39 lines
951 B
Ruby
39 lines
951 B
Ruby
# frozen_string_literal: true
|
|
|
|
class IssueLink < ApplicationRecord
|
|
include FromUnion
|
|
|
|
belongs_to :source, class_name: 'Issue'
|
|
belongs_to :target, class_name: 'Issue'
|
|
|
|
validates :source, presence: true
|
|
validates :target, presence: true
|
|
validates :source, uniqueness: { scope: :target_id, message: 'is already related' }
|
|
validate :check_self_relation
|
|
|
|
scope :for_source_issue, ->(issue) { where(source_id: issue.id) }
|
|
scope :for_target_issue, ->(issue) { where(target_id: issue.id) }
|
|
|
|
TYPE_RELATES_TO = 'relates_to'
|
|
TYPE_BLOCKS = 'blocks'
|
|
TYPE_IS_BLOCKED_BY = 'is_blocked_by'
|
|
|
|
enum link_type: { TYPE_RELATES_TO => 0, TYPE_BLOCKS => 1, TYPE_IS_BLOCKED_BY => 2 }
|
|
|
|
def self.inverse_link_type(type)
|
|
type
|
|
end
|
|
|
|
private
|
|
|
|
def check_self_relation
|
|
return unless source && target
|
|
|
|
if source == target
|
|
errors.add(:source, 'cannot be related to itself')
|
|
end
|
|
end
|
|
end
|
|
|
|
IssueLink.prepend_if_ee('EE::IssueLink')
|