2018-11-18 11:00:15 +05:30
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# frozen_string_literal: true
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2019-07-07 11:18:12 +05:30
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class LabelLink < ApplicationRecord
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2020-03-13 15:44:24 +05:30
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include BulkInsertSafe
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2016-08-24 12:49:21 +05:30
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include Importable
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2018-11-20 20:47:30 +05:30
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belongs_to :target, polymorphic: true, inverse_of: :label_links # rubocop:disable Cop/PolymorphicAssociations
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2014-09-02 18:07:02 +05:30
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belongs_to :label
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2016-08-24 12:49:21 +05:30
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validates :target, presence: true, unless: :importing?
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validates :label, presence: true, unless: :importing?
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2021-06-08 01:23:25 +05:30
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scope :for_target, -> (target_id, target_type) { where(target_id: target_id, target_type: target_type) }
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2021-12-11 22:18:48 +05:30
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# Example: Issues has at least one label within a project
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# > Issue.where(project_id: 100) # or any scope on issues
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# > .where(LabelLink.by_target_for_exists_query('Issue', Issue.arel_table[:id]).arel.exists)
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scope :by_target_for_exists_query, -> (target_type, arel_join_column, label_ids = nil) do
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relation = LabelLink
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.where(target_type: target_type)
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.where(arel_table['target_id'].eq(arel_join_column))
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relation = relation.where(label_id: label_ids) if label_ids
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relation
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end
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2014-09-02 18:07:02 +05:30
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end
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