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# frozen_string_literal: true
module Branches
class DeleteMergedService < BaseService
def async_execute
DeleteMergedBranchesWorker.perform_async(project.id, current_user.id)
end
def execute
raise Gitlab::Access::AccessDeniedError unless can?(current_user, :push_code, project)
branches = project.repository.merged_branch_names
# Prevent deletion of branches relevant to open merge requests
branches -= merge_request_branch_names
# Prevent deletion of protected branches
branches = branches.reject { |branch| ProtectedBranch.protected?(project, branch) }
branches.each do |branch|
::Branches::DeleteService.new(project, current_user).execute(branch)
end
end
private
# rubocop: disable CodeReuse/ActiveRecord
def merge_request_branch_names
# reorder(nil) is necessary for SELECT DISTINCT because default scope adds an ORDER BY
source_names = project.origin_merge_requests.opened.reorder(nil).distinct.pluck(:source_branch)
target_names = project.merge_requests.opened.reorder(nil).distinct.pluck(:target_branch)
(source_names + target_names).uniq
end
# rubocop: enable CodeReuse/ActiveRecord
end
end
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