This project is similar of just-eat.co.uk and foodpanda.in
It have three interface with both B2B and B2C concepts implemented. Integrated search API, so it can locate you locations and provide you the nearest results.
Have a check of front end :
http://planahost.com/demo/click2food
For trial search use location : NR1
Back End :
http://planahost.com/demo/click2food/admin
Username : admin
Password : admin
Sample Restaurant Login :
Login : test#test.com (place @ in replace of # )
Password : test