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docuseal/lib/submissions/ensure_combined_generated.rb

75 lines
2.0 KiB

# frozen_string_literal: true
module Submissions
module EnsureCombinedGenerated
WAIT_FOR_RETRY = 2.seconds
CHECK_EVENT_INTERVAL = 1.second
CHECK_COMPLETE_TIMEOUT = 90.seconds
KEY_PREFIX = 'combined_document'
WaitForCompleteTimeout = Class.new(StandardError)
NotCompletedYet = Class.new(StandardError)
module_function
def call(submitter)
return nil unless submitter
raise NotCompletedYet unless submitter.completed_at?
key = [KEY_PREFIX, submitter.id].join(':')
if ApplicationRecord.uncached { LockEvent.exists?(key:, event_name: :complete) }
return submitter.submission.combined_document_attachment
end
events = ApplicationRecord.uncached { LockEvent.where(key:).order(:id).to_a }
if events.present? && events.last.event_name.in?(%w[start retry])
wait_for_complete_or_fail(submitter)
else
LockEvent.create!(key:, event_name: events.present? ? :retry : :start)
result = Submissions::GenerateCombinedAttachment.call(submitter)
LockEvent.create!(key:, event_name: :complete)
result
end
rescue ActiveRecord::RecordNotUnique
sleep WAIT_FOR_RETRY
retry
rescue StandardError => e
Rollbar.error(e) if defined?(Rollbar)
Rails.logger.error(e)
LockEvent.create!(key:, event_name: :fail)
raise
end
def wait_for_complete_or_fail(submitter)
total_wait_time = 0
loop do
sleep CHECK_EVENT_INTERVAL
total_wait_time += CHECK_EVENT_INTERVAL
last_event =
ApplicationRecord.uncached do
LockEvent.where(key: [KEY_PREFIX, submitter.id].join(':')).order(:id).last
end
if last_event.event_name.in?(%w[complete fail])
break ApplicationRecord.uncached do
ActiveStorage::Attachment.find_by(record: submitter.submission, name: 'combined_document')
end
end
raise WaitForCompleteTimeout if total_wait_time > CHECK_COMPLETE_TIMEOUT
end
end
end
end