comparison app/models/.svn/text-base/message.rb.svn-base @ 0:513646585e45

* Import Redmine trunk SVN rev 3859

+# 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, :r => o.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 visible?(user=User.current)
+    !user.nil? && user.allowed_to?(:view_messages, project)
+  end
+  
+  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=(arg)
+    write_attribute :sticky, (arg == true || arg.to_s == '1' ? 1 : 0)
+  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