obsolete.ChilliProject/db/migrate/20090312194159_add_projects...

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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) 2010-2011 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 AddProjectsTrackersUniqueIndex < ActiveRecord::Migration
def self.up
remove_duplicates
add_index :projects_trackers, [:project_id, :tracker_id], :name => :projects_trackers_unique, :unique => true
end
def self.down
remove_index :projects_trackers, :name => :projects_trackers_unique
end
# Removes duplicates in projects_trackers table
def self.remove_duplicates
Project.find(:all).each do |project|
ids = project.trackers.collect(&:id)
unless ids == ids.uniq
project.trackers.clear
project.tracker_ids = ids.uniq
end
end
end
end