59 lines
1.6 KiB
Ruby
59 lines
1.6 KiB
Ruby
#
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# Copyright (C) 2011 Instructure, Inc.
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#
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# This file is part of Canvas.
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#
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# Canvas is free software: you can redistribute it and/or modify it under
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# the terms of the GNU Affero General Public License as published by the Free
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# Software Foundation, version 3 of the License.
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#
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# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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class MessageDispatcher < Delayed::PerformableMethod
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def self.dispatch(message)
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Delayed::Job.enqueue(self.new(message, :deliver),
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:run_at => message.dispatch_at)
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end
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def self.batch_dispatch(messages)
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return if messages.empty?
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if messages.size == 1
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self.dispatch(messages.first)
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return
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end
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dispatch_at = messages.first.dispatch_at
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Delayed::Job.enqueue(self.new(self, :deliver_batch, [messages]),
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:run_at => messages.first.dispatch_at)
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end
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# Called by delayed_job when a job fails to reschedule it.
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def reschedule_at(now, num_attempts)
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live_object.dispatch_at
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end
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protected
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def self.deliver_batch(messages)
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messages.each do |message|
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begin
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message.deliver
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rescue
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# this delivery failed, we'll have to make an individual job to retry
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self.dispatch(message)
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end
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end
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end
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end
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