Module: ActsAsTaggableOn::Taggable::Core
- Defined in:
- lib/acts_as_taggable_on/acts_as_taggable_on/core.rb
Defined Under Namespace
Modules: ClassMethods
Class Method Summary collapse
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.
Class Method Details
.included(base) ⇒ Object
3 4 5 6 7 8 9 10 11 12 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 3 def self.included(base) base.extend ActsAsTaggableOn::Taggable::Core::ClassMethods base.class_eval do attr_writer :custom_contexts after_save :save_tags end base.initialize_acts_as_taggable_on_core end |
Instance Method Details
#add_custom_context(value) ⇒ Object
244 245 246 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 244 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
273 274 275 276 277 278 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 273 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
282 283 284 285 286 287 288 289 290 291 292 293 294 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 282 def (context) tagging_table_name = ActsAsTaggableOn::Tagging.table_name opts = ["#{tagging_table_name}.context = ?", context.to_s] scope = .where(opts) if ActsAsTaggableOn::Utils.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
248 249 250 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 248 def cached_tag_list_on(context) self["cached_#{context.to_s.singularize}_list"] end |
#custom_contexts ⇒ Object
236 237 238 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 236 def custom_contexts @custom_contexts ||= [] end |
#grouped_column_names_for(object) ⇒ Object
all column names are necessary for PostgreSQL group clause
232 233 234 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 232 def grouped_column_names_for(object) self.class.grouped_column_names_for(object) end |
#is_taggable? ⇒ Boolean
240 241 242 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 240 def is_taggable? self.class.is_taggable? end |
#load_tags(tag_list) ⇒ Object
Find existing tags or create non-existing tags
344 345 346 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 344 def (tag_list) ActsAsTaggableOn::Tag.find_or_create_all_with_like_by_name(tag_list) end |
#process_dirty_object(context, new_list) ⇒ Object
319 320 321 322 323 324 325 326 327 328 329 330 331 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 319 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
333 334 335 336 337 338 339 340 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 333 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
348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 348 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, context) # 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 # Destroy old taggings: if .present? self.taggings.not_owned.by_context(context).destroy_all(tag_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
306 307 308 309 310 311 312 313 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 306 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
257 258 259 260 261 262 263 264 265 266 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 257 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
252 253 254 255 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 252 def tag_list_cache_set_on(context) variable_name = "@#{context.to_s.singularize}_list" instance_variable_defined?(variable_name) && instance_variable_get(variable_name) end |
#tag_list_on(context) ⇒ Object
268 269 270 271 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 268 def tag_list_on(context) add_custom_context(context) tag_list_cache_on(context) end |
#tagging_contexts ⇒ Object
315 316 317 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 315 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
298 299 300 301 302 303 304 |
# File 'lib/acts_as_taggable_on/acts_as_taggable_on/core.rb', line 298 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 |