Bad service and lack of communication (Northriding Branch)

I went into the DecoFurn Northriding branch over a month ago on Friday, April 1, 2016 and purchased two bookshelves. On that day I only collected one bookshelf because there was no more unassembled stock of the other. My wife and I were initially made to believe we would be able to collect our other bookshelf the following week. When DecoFurn failed to contact me I called to inquire about my bookshelf but was not given any clear indication when my order would arrive. I called every week for 3 weeks asking for clarity on my order but none of the staff were willing to give me a clear answer as to when I could expect my order. I was repeatedly told to wait for them to contact me when my order is ready for collection, but I was also told they can't make any promises as to when I will receive my order despite my consumer rights. I haven't had one follow up phone call or email from DecoFurn Northriding, despite having already sent an email directly to them after three weeks of no-reply or any attempt to contact me regarding my order. This is unacceptable and an infringement on my consumer rights.