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# frozen_string_literal: true
module Ci
class ProcessSyncEventsService
include Gitlab::Utils::StrongMemoize
include ExclusiveLeaseGuard
BATCH_SIZE = 1000
def initialize(sync_event_class, sync_class)
@sync_event_class = sync_event_class
@sync_class = sync_class
end
def execute
return unless ::Feature.enabled?(:ci_namespace_project_mirrors, default_enabled: :yaml)
# preventing parallel processing over the same event table
try_obtain_lease { process_events }
enqueue_worker_if_there_still_event
end
private
def process_events
events = @sync_event_class.preload_synced_relation.first(BATCH_SIZE)
return if events.empty?
first = events.first
last_processed = nil
begin
events.each do |event|
@sync_class.sync!(event)
last_processed = event
end
ensure
# remove events till the one that was last succesfully processed
@sync_event_class.id_in(first.id..last_processed.id).delete_all if last_processed
end
end
def enqueue_worker_if_there_still_event
@sync_event_class.enqueue_worker if @sync_event_class.exists?
end
def lease_key
"#{super}::#{@sync_event_class}"
end
def lease_timeout
1.minute
end
end
end
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