66 lines
2.3 KiB
Ruby
66 lines
2.3 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 SummaryMessageConsolidator
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def self.process
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SummaryMessageConsolidator.new.process
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end
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def initialize(n=nil)
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@logger = Rails.logger
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end
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def process
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batch_ids = delayed_message_batch_ids
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dm_id_batches = batch_ids.map do |batch_id|
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dm_ids = delayed_message_ids_for_batch(batch_id)
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@logger.info("Scheduled summary with #{dm_ids.length} messages for communication channel id #{batch_id['communication_channel_id']} and root account id #{batch_id['root_account_id'] || 'null'}")
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dm_ids
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end
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dm_id_batches.in_groups_of(Setting.get('summary_message_consolidator_batch_size', '500').to_i, false) do |batches|
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DelayedMessage.where(:id => batches.flatten).
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update_all(:batched_at => Time.now.utc, :workflow_state => 'sent', :updated_at => Time.now.utc)
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Delayed::Batch.serial_batch do
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batches.each do |dm_ids|
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DelayedMessage.send_later_enqueue_args(:summarize, { :priority => Delayed::LOWER_PRIORITY }, dm_ids)
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end
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end
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end
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dm_id_batches.size
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end
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def delayed_message_batch_ids
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Shackles.activate(:slave) do
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DelayedMessage.connection.select_all(
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DelayedMessage.scoped.select('communication_channel_id').select('root_account_id').uniq.
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where("workflow_state = ? AND send_at <= ?", 'pending', Time.now.to_s(:db)).
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to_sql)
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end
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end
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def delayed_message_ids_for_batch(batch)
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DelayedMessage.
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where("workflow_state = ? AND send_at <= ?", 'pending', Time.now.to_s(:db)).
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where(batch). # hash condition will properly handle the case where root_account_id is null
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all.map(&:id)
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end
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end
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