VietTH: Implement show category detail

Gemfile

@@ -66,4 +66,7 @@ gem 'carrierwave', '~> 0.10.0'
 gem 'mini_magick', '~> 3.8.1'
 
 # Background job
-gem 'sidekiq', '~> 3.4.1'
\ No newline at end of file
+gem 'sidekiq', '~> 3.4.1'
+
+# pagination
+gem 'kaminari', '~> 0.16.3'
\ No newline at end of file

Gemfile.lock

@@ -108,6 +108,9 @@ GEM
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
     json (1.8.3)
+    kaminari (0.16.3)
+      actionpack (>= 3.0.0)
+      activesupport (>= 3.0.0)
     kgio (2.9.3)
     launchy (2.4.3)
       addressable (~> 2.3)
@@ -249,6 +252,7 @@ DEPENDENCIES
   haml-rails (~> 0.9)
   jbuilder (~> 2.0)
   jquery-rails
+  kaminari (~> 0.16.3)
   letter_opener (~> 1.4.1)
   mini_magick (~> 3.8.1)
   mysql2
@@ -266,6 +270,3 @@ DEPENDENCIES
   unicorn
   vacuum (~> 1.3.0)
   web-console (~> 2.0)
-
-BUNDLED WITH
-   1.10.5

app/controllers/categories_controller.rb

+class CategoriesController < ApplicationController
+  before_action :set_category, only: [:show]
+
+  def show
+    @products = @category.products.page(params[:page])
+  end
+
+  private
+  def set_category
+    @category = Category.find_by(id: params[:id])
+  end
+
+end
\ No newline at end of file

app/views/categories/_newest.html.haml

-= render products
+= render products, show_price: true

app/views/categories/show.html.haml

+%h3.title
+  = @category.decorate.title
+.module
+  #category-items.products-list-detail
+    = render @products
+    .pagination
+      = paginate @products
\ No newline at end of file

app/views/products/_product.html.haml

@@ -5,7 +5,8 @@
   .col-md-9
     .product-title
       = link_to product.title, product_path(product)
-  .col-md-2
-    .product-price
-      Price:
-      = product.decorate.price
\ No newline at end of file
+  - if local_assigns.has_key?(:show_price) && show_price.present?
+    .col-md-2
+      .product-price
+        Price:
+        = product.decorate.price
\ No newline at end of file

config/initializers/kaminari_config.rb

+Kaminari.configure do |config|
+  config.default_per_page = 5
+  # config.max_per_page = nil
+  # config.window = 4
+  # config.outer_window = 0
+  # config.left = 0
+  # config.right = 0
+  # config.page_method_name = :page
+  # config.param_name = :page
+end