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
-
#load_tags(tag_list) ⇒ Object
Find existing tags or create non-existing tags.
- #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
233 234 235 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 233 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
262 263 264 265 266 267 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 262 def (context) variable_name = "@all_#{context.to_s.singularize}_list" return instance_variable_get(variable_name) if instance_variable_defined?(variable_name) && 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
271 272 273 274 275 276 277 278 279 280 281 282 283 284 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 271 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.order("max(#{tagging_table_name}.created_at)").group(group_columns) else scope.group("#{ActsAsTaggableOn::Tag.table_name}.#{ActsAsTaggableOn::Tag.primary_key}") end.to_a end |
#cached_tag_list_on(context) ⇒ Object
237 238 239 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 237 def cached_tag_list_on(context) self["cached_#{context.to_s.singularize}_list"] end |
#custom_contexts ⇒ Object
225 226 227 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 225 def custom_contexts @custom_contexts ||= [] end |
#grouped_column_names_for(object) ⇒ Object
all column names are necessary for PostgreSQL group clause
221 222 223 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 221 def grouped_column_names_for(object) self.class.grouped_column_names_for(object) end |
#is_taggable? ⇒ Boolean
229 230 231 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 229 def is_taggable? self.class.is_taggable? end |
#load_tags(tag_list) ⇒ Object
Find existing tags or create non-existing tags
334 335 336 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 334 def (tag_list) ActsAsTaggableOn::Tag.find_or_create_all_with_like_by_name(tag_list) end |
#process_dirty_object(context, new_list) ⇒ Object
309 310 311 312 313 314 315 316 317 318 319 320 321 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 309 def process_dirty_object(context,new_list) value = new_list.is_a?(Array) ? ActsAsTaggableOn::TagList.new(new_list) : 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
323 324 325 326 327 328 329 330 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 323 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
338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 338 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: = (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? , = - , - = & if .any? && [0....size] != index = .each_with_index { |_, i| break i unless [i] == [i] } # Update arrays of tag objects |= [index....size] |= [index....size] & # Order the array of tag objects to match the tag list = .map do |t| .find { |n| n.name.downcase == t.name.downcase } end.compact end 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 => ) 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
296 297 298 299 300 301 302 303 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 296 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
246 247 248 249 250 251 252 253 254 255 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 246 def tag_list_cache_on(context) variable_name = "@#{context.to_s.singularize}_list" if instance_variable_get(variable_name) instance_variable_get(variable_name) elsif cached_tag_list_on(context) && self.class.caching_tag_list_on?(context) instance_variable_set(variable_name, ActsAsTaggableOn::TagList.from(cached_tag_list_on(context))) else instance_variable_set(variable_name, ActsAsTaggableOn::TagList.new((context).map(&:name))) end end |
#tag_list_cache_set_on(context) ⇒ Object
241 242 243 244 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 241 def tag_list_cache_set_on(context) variable_name = "@#{context.to_s.singularize}_list" instance_variable_defined?(variable_name) && !instance_variable_get(variable_name).nil? end |
#tag_list_on(context) ⇒ Object
257 258 259 260 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 257 def tag_list_on(context) add_custom_context(context) tag_list_cache_on(context) end |
#tagging_contexts ⇒ Object
305 306 307 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 305 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
288 289 290 291 292 293 294 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 288 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 end |