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78 lines
2.3 KiB
78 lines
2.3 KiB
#-- encoding: UTF-8
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#-- copyright
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# OpenProject is an open source project management software.
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# Copyright (C) 2012-2020 the OpenProject GmbH
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License version 3.
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#
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# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
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# Copyright (C) 2006-2017 Jean-Philippe Lang
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# Copyright (C) 2010-2013 the ChiliProject Team
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# See docs/COPYRIGHT.rdoc for more details.
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#++
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module Cron
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class CronJob < ApplicationJob
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class_attribute :cron_expression
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# List of registered jobs, requires eager load in dev(!)
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class_attribute :registered_jobs, default: []
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class << self
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##
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# Register new job class(es)
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def register!(*job_classes)
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Array(job_classes).each do |clz|
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raise ArgumentError, "Needs to be subclass of ::Cron::CronJob" unless clz.ancestors.include?(self)
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registered_jobs << clz
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end
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end
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##
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# Ensure the job is scheduled unless it is already
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def ensure_scheduled!
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# Ensure scheduled only onced
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return if scheduled?
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Rails.logger.info { "Scheduling #{name} recurrent background job." }
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set(cron: cron_expression).perform_later
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end
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##
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# Remove the scheduled job, if any
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def remove
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delayed_job&.destroy
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end
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##
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# Is there a job scheduled?
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def scheduled?
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delayed_job.present?
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end
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def delayed_job
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Delayed::Job
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.where('handler LIKE ?', "%job_class: #{name}%")
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.first
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end
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end
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end
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end |