diff options
Diffstat (limited to 'app/models/label_link.rb')
| -rw-r--r-- | app/models/label_link.rb | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/app/models/label_link.rb b/app/models/label_link.rb index 4fb5fd8c58a..d326b07ad31 100644 --- a/app/models/label_link.rb +++ b/app/models/label_link.rb @@ -11,4 +11,16 @@ class LabelLink < ApplicationRecord validates :label, presence: true, unless: :importing? scope :for_target, -> (target_id, target_type) { where(target_id: target_id, target_type: target_type) } + + # Example: Issues has at least one label within a project + # > Issue.where(project_id: 100) # or any scope on issues + # > .where(LabelLink.by_target_for_exists_query('Issue', Issue.arel_table[:id]).arel.exists) + scope :by_target_for_exists_query, -> (target_type, arel_join_column, label_ids = nil) do + relation = LabelLink + .where(target_type: target_type) + .where(arel_table['target_id'].eq(arel_join_column)) + + relation = relation.where(label_id: label_ids) if label_ids + relation + end end |