Uber Eats drivers eats what fancies them instead of making the delivery ..********* practices

I ordered a cake from Chateau Gateau and it was never delivered b ut the app says DELIVERED there is no one that I can contact to take this up with driver did come to my house but no hooter and no contact was attempted he just takes a pic and posts it to PROVE he was there and guess what the R309 cake is now his to enjoy very disappointing service my compliments to the manager at Chateau Gateau the glen you did try to asssits me but was treated very rudely by the uber eats rep she spoke to