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90 lines
3.1 KiB
90 lines
3.1 KiB
#-- encoding: UTF-8
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#-- copyright
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# OpenProject is a project management system.
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# Copyright (C) 2012-2015 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) 2006-2013 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_relative 'migration_utils/utils'
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class DeleteFormerDeletedPlanningElements < ActiveRecord::Migration
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include Migration::Utils
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def up
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say_with_time_silently 'Remove deleted work packages and related journals' do
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delete_work_packages_marked_as_deleted
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end
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remove_column :work_packages, :deleted_at
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remove_column :work_package_journals, :deleted_at
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end
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def down
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add_column :work_packages, :deleted_at, :datetime
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add_column :work_package_journals, :deleted_at, :datetime
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end
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private
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def delete_work_packages_marked_as_deleted
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delete_ids_from_table('attachable_journals', 'journal_id', deleted_work_packages_journals_ids)
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delete_ids_from_table('customizable_journals', 'journal_id', deleted_work_packages_journals_ids)
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delete_ids_from_table('work_package_journals', 'journal_id', deleted_work_packages_journals_ids)
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delete_ids_from_table('journals', 'id', deleted_work_packages_journals_ids)
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delete_ids_from_table('work_packages', 'id', deleted_work_package_ids)
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end
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def delete_ids_from_table(table, id_column, ids)
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unless ids.empty?
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delete <<-SQL
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DELETE FROM #{table}
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WHERE #{id_column} IN (#{ids.join(', ')})
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SQL
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end
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end
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def deleted_work_package_ids
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return @deleted_work_package_ids if @deleted_work_package_ids
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result = select_all <<-SQL
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SELECT id FROM work_packages WHERE deleted_at IS NOT NULL
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SQL
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@deleted_work_package_ids = result.map { |r| r['id'] }
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end
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def deleted_work_packages_journals_ids
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return @deleted_work_packages_journals_ids if @deleted_work_packages_journals_ids
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result = select_all <<-SQL
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SELECT j.id
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FROM journals AS j
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JOIN work_packages AS w ON (j.journable_id = w.id AND j.journable_type = 'WorkPackage')
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WHERE w.deleted_at IS NOT NULL;
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SQL
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@deleted_work_packages_journals_ids = result.map { |r| r['id'] }
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end
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end
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