Starting point for Helper Methods 3

app/controllers/movies_controller.rb

@@ -1,80 +1,57 @@
 class MoviesController < ApplicationController
   def new
-    @the_movie = Movie.new
-
-    render template: "movies/new.html.erb"
+    @movie = Movie.new
   end
 
   def index
-    matching_movies = Movie.all
-
-    @list_of_movies = matching_movies.order({ :created_at => :desc })
+    @movies = Movie.order(created_at: :desc)
 
     respond_to do |format|
-      format.json do
-        render json: @list_of_movies
-      end
+      format.json { render json: @movies }
 
-      format.html do
-        render({ :template => "movies/index.html.erb" })
-      end
+      format.html
     end
   end
 
   def show
-    the_id = params.fetch(:id)
-
-    matching_movies = Movie.where({ :id => the_id })
-
-    @the_movie = matching_movies.first
-
-    render({ :template => "movies/show.html.erb" })
+    @movie = Movie.find(params.fetch(:id))
   end
 
   def create
-    @the_movie = Movie.new
-    @the_movie.title = params.fetch("query_title")
-    @the_movie.description = params.fetch("query_description")
+    movie_params = params.require(:movie).permit(:title, :description)
+
+    @movie = Movie.new(movie_params)
 
-    if @the_movie.valid?
-      @the_movie.save
-      redirect_to("/movies", { :notice => "Movie created successfully." })
+    if @movie.valid?
+      @movie.save
+
+      redirect_to movies_url, notice: "Movie created successfully."
     else
-      render template: "movies/new.html.erb"
+      render "new"
     end
   end
 
   def edit
-    the_id = params.fetch(:id)
-
-    matching_movies = Movie.where({ :id => the_id })
-
-    @the_movie = matching_movies.first
-
-    render({ :template => "movies/edit.html.erb" })
+    @movie = Movie.find(params.fetch(:id))
   end
 
   def update
-    the_id = params.fetch(:id)
-    the_movie = Movie.where({ :id => the_id }).first
-
-    the_movie.title = params.fetch("query_title")
-    the_movie.description = params.fetch("query_description")
+    @movie = Movie.find(params.fetch(:id))
 
-    if the_movie.valid?
-      the_movie.save
-      redirect_to("/movies/#{the_movie.id}", { :notice => "Movie updated successfully."} )
+    movie_params = params.require(:movie).permit(:title, :description)
+
+    if @movie.update(movie_params)
+      redirect_to @movie, notice: "Movie updated successfully."
     else
-      redirect_to("/movies/#{the_movie.id}", { :alert => "Movie failed to update successfully." })
+      render "edit"
     end
   end
 
   def destroy
-    the_id = params.fetch(:id)
-    the_movie = Movie.where({ :id => the_id }).first
+    @movie = Movie.find(params.fetch(:id))
 
-    the_movie.destroy
+    @movie.destroy
 
-    redirect_to("/movies", { :notice => "Movie deleted successfully."} )
+    redirect_to movies_url, notice: "Movie deleted successfully."
   end
 end

app/views/movies/edit.html.erb

@@ -1,31 +1,21 @@
 <h1>Edit movie</h1>
 
-<% @the_movie.errors.full_messages.each do |message| %>
+<% @movie.errors.full_messages.each do |message| %>
   <p style="color: red;"><%= message %></p>
 <% end %>
 
-<form action="/movies/<%= @the_movie.id %>" method="post">
-  <input name="authenticity_token" value="<%= form_authenticity_token %>" type="hidden">
-
-  <input name="_method" value="patch" type="hidden">
-
+<%= form_with model: @movie do |form| %>
   <div>
-    <label for="title_box">
-      Title
-    </label>
-
-    <input type="text" id="title_box" name="query_title" value="<%= @the_movie.title %>">
+    <%= form.label :title %>
+    <%= form.text_field :title %>
   </div>
 
   <div>
-    <label for="description_box">
-      Description
-    </label>
-
-    <textarea id="description_box" name="query_description" rows="3"><%= @the_movie.description %></textarea>
+    <%= form.label :description %>
+    <%= form.text_area :description %>
   </div>
 
-  <button>
-    Update movie
-  </button>
-</form>
+  <div>
+    <%= form.submit %>
+  </div>
+<% end %>

app/views/movies/index.html.erb

@@ -5,7 +5,7 @@
 <hr>
 
 <div>
-  <a href="/movies/new">Add a new movie</a>
+  <%= link_to "Add a new movie", new_movie_path %>
 </div>
 
 <hr>
@@ -36,31 +36,29 @@
     </th>
   </tr>
 
-  <% @list_of_movies.each do |a_movie| %>
+  <% @movies.each do |movie| %>
   <tr>
     <td>
-      <%= a_movie.id %>
+      <%= movie.id %>
     </td>
 
     <td>
-      <%= a_movie.title %>
+      <%= movie.title %>
     </td>
 
     <td>
-      <%= a_movie.description %>
+      <%= movie.description %>
     </td>
 
     <td>
-      <%= time_ago_in_words(a_movie.created_at) %> ago
+      <%= time_ago_in_words(movie.created_at) %> ago
     </td>
     <td>
-      <%= time_ago_in_words(a_movie.updated_at) %> ago
+      <%= time_ago_in_words(movie.updated_at) %> ago
     </td>
 
     <td>
-      <a href="/movies/<%= a_movie.id %>">
-        Show details
-      </a>
+      <%= link_to "Show details", movie %>
     </td>
   </tr>
   <% end %>

app/views/movies/new.html.erb

@@ -1,29 +1,21 @@
 <h1>New movie</h1>
 
-<% @the_movie.errors.full_messages.each do |message| %>
+<% @movie.errors.full_messages.each do |message| %>
   <p style="color: red;"><%= message %></p>
 <% end %>
 
-<form action="/movies" method="post">
-  <input name="authenticity_token" value="<%= form_authenticity_token %>" type="hidden">
-
+<%= form_with model: @movie do |form| %>
   <div>
-    <label for="title_box">
-      Title
-    </label>
-
-    <input type="text" id="title_box" name="query_title" value="<%= @the_movie.title %>">
+    <%= form.label :title %>
+    <%= form.text_field :title %>
   </div>
 
   <div>
-    <label for="description_box">
-      Description
-    </label>
-
-    <textarea id="description_box" name="query_description" rows="3"><%= @the_movie.description %></textarea>
+    <%= form.label :description %>
+    <%= form.text_area :description %>
   </div>
 
-  <button>
-    Create movie
-  </button>
-</form>
+  <div>
+    <%= form.submit %>
+  </div>
+<% end %>

app/views/movies/show.html.erb

@@ -1,26 +1,20 @@
 <div>
   <div>
     <h1>
-      Movie #<%= @the_movie.id %> details
+      Movie #<%= @movie.id %> details
     </h1>
 
     <div>
       <div>
-        <a href="/movies">
-          Go back
-        </a>
+        <%= link_to "Go back", movies_path %>
       </div>
 
       <div>
-        <a href="/movies/<%= @the_movie.id %>/edit">
-          Edit movie
-        </a>
+        <%= link_to "Edit Movie", edit_movie_path(@movie) %>
       </div>
 
       <div>
-        <a href="/movies/<%= @the_movie.id %>" data-method="delete">
-          Delete movie
-        </a>
+        <%= link_to "Delete Movie", @movie, method: :delete %>
       </div>
     </div>
 
@@ -29,28 +23,28 @@
         Title
       </dt>
       <dd>
-        <%= @the_movie.title %>
+        <%= @movie.title %>
       </dd>
 
       <dt>
         Description
       </dt>
       <dd>
-        <%= @the_movie.description %>
+        <%= @movie.description %>
       </dd>
 
       <dt>
         Created at
       </dt>
       <dd>
-        <%= time_ago_in_words(@the_movie.created_at) %> ago
+        <%= time_ago_in_words(@movie.created_at) %> ago
       </dd>
 
       <dt>
         Updated at
       </dt>
       <dd>
-        <%= time_ago_in_words(@the_movie.updated_at) %> ago
+        <%= time_ago_in_words(@movie.updated_at) %> ago
       </dd>
     </dl>
   </div>

config/routes.rb

@@ -1,22 +1,5 @@
 Rails.application.routes.draw do
-  get("/", { :controller => "movies", :action => "index" })
-
-  # Routes for the Movie resource:
-
-  # CREATE
-  post("/movies", { :controller => "movies", :action => "create" })
-  get("/movies/new", { :controller => "movies", :action => "new" })
-
-  # READ
-  get("/movies", { :controller => "movies", :action => "index" })
-  get("/movies/:id", { :controller => "movies", :action => "show" })
+  root "movies#index"
 
-  # UPDATE
-  patch("/movies/:id", { :controller => "movies", :action => "update" })
-  get("/movies/:id/edit", { :controller => "movies", :action => "edit" })
-
-  # DELETE
-  delete("/movies/:id", { :controller => "movies", :action => "destroy" })
-
-  #------------------------------
-end
+  resources :movies
+end

test/system/example_specs.rb → test/system/movie_test.rb

@@ -14,7 +14,7 @@ class MoviesTest < ApplicationSystemTestCase
 
     fill_in "Description", with: "A new movie's descroption"
     fill_in "Title", with: "A new movie's title"
-    click_on "Create movie"
+    click_on "Create Movie"
 
     assert_text "Movie created successfully"
 
@@ -30,7 +30,7 @@ class MoviesTest < ApplicationSystemTestCase
     fill_in "Description", with: "Some other description"
     fill_in "Title", with: "Some other title"
 
-    click_on "Update movie"
+    click_on "Update Movie"
 
     assert_text "Movie updated successfully"
 
@@ -45,7 +45,7 @@ class MoviesTest < ApplicationSystemTestCase
 
     visit "/movies"
     click_on "Show details", match: :first
-    click_on "Delete movie"
+    click_on "Delete Movie"
 
     assert_text "Movie deleted successfully"