Index solr

Gemfile

@@ -30,6 +30,7 @@ gem "figaro"
 gem 'will_paginate',           '3.0.7'
 gem 'bootstrap-will_paginate', '0.0.10'
 gem 'solr-ruby'
+gem 'rsolr', '~> 1.0.12'
 
 
 # Use ActiveModel has_secure_password

Gemfile.lock

@@ -127,6 +127,8 @@ GEM
     rdoc (4.2.0)
     responders (2.1.0)
       railties (>= 4.2.0, < 5)
+    rsolr (1.0.12)
+      builder (>= 2.1.2)
     sass (3.4.16)
     sass-rails (5.0.3)
       railties (>= 4.0.0, < 5.0)
@@ -185,6 +187,7 @@ DEPENDENCIES
   jquery-rails
   mysql2
   rails (= 4.2.2)
+  rsolr (~> 1.0.12)
   sass-rails (~> 5.0)
   sdoc (~> 0.4.0)
   solr-ruby

app/controllers/admin/products_controller.rb

 class Admin::ProductsController < ApplicationController
+  require 'net/http'
+  require 'uri'
+
   before_action :find_product, only: [:destroy, :edit,:update]
   before_action :get_categories, only: [:edit,:update, :new,:create]
   before_action :authenticate_admin!
@@ -11,6 +14,7 @@ class Admin::ProductsController < ApplicationController
 
   def destroy
     if @product.destroy
+      Solr.new.delete_solr_index_after_delete_product(params[:id])
       flash[:success] = "Delete product : Success"
     else
       flash[:danger] = "Delete product : Error - Product add to carts"
@@ -25,6 +29,7 @@ class Admin::ProductsController < ApplicationController
   def create
     @product = Product.new(product_params)
     if @product.save
+      Solr.new.create_solr_index_after_create_product(@product.id, @product.name, @product.price, @product.description)
       flash[:success] = "Create product : Success"
       redirect_to admin_products_path
     else
@@ -34,6 +39,7 @@ class Admin::ProductsController < ApplicationController
 
   def update
     if @product.update(product_params)
+      Solr.new.update_solr_index_after_import_product(params[:id], product_params[:name])
       flash[:success] = "Update product : Success"
       redirect_to admin_products_path
     else
@@ -50,4 +56,5 @@ class Admin::ProductsController < ApplicationController
   def get_categories
     @categories = Category.all
   end
+
 end

app/controllers/application_controller.rb

 require 'solr'
+require 'rsolr'
 class ApplicationController < ActionController::Base
   # Prevent CSRF attacks by raising an exception.
   # For APIs, you may want to use :null_session instead.
@@ -44,10 +45,15 @@ class ApplicationController < ActionController::Base
   end
 
   def find_product
-    if params[:id].to_i > (Product.count + 1)
-      redirect_to error_path
-    elsif is_number?(params[:id]) == false
+    if is_number?(params[:id]) == false
       redirect_to error_path
+    elsif !Product.exists?(params[:id])
+      flash[:danger] = "Product not found!"
+      if current_admin
+        redirect_to admin_products_path
+      else
+        redirect_to products_path
+      end
     else
       @product = Product.find(params[:id])
     end

app/controllers/search_controller.rb

@@ -13,16 +13,12 @@ class SearchController < ApplicationController
 
   def search
     @solr = Solr::Connection.new(Rails.configuration.solr_host.to_s, :autocommit => :on )
-    keyword = params[:keyword]
+    keyword = escape_characters_in_string(params[:keyword])
     query = "((name:#{keyword}))"
     select_obj = Solr::Request::Select.new(nil, {'q' => query, 'wt' => "xml", 'rows' => 2000, 'indent' => true})
-    if keyword.index( /[^[:alnum:]]/ ) == nil
-      @result_total = @solr.send(select_obj)
-      @result_products = get_result_solr(@result_total)
-      @products = get_products(@result_products)
-    else
-       @products = []
-    end
+    @result_total = @solr.send(select_obj)
+    @result_products = get_result_solr(@result_total)
+    @products = get_products(@result_products)
   end
 
   private
@@ -40,4 +36,9 @@ class SearchController < ApplicationController
     return products
   end
 
+  def escape_characters_in_string(keyword)
+    pattern = /(\+|\-|\&|\||\!|\(|\)|\{|\}|\[|\]|\^|\"|\~|\*|\?|\:|\\)/
+    return keyword.gsub(pattern){|match|"\\"  + match}
+  end
+
 end

app/models/product.rb

 class Product < ActiveRecord::Base
-
   default_scope -> { order(created_at: :desc) }
 
   belongs_to :category
@@ -16,7 +15,6 @@ class Product < ActiveRecord::Base
   before_destroy :ensure_not_referenced_by_any_cart_product
   before_save :convert_data_product
 
-
   def self.search(keyword)
     Product.where("name like ?", "%#{keyword}%" )
   end

app/views/admin/products/_product.html.erb

@@ -4,7 +4,7 @@
   <td><%= number_to_currency(product.price/100.00) %></td>
   <td><%= image_tag(product.image, alt: product.name, style: 'height: 50px') %></td>
   <td><%= Category.find(product.category_id).name %> </td>
-  <th><%= link_to "Delete",  admin_product_path(id: product.id), method: :delete, data: { confirm: 'Are you sure?' } %>
+  <th><%= link_to "Delete", admin_product_path(id: product.id), method: :delete, data: { confirm: 'Are you sure?' } %>
     <%= link_to "Edit", edit_admin_product_path(id: product.id) %>
   </th>
 </tr>

lib/solr.rb

+class Solr
+
+  def initialize
+    @solr = RSolr.connect :url => Rails.configuration.solr_host.to_s
+  end
+
+  def update_solr_index_after_import_product(id, name)
+    %x{curl 'localhost:8080/solr/core0/update?commit=true' -H 'Content-type:application/json' -d '[{"id":"#{id}","name":{"set":"#{name}"}}]'}
+  end
+
+  def delete_solr_index_after_delete_product(id)
+    @solr.delete_by_id id
+    @solr.commit
+    @solr.optimize
+  end
+
+  def create_solr_index_after_create_product(id, name, price, description)
+    doc = [{:id => id,:name => name, :price => price, :description => description}]
+    @solr.add doc
+    @solr.commit
+    @solr.optimize
+  end
+
+end
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