diagram

comment

body:stringusername:stringuser_id:int

getcomment();show();create();update();destroy()

customer post

title:stringupvote:intlingk:stringusername:string

updatevotes()create():destroy()

customer comment

body:stringupvote:intsuthor:string

creste();destroy();

food

name:string;type:string;price:string;description:stringcomment_id:int

show();update();destroy();

admin

show();destroy();create();

user