104 lines
3.5 KiB
Ruby
104 lines
3.5 KiB
Ruby
# frozen_string_literal: true
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module Labels
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class PromoteService < BaseService
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BATCH_SIZE = 1000
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# rubocop: disable CodeReuse/ActiveRecord
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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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ProjectLabel.transaction do
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# use the existing group label if it exists
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group_label = find_or_create_group_label(label)
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label_ids_for_merge(group_label).find_in_batches(batch_size: BATCH_SIZE) do |batched_ids|
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update_old_label_relations(group_label, batched_ids)
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destroy_project_labels(batched_ids)
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end
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group_label
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end
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end
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# rubocop: enable CodeReuse/ActiveRecord
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private
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def update_old_label_relations(group_label, old_label_ids)
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update_issuables(group_label, old_label_ids)
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update_resource_label_events(group_label, old_label_ids)
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update_issue_board_lists(group_label, old_label_ids)
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update_priorities(group_label, old_label_ids)
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subscribe_users(group_label, old_label_ids)
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end
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# rubocop: disable CodeReuse/ActiveRecord
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def subscribe_users(group_label, label_ids)
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# users can be subscribed to multiple labels that will be merged into the group one
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# we want to keep only one subscription / user
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ids_to_update = Subscription.where(subscribable_id: label_ids, subscribable_type: 'Label')
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.group(:user_id)
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.pluck('MAX(id)')
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Subscription.where(id: ids_to_update).update_all(subscribable_id: group_label.id)
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end
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# rubocop: enable CodeReuse/ActiveRecord
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# rubocop: disable CodeReuse/ActiveRecord
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def label_ids_for_merge(group_label)
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LabelsFinder
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.new(current_user, title: group_label.title, group_id: project.group.id)
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.execute(skip_authorization: true)
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.where.not(id: group_label)
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.select(:id, :project_id, :group_id, :type) # Can't use pluck() to avoid object-creation because of the batching
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end
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# rubocop: enable CodeReuse/ActiveRecord
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# rubocop: disable CodeReuse/ActiveRecord
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def update_issuables(group_label, label_ids)
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LabelLink
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.where(label: label_ids)
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.update_all(label_id: group_label.id)
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end
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# rubocop: enable CodeReuse/ActiveRecord
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# rubocop: disable CodeReuse/ActiveRecord
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def update_resource_label_events(group_label, label_ids)
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ResourceLabelEvent
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.where(label: label_ids)
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.update_all(label_id: group_label.id)
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end
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# rubocop: enable CodeReuse/ActiveRecord
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# rubocop: disable CodeReuse/ActiveRecord
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def update_issue_board_lists(group_label, label_ids)
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List
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.where(label: label_ids)
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.update_all(label_id: group_label.id)
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end
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# rubocop: enable CodeReuse/ActiveRecord
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# rubocop: disable CodeReuse/ActiveRecord
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def update_priorities(group_label, label_ids)
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LabelPriority
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.where(label: label_ids)
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.update_all(label_id: group_label.id)
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end
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# rubocop: enable CodeReuse/ActiveRecord
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# rubocop: disable CodeReuse/ActiveRecord
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def destroy_project_labels(label_ids)
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Label.where(id: label_ids).destroy_all # rubocop: disable Cop/DestroyAll
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end
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def find_or_create_group_label(label)
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params = label.attributes.slice('title', 'description', 'color')
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new_label = GroupLabel.create_with(params).find_or_initialize_by(group_id: project.group.id, title: label.title)
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new_label.save! unless new_label.persisted?
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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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Labels::PromoteService.prepend_mod_with('Labels::PromoteService')
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