comparison app/models/.svn/text-base/board.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 Board < ActiveRecord::Base
+  belongs_to :project
+  has_many :topics, :class_name => 'Message', :conditions => "#{Message.table_name}.parent_id IS NULL", :order => "#{Message.table_name}.created_on DESC"
+  has_many :messages, :dependent => :delete_all, :order => "#{Message.table_name}.created_on DESC"
+  belongs_to :last_message, :class_name => 'Message', :foreign_key => :last_message_id
+  acts_as_list :scope => :project_id
+  acts_as_watchable
+  
+  validates_presence_of :name, :description
+  validates_length_of :name, :maximum => 30
+  validates_length_of :description, :maximum => 255
+  
+  def visible?(user=User.current)
+    !user.nil? && user.allowed_to?(:view_messages, project)
+  end
+  
+  def to_s
+    name
+  end
+  
+  def reset_counters!
+    self.class.reset_counters!(id)
+  end
+  
+  # Updates topics_count, messages_count and last_message_id attributes for +board_id+
+  def self.reset_counters!(board_id)
+    board_id = board_id.to_i
+    update_all("topics_count = (SELECT COUNT(*) FROM #{Message.table_name} WHERE board_id=#{board_id} AND parent_id IS NULL)," +
+               " messages_count = (SELECT COUNT(*) FROM #{Message.table_name} WHERE board_id=#{board_id})," +
+               " last_message_id = (SELECT MAX(id) FROM #{Message.table_name} WHERE board_id=#{board_id})",
+               ["id = ?", board_id])
+  end
+end