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# frozen_string_literal: true
module Ci
class ProcessSyncEventsService
include ExclusiveLeaseGuard
BATCH_SIZE = 1000
def initialize(sync_event_class, sync_class)
@sync_event_class = sync_event_class
@sync_class = sync_class
@results = {}
end
def execute
# To prevent parallel processing over the same event table
try_obtain_lease { process_events }
enqueue_worker_if_there_still_event
@results
end
private
def process_events
add_result(estimated_total_events: @sync_event_class.upper_bound_count)
events = @sync_event_class.unprocessed_events.preload_synced_relation.first(BATCH_SIZE)
add_result(consumable_events: events.size)
return if events.empty?
processed_events = []
begin
events.each do |event|
@sync_class.sync!(event)
processed_events << event
end
ensure
add_result(processed_events: processed_events.size)
@sync_event_class.mark_records_processed(processed_events)
end
end
def enqueue_worker_if_there_still_event
@sync_event_class.enqueue_worker if @sync_event_class.unprocessed_events.exists?
end
def lease_key
"#{super}::#{@sync_event_class}"
end
def lease_timeout
1.minute
end
def add_result(result)
@results.merge!(result)
end
end
end
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