chris tags update

lib/orbit_tag.rb

@@ -0,0 +1,3 @@
+# require "action_view"
+
+require "orbit_tag/taggable"

lib/orbit_tag/taggable.rb

@@ -0,0 +1,77 @@
+module OrbitTag
+  module Taggable
+    extend ActiveSupport::Concern
+
+    module ClassMethods
+
+      def taggable
+        init_tag
+      end
+
+      private
+
+      def init_tag
+        class_eval do
+          field :tags_to_destroy, 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 tags
+            self.taggings.blank? ? [] : self.taggings.map{|t| t.tag}
+          end
+
+          def tags=(tag_ids)
+            tag_ids = [tag_ids].flatten
+            tag_ids.delete('')
+            ids = self.taggings.blank? ? [] : self.taggings.map{|t| t.tag.id}
+            tag_ids.each do |tag_id|
+              unless ids.include? tag_id
+                self.taggings.build(tag_id: tag_id)
+              end
+            end
+            self.tags_to_destroy = self.taggings.where(:tag_id.in => (ids - tag_ids)).map{|t| t.id}
+          end
+
+          def tag_ids
+            self.taggings.blank? ? [] : self.taggings.map{|t| t.tag.id}
+          end
+
+          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
+          end
+
+          private
+
+          def remove_taggings
+            self.taggings.where(:_id.in => self.tags_to_destroy).destroy
+            self.class.without_callback(:save, :after, :remove_taggings) do
+              self.update_attribute(:tags_to_destroy, [])
+            end
+          end
+        end
+      end
+
+    end
+
+  end
+
+  module Tagging
+    extend OrbitCoreLib::AppBackendUtility
+    def get_tags
+      @module_app ? @module_app.tags : Tag.all
+    end
+  end
+end