1 # redMine - project management software
2 # Copyright (C) 2006-2007 Jean-Philippe Lang
4 # This program is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU General Public License
6 # as published by the Free Software Foundation; either version 2
7 # of the License, or (at your option) any later version.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 class Message < ActiveRecord::Base
20 belongs_to :author, :class_name => 'User', :foreign_key => 'author_id'
21 acts_as_tree :counter_cache => :replies_count, :order => "#{Message.table_name}.created_on ASC"
23 belongs_to :last_reply, :class_name => 'Message', :foreign_key => 'last_reply_id'
25 acts_as_searchable :columns => ['subject', 'content'],
26 :include => {:board => :project},
27 :project_key => 'project_id',
28 :date_column => "#{table_name}.created_on"
29 acts_as_event :title => Proc.new {|o| "#{o.board.name}: #{o.subject}"},
30 :description => :content,
31 :type => Proc.new {|o| o.parent_id.nil? ? 'message' : 'reply'},
32 :url => Proc.new {|o| {:controller => 'messages', :action => 'show', :board_id => o.board_id}.merge(o.parent_id.nil? ? {:id => o.id} :
33 {:id => o.parent_id, :anchor => "message-#{o.id}"})}
35 acts_as_activity_provider :find_options => {:include => [{:board => :project}, :author]},
36 :author_key => :author_id
39 attr_protected :locked, :sticky
40 validates_presence_of :board, :subject, :content
41 validates_length_of :subject, :maximum => 255
43 after_create :add_author_as_watcher
45 def validate_on_create
46 # Can not reply to a locked topic
47 errors.add_to_base 'Topic is locked' if root.locked? && self != root
52 parent.reload.update_attribute(:last_reply_id, self.id)
59 Message.update_all("board_id = #{board_id}", ["id = ? OR parent_id = ?", root.id, root.id])
60 Board.reset_counters!(board_id_was)
61 Board.reset_counters!(board_id)
70 write_attribute :sticky, (arg == true || arg.to_s == '1' ? 1 : 0)
82 usr && usr.logged? && (usr.allowed_to?(:edit_messages, project) || (self.author == usr && usr.allowed_to?(:edit_own_messages, project)))
85 def destroyable_by?(usr)
86 usr && usr.logged? && (usr.allowed_to?(:delete_messages, project) || (self.author == usr && usr.allowed_to?(:delete_own_messages, project)))
91 def add_author_as_watcher
92 Watcher.create(:watchable => self.root, :user => author)