78 lines
2.3 KiB
Ruby
78 lines
2.3 KiB
Ruby
# frozen_string_literal: true
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class AutoMergeService < BaseService
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include Gitlab::Utils::StrongMemoize
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STRATEGY_MERGE_WHEN_PIPELINE_SUCCEEDS = 'merge_when_pipeline_succeeds'
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STRATEGIES = [STRATEGY_MERGE_WHEN_PIPELINE_SUCCEEDS].freeze
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class << self
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def all_strategies_ordered_by_preference
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STRATEGIES
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end
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def get_service_class(strategy)
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return unless all_strategies_ordered_by_preference.include?(strategy)
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"::AutoMerge::#{strategy.camelize}Service".constantize
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end
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end
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def execute(merge_request, strategy = nil)
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strategy ||= preferred_strategy(merge_request)
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service = get_service_instance(merge_request, strategy)
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return :failed unless service&.available_for?(merge_request)
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service.execute(merge_request)
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end
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def update(merge_request)
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return :failed unless merge_request.auto_merge_enabled?
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strategy = merge_request.auto_merge_strategy
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get_service_instance(merge_request, strategy).update(merge_request)
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end
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def process(merge_request)
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return unless merge_request.auto_merge_enabled?
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strategy = merge_request.auto_merge_strategy
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get_service_instance(merge_request, strategy).process(merge_request)
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end
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def cancel(merge_request)
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return error("Can't cancel the automatic merge", 406) unless merge_request.auto_merge_enabled?
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strategy = merge_request.auto_merge_strategy
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get_service_instance(merge_request, strategy).cancel(merge_request)
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end
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def abort(merge_request, reason)
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return error("Can't abort the automatic merge", 406) unless merge_request.auto_merge_enabled?
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strategy = merge_request.auto_merge_strategy
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get_service_instance(merge_request, strategy).abort(merge_request, reason)
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end
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def available_strategies(merge_request)
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self.class.all_strategies_ordered_by_preference.select do |strategy|
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get_service_instance(merge_request, strategy).available_for?(merge_request)
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end
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end
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def preferred_strategy(merge_request)
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available_strategies(merge_request).first
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end
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private
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def get_service_instance(merge_request, strategy)
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strong_memoize("service_instance_#{merge_request.id}_#{strategy}") do
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self.class.get_service_class(strategy)&.new(project, current_user, params)
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end
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end
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end
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AutoMergeService.prepend_mod_with('AutoMergeService')
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