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89 lines
3.0 KiB
89 lines
3.0 KiB
#-- copyright
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# OpenProject is an open source project management software.
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# Copyright (C) 2012-2022 the OpenProject GmbH
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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 COPYRIGHT and LICENSE files for more details.
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#++
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class TzinfoTimeZones < ActiveRecord::Migration[6.1]
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def up
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zone_mappings = ActiveSupport::TimeZone
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.all
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.map do |tz|
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[
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[tz.name, tz.tzinfo.canonical_zone.name],
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# Some entries seem to already be in that format so we leave them unchanged
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[tz.tzinfo.canonical_zone.name, tz.tzinfo.canonical_zone.name]
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]
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end
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.flatten(1)
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migrate_user_time_zone(zone_mappings)
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migrate_default_time_zone(zone_mappings)
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end
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def down
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zone_mappings = ActiveSupport::TimeZone
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.all
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.map do |tz|
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[tz.tzinfo.canonical_zone.name, tz.name]
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end
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migrate_user_time_zone(zone_mappings)
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migrate_default_time_zone(zone_mappings)
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end
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protected
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def migrate_user_time_zone(mappings)
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execute <<~SQL.squish
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WITH source AS (
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SELECT id, settings || jsonb_build_object('time_zone', to_zone) settings
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FROM user_preferences
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LEFT JOIN (SELECT * FROM (#{Arel::Nodes::ValuesList.new(mappings).to_sql}) as t(from_zone, to_zone)) zones
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ON zones.from_zone = user_preferences.settings->>'time_zone'
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)
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UPDATE user_preferences sink
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SET settings = source.settings
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FROM source
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WHERE source.id = sink.id
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AND sink.settings->'time_zone' IS NOT NULL
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SQL
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end
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def migrate_default_time_zone(mappings)
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execute <<~SQL.squish
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WITH zones AS (
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SELECT * FROM (#{Arel::Nodes::ValuesList.new(mappings).to_sql}) as t(from_zone, to_zone)
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)
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UPDATE settings
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SET value = zones.to_zone
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FROM zones
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WHERE settings.name = 'user_default_timezone'
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AND settings.value = zones.from_zone
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SQL
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end
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end
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