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# redMine - project management software
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# Copyright (C) 2006-2007 Jean-Philippe Lang
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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class Board < ActiveRecord::Base
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belongs_to :project
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has_many :topics, :class_name => 'Message', :conditions => "#{Message.table_name}.parent_id IS NULL", :order => "#{Message.table_name}.created_on DESC"
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has_many :messages, :dependent => :destroy, :order => "#{Message.table_name}.created_on DESC"
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belongs_to :last_message, :class_name => 'Message', :foreign_key => :last_message_id
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acts_as_list :scope => :project_id
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acts_as_watchable
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validates_presence_of :name, :description
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validates_length_of :name, :maximum => 30
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validates_length_of :description, :maximum => 255
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def visible?(user=User.current)
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!user.nil? && user.allowed_to?(:view_messages, project)
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end
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def to_s
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name
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end
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def reset_counters!
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self.class.reset_counters!(id)
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end
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# Updates topics_count, messages_count and last_message_id attributes for +board_id+
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def self.reset_counters!(board_id)
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board_id = board_id.to_i
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update_all("topics_count = (SELECT COUNT(*) FROM #{Message.table_name} WHERE board_id=#{board_id} AND parent_id IS NULL)," +
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" messages_count = (SELECT COUNT(*) FROM #{Message.table_name} WHERE board_id=#{board_id})," +
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" last_message_id = (SELECT MAX(id) FROM #{Message.table_name} WHERE board_id=#{board_id})",
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["id = ?", board_id])
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end
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end
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