Verified Commit 577ad07a authored by Sli's avatar Sli Committed by Sli
Browse files

Can identify user on counter with student card UID

parent 9f2a0dee
# -*- coding: utf-8 -*-
# Generated by Django 1.11.13 on 2018-10-17 23:02
from __future__ import unicode_literals
from django.db import migrations, models
import django.db.models.deletion
class Migration(migrations.Migration):
dependencies = [("counter", "0016_producttype_comment")]
operations = [
migrations.CreateModel(
name="StudentCard",
fields=[
(
"id",
models.AutoField(
auto_created=True,
primary_key=True,
serialize=False,
verbose_name="ID",
),
),
(
"uid",
models.CharField(max_length=14, unique=True, verbose_name="uid"),
),
(
"customer",
models.ForeignKey(
on_delete=django.db.models.deletion.CASCADE,
related_name="student_cards",
to="counter.Customer",
verbose_name="student cards",
),
),
],
)
]
......@@ -732,3 +732,23 @@ class Eticket(models.Model):
return hmac.new(
bytes(self.secret, "utf-8"), bytes(string, "utf-8"), hashlib.sha1
).hexdigest()
class StudentCard(models.Model):
"""
Alternative way to connect a customer into a counter
We are using Mifare DESFire EV1 specs since it's used for izly cards
https://www.nxp.com/docs/en/application-note/AN10927.pdf
UID is 7 byte long that means 14 hexa characters
"""
UID_SIZE = 14
uid = models.CharField(_("uid"), max_length=14, unique=True)
customer = models.ForeignKey(
Customer,
related_name="student_cards",
verbose_name=_("student cards"),
null=False,
blank=False,
)
......@@ -57,6 +57,7 @@ from subscription.models import Subscription
from counter.models import (
Counter,
Customer,
StudentCard,
Product,
Selling,
Refilling,
......@@ -121,9 +122,14 @@ class GetUserForm(forms.Form):
cleaned_data = super(GetUserForm, self).clean()
cus = None
if cleaned_data["code"] != "":
cus = Customer.objects.filter(
account_id__iexact=cleaned_data["code"]
).first()
if len(cleaned_data["code"]) == StudentCard.UID_SIZE:
card = StudentCard.objects.filter(uid=cleaned_data["code"])
if card.exists():
cus = card.first().customer
if cus is None:
cus = Customer.objects.filter(
account_id__iexact=cleaned_data["code"]
).first()
elif cleaned_data["id"] is not None:
cus = Customer.objects.filter(user=cleaned_data["id"]).first()
if cus is None or not cus.can_buy:
......
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