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74 lines
2.6 KiB
74 lines
2.6 KiB
#-- copyright
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# OpenProject is a project management system.
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# Copyright (C) 2012-2017 the OpenProject Foundation (OPF)
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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 doc/COPYRIGHT.rdoc for more details.
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#++
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require 'tasks/shared/legacy_attachment'
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class MigrateAttachmentsToCarrierWave < ActiveRecord::Migration[4.2]
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def up
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add_column_if_missing :attachments, :file, :string
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count = Attachment.count
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puts "Migrating #{count} attachments to CarrierWave."
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puts 'Depending on your configuration this can take a while.
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Especially if files are uploaded to S3.'.squish
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Attachment.connection.schema_cache.clear!
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Attachment.reset_column_information # make sure new column is visible
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Attachment.all.each_with_index do |attachment, i|
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puts "Migrating attachment #{i + 1}/#{count} (#{attachment.disk_filename})"
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migrate_attachment attachment
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end
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puts 'Attachment migration complete.'
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end
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def down
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count = Attachment.count
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puts "Rolling back #{count} attachments from CarrierWave to legacy file-based storage."
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puts 'Depending on your configuration this can take a while.
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Especially if files are downloaded from S3.'.squish
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Attachment.all.each_with_index do |attachment, i|
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puts "Migrating attachment #{i + 1}/#{count} (#{attachment.file.path})"
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rollback_attachment attachment
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end
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remove_column :attachments, :file
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end
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##
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# Adds a column to the a table unless the column already exists.
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def add_column_if_missing(table, column, type)
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add_column table, column, type unless column_exists?(table, column, type)
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end
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include Tasks::Shared::LegacyAttachment
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end
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