obsolete.ChilliProject/db/migrate/098_set_topic_authors_as_wa...

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2011-10-29 16:19:11 +04:00
#-- encoding: UTF-8
#-- copyright
# ChiliProject is a project management system.
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#
# Copyright (C) 2010-2012 the ChiliProject Team
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#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
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#
# See doc/COPYRIGHT.rdoc for more details.
#++
class SetTopicAuthorsAsWatchers < ActiveRecord::Migration
def self.up
# Sets active users who created/replied a topic as watchers of the topic
# so that the new watch functionality at topic level doesn't affect notifications behaviour
Message.connection.execute("INSERT INTO #{Watcher.table_name} (watchable_type, watchable_id, user_id)" +
" SELECT DISTINCT 'Message', COALESCE(m.parent_id, m.id), m.author_id" +
" FROM #{Message.table_name} m, #{User.table_name} u" +
" WHERE m.author_id = u.id AND u.status = 1")
end
def self.down
# Removes all message watchers
Watcher.delete_all("watchable_type = 'Message'")
end
end