gitlab-ce/app/models/description_version.rb

60 lines
1.2 KiB
Ruby

# frozen_string_literal: true
class DescriptionVersion < ApplicationRecord
include FromUnion
attr_accessor :preloaded_issuable
belongs_to :issue
belongs_to :merge_request
belongs_to :namespace
validates :namespace, presence: true
validate :exactly_one_issuable
before_validation :ensure_namespace_id
delegate :resource_parent, to: :issuable
def self.issuable_attrs
%i[issue merge_request].freeze
end
def issuable
return preloaded_issuable if preloaded_issuable
issue || merge_request
end
private
def parent_namespace_id
case issuable
when Issue
issuable.namespace_id
when MergeRequest
issuable.project.project_namespace_id
end
end
def ensure_namespace_id
return if namespace_id && namespace_id > 0
self.namespace_id = parent_namespace_id
end
def exactly_one_issuable
issuable_count = self.class.issuable_attrs.count { |attr| self["#{attr}_id"] }
if issuable_count != 1
errors.add(
:base,
_("Exactly one of %{attributes} is required") %
{ attributes: self.class.issuable_attrs.join(', ') }
)
end
end
end
DescriptionVersion.prepend_mod