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# Redmine - project management software
# Copyright (C) 2006-2011 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 => :destroy, :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
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