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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"
acts_as_list
before_destroy :delete_workflows
validates_presence_of :name
validates_uniqueness_of :name
validates_length_of :name, :maximum => 30
validates_inclusion_of :default_done_ratio, :in => 0..100, :allow_nil => true
def after_save
IssueStatus.update_all("is_default=#{connection.quoted_false}", ['id <> ?', id]) if self.is_default?
end
# Returns the default status for new issues
def self.default
find(:first, :conditions =>["is_default=?", true])
end
# Update all the +Issues+ setting their done_ratio to the value of their +IssueStatus+
def self.update_issue_done_ratios
if Issue.use_status_for_done_ratio?
IssueStatus.find(:all, :conditions => ["default_done_ratio >= 0"]).each do |status|
Issue.update_all(["done_ratio = ?", status.default_done_ratio],
["status_id = ?", status.id])
end
end
return Issue.use_status_for_done_ratio?
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(roles, tracker)
if roles && tracker
role_ids = roles.collect(&:id)
new_statuses = workflows.select {|w| role_ids.include?(w.role_id) && w.tracker_id == tracker.id}.collect{|w| w.new_status}.compact.sort
else
[]
end
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(roles, tracker)
if roles && tracker
workflows.find(:all,
:include => :new_status,
:conditions => { :role_id => roles.collect(&:id),
:tracker_id => tracker.id}).collect{ |w| w.new_status }.compact.sort
else
[]
end
end
def new_status_allowed_to?(status, roles, tracker)
if status && roles && tracker
!workflows.find(:first, :conditions => {:new_status_id => status.id, :role_id => roles.collect(&:id), :tracker_id => tracker.id}).nil?
else
false
end
end
def <=>(status)
position <=> status.position
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
# Deletes associated workflows
def delete_workflows
Workflow.delete_all(["old_status_id = :id OR new_status_id = :id", {:id => id}])
end
end
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