Mould on Chocolate Cake! DISGUSTING MANAGEMENT!!!!

On the 24th of August I purchased a triple layer chocolate cake from the Flanders Mall Woolworths in Mount Edgecombe Durban which indicates to expire on the 29th of August. It was purchased for myself as I am 7 months pregnant and i had a craving for it. On the 25th of August the next morning I cut a piece and ate from it, I immediately spat it out as it had a foul smell and it tasted bitter! I went and checked the cake and noticed that mould had been growing on the sponge of the cake on certain parts. I've been sick since then I was throwing up so much that I became weak and had to be rushed to the trauma unit in the hospital at 9:30pm that night cause my gp was closed where they treated me for food poisoning with a bill that came to over R5000 for a cake that costed R120, I haven't been able to stomach anything since then cause all I think about is how I ate mould on something that's not even expired yet. I cannot phantom the fact that the cake was 3 days from the best before date and that it had already started growing mould on it. I took it back and I had shown the manager Linhle she was absolutely abrupt and rude and made me feel as if I was wrong. She spoke to me anyhow in front of the other staff and customers and when I had asked her how is it possible for this to had happened she had rep**** in an abrupt manner saying "I can't tell you that I'm only the manager the supplier brings us the stuff". I've never been more disappointed in any other store the way I have been with woolworths. She logged a query and still there's no feedback!