Add edit, update and destroy actions to rooms controller

app/controllers/rooms_controller.rb

@@ -1,5 +1,6 @@
 class RoomsController < ApplicationController
   before_action :authenticate_user!
+  before_action :set_room, only: [:edit, :update, :destroy]
 
   def index
     @rooms = Room.includes(:users).all
@@ -13,20 +14,36 @@ def create
     @room = current_user.build_room(room_params)
     if @room.save
       @room.users << current_user
-      redirect_to rooms_path, notice: "You successfully created new room \"#{@room.name}\""
+      redirect_to rooms_path, notice: "You have successfully created new room \"#{@room.name}\"."
     else
       render :new
     end
   end
 
   def edit; end
 
-  def update; end
+  def update
+    if @room.update(room_params)
+      redirect_to rooms_path, notice: 'You have successfully updated your room.'
+    else
+      render :edit
+    end
+  end
 
-  def destroy; end
+  def destroy
+    @room.users.each do |user|
+      user.update(room_id: nil)
+    end
+    @room.destroy
+    redirect_to root_path
+  end
 
   private
 
+  def set_room
+    @room = current_user.room
+  end
+
   def room_params
     params.require(:room).permit(:name)
   end

app/views/layouts/_header.html.slim

@@ -5,4 +5,6 @@ header
         li = link_to 'Sign up', new_user_registration_path
         li = link_to 'Sign in', new_user_session_path
       - else
+        - if current_user.room?
+          li = link_to 'Edit your room', edit_room_path
         li = link_to 'Sign out', destroy_user_session_path, method: :delete

app/views/rooms/_form.html.slim

@@ -1,7 +1,7 @@
-= form_for(room) do |f|
+= form_for(room, url: rooms_path) do |f|
   .field
     = f.label :name
     br
     = f.text_field :name
   .actions
-    = f.submit 'Create room'
+    = f.submit submit_button_text

app/views/rooms/edit.html.slim

@@ -1,2 +1,5 @@
-h1 Rooms#edit
-p Find me in app/views/rooms/edit.html.slim
+h1 Edit your room
+
+= render partial: 'form', locals: { room: @room, submit_button_text: 'Update room' }
+
+= link_to 'Destroy your room', rooms_path, method: :delete

app/views/rooms/new.html.slim

@@ -1,3 +1,2 @@
 h3 New room
-
-= render partial: 'form', locals: { room: @room }
+= render partial: 'form', locals: { room: @room, submit_button_text: 'Create room' }

config/routes.rb

@@ -1,5 +1,8 @@
 Rails.application.routes.draw do
   root 'pages#index'
-  resources :rooms
+  resources :rooms, only: [:index, :new, :create]
+  get '/rooms/edit' => 'rooms#edit', as: 'edit_room'
+  put '/rooms' => 'rooms#update'
+  delete '/rooms' => 'rooms#destroy'
   devise_for :users
 end

spec/controllers/rooms_controller_spec.rb

@@ -19,12 +19,35 @@
       end
     end
 
-    describe 'Post #create' do
+    describe 'GET #edit' do
+      it 'returns http success' do
+        room = create(:room)
+        room.users << subject.current_user
+
+        get :edit
+
+        expect(response).to have_http_status(:success)
+        expect(response).to render_template(:edit)
+        expect(assigns(:room)).to eq subject.current_user.room
+      end
+    end
+
+    describe 'POST #create' do
       it 'creates new room and assings it as current_users room' do
         post :create, params: { room: { name: 'Room538' } }
 
         expect(subject.current_user.room.name).to eq 'Room538'
       end
     end
+
+    describe 'PUT #update' do
+      it 'updates current_users room' do
+        subject.current_user.room = create(:room)
+
+        put :update, params: { room: { name: 'Room538' } }
+
+        expect(subject.current_user.room.name).to eq 'Room538'
+      end
+    end
   end
 end

spec/features/rooms_spec.rb

@@ -12,7 +12,7 @@
     fill_in 'Name', with: 'My room'
     click_button 'Create room'
 
-    expect(page).to have_content 'You successfully created new room "My room"'
+    expect(page).to have_content 'You have successfully created new room "My room".'
   end
 
   scenario 'User looks at all rooms' do