CHANGELOG MIT-LICENSE README RUNNING_UNIT_TESTS Rakefile test/abstract_unit.rb test/connections/native_db2/connection.rb test/connections/native_mysql/connection.rb test/connections/native_oci/connection.rb test/connections/native_postgresql/connection.rb test/connections/native_sqlite/connection.rb test/connections/native_sqlite3/connection.rb test/connections/native_sqlserver/connection.rb test/connections/native_sqlserver_odbc/connection.rb test/fixtures/activerecord_paranoid.sqlite test/fixtures/categories.yml test/fixtures/categories_widgets.yml test/fixtures/db_definitions/postgresql.drop.sql test/fixtures/db_definitions/postgresql.sql test/fixtures/db_definitions/sqlite.drop.sql test/fixtures/db_definitions/sqlite.sql test/fixtures/widgets.yml test/paranoid_test.rb test/tests.rb @@ -1,15 +1,44 @@ -module ActiveRecord +module ActiveRecord #:nodoc: module Acts #:nodoc: + # Overrides some basic methods for the current model so that calling #destroy sets a 'deleted_at' field to the current timestamp. + # This assumes the table has a deleted_at date/time field. Most normal model operations will work, but there will be some oddities. + # + # class Widget < ActiveRecord::Base + # acts_as_paranoid + # end + # + # Widget.find(:all) + # # SELECT * FROM widgets WHERE widgets.deleted_at IS NULL + # + # Widget.find(:first, :conditions => ['title = ?', 'test'], :order => 'title') + # # SELECT * FROM widgets WHERE widgets.deleted_at IS NULL AND title = 'test' ORDER BY title LIMIT 1 + # + # Widget.find_with_deleted(:all) + # # SELECT * FROM widgets + # + # Widget.count + # # SELECT COUNT(*) FROM widgets WHERE widgets.deleted_at IS NULL + # + # Widget.count ['title = ?', 'test'] + # # SELECT COUNT(*) FROM widgets WHERE widgets.deleted_at IS NULL AND title = 'test' + # + # Widget.count_with_deleted + # # SELECT COUNT(*) FROM widgets + # + # @widget.destroy + # # UPDATE widgets SET deleted_at = '2005-09-17 17:46:36' WHERE id = 1 + # + # @widget.destroy! + # # DELETE FROM widgets WHERE id = 1 module Paranoid def self.included(base) # :nodoc: base.extend ClassMethods end - # Specify this act module ClassMethods def acts_as_paranoid class_eval do - alias_method :destroy!, :destroy + alias_method :destroy_without_callbacks!, :destroy_without_callbacks class << self alias_method :find_with_deleted, :find alias_method :count_with_deleted, :count @@ -18,38 +47,50 @@ module ActiveRecord end end end - end - module ParanoidMethods #:nodoc: - def self.included(base) # :nodoc: - base.extend ClassMethods - end + module ParanoidMethods #:nodoc: + def self.included(base) # :nodoc: + base.extend ClassMethods + end - module ClassMethods - def find(*args) - if [:all, :first].include?(args.first) - constrain = "#{table_name}.deleted_at IS NULL" - constrains = (scope_constrains.nil? or scope_constrains[:conditions].nil? or scope_constrains[:conditions] == constrain) ? - constrain : - "#{scope_constrains[:conditions]} AND #{constrain}" - constrain(:conditions => constrains) { return find_with_deleted(*args) } + module ClassMethods + # + def find(*args) + if [:all, :first].include?(args.first) + constrain = "#{table_name}.deleted_at IS NULL" + constrains = (scope_constrains.nil? or scope_constrains[:conditions].nil? or scope_constrains[:conditions] == constrain) ? + constrain : + "#{scope_constrains[:conditions]} AND #{constrain}" + constrain(:conditions => constrains) { return find_with_deleted(*args) } + end + find_with_deleted(*args) end - find_with_deleted(*args) - end - def count(conditions = nil, joins = nil) - constrain(:conditions => "#{table_name}.deleted_at IS NULL") { count_with_deleted(conditions, joins) } + def count(conditions = nil, joins = nil) + constrain(:conditions => "#{table_name}.deleted_at IS NULL") { count_with_deleted(conditions, joins) } + end end - end - def destroy - unless new_record? - sql = self.class.send(:sanitize_sql, - ["UPDATE #{self.class.table_name} SET deleted_at = ? WHERE id = ?", - self.class.default_timezone == :utc ? Time.now.utc : Time.now, id]) - self.connection.update(sql) + def destroy_without_callbacks + unless new_record? + sql = self.class.send(:sanitize_sql, + ["UPDATE #{self.class.table_name} SET deleted_at = ? WHERE id = ?", + self.class.default_timezone == :utc ? Time.now.utc : Time.now, id]) + self.connection.update(sql) + end + freeze + end + + def destroy_with_callbacks! + return false if callback(:before_destroy) == false + result = destroy_without_callbacks! + callback(:after_destroy) + result + end + + def destroy! + transaction { destroy_with_callbacks! } end - freeze end end end @@ -57,11 +98,4 @@ end ActiveRecord::Base.class_eval do include ActiveRecord::Acts::Paranoid -end - -#ActiveRecord::Associations::HasAndBelongsToManyAssociation.class_eval do -# alias_method :find_with_deleted, :find -# def find(*args) -# constrain(:conditions => "#{@join_table}.deleted_at IS NULL") { find_with_deleted(*args) } -# end -#end \ No newline at end of file +end \ No newline at end of file lib/acts_as_paranoid.rb 0355a91625eeb3f0ce1e48083c6698aedf8eed70 technoweenie technoweenie@567b1171-46fb-0310-a4c9-b4bef9110e78 http://github.com/ooochie/acts_as_paranoid/commit/f62f28d511c1103899e30d804061841531af34ea f62f28d511c1103899e30d804061841531af34ea 2005-09-17T15:57:36-07:00 2005-09-17T15:57:36-07:00 finished acts_as_paranoid w/ rdocs and tests git-svn-id: http://svn.techno-weenie.net/projects/acts_as_paranoid@85 567b1171-46fb-0310-a4c9-b4bef9110e78 4e2ff5fe95071a26b181cbd5cbc45475b435d669 technoweenie technoweenie@567b1171-46fb-0310-a4c9-b4bef9110e78