def saveLastScan():
    date = int(time.time())
    droid.prefPutValue("smsLastScan", date, "datestamp")
    return date

def getLastScan():
    date = droid.prefGetValue("smsLastScan", "datestamp")
    if (date.result == None):
        date2 = int(time.mktime(datetime.datetime(2000, 1, 1).timetuple()))
        return date2
    else:
        return date.result

def warehouseStringToDict(b):
    a = b.split(";")
    if len(a) != 5 :
        return None
    if a[0] != "WarehouseData":
        return None
    if (a[1].isdigit() == False):
        return None
    try:
        float(a[3])
        float(a[4])
    except ValueError:
        return None
    asd  = {"id" : a[1]}
    asd["name"] = a[2]
    asd["lat"] = a[3]
    asd["lon"] = a[4]
    return asd

def scanMessages(lastScanInteger):
    sms = droid.smsGetMessages(False)
    for i in sms.result:
        if (int(i["date"]) > lastScanInteger):
            if warehouseStringToDict(i["body"]) != None:
                malls.append(warehouseStringToDict(i["body"]))