Scaffold Products, Comments

feature Products

app/controllers/comments_controller.rb

@@ -0,0 +1,85 @@
+class CommentsController < ApplicationController
+  # GET /comments
+  # GET /comments.xml
+  def index
+    @comments = Comment.find(:all)
+
+    respond_to do |format|
+      format.html # index.html.erb
+      format.xml  { render :xml => @comments }
+    end
+  end
+
+  # GET /comments/1
+  # GET /comments/1.xml
+  def show
+    @comment = Comment.find(params[:id])
+
+    respond_to do |format|
+      format.html # show.html.erb
+      format.xml  { render :xml => @comment }
+    end
+  end
+
+  # GET /comments/new
+  # GET /comments/new.xml
+  def new
+    @comment = Comment.new
+
+    respond_to do |format|
+      format.html # new.html.erb
+      format.xml  { render :xml => @comment }
+    end
+  end
+
+  # GET /comments/1/edit
+  def edit
+    @comment = Comment.find(params[:id])
+  end
+
+  # POST /comments
+  # POST /comments.xml
+  def create
+    @comment = Comment.new(params[:comment])
+
+    respond_to do |format|
+      if @comment.save
+        flash[:notice] = 'Comment was successfully created.'
+        format.html { redirect_to(@comment) }
+        format.xml  { render :xml => @comment, :status => :created, :location => @comment }
+      else
+        format.html { render :action => "new" }
+        format.xml  { render :xml => @comment.errors, :status => :unprocessable_entity }
+      end
+    end
+  end
+
+  # PUT /comments/1
+  # PUT /comments/1.xml
+  def update
+    @comment = Comment.find(params[:id])
+
+    respond_to do |format|
+      if @comment.update_attributes(params[:comment])
+        flash[:notice] = 'Comment was successfully updated.'
+        format.html { redirect_to(@comment) }
+        format.xml  { head :ok }
+      else
+        format.html { render :action => "edit" }
+        format.xml  { render :xml => @comment.errors, :status => :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /comments/1
+  # DELETE /comments/1.xml
+  def destroy
+    @comment = Comment.find(params[:id])
+    @comment.destroy
+
+    respond_to do |format|
+      format.html { redirect_to(comments_url) }
+      format.xml  { head :ok }
+    end
+  end
+end

app/controllers/products_controller.rb

@@ -0,0 +1,85 @@
+class ProductsController < ApplicationController
+  # GET /products
+  # GET /products.xml
+  def index
+    @products = Product.find(:all)
+
+    respond_to do |format|
+      format.html # index.html.erb
+      format.xml  { render :xml => @products }
+    end
+  end
+
+  # GET /products/1
+  # GET /products/1.xml
+  def show
+    @product = Product.find(params[:id])
+
+    respond_to do |format|
+      format.html # show.html.erb
+      format.xml  { render :xml => @product }
+    end
+  end
+
+  # GET /products/new
+  # GET /products/new.xml
+  def new
+    @product = Product.new
+
+    respond_to do |format|
+      format.html # new.html.erb
+      format.xml  { render :xml => @product }
+    end
+  end
+
+  # GET /products/1/edit
+  def edit
+    @product = Product.find(params[:id])
+  end
+
+  # POST /products
+  # POST /products.xml
+  def create
+    @product = Product.new(params[:product])
+
+    respond_to do |format|
+      if @product.save
+        flash[:notice] = 'Product was successfully created.'
+        format.html { redirect_to(@product) }
+        format.xml  { render :xml => @product, :status => :created, :location => @product }
+      else
+        format.html { render :action => "new" }
+        format.xml  { render :xml => @product.errors, :status => :unprocessable_entity }
+      end
+    end
+  end
+
+  # PUT /products/1
+  # PUT /products/1.xml
+  def update
+    @product = Product.find(params[:id])
+
+    respond_to do |format|
+      if @product.update_attributes(params[:product])
+        flash[:notice] = 'Product was successfully updated.'
+        format.html { redirect_to(@product) }
+        format.xml  { head :ok }
+      else
+        format.html { render :action => "edit" }
+        format.xml  { render :xml => @product.errors, :status => :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /products/1
+  # DELETE /products/1.xml
+  def destroy
+    @product = Product.find(params[:id])
+    @product.destroy
+
+    respond_to do |format|
+      format.html { redirect_to(products_url) }
+      format.xml  { head :ok }
+    end
+  end
+end

app/helpers/comments_helper.rb

@@ -0,0 +1,2 @@
+module CommentsHelper
+end

app/helpers/products_helper.rb

@@ -0,0 +1,2 @@
+module ProductsHelper
+end

app/models/comment.rb

@@ -0,0 +1,2 @@
+class Comment < ActiveRecord::Base
+end

app/models/product.rb

@@ -0,0 +1,2 @@
+class Product < ActiveRecord::Base
+end

app/views/comments/edit.html.erb

@@ -0,0 +1,20 @@
+<h1>Editing comment</h1>
+
+<% form_for(@comment) do |f| %>
+  <%= f.error_messages %>
+
+  <p>
+    <%= f.label :name %><br />
+    <%= f.text_field :name %>
+  </p>
+  <p>
+    <%= f.label :body %><br />
+    <%= f.text_area :body %>
+  </p>
+  <p>
+    <%= f.submit "Update" %>
+  </p>
+<% end %>
+
+<%= link_to 'Show', @comment %> |
+<%= link_to 'Back', comments_path %>

app/views/comments/index.html.erb

@@ -0,0 +1,22 @@
+<h1>Listing comments</h1>
+
+<table>
+  <tr>
+    <th>Name</th>
+    <th>Body</th>
+  </tr>
+
+<% for comment in @comments %>
+  <tr>
+    <td><%=h comment.name %></td>
+    <td><%=h comment.body %></td>
+    <td><%= link_to 'Show', comment %></td>
+    <td><%= link_to 'Edit', edit_comment_path(comment) %></td>
+    <td><%= link_to 'Destroy', comment, :confirm => 'Are you sure?', :method => :delete %></td>
+  </tr>
+<% end %>
+</table>
+
+<br />
+
+<%= link_to 'New comment', new_comment_path %>

app/views/comments/new.html.erb

@@ -0,0 +1,19 @@
+<h1>New comment</h1>
+
+<% form_for(@comment) do |f| %>
+  <%= f.error_messages %>
+
+  <p>
+    <%= f.label :name %><br />
+    <%= f.text_field :name %>
+  </p>
+  <p>
+    <%= f.label :body %><br />
+    <%= f.text_area :body %>
+  </p>
+  <p>
+    <%= f.submit "Create" %>
+  </p>
+<% end %>
+
+<%= link_to 'Back', comments_path %>

app/views/comments/show.html.erb

@@ -0,0 +1,13 @@
+<p>
+  <b>Name:</b>
+  <%=h @comment.name %>
+</p>
+
+<p>
+  <b>Body:</b>
+  <%=h @comment.body %>
+</p>
+
+
+<%= link_to 'Edit', edit_comment_path(@comment) %> |
+<%= link_to 'Back', comments_path %>

app/views/products/edit.html.erb

@@ -0,0 +1,20 @@
+<h1>Editing product</h1>
+
+<% form_for(@product) do |f| %>
+  <%= f.error_messages %>
+
+  <p>
+    <%= f.label :name %><br />
+    <%= f.text_field :name %>
+  </p>
+  <p>
+    <%= f.label :price %><br />
+    <%= f.text_field :price %>
+  </p>
+  <p>
+    <%= f.submit "Update" %>
+  </p>
+<% end %>
+
+<%= link_to 'Show', @product %> |
+<%= link_to 'Back', products_path %>

app/views/products/index.html.erb

@@ -0,0 +1,22 @@
+<h1>Listing products</h1>
+
+<table>
+  <tr>
+    <th>Name</th>
+    <th>Price</th>
+  </tr>
+
+<% for product in @products %>
+  <tr>
+    <td><%=h product.name %></td>
+    <td><%=h product.price %></td>
+    <td><%= link_to 'Show', product %></td>
+    <td><%= link_to 'Edit', edit_product_path(product) %></td>
+    <td><%= link_to 'Destroy', product, :confirm => 'Are you sure?', :method => :delete %></td>
+  </tr>
+<% end %>
+</table>
+
+<br />
+
+<%= link_to 'New product', new_product_path %>

app/views/products/new.html.erb

@@ -0,0 +1,19 @@
+<h1>New product</h1>
+
+<% form_for(@product) do |f| %>
+  <%= f.error_messages %>
+
+  <p>
+    <%= f.label :name %><br />
+    <%= f.text_field :name %>
+  </p>
+  <p>
+    <%= f.label :price %><br />
+    <%= f.text_field :price %>
+  </p>
+  <p>
+    <%= f.submit "Create" %>
+  </p>
+<% end %>
+
+<%= link_to 'Back', products_path %>

app/views/products/show.html.erb

@@ -0,0 +1,13 @@
+<p>
+  <b>Name:</b>
+  <%=h @product.name %>
+</p>
+
+<p>
+  <b>Price:</b>
+  <%=h @product.price %>
+</p>
+
+
+<%= link_to 'Edit', edit_product_path(@product) %> |
+<%= link_to 'Back', products_path %>

config/routes.rb

@@ -1,4 +1,8 @@
 ActionController::Routing::Routes.draw do |map|
+  map.resources :comments
+
+  map.resources :products
+
   # The priority is based upon order of creation: first created -> highest priority.
 
   # Sample of regular route:

db/migrate/20090129031627_create_products.rb

@@ -0,0 +1,14 @@
+class CreateProducts < ActiveRecord::Migration
+  def self.up
+    create_table :products do |t|
+      t.string :name
+      t.decimal :price, :precision => 12, :scale => 2
+
+      t.timestamps
+    end
+  end
+
+  def self.down
+    drop_table :products
+  end
+end

db/migrate/20090129031654_create_comments.rb

@@ -0,0 +1,14 @@
+class CreateComments < ActiveRecord::Migration
+  def self.up
+    create_table :comments do |t|
+      t.string :name
+      t.text :body
+
+      t.timestamps
+    end
+  end
+
+  def self.down
+    drop_table :comments
+  end
+end