Add tagged_ids to taggable

lib/orbit_tag/taggable.rb

@@ -13,17 +13,35 @@ module OrbitTag
       def init_tag
         class_eval do
           field :tags_to_destroy, type: Array, default: []
+          field :tagged_ids, type: Array, default: []
 
           has_many :taggings, as: :taggable, autosave: true, dependent: :destroy
           accepts_nested_attributes_for :taggings, allow_destroy: true
           after_save :remove_taggings, unless: Proc.new{self.tags_to_destroy.blank?}
 
+          def remove_id(id)
+            self.class.without_callback(:save, :after, :remove_taggings) do
+              self.update_attribute(:tagged_ids, self.tagged_ids - [id.to_s])
+            end
+          end
+
+          def sorted_tags
+            if tags.blank?
+              []
+            else
+              tag_array = tags.inject([]){ |result, value|
+                result << [value.name, value]
+              }
+              tag_array.sort.map{|x| x[1] }
+            end
+          end
+
           def tags
-            self.taggings.blank? ? [] : self.taggings.map{|t| t.tag}
+            self.taggings.blank? ? [] : self.taggings.map{|t| t.tag}.compact
           end
 
           def tags=(tag_ids)
-            tag_ids = [tag_ids].flatten
+            ids = [tag_ids].flatten
             tag_ids.delete('')
             ids = self.taggings.blank? ? [] : self.taggings.map{|t| t.tag.id}
             tag_ids.each do |tag_id|
@@ -40,17 +58,9 @@ module OrbitTag
 
           def tag_ids=(ids)
             self.tags = ids
-          end
-
-          def sorted_tags
-            if tags.blank?
-              []
-            else
-              tag_array = tags.inject([]){ |result, value|
-                result << [value.name, value]
-              }
-              tag_array.sort.map{|x| x[1] }
-            end
+            ids = [ids].flatten
+            ids.delete('')
+            self.tagged_ids = ids
           end
 
           private