VietTH: Implement sorl callback to product

app/models/solr.rb → app/models/concerns/solr.rb

 module Solr extend ActiveSupport::Concern
+  included do
+    after_save :push_data_to_solr
+    after_destroy :remove_from_solr
+
+    # callbacks
+    def push_data_to_solr
+      self.class.rsolr.add(self.slice(*self.class.solr_fields))
+      self.class.rsolr.commit
+    end
+
+    def remove_from_solr
+      self.class.rsolr.delete_by_id(self[self.class.primary_key])
+      self.class.rsolr.commit
+    end
+  end
+
   module ClassMethods
-    attr_accessor :solr_per_page, :solr_page, :solr_total_count
+    attr_accessor :solr_per_page, :solr_page, :solr_total_count, :solr_fields
 
     def solr_options(fields = {})
       @solr_per_page = fields[:per_page] || 5
+      @solr_fields = fields[:fields] || []
     end
 
     def search(query, options = {})
@@ -34,6 +51,5 @@ module Solr extend ActiveSupport::Concern
     def kaminari_paginate
       Kaminari.paginate_array([], total_count: solr_total_count).page(solr_page).per(solr_per_page)
     end
-
   end
 end
\ No newline at end of file

app/models/product.rb

@@ -17,5 +17,5 @@ class Product < ActiveRecord::Base
 
   mount_uploader :image, ImageUploader
 
-  solr_options per_page: 2
+  solr_options per_page: 2, fields: [:id, :title]
 end