Redmine/app/models/message.rb

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# redMine - project management software
# Copyright (C) 2006-2007 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 Message < ActiveRecord::Base
belongs_to :board
belongs_to :author, :class_name => 'User', :foreign_key => 'author_id'
acts_as_tree :counter_cache => :replies_count, :order => "#{Message.table_name}.created_on ASC"
acts_as_attachable
belongs_to :last_reply, :class_name => 'Message', :foreign_key => 'last_reply_id'
acts_as_searchable :columns => ['subject', 'content'],
:include => {:board => :project},
:project_key => 'project_id',
:date_column => "#{table_name}.created_on"
acts_as_event :title => Proc.new {|o| "#{o.board.name}: #{o.subject}"},
:description => :content,
:type => Proc.new {|o| o.parent_id.nil? ? 'message' : 'reply'},
:url => Proc.new {|o| {:controller => 'messages', :action => 'show', :board_id => o.board_id}.merge(o.parent_id.nil? ? {:id => o.id} :
{:id => o.parent_id, :anchor => "message-#{o.id}"})}
acts_as_activity_provider :find_options => {:include => [{:board => :project}, :author]},
:author_key => :author_id
acts_as_watchable
attr_protected :locked, :sticky
validates_presence_of :board, :subject, :content
validates_length_of :subject, :maximum => 255
after_create :add_author_as_watcher
def validate_on_create
# Can not reply to a locked topic
errors.add_to_base 'Topic is locked' if root.locked? && self != root
end
def after_create
if parent
parent.reload.update_attribute(:last_reply_id, self.id)
end
board.reset_counters!
end
def after_update
if board_id_changed?
Message.update_all("board_id = #{board_id}", ["id = ? OR parent_id = ?", root.id, root.id])
Board.reset_counters!(board_id_was)
Board.reset_counters!(board_id)
end
end
def after_destroy
board.reset_counters!
end
def sticky?
sticky == 1
end
def project
board.project
end
def editable_by?(usr)
usr && usr.logged? && (usr.allowed_to?(:edit_messages, project) || (self.author == usr && usr.allowed_to?(:edit_own_messages, project)))
end
def destroyable_by?(usr)
usr && usr.logged? && (usr.allowed_to?(:delete_messages, project) || (self.author == usr && usr.allowed_to?(:delete_own_messages, project)))
end
private
def add_author_as_watcher
Watcher.create(:watchable => self.root, :user => author)
end
end