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# redMine - project management software
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# Copyright (C) 2006 Jean-Philippe Lang
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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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class IssueStatus < ActiveRecord::Base
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before_destroy :check_integrity
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has_many :workflows, :foreign_key => "old_status_id", :dependent => :delete_all
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acts_as_list
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validates_presence_of :name
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validates_uniqueness_of :name
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validates_length_of :name, :maximum => 30
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validates_format_of :name, :with => /^[\w\s\'\-]*$/i
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def before_save
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IssueStatus.update_all "is_default=#{connection.quoted_false}" if self.is_default?
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end
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# Returns the default status for new issues
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def self.default
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find(:first, :conditions =>["is_default=?", true])
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end
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# Returns an array of all statuses the given role can switch to
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# Uses association cache when called more than one time
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def new_statuses_allowed_to(role, tracker)
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new_statuses = workflows.select {|w| w.role_id == role.id && w.tracker_id == tracker.id}.collect{|w| w.new_status} if role && tracker
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new_statuses ? new_statuses.compact.sort{|x, y| x.position <=> y.position } : []
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end
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# Same thing as above but uses a database query
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# More efficient than the previous method if called just once
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def find_new_statuses_allowed_to(role, tracker)
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new_statuses = workflows.find(:all,
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:include => :new_status,
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:conditions => ["role_id=? and tracker_id=?", role.id, tracker.id]).collect{ |w| w.new_status }.compact if role && tracker
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new_statuses ? new_statuses.sort{|x, y| x.position <=> y.position } : []
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end
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def new_status_allowed_to?(status, role, tracker)
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status && role && tracker ?
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!workflows.find(:first, :conditions => {:new_status_id => status.id, :role_id => role.id, :tracker_id => tracker.id}).nil? :
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false
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end
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def to_s; name end
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private
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def check_integrity
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raise "Can't delete status" if Issue.find(:first, :conditions => ["status_id=?", self.id])
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end
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end
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