fix code review post on gitlab (if ! ~ unless, .nil? --> .blank?, Hash.new ->…

fix code review post on gitlab (if ! ~ unless, .nil? --> .blank?, Hash.new -> {}, has_many + plural)

venshop_app/app/controllers/cards_controller.rb

@@ -2,14 +2,14 @@ class CardsController < ApplicationController
   add_breadcrumb "Cards", :cards_path
 
   def index
-    @card_infos = Hash.new
-    if !session[:SHOPPING_CARD_SESSION_NAME].nil?
+    @card_infos = {}
+    unless session[:SHOPPING_CARD_SESSION_NAME].blank?
       @card_infos = session[:SHOPPING_CARD_SESSION_NAME]
     end
-    if !params[:product_id].nil?
+    unless params[:product_id].blank?
       if Product.exists?(params[:product_id])
         # if remove a product from card
-        if !params[:card_action].nil? && params[:card_action] == 'remove'
+        if !params[:card_action].blank? && params[:card_action] == 'remove'
           # Nothing to delete
           if @card_infos.empty?
             redirect_to cards_path and return
@@ -24,11 +24,11 @@ class CardsController < ApplicationController
                 session[:SHOPPING_CARD_SESSION_NAME] = @card_infos
                 found = true
               end
-              flash[:error] = "Invalid request (product not exist in card)" if !found
+              flash[:error] = "Invalid request (product not exist in card)" unless found
               redirect_to cards_path and return
             end
           end
-        elsif !params[:card_action].nil? && params[:card_action] == 'update'
+        elsif !params[:card_action].blank? && params[:card_action] == 'update'
            # Nothing to update
           if @card_infos.empty?
             flash[:error] = "Invalid request"
@@ -36,7 +36,7 @@ class CardsController < ApplicationController
           else
             quantity = params[:quantity]
             # Invalid request
-            if quantity.nil? || quantity.to_i <= 0
+            if quantity.blank? || quantity.to_i <= 0
               flash[:error] = "Invalid quantity"
               redirect_to cards_path and return
             else
@@ -60,7 +60,7 @@ class CardsController < ApplicationController
             product = Product.find(params[:product_id])
             card_items = Array.new
             card_items.push({ product_id: params[:product_id], quantity: 1 })
-            customer_info = Hash.new
+            customer_info = {}
             @card_infos = { card_items: card_items, customer_info: customer_info }
             session[:SHOPPING_CARD_SESSION_NAME] = @card_infos
             redirect_to cards_path and return
@@ -75,7 +75,7 @@ class CardsController < ApplicationController
               end
             end
             # if a product not exist in card
-            if !found
+            unless found
               card_items.push({ product_id: params[:product_id], quantity: 1 })
               customer_info = @card_infos[:customer_info]
               @card_infos = { card_items: card_items, customer_info: customer_info }
@@ -93,8 +93,8 @@ class CardsController < ApplicationController
 
   def checkout
     add_breadcrumb "Checkout", url_for(action: 'checkout')
-    @card_infos = Hash.new
-    if !session[:SHOPPING_CARD_SESSION_NAME].nil?
+    @card_infos = {}
+    unless session[:SHOPPING_CARD_SESSION_NAME].blank?
       @card_infos = session[:SHOPPING_CARD_SESSION_NAME]
     end
     if @card_infos.empty? || @card_infos[:card_items].empty?
@@ -103,7 +103,7 @@ class CardsController < ApplicationController
     end
     if request.post?
       @errors = Array.new
-      customer_info = Hash.new
+      customer_info = {}
       if params[:full_name].empty?
         @errors.push("Full name is required")
       end
@@ -143,8 +143,8 @@ class CardsController < ApplicationController
   def confirm_checkout
     add_breadcrumb "Check out", url_for(action: 'checkout')
     add_breadcrumb "Confirm", url_for(action: 'confirm_checkout')
-    @card_infos = Hash.new
-    if !session[:SHOPPING_CARD_SESSION_NAME].nil?
+    @card_infos = {}
+    unless session[:SHOPPING_CARD_SESSION_NAME].blank?
       @card_infos = session[:SHOPPING_CARD_SESSION_NAME]
     end
     if @card_infos.empty? || @card_infos[:card_items].empty? || @card_infos[:customer_info].empty?
@@ -183,7 +183,7 @@ class CardsController < ApplicationController
   end
 
   def thankyou
-    if params[:card_id].nil? || !MyCard.exists?(params[:card_id])
+    if params[:card_id].blank? || !MyCard.exists?(params[:card_id])
       flash[:error] = "Invalid card request"
       redirect_to root_path and return
     end

venshop_app/app/controllers/products_controller.rb

@@ -9,14 +9,14 @@ class ProductsController < ApplicationController
   def show
     begin
       @product = Product.find(params[:id])
-      if !@product.status
+      unless @product.status
         user = current_user
-        if user.nil? || @product.user_id != user.id
+        if user.blank? || @product.user_id != user.id
           redirect_to products_path
         end
       end
       product_category = ProductCategory.find(@product.product_category_id)
-      if !product_category.nil?
+      unless product_category.blank?
         add_breadcrumb product_category.name, product_category_path(product_category)
         add_breadcrumb @product.name, product_path(@product)
       end
@@ -49,13 +49,13 @@ class ProductsController < ApplicationController
   def user_items
     add_breadcrumb "My items", url_for(action: 'user_items')
     user = current_user
-    all_status = !user.nil? && user.id.to_s == params[:user_id].to_s
+    all_status = !user.blank? && user.id.to_s == params[:user_id].to_s
     @products = Product.get_user_items(limit: 16, page: params[:page], user_id: params[:user_id], all_status: all_status)
   end
 
   def search
     add_breadcrumb "Search results", url_for(action: 'search')
-    if params[:keyword].nil?
+    if params[:keyword].blank?
       redirect_to products_path
     end
     search = Product.search do

venshop_app/app/models/product.rb

@@ -77,7 +77,7 @@ class Product < ActiveRecord::Base
     query = Product.select('id, name, image_medium, price, price_currency')
       .where(availability: 'instock')
       .where(user_id: user_id)
-    if !options[:all_status]
+    unless options[:all_status]
       query = query.where(status: true)
     end
     query = query.paginate(:page => page, :per_page => limit).order('created_at DESC').order('updated_at DESC').order('name')

venshop_app/app/models/product_category.rb

 class ProductCategory < ActiveRecord::Base
-	has_many :product
+	has_many :products
 end

venshop_app/app/models/user.rb

 class User < ActiveRecord::Base
-  has_many :product
+  has_many :products
   before_save { self.email = email.downcase }
   before_create :create_remember_token
   validates :name, presence: true, length: { maximum: 50 }

venshop_app/app/views/products/show.html.erb

@@ -3,7 +3,7 @@
   <h2 class="sprite-2"><%= @product.name %><span class="sprite-2"></span></h2>
   <div class="text-justify product-detail">
     <div id="block-message-visible" class="hidden"></div>
-    <% if !@product.status %>
+    <% unless @product.status %>
     <div class="alert alert-danger">
       <p class="text-center">This product is only visible to you.</p>
     </div>

venshop_app/app/views/shared/_grid.html.erb

           <%
-          if items.nil? || items.empty?
+          if items.blank?
             if params[:action] != 'search'
           %>
             <p>No products available.</p>

venshop_app/spec/requests/search_pages_spec.rb

 require 'sunspot'
 require 'sunspot_matchers'
-require 'rspec'
 require 'spec_helper'
 
 describe "Product Search" do