• upon arrival, driver send finish ride request
• update ride data status
• push message to rider

• Driver model
• Driver registration
• Driver login

• request has rider position
• create new ride object with status requested
• query drivers positions
• match driver and user algo
• update ride info into ride object with status pick up
• push message to driver and rider once matched (info of rider/driver, route)

• driver update status to active
• driver send position
• driver update status to inactive

scale to multiple riders and drivers

• 1 driver and 1 rider
• randomly rider request ride and become visible
• driver go toward rider
• driver pickup
• driver move to destination
• driver end ride
• rider update status and disappear
• driver get a random destination until a new ride is matched