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# frozen_string_literal: true
module AutoMerge
class BaseService < ::BaseService
include Gitlab::Utils::StrongMemoize
include MergeRequests::AssignsMergeParams
def execute(merge_request)
ActiveRecord::Base.transaction do # rubocop: disable Database/MultipleDatabases
register_auto_merge_parameters!(merge_request)
yield if block_given?
end
notify(merge_request)
AutoMergeProcessWorker.perform_async(merge_request.id)
strategy.to_sym
rescue StandardError => e
track_exception(e, merge_request)
:failed
end
def update(merge_request)
assign_allowed_merge_params(merge_request, params.merge(auto_merge_strategy: strategy))
return :failed unless merge_request.save
strategy.to_sym
end
def cancel(merge_request)
ActiveRecord::Base.transaction do # rubocop: disable Database/MultipleDatabases
clear_auto_merge_parameters!(merge_request)
yield if block_given?
end
success
rescue StandardError => e
track_exception(e, merge_request)
error("Can't cancel the automatic merge", 406)
end
def abort(merge_request, reason)
ActiveRecord::Base.transaction do # rubocop: disable Database/MultipleDatabases
clear_auto_merge_parameters!(merge_request)
yield if block_given?
end
success
rescue StandardError => e
track_exception(e, merge_request)
error("Can't abort the automatic merge", 406)
end
def available_for?(merge_request)
strong_memoize("available_for_#{merge_request.id}") do
merge_request.can_be_merged_by?(current_user) &&
merge_request.mergeable_state?(skip_ci_check: true) &&
yield
end
end
##
# NOTE: This method is to be removed when `disallow_to_create_merge_request_pipelines_in_target_project`
# feature flag is removed.
def self.can_add_to_merge_train?(merge_request)
if Gitlab::Ci::Features.disallow_to_create_merge_request_pipelines_in_target_project?(merge_request.target_project)
merge_request.for_same_project?
else
true
end
end
def can_add_to_merge_train?(merge_request)
self.class.can_add_to_merge_train?(merge_request)
end
private
# Overridden in child classes
def notify(merge_request)
end
def strategy
strong_memoize(:strategy) do
self.class.name.demodulize.remove('Service').underscore
end
end
def register_auto_merge_parameters!(merge_request)
assign_allowed_merge_params(merge_request, params.merge(auto_merge_strategy: strategy))
merge_request.auto_merge_enabled = true
merge_request.merge_user = current_user
merge_request.save!
end
def clear_auto_merge_parameters!(merge_request)
merge_request.auto_merge_enabled = false
merge_request.merge_user = nil
merge_request.merge_params&.except!(
'should_remove_source_branch',
'commit_message',
'squash_commit_message',
'auto_merge_strategy'
)
merge_request.save!
end
def track_exception(error, merge_request)
Gitlab::ErrorTracking.track_exception(error, merge_request_id: merge_request&.id)
end
end
end
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