Chris@1115: # Redmine - project management software
Chris@1295: # Copyright (C) 2006-2013  Jean-Philippe Lang
Chris@1115: #
Chris@1115: # This program is free software; you can redistribute it and/or
Chris@1115: # modify it under the terms of the GNU General Public License
Chris@1115: # as published by the Free Software Foundation; either version 2
Chris@1115: # of the License, or (at your option) any later version.
Chris@1115: #
Chris@1115: # This program is distributed in the hope that it will be useful,
Chris@1115: # but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@1115: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@1115: # GNU General Public License for more details.
Chris@1115: #
Chris@1115: # You should have received a copy of the GNU General Public License
Chris@1115: # along with this program; if not, write to the Free Software
Chris@1115: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
Chris@1115: 
Chris@1115: class WorkflowRule < ActiveRecord::Base
Chris@1115:   self.table_name = "#{table_name_prefix}workflows#{table_name_suffix}"
Chris@1115: 
Chris@1115:   belongs_to :role
Chris@1115:   belongs_to :tracker
Chris@1115:   belongs_to :old_status, :class_name => 'IssueStatus', :foreign_key => 'old_status_id'
Chris@1115:   belongs_to :new_status, :class_name => 'IssueStatus', :foreign_key => 'new_status_id'
Chris@1115: 
Chris@1115:   validates_presence_of :role, :tracker, :old_status
Chris@1115: 
Chris@1115:   # Copies workflows from source to targets
Chris@1115:   def self.copy(source_tracker, source_role, target_trackers, target_roles)
Chris@1115:     unless source_tracker.is_a?(Tracker) || source_role.is_a?(Role)
Chris@1115:       raise ArgumentError.new("source_tracker or source_role must be specified")
Chris@1115:     end
Chris@1115: 
Chris@1115:     target_trackers = [target_trackers].flatten.compact
Chris@1115:     target_roles = [target_roles].flatten.compact
Chris@1115: 
Chris@1115:     target_trackers = Tracker.sorted.all if target_trackers.empty?
Chris@1115:     target_roles = Role.all if target_roles.empty?
Chris@1115: 
Chris@1115:     target_trackers.each do |target_tracker|
Chris@1115:       target_roles.each do |target_role|
Chris@1115:         copy_one(source_tracker || target_tracker,
Chris@1115:                    source_role || target_role,
Chris@1115:                    target_tracker,
Chris@1115:                    target_role)
Chris@1115:       end
Chris@1115:     end
Chris@1115:   end
Chris@1115: 
Chris@1115:   # Copies a single set of workflows from source to target
Chris@1115:   def self.copy_one(source_tracker, source_role, target_tracker, target_role)
Chris@1115:     unless source_tracker.is_a?(Tracker) && !source_tracker.new_record? &&
Chris@1115:       source_role.is_a?(Role) && !source_role.new_record? &&
Chris@1115:       target_tracker.is_a?(Tracker) && !target_tracker.new_record? &&
Chris@1115:       target_role.is_a?(Role) && !target_role.new_record?
Chris@1115: 
Chris@1115:       raise ArgumentError.new("arguments can not be nil or unsaved objects")
Chris@1115:     end
Chris@1115: 
Chris@1115:     if source_tracker == target_tracker && source_role == target_role
Chris@1115:       false
Chris@1115:     else
Chris@1115:       transaction do
Chris@1115:         delete_all :tracker_id => target_tracker.id, :role_id => target_role.id
Chris@1295:         connection.insert "INSERT INTO #{WorkflowRule.table_name} (tracker_id, role_id, old_status_id, new_status_id, author, assignee, field_name, #{connection.quote_column_name 'rule'}, type)" +
Chris@1295:                           " SELECT #{target_tracker.id}, #{target_role.id}, old_status_id, new_status_id, author, assignee, field_name, #{connection.quote_column_name 'rule'}, type" +
Chris@1115:                           " FROM #{WorkflowRule.table_name}" +
Chris@1115:                           " WHERE tracker_id = #{source_tracker.id} AND role_id = #{source_role.id}"
Chris@1115:       end
Chris@1115:       true
Chris@1115:     end
Chris@1115:   end
Chris@1115: end