71 lines
2.3 KiB
Ruby
71 lines
2.3 KiB
Ruby
module Labels
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class PromoteService < BaseService
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BATCH_SIZE = 1000
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def execute(label)
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return unless project.group &&
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label.is_a?(ProjectLabel)
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Label.transaction do
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new_label = clone_label_to_group_label(label)
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label_ids_for_merge(new_label).find_in_batches(batch_size: BATCH_SIZE) do |batched_ids|
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update_issuables(new_label, batched_ids)
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update_issue_board_lists(new_label, batched_ids)
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update_priorities(new_label, batched_ids)
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# Order is important, project labels need to be last
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update_project_labels(batched_ids)
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end
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# We skipped validations during creation. Let's run them now, after deleting conflicting labels
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raise ActiveRecord::RecordInvalid.new(new_label) unless new_label.valid?
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new_label
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end
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end
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private
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def label_ids_for_merge(new_label)
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LabelsFinder.
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new(current_user, title: new_label.title, group_id: project.group.id).
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execute(skip_authorization: true).
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where.not(id: new_label).
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select(:id) # Can't use pluck() to avoid object-creation because of the batching
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end
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def update_issuables(new_label, label_ids)
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LabelLink.
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where(label: label_ids).
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update_all(label_id: new_label)
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end
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def update_issue_board_lists(new_label, label_ids)
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List.
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where(label: label_ids).
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update_all(label_id: new_label)
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end
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def update_priorities(new_label, label_ids)
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LabelPriority.
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where(label: label_ids).
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update_all(label_id: new_label)
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end
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def update_project_labels(label_ids)
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Label.where(id: label_ids).delete_all
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end
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def clone_label_to_group_label(label)
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params = label.attributes.slice('title', 'description', 'color')
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# Since the title of the new label has to be the same as the previous labels
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# and we're merging old labels in batches we'll skip validation to omit 2-step
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# merge process and do it in one batch
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# We'll be forcing validation at the end of the transaction to ensure everything
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# was merged correctly
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new_label = GroupLabel.new(params.merge(group: project.group))
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new_label.save(validate: false)
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new_label
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end
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end
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end
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