Module: ActiveRecord::Acts::Versioned::ActMethods::ClassMethods
- Defined in:
- lib/rtiss_acts_as_versioned.rb
Instance Method Summary collapse
-
#create_versioned_table(create_table_options = {}) ⇒ Object
Rake migration task to create the versioned table using options passed to acts_as_versioned.
-
#drop_versioned_table ⇒ Object
Rake migration task to drop the versioned table.
- #restore_deleted(id) ⇒ Object
- #restore_deleted_version(id, version) ⇒ Object
-
#versioned_class ⇒ Object
Returns an instance of the dynamic versioned model.
-
#versioned_columns ⇒ Object
Returns an array of columns that are versioned.
-
#without_locking(&block) ⇒ Object
Turns off optimistic locking for the duration of the block.
-
#without_revision(&block) ⇒ Object
Executes the block with the versioning callbacks disabled.
Instance Method Details
#create_versioned_table(create_table_options = {}) ⇒ Object
Rake migration task to create the versioned table using options passed to acts_as_versioned
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# File 'lib/rtiss_acts_as_versioned.rb', line 532 def create_versioned_table( = {}) # create version column in main table if it does not exist if !self.content_columns.find { |c| [version_column.to_s, 'lock_version'].include? c.name } self.connection.add_column table_name, version_column, :integer self.reset_column_information end return if connection.table_exists?(versioned_table_name) self.connection.create_table(versioned_table_name, ) do |t| t.column versioned_foreign_key, :integer t.column version_column, :integer t.column deleted_in_original_table_flag, :boolean, :default => false t.column record_restored_column, :integer, :default => nil end self.versioned_columns.each do |col| self.connection.add_column versioned_table_name, col.name, col.type, :limit => col.limit, :default => col.cast_type.type_cast_from_database(col.default), # convert strings to ruby types :scale => col.scale, :precision => col.precision end if type_col = self.columns_hash[inheritance_column] self.connection.add_column versioned_table_name, versioned_inheritance_column, type_col.type, :limit => type_col.limit, :default => type_col.cast_type.type_cast_from_database(type_col.default), # convert strings to ruby types :scale => type_col.scale, :precision => type_col.precision end #self.connection.add_index versioned_table_name, versioned_foreign_key end |
#drop_versioned_table ⇒ Object
Rake migration task to drop the versioned table
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# File 'lib/rtiss_acts_as_versioned.rb', line 568 def drop_versioned_table self.connection.drop_table versioned_table_name end |
#restore_deleted(id) ⇒ Object
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# File 'lib/rtiss_acts_as_versioned.rb', line 572 def restore_deleted(id) version_record = versioned_class.where("#{versioned_foreign_key} = #{id}").order("version DESC").first version_record.restore end |
#restore_deleted_version(id, version) ⇒ Object
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# File 'lib/rtiss_acts_as_versioned.rb', line 577 def restore_deleted_version(id, version) version_record = versioned_class.where("#{versioned_foreign_key} = #{id} and version = #{version}").first version_record.restore end |
#versioned_class ⇒ Object
Returns an instance of the dynamic versioned model
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# File 'lib/rtiss_acts_as_versioned.rb', line 527 def versioned_class const_get versioned_class_name end |
#versioned_columns ⇒ Object
Returns an array of columns that are versioned. See non_versioned_columns
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# File 'lib/rtiss_acts_as_versioned.rb', line 522 def versioned_columns @versioned_columns ||= columns.select { |c| !non_versioned_columns.include?(c.name) } end |
#without_locking(&block) ⇒ Object
Turns off optimistic locking for the duration of the block
Foo.without_locking do
@foo.save
end
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# File 'lib/rtiss_acts_as_versioned.rb', line 610 def without_locking(&block) current = ActiveRecord::Base.lock_optimistically ActiveRecord::Base.lock_optimistically = false if current begin block.call ensure ActiveRecord::Base.lock_optimistically = true if current end end |
#without_revision(&block) ⇒ Object
Executes the block with the versioning callbacks disabled.
Foo.without_revision do
@foo.save
end
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# File 'lib/rtiss_acts_as_versioned.rb', line 588 def without_revision(&block) class_eval do CALLBACKS.each do |attr_name| alias_method "orig_#{attr_name}".to_sym, attr_name alias_method attr_name, :empty_callback end end block.call ensure class_eval do CALLBACKS.each do |attr_name| alias_method attr_name, "orig_#{attr_name}".to_sym end end end |