linking up

linkup.py

# add it at the end of users.py

def linkup():
    """Links up two random people from the waiting list."""
    num_waiting = r.scard('waiting')
    if num_waiting < 2:
        # Cannot link up
        return False
    num1 = r.spop('waiting')
    num2 = r.spop('waiting')
    # our routing table
    r.set(num1, num2)
    r.set(num2, num1)
    text = "You're now connected to a random stranger!"
    send_sms(num1, text)
    send_sms(num2, text)
    return True