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Contents
module Pageflow
# RevisionComponent represents a model that is attached to the revision
# mechanism of Pageflow.
#
# In order to be used as a ComponentModel a model is required to
# have an integer field `perma_id` and a belongs_to field `revision`.
module RevisionComponent
extend ActiveSupport::Concern
included do
belongs_to :revision, class_name: 'Pageflow::Revision'
before_save :ensure_perma_id
end
def copy_to(revision)
record = dup
record.revision = revision
record.save!
end
def ensure_perma_id
self.perma_id ||= (self.class.maximum(:perma_id) || 0) + 1
end
module ClassMethods
def all_for_revision(revision)
where(revision_id: revision.id)
end
def from_perma_ids(revision, perma_ids)
return [] if revision.blank? || perma_ids.blank?
perma_ids.map do |perma_id|
find_by_revision_id_and_perma_id(revision.id, perma_id)
end.compact
end
end
end
end
Version data entries
72 entries across 72 versions & 1 rubygems