obsolete.ChilliProject/app/models/board.rb

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2011-10-29 16:19:11 +04:00
#-- encoding: UTF-8
#-- copyright
# ChiliProject is a project management system.
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#
# Copyright (C) 2010-2011 the ChiliProject Team
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#
# 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.
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#
# See doc/COPYRIGHT.rdoc for more details.
#++
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
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validates_presence_of :name, :description
validates_length_of :name, :maximum => 30
validates_length_of :description, :maximum => 255
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def visible?(user=User.current)
!user.nil? && user.allowed_to?(:view_messages, project)
end
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def to_s
name
end
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def reset_counters!
self.class.reset_counters!(id)
end
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# 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