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# redMine - project management software
# Copyright (C) 2006 Jean-Philippe Lang
#
# 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.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
class IssueStatus < ActiveRecord::Base
before_destroy :check_integrity
has_many :workflows, :foreign_key => "old_status_id", :dependent => :delete_all
acts_as_list
validates_presence_of :name
validates_uniqueness_of :name
validates_length_of :name, :maximum => 30
validates_format_of :name, :with => /^[\w\s\'\-]*$/i
def before_save
IssueStatus.update_all "is_default=#{connection.quoted_false}" if self.is_default?
end
# Returns the default status for new issues
def self.default
find(:first, :conditions =>["is_default=?", true])
end
# Returns an array of all statuses the given role can switch to
# Uses association cache when called more than one time
def new_statuses_allowed_to(role, tracker)
new_statuses = workflows.select {|w| w.role_id == role.id && w.tracker_id == tracker.id}.collect{|w| w.new_status} if role && tracker
new_statuses ? new_statuses.compact.sort{|x, y| x.position <=> y.position } : []
end
# Same thing as above but uses a database query
# More efficient than the previous method if called just once
def find_new_statuses_allowed_to(role, tracker)
new_statuses = workflows.find(:all,
:include => :new_status,
:conditions => ["role_id=? and tracker_id=?", role.id, tracker.id]).collect{ |w| w.new_status }.compact if role && tracker
new_statuses ? new_statuses.sort{|x, y| x.position <=> y.position } : []
end
def new_status_allowed_to?(status, role, tracker)
status && role && tracker ?
!workflows.find(:first, :conditions => {:new_status_id => status.id, :role_id => role.id, :tracker_id => tracker.id}).nil? :
false
end
def to_s; name end
private
def check_integrity
raise "Can't delete status" if Issue.find(:first, :conditions => ["status_id=?", self.id])
end
end
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