = "New contestant"
+      render :new, status: :unprocessable_entity
+    end
+  end
+
+  def update
+    if @contestant.update(contestant_params)
+      redirect_to @contest
+    else
+      render :edit, status: :unprocessable_entity
+    end
+  end
+
+  def destroy
+    @contestant.destroy
+    redirect_to contest_path(@contest)
+  end
+
+  private
+
+  def set_contest
+    @contest = Contest.find(params[:contest_id])
+  end
+
+  def set_contestant
+    @contestant = Contestant.find(params[:id])
+  end
+
+  def contestant_params
+    params.expect(contestant: [ :email, :name ])
+  end
+end

app/controllers/contests_controller.rb

@@ -8,6 +8,7 @@ class ContestsController < ApplicationController
 
   def show
     @title = @contest.name
+    @contestants = @contest.contestants
     @puzzles = @contest.puzzles
     set_badges
   end

app/controllers/puzzles_controller.rb

@@ -1,13 +1,6 @@
 class PuzzlesController < ApplicationController
   before_action :set_contest
-  before_action :set_puzzle, only: %i[ edit destroy show update]
-
-  def index
-    @puzzles = Puzzle.all
-  end
-
-  def show
-  end
+  before_action :set_puzzle, only: %i[ destroy edit update]
 
   def edit
     @title = "Edit contest puzzle"