after a month no service

More than a month ago i reported that my mattress is torn and i was advised that an assessor will come out to have a look at my bed. Since then I have been in and out of the store 3 times to follow up and every time I was promised that they will follow up with the factory. I am now fed up as I spoke to 2 managers at the store and all they did was **** to my face that they will call me back the next day with feedback but ofcoz no feedback. I will def never buy from them ever again. Really considering taking legal action against them.