Chris@1295: # Redmine - project management software
Chris@1295: # Copyright (C) 2006-2013  Jean-Philippe Lang
Chris@1295: #
Chris@1295: # This program is free software; you can redistribute it and/or
Chris@1295: # modify it under the terms of the GNU General Public License
Chris@1295: # as published by the Free Software Foundation; either version 2
Chris@1295: # of the License, or (at your option) any later version.
Chris@1295: #
Chris@1295: # This program is distributed in the hope that it will be useful,
Chris@1295: # but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@1295: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@1295: # GNU General Public License for more details.
Chris@1295: #
Chris@1295: # You should have received a copy of the GNU General Public License
Chris@1295: # along with this program; if not, write to the Free Software
Chris@1295: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
Chris@1295: 
Chris@1295: class IssuePriority < Enumeration
Chris@1295:   has_many :issues, :foreign_key => 'priority_id'
Chris@1295: 
Chris@1295:   after_destroy {|priority| priority.class.compute_position_names}
Chris@1295:   after_save {|priority| priority.class.compute_position_names if priority.position_changed? && priority.position}
Chris@1295: 
Chris@1295:   OptionName = :enumeration_issue_priorities
Chris@1295: 
Chris@1295:   def option_name
Chris@1295:     OptionName
Chris@1295:   end
Chris@1295: 
Chris@1295:   def objects_count
Chris@1295:     issues.count
Chris@1295:   end
Chris@1295: 
Chris@1295:   def transfer_relations(to)
Chris@1295:     issues.update_all("priority_id = #{to.id}")
Chris@1295:   end
Chris@1295: 
Chris@1295:   def css_classes
Chris@1295:     "priority-#{id} priority-#{position_name}"
Chris@1295:   end
Chris@1295: 
Chris@1295:   # Clears position_name for all priorities
Chris@1295:   # Called from migration 20121026003537_populate_enumerations_position_name
Chris@1295:   def self.clear_position_names
Chris@1295:     update_all :position_name => nil
Chris@1295:   end
Chris@1295: 
Chris@1295:   # Updates position_name for active priorities
Chris@1295:   # Called from migration 20121026003537_populate_enumerations_position_name
Chris@1295:   def self.compute_position_names
Chris@1295:     priorities = where(:active => true).all.sort_by(&:position)
Chris@1295:     if priorities.any?
Chris@1295:       default = priorities.detect(&:is_default?) || priorities[(priorities.size - 1) / 2]
Chris@1295:       priorities.each_with_index do |priority, index|
Chris@1295:         name = case
Chris@1295:           when priority.position == default.position
Chris@1295:             "default"
Chris@1295:           when priority.position < default.position
Chris@1295:             index == 0 ? "lowest" : "low#{index+1}"
Chris@1295:           else
Chris@1295:             index == (priorities.size - 1) ? "highest" : "high#{priorities.size - index}"
Chris@1295:           end
Chris@1295: 
Chris@1295:         update_all({:position_name => name}, :id => priority.id)
Chris@1295:       end
Chris@1295:     end
Chris@1295:   end
Chris@1295: end