86 lines
2.2 KiB
Ruby
86 lines
2.2 KiB
Ruby
#
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# Copyright (C) 2016 - present 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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module SupportHelpers
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class Fixer
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attr_reader :job_id
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def initialize(email, after_time = nil)
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@email = email
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@start_time = 0
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@after_time = after_time || 2.months.ago
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@job_id = Time.now.to_i + Random.rand(1000) # just need something unique
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@prefix ||= nil
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end
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def monitor_and_fix
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@start_time = Time.now
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fix # actually do it
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notify "Success", success_message
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rescue => error
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notify "Error", error_message(error)
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raise error
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end
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def fix
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raise "#{self.class.name} must implement #fix"
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end
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def fixer_name
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[@prefix, self.class.name.demodulize, "##{job_id}"].compact.join(' ')
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end
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private
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def elapsed_time
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return 0 unless @start_time
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(Time.now - @start_time).to_i
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end
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def success_message
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"#{fixer_name} done in #{elapsed_time} seconds!"
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end
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def error_message(error)
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message = error.try(:message)
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backtrace = error.try(:backtrace).try(:join, "<br/>")
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"#{fixer_name} failed because #{message}<br/><br/>#{backtrace}"
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end
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def notify(status, message)
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m = Message.new(
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to: @email,
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from: mail_from,
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subject: mail_subject(status),
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body: message,
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delay_for: 0
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)
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Mailer.create_message(m).deliver_now rescue nil # omg! just ignore delivery failures
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end
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def mail_from
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'supporthelperscript@instructure.com'
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end
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def mail_subject(status)
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"#{@prefix}Fixer #{status}"
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end
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end
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end
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