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# frozen_string_literal: true
# Worker for updating any project specific caches.
class ProjectCacheWorker
include ApplicationWorker
include ExclusiveLeaseGuard
LEASE_TIMEOUT = 15.minutes.to_i
# project_id - The ID of the project for which to flush the cache.
# files - An Array containing extra types of files to refresh such as
# `:readme` to flush the README and `:changelog` to flush the
# CHANGELOG.
# statistics - An Array containing columns from ProjectStatistics to
# refresh, if empty all columns will be refreshed
def perform(project_id, files = [], statistics = [])
@project = Project.find_by(id: project_id)
return unless @project&.repository&.exists?
update_statistics(statistics)
@project.repository.refresh_method_caches(files.map(&:to_sym))
@project.cleanup
end
private
def update_statistics(statistics = [])
try_obtain_lease do
Rails.logger.info("Updating statistics for project #{@project.id}")
@project.statistics.refresh!(only: statistics.to_a.map(&:to_sym))
end
end
def lease_timeout
LEASE_TIMEOUT
end
def lease_key
"project_cache_worker:#{@project.id}:update_statistics"
end
end
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