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- # frozen_string_literal: true
-
- # Redmine - project management software
- # Copyright (C) 2006-2022 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
- include Redmine::SafeAttributes
- belongs_to :project
- has_many :messages, lambda {order("#{Message.table_name}.created_on DESC")}, :dependent => :destroy
- belongs_to :last_message, :class_name => 'Message'
- acts_as_tree :dependent => :nullify
- acts_as_positioned :scope => [:project_id, :parent_id]
- acts_as_watchable
-
- validates_presence_of :name, :description
- validates_length_of :name, :maximum => 30
- validates_length_of :description, :maximum => 255
- validate :validate_board
-
- scope :visible, (lambda do |*args|
- joins(:project).
- where(Project.allowed_to_condition(args.shift || User.current, :view_messages, *args))
- end)
-
- safe_attributes 'name', 'description', 'parent_id', 'position'
-
- def visible?(user=User.current)
- !user.nil? && user.allowed_to?(:view_messages, project)
- end
-
- def reload(*args)
- @valid_parents = nil
- super
- end
-
- def to_s
- name
- end
-
- # Returns a scope for the board topics (messages without parent)
- def topics
- messages.where(:parent_id => nil)
- end
-
- def valid_parents
- @valid_parents ||= project.boards - self_and_descendants
- 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
- Board.where(:id => board_id).
- update_all(
- ["topics_count = (SELECT COUNT(*) FROM #{Message.table_name}" \
- " WHERE board_id=:id AND parent_id IS NULL)," \
- " messages_count = (SELECT COUNT(*) FROM #{Message.table_name} WHERE board_id=:id)," \
- " last_message_id = (SELECT MAX(id) FROM #{Message.table_name} WHERE board_id=:id)",
- :id => board_id]
- )
- end
-
- def self.board_tree(boards, parent_id=nil, level=0)
- tree = []
- boards.select {|board| board.parent_id == parent_id}.sort_by(&:position).each do |board|
- tree << [board, level]
- tree += board_tree(boards, board.id, level+1)
- end
- if block_given?
- tree.each do |board, level|
- yield board, level
- end
- end
- tree
- end
-
- protected
-
- def validate_board
- if parent_id && parent_id_changed?
- errors.add(:parent_id, :invalid) unless valid_parents.include?(parent)
- end
- end
- end
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