Refactor code

app/controllers/products_controller.rb

@@ -13,7 +13,7 @@ class ProductsController < ApplicationController
   def create
     @product = Product.new(product_params.merge(user_id: current_user.id))
     if @product.save
-      @solr.add_product_index(@product)
+      @solr.add_product(@product)
       redirect_to root_url, flash: { success: "Product #{@product.title} is sucessfully created" }
     else
       render 'new'
@@ -23,7 +23,7 @@ class ProductsController < ApplicationController
   # PATCH/PUT /products/1
   def update
     if @product.update(product_params)
-      @solr.update_product_index(@product)
+      @solr.update_product(@product)
       redirect_to root_url, flash: { success: "Product #{@product.title} is sucessfully updated" }
     else
       render 'edit'
@@ -34,7 +34,7 @@ class ProductsController < ApplicationController
   def destroy
     if @product.destroy
       flash[:success] = "Product #{@product.title} deleted"
-      @solr.delete_product_index(@product)
+      @solr.delete_product(@product)
     else
       flash[:alert] = "Product #{@product.title} can't be deleted"
     end

app/services/product_filter.rb

 class ProductFilter
-  def filter_product_title(title)
-    title.blank? ? 'title:*' : "title:#{RSolr.solr_escape(title)}"
+  def self.filter_search_query(query)
+    return '*' if query.blank?
+    filtered_query = RSolr.solr_escape(query)
+    filtered_query[/\D+/] == filtered_query ? "title:#{filtered_query}" : filtered_query
   end
 
-  def filter_suggest_keyword(keyword)
+  def self.filter_suggest_keyword(keyword)
     RSolr.solr_escape(keyword)
   end
 end
\ No newline at end of file

app/services/search.rb

@@ -5,7 +5,8 @@ class Search
 
   # Get matched products with keyword
   def products(search_query)
-    matched_products(ProductFilter.filter_product_title(search_query))
+    @products_indexes = @solr.exec_select_request(ProductFilter.filter_search_query(search_query))
+    matched_products(@products_indexes)
   end
 
   # Get suggested keywords

app/services/solr.rb

@@ -17,28 +17,28 @@ class Solr
     response['suggest']['productSuggester'][query]['suggestions']
   end
 
-  def add_products_indexes(products)
+  def add_products(products)
     rsolr.add products
   end
 
-  def update_product_index(product)
-    add_product_index(product)
-    delete_product_index(product)
+  def update_product(product)
+    add_product(product)
+    delete_product(product)
   end
 
-  def add_product_index(product)
+  def add_product(product)
     rsolr.add(id: product.id,
               title: product.title,
               price: product.price)
     rsolr.optimize
   end
 
-  def delete_product_index(product)
+  def delete_product(product)
     rsolr.delete_by_id product.id
     rsolr.optimize
   end
 
-  def delete_all_product_indexes
+  def delete_all_products
     rsolr.update(data: '<delete><query>*:*</query></delete>',
                  headers: { 'Content-Type' => 'text/xml',
                             'charset' => 'utf-8' })

lib/tasks/vs_solr.rake

@@ -7,11 +7,11 @@ namespace :vs_solr do
                     title: product.title,
                     price: product.price }
     end
-    Solr.new.add_products_indexes(products)
+    Solr.new.add_products(products)
   end
 
   desc 'Remove all index from Solr'
   task remove: :environment do
-    Solr.new.delete_all_product_indexes
+    Solr.new.delete_all_products
   end
 end