46 lines
1.6 KiB
Ruby
46 lines
1.6 KiB
Ruby
# frozen_string_literal: true
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# Service class for getting and caching the number of forks of several projects
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# Warning: do not user this service with a really large set of projects
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# because the service use maps to retrieve the project ids
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module Projects
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class BatchForksCountService < Projects::BatchCountService
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def refresh_cache_and_retrieve_data
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count_services = @projects.map { |project| count_service.new(project) }
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values = Gitlab::Instrumentation::RedisClusterValidator.allow_cross_slot_commands do
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Rails.cache.fetch_multi(*(count_services.map { |ser| ser.cache_key } )) { |key| nil }
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end
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results_per_service = Hash[count_services.zip(values.values)]
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projects_to_refresh = results_per_service.select { |_k, value| value.nil? }
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projects_to_refresh = recreate_cache(projects_to_refresh)
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results_per_service.update(projects_to_refresh)
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results_per_service.transform_keys { |k| k.project }
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end
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# rubocop: disable CodeReuse/ActiveRecord
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def global_count
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@global_count ||= begin
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count_service.query(project_ids)
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.group(:forked_from_project_id)
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.count
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end
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end
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# rubocop: enable CodeReuse/ActiveRecord
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def count_service
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::Projects::ForksCountService
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end
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def recreate_cache(projects_to_refresh)
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projects_to_refresh.each_with_object({}) do |(service, _v), hash|
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count = global_count[service.project.id].to_i
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service.refresh_cache { count }
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hash[service] = count
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end
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end
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end
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end
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