Module: ComfortableMexicanSofa::HasRevisions::InstanceMethods
- Defined in:
- lib/comfortable_mexican_sofa/extensions/has_revisions.rb
Instance Method Summary collapse
-
#create_revision ⇒ Object
Revision is created only if relevant data changed.
-
#prepare_revision ⇒ Object
Preparing revision data.
-
#restore_from_revision(revision) ⇒ Object
Assigning whatever is found in revision data and attemptint to save the object.
Instance Method Details
#create_revision ⇒ Object
Revision is created only if relevant data changed
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# File 'lib/comfortable_mexican_sofa/extensions/has_revisions.rb', line 43 def create_revision return unless self.revision_data # creating revision if ComfortableMexicanSofa.config.revisions_limit.to_i != 0 self.revisions.create!(:data => self.revision_data) end # blowing away old revisions ids = [0] + self.revisions.limit(ComfortableMexicanSofa.config.revisions_limit.to_i).collect(&:id) self.revisions.where('id NOT IN (?)', ids).destroy_all end |
#prepare_revision ⇒ Object
Preparing revision data. A bit of a special thing to grab page blocks
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# File 'lib/comfortable_mexican_sofa/extensions/has_revisions.rb', line 31 def prepare_revision return if self.new_record? if (self.respond_to?(:blocks_attributes_changed) && self.blocks_attributes_changed) || !(self.changed & revision_fields).empty? self.revision_data = revision_fields.inject({}) do |c, field| c[field] = self.send("#{field}_was") c end end end |
#restore_from_revision(revision) ⇒ Object
Assigning whatever is found in revision data and attemptint to save the object
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# File 'lib/comfortable_mexican_sofa/extensions/has_revisions.rb', line 57 def restore_from_revision(revision) return unless revision.record == self self.update_attributes!(revision.data) end |