Module: ActsAsTaggableOn::Taggable::Core::InstanceMethods
- Defined in:
- lib/acts_as_taggable_on/acts_as_taggable_on/core.rb
Instance Method Summary collapse
- #add_custom_context(value) ⇒ Object
- #all_tags_list_on(context) ⇒ Object
-
#all_tags_on(context) ⇒ Object
Returns all tags of a given context.
- #cached_tag_list_on(context) ⇒ Object
- #custom_contexts ⇒ Object
-
#grouped_column_names_for(object) ⇒ Object
all column names are necessary for PostgreSQL group clause.
- #is_taggable? ⇒ Boolean
- #process_dirty_object(context, new_list) ⇒ Object
- #reload(*args) ⇒ Object
- #save_tags ⇒ Object
- #set_tag_list_on(context, new_list) ⇒ Object
- #tag_list_cache_on(context) ⇒ Object
- #tag_list_cache_set_on(context) ⇒ Object
- #tag_list_on(context) ⇒ Object
- #tagging_contexts ⇒ Object
-
#tags_on(context) ⇒ Object
Returns all tags that are not owned of a given context.
Instance Method Details
#add_custom_context(value) ⇒ Object
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# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 205 def add_custom_context(value) custom_contexts << value.to_s unless custom_contexts.include?(value.to_s) or self.class.tag_types.map(&:to_s).include?(value.to_s) end |
#all_tags_list_on(context) ⇒ Object
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# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 228 def (context) variable_name = "@all_#{context.to_s.singularize}_list" return instance_variable_get(variable_name) if instance_variable_get(variable_name) instance_variable_set(variable_name, ActsAsTaggableOn::TagList.new((context).map(&:name)).freeze) end |
#all_tags_on(context) ⇒ Object
Returns all tags of a given context
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# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 237 def (context) tag_table_name = ActsAsTaggableOn::Tag.table_name tagging_table_name = ActsAsTaggableOn::Tagging.table_name opts = ["#{tagging_table_name}.context = ?", context.to_s] scope = .where(opts) if ActsAsTaggableOn::Tag.using_postgresql? group_columns = grouped_column_names_for(ActsAsTaggableOn::Tag) scope = scope.order("max(#{tagging_table_name}.created_at)").group(group_columns) else scope = scope.group("#{ActsAsTaggableOn::Tag.table_name}.#{ActsAsTaggableOn::Tag.primary_key}") end scope.all end |
#cached_tag_list_on(context) ⇒ Object
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# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 209 def cached_tag_list_on(context) self["cached_#{context.to_s.singularize}_list"] end |
#custom_contexts ⇒ Object
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# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 197 def custom_contexts @custom_contexts ||= [] end |
#grouped_column_names_for(object) ⇒ Object
all column names are necessary for PostgreSQL group clause
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# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 193 def grouped_column_names_for(object) self.class.grouped_column_names_for(object) end |
#is_taggable? ⇒ Boolean
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# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 201 def is_taggable? self.class.is_taggable? end |
#process_dirty_object(context, new_list) ⇒ Object
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# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 277 def process_dirty_object(context,new_list) value = new_list.is_a?(Array) ? new_list.join(', ') : new_list attrib = "#{context.to_s.singularize}_list" if changed_attributes.include?(attrib) # The attribute already has an unsaved change. old = changed_attributes[attrib] changed_attributes.delete(attrib) if (old.to_s == value.to_s) else old = tag_list_on(context).to_s changed_attributes[attrib] = old if (old.to_s != value.to_s) end end |
#reload(*args) ⇒ Object
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# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 291 def reload(*args) self.class.tag_types.each do |context| instance_variable_set("@#{context.to_s.singularize}_list", nil) instance_variable_set("@all_#{context.to_s.singularize}_list", nil) end super(*args) end |
#save_tags ⇒ Object
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# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 300 def tagging_contexts.each do |context| next unless tag_list_cache_set_on(context) # List of currently assigned tag names tag_list = tag_list_cache_on(context).uniq # Find existing tags or create non-existing tags: = ActsAsTaggableOn::Tag.find_or_create_all_with_like_by_name(tag_list) # Tag objects for currently assigned tags = (context) # Tag maintenance based on whether preserving the created order of tags if self.class.preserve_tag_order? # First off order the array of tag objects to match the tag list # rather than existing tags followed by new tags = tag_list.map{|l| .detect{|t| t.name.downcase == l.downcase}} # To preserve tags in the order in which they were added # delete all current tags and create new tags if the content or order has changed = ( == ? [] : ) = ( == ? [] : ) else # Delete discarded tags and create new tags = - = - end # Find taggings to remove: if .present? old_taggings = taggings.where(:tagger_type => nil, :tagger_id => nil, :context => context.to_s, :tag_id => ).all end # Destroy old taggings: if old_taggings.present? ActsAsTaggableOn::Tagging.destroy_all "#{ActsAsTaggableOn::Tagging.primary_key}".to_sym => old_taggings.map(&:id) end # Create new taggings: .each do |tag| taggings.create!(:tag_id => tag.id, :context => context.to_s, :taggable => self) end end true end |
#set_tag_list_on(context, new_list) ⇒ Object
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# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 264 def set_tag_list_on(context, new_list) add_custom_context(context) variable_name = "@#{context.to_s.singularize}_list" process_dirty_object(context, new_list) unless custom_contexts.include?(context.to_s) instance_variable_set(variable_name, ActsAsTaggableOn::TagList.from(new_list)) end |
#tag_list_cache_on(context) ⇒ Object
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# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 218 def tag_list_cache_on(context) variable_name = "@#{context.to_s.singularize}_list" instance_variable_get(variable_name) || instance_variable_set(variable_name, ActsAsTaggableOn::TagList.new((context).map(&:name))) end |
#tag_list_cache_set_on(context) ⇒ Object
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# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 213 def tag_list_cache_set_on(context) variable_name = "@#{context.to_s.singularize}_list" !instance_variable_get(variable_name).nil? end |
#tag_list_on(context) ⇒ Object
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# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 223 def tag_list_on(context) add_custom_context(context) tag_list_cache_on(context) end |
#tagging_contexts ⇒ Object
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# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 273 def tagging_contexts custom_contexts + self.class.tag_types.map(&:to_s) end |
#tags_on(context) ⇒ Object
Returns all tags that are not owned of a given context
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# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 256 def (context) scope = .where(["#{ActsAsTaggableOn::Tagging.table_name}.context = ? AND #{ActsAsTaggableOn::Tagging.table_name}.tagger_id IS NULL", context.to_s]) # when preserving tag order, return tags in created order # if we added the order to the association this would always apply scope = scope.order("#{ActsAsTaggableOn::Tagging.table_name}.id") if self.class.preserve_tag_order? scope.all end |