# 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
- where(["id = ?", board_id]).
- 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})")
+ 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)
assert_nil child.parent
assert_nil child.parent_id
end
+
+ def test_reset_counters_should_update_attributes
+ Board.where(:id => 1).update_all(:topics_count => 0, :messages_count => 0, :last_message_id => 0)
+ Board.reset_counters!(1)
+ board = Board.find(1)
+ assert_equal board.topics.count, board.topics_count
+ assert_equal board.messages.count, board.messages_count
+ assert_equal board.messages.order("id DESC").first.id, board.last_message_id
+ end
end