def handle_barcode(self, str):
putil.trace("ding")
item = Products.get_from_barcode(str)
if item == None:
GUI.warn("Unknown product cannot buy here")
return
GUI.info("Added {} - \"{}\"".format(item.name, item.text))
Foodputer.add_item(item)
def handle_hal(self, json_data):
"""handles the dict generated from parsing the json data
fields:
status: Hal.ACCEPT ect as int REQUIRED
"""
status = int(json_data['status'])
print "status: ", status
if status == Hal.ACCEPT:
Foodputer.set_state(start)
GUI.accepted_order()
elif status == Hal.DENY:
if Pin_check.tries_left == 0:
self.handle_abort()
else:
Foodputer.set_state(ordering)
GUI.wrong_pin(Pin_check.tries_left)
Pin_check.tries_left -= 1;
elif status == Hal.NOFUNDS:
Foodputer.set_state(ordering)
GUI.not_enough_money();
else:
putil.trace("no such return is nice {}".format(status));
self.handle_abort()
def handle_hal(self, resp):
putil.trace("rfid check data: \"{}\"".format(resp))
if not resp or len(resp) < 2:
putil.trace("HAL doesnt know user or no contact")
Foodputer.set_state(start)
GUI.no_rfid()
return
Foodputer.new_order( resp['user'], resp['token'])
Foodputer.set_state(ordering)
Pin_check.tries_left = 3;
GUI.valid_rfid()
def run(self):
pin = self.pincheck.pin
#for debugging and mocking
if (LOCAL):
data = ACCEPT
if pin == "p4":
data = DENY
elif pin == "p3":
data = NOFUNDS
time.sleep(1)
if self.alive:
self.pincheck.handle_hal(data)
return
data = Foodputer.get_order()
#remove token from data, but use it in sha1-digest
msg = "{}{}{}{}".format(data['name'], data['total'],data['token'], pin)
digest = hashlib.sha512(msg).hexdigest()
data['signature'] = digest
payload = json.dumps(data)
ret = None
try:
print "PAYLOAD is: ", payload
resp = urllib2.urlopen(URL, payload)
print "resp info", resp.info()
txt = resp.read()
print "JSON is: ", txt
ret = json.loads(txt)
except (urllib2.URLError, urllib2.HTTPError), e:
putil.trace("could not contact hal!!")
self.alive = False
self.pincheck.handle_fail(e)
def draw_cart(self, surface):
yoffset = 200
xoffset = 250
self.large_txt(surface, "Cart:", (xoffset, yoffset))
yoffset += self.large_font.get_linesize()
cart = Foodputer.get_cart()
if not cart:
return
total = 0
xoffset2 = 450
for k in cart.keys():
tup = cart[k]
item = tup[0]
cnt = tup[1]
total += cnt * item.price
txt = "{} stk {} a".format(cnt, item.name)
self.small_txt(surface, txt, (xoffset, yoffset))
txt = "{}{}".format(" " if item.price < 10 else "", "%0.2f" % item.price)
self.small_txt(surface, txt , (xoffset2, yoffset))
yoffset += self.small_line
line = self.large_font.render("TOTAL %0.2f" % total, 1, green)
surface.blit(line, (xoffset, 500))
# SETTINGS
# TODO FULLSCREEN = 0
W = 800
H = 600
BG = (0, 0, 0)
pygame.init()
# vars
surface = pygame.display.set_mode((W, H))
clock = pygame.time.Clock()
Foodputer.set_state(State.start)
GUI.set_state(GUI.start)
def valid_id_char(s):
return s.isalnum() or "-" in s
def quit():
print "bye bye"
sys.exit(0)
walltime = 0
strbuf = ""
running = 1
def handle_pin(self, str):
putil.trace("shop smart, shop k-mart")
Pin_check.pin = str
Foodputer.set_state(pin_check)
def handle_fail(self, e):
GUI.hal_error(e)
Foodputer.set_state(start)
def handle_rfid(self, str):
putil.trace("Velcome user")
rfid_check.nr = str
Foodputer.set_state(rfid_check)
def handle_abort(self):
Foodputer.set_state(start)
GUI.abort()
def handle_undo(self):
Foodputer.undo()
