Added some validations to the Product model

Author: echessa

Gemfile

@@ -34,6 +34,8 @@ end
 
 gem 'foundation-rails'
 gem "paperclip", "~> 4.1"
+gem 'pry'
+gem 'pry-nav'
 
 # Use ActiveModel has_secure_password
 # gem 'bcrypt-ruby', '~> 3.1.2'

Gemfile.lock

@@ -31,6 +31,7 @@ GEM
       activesupport (>= 3.0)
     cocaine (0.5.4)
       climate_control (>= 0.0.3, < 1.0)
+    coderay (1.1.0)
     coffee-rails (4.0.1)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0, < 5.0)
@@ -55,6 +56,7 @@ GEM
     mail (2.5.4)
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
+    method_source (0.8.2)
     mime-types (1.25.1)
     minitest (4.7.5)
     multi_json (1.9.2)
@@ -64,6 +66,12 @@ GEM
       cocaine (~> 0.5.3)
       mime-types
     polyglot (0.3.4)
+    pry (0.9.12.4)
+      coderay (~> 1.0)
+      method_source (~> 0.8)
+      slop (~> 3.4)
+    pry-nav (0.2.3)
+      pry (~> 0.9.10)
     rack (1.5.2)
     rack-test (0.6.2)
       rack (>= 1.0)
@@ -92,6 +100,7 @@ GEM
     sdoc (0.4.0)
       json (~> 1.8)
       rdoc (~> 4.0, < 5.0)
+    slop (3.4.7)
     sprockets (2.11.0)
       hike (~> 1.2)
       multi_json (~> 1.0)
@@ -124,6 +133,8 @@ DEPENDENCIES
   jbuilder (~> 1.2)
   jquery-rails
   paperclip (~> 4.1)
+  pry
+  pry-nav
   rails (= 4.0.2)
   sass-rails (~> 4.0.0)
   sdoc

app/controllers/products_controller.rb

@@ -1,3 +1,6 @@
+require 'pry'
+require 'pry-nav'
+
 class ProductsController < ApplicationController
   before_action :set_product, only: [:show, :edit, :update, :destroy]
 
@@ -17,10 +20,6 @@ def new
     @product = Product.new
   end
 
-  # GET /products/1/edit
-  def edit
-  end
-
   # POST /products
   # POST /products.json
   def create
@@ -37,20 +36,6 @@ def create
     end
   end
 
-  # PATCH/PUT /products/1
-  # PATCH/PUT /products/1.json
-  def update
-    respond_to do |format|
-      if @product.update(product_params)
-        format.html { redirect_to @product, notice: 'Product was successfully updated.' }
-        format.json { head :no_content }
-      else
-        format.html { render action: 'edit' }
-        format.json { render json: @product.errors, status: :unprocessable_entity }
-      end
-    end
-  end
-
   # DELETE /products/1
   # DELETE /products/1.json
   def destroy

app/models/product.rb

@@ -1,6 +1,10 @@
 class Product < ActiveRecord::Base
 
-  has_attached_file :photo, :styles => { :medium => "300x300>", :thumb => "150x150>" }, :default_url => "/images/:style/missing.png"
+  has_attached_file :photo, :styles => { :medium => "300x300>", :thumb => "150x150>" }
   validates_attachment_content_type :photo, :content_type => /\Aimage\/.*\Z/
 
+  validates :name, presence: true
+  validates :description, presence: true
+  validates :photo, presence: true
+
 end

app/views/products/_form.html.erb

@@ -25,7 +25,7 @@
   </div>
 <div class="field">
   <%= f.label :photo %>
-  <%= f.file_field :photo %>
+  <%= f.file_field :photo , :required => 'required' %>
 </div>
   <div class="actions">
     <%= f.submit :class => 'button' %>

app/views/products/edit.html.erb

@@ -2,4 +2,4 @@
 
 <%= render 'form' %>
 
-<%= link_to 'Back', products_path %>
+<%= link_to 'Home', products_path %>

app/views/products/new.html.erb

@@ -17,6 +17,5 @@
   <%= @product.description %>
 </p>
 
-<%= link_to 'Edit', edit_product_path(@product) %> |
 <%= link_to 'Delete', @product, method: :delete %> |
-<%= link_to 'Back', products_path %>
+<%= link_to 'Home', products_path %>