91 lines
3.1 KiB
Ruby
91 lines
3.1 KiB
Ruby
# Redmine - project management software
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# Copyright (C) 2006-2014 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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include Redmine::SafeAttributes
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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_tree :dependent => :nullify
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acts_as_list :scope => '(project_id = #{project_id} AND parent_id #{parent_id ? "= #{parent_id}" : "IS NULL"})'
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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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validate :validate_board
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scope :visible, lambda {|*args|
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includes(:project).where(Project.allowed_to_condition(args.shift || User.current, :view_messages, *args))
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}
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safe_attributes 'name', 'description', 'parent_id', 'move_to'
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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 reload(*args)
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@valid_parents = nil
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super
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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 valid_parents
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@valid_parents ||= project.boards - self_and_descendants
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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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where(["id = ?", board_id]).
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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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end
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def self.board_tree(boards, parent_id=nil, level=0)
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tree = []
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boards.select {|board| board.parent_id == parent_id}.sort_by(&:position).each do |board|
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tree << [board, level]
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tree += board_tree(boards, board.id, level+1)
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end
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if block_given?
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tree.each do |board, level|
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yield board, level
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end
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end
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tree
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end
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protected
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def validate_board
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if parent_id && parent_id_changed?
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errors.add(:parent_id, :invalid) unless valid_parents.include?(parent)
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end
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end
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end
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