canvas-lms/app/models/delayed_notification.rb

109 lines
3.7 KiB
Ruby

# frozen_string_literal: true
#
# Copyright (C) 2011 - present Instructure, Inc.
#
# This file is part of Canvas.
#
# Canvas is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, version 3 of the License.
#
# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
#
class DelayedNotification < ActiveRecord::Base
include Workflow
belongs_to :asset, polymorphic:
[:assessment_request, :attachment, :content_migration, :content_export, :collaborator, :submission,
:assignment, :communication_channel, :calendar_event, :conversation_message, :discussion_entry,
:submission_comment, { quiz_submission: 'Quizzes::QuizSubmission' }, :discussion_topic, :course, :enrollment,
:wiki_page, :group_membership, :web_conference], polymorphic_prefix: true, exhaustive: false
include NotificationPreloader
attr_accessor :data
validates_presence_of :notification_id, :asset_id, :asset_type, :workflow_state
serialize :recipient_keys
workflow do
state :to_be_processed do
event :do_process, :transitions_to => :processed
end
state :processed
state :errored
end
def self.process(asset, notification, recipient_keys, data = {}, **kwargs)
# RUBY 2.7 this can go away (**{} will work at the caller)
raise ArgumentError, "Only send one hash" if !data&.empty? && !kwargs.empty?
data = kwargs if data&.empty? && !kwargs.empty?
DelayedNotification.new(
asset: asset,
notification: notification,
recipient_keys: recipient_keys,
data: data
).process
end
def process
res = []
if asset
iterate_to_list do |to_list_slice|
slice_res = notification.create_message(self.asset, to_list_slice, data: self.data)
res.concat(slice_res) if Rails.env.test?
end
end
self.do_process unless self.new_record?
res
rescue => e
Canvas::Errors.capture(e, message: "Delayed Notification processing failed")
logger.error "delayed notification processing failed: #{e.message}\n#{e.backtrace.join "\n"}"
self.workflow_state = 'errored'
self.save
[]
end
def iterate_to_list
lookups = {}
(recipient_keys || []).each do |key|
pieces = key.split('_')
id = pieces.pop
klass = pieces.join('_').classify.constantize
lookups[klass] ||= []
lookups[klass] << id
end
lookups.each do |klass, ids|
# notification_policies, and notification_policy_overrides are included in
# each of the preloads twice intentionally.
# rails de-dups them and only does one query, but if not included twice,
# they will not show as loaded against both objects.
includes = if klass == CommunicationChannel
[:notification_policies, :notification_policy_overrides, { user: [:pseudonyms, :notification_policies, :notification_policy_overrides] }]
elsif klass == User
[:pseudonyms, { communication_channels: [:notification_policies, :notification_policy_overrides] }, :notification_policies, :notification_policy_overrides]
else
[]
end
ids.each_slice(100) do |slice|
yield klass.where(:id => slice).preload(includes).to_a
end
end
end
scope :to_be_processed, lambda { |limit|
where(:workflow_state => 'to_be_processed').limit(limit).order("delayed_notifications.created_at")
}
end