Open Question: DO I HAVE DIABETES?!?!?

I have been thinking, I have diabetes, in recent days. It just seems to get worse, but the. Now, I have been very bad desire, 3 times a day soda and materials. In addition, I soooo … tired, but also very hungry. Also my grandmother was of type 2 diabetes, I am not overweight though.My fasting blood glucose 97, one hour after I eat pizza after it was 135. Is high, I have diabetes or pre-diabetes ?!?!?!?