Sith/counter/views/eticket.py
2024-11-27 19:03:34 +01:00

142 lines
4.8 KiB
Python

#
# Copyright 2023 © AE UTBM
# ae@utbm.fr / ae.info@utbm.fr
#
# This file is part of the website of the UTBM Student Association (AE UTBM),
# https://ae.utbm.fr.
#
# You can find the source code of the website at https://github.com/ae-utbm/sith
#
# LICENSED UNDER THE GNU GENERAL PUBLIC LICENSE VERSION 3 (GPLv3)
# SEE : https://raw.githubusercontent.com/ae-utbm/sith/master/LICENSE
# OR WITHIN THE LOCAL FILE "LICENSE"
#
#
from django.http import Http404, HttpResponse
from django.utils.translation import gettext_lazy as _
from django.views.generic import DetailView, ListView
from django.views.generic.edit import CreateView, UpdateView
from core.views import CanViewMixin
from counter.forms import EticketForm
from counter.models import Eticket, Selling
from counter.views.mixins import CounterAdminMixin, CounterAdminTabsMixin
class EticketListView(CounterAdminTabsMixin, CounterAdminMixin, ListView):
"""A list view for the admins."""
model = Eticket
template_name = "counter/eticket_list.jinja"
ordering = ["id"]
current_tab = "etickets"
class EticketCreateView(CounterAdminTabsMixin, CounterAdminMixin, CreateView):
"""Create an eticket."""
model = Eticket
template_name = "core/create.jinja"
form_class = EticketForm
current_tab = "etickets"
class EticketEditView(CounterAdminTabsMixin, CounterAdminMixin, UpdateView):
"""Edit an eticket."""
model = Eticket
template_name = "core/edit.jinja"
form_class = EticketForm
pk_url_kwarg = "eticket_id"
current_tab = "etickets"
class EticketPDFView(CanViewMixin, DetailView):
"""Display the PDF of an eticket."""
model = Selling
pk_url_kwarg = "selling_id"
def get(self, request, *args, **kwargs):
from reportlab.graphics import renderPDF
from reportlab.graphics.barcode.qr import QrCodeWidget
from reportlab.graphics.shapes import Drawing
from reportlab.lib.units import cm
from reportlab.lib.utils import ImageReader
from reportlab.pdfgen import canvas
if not (
hasattr(self.object, "product") and hasattr(self.object.product, "eticket")
):
raise Http404
eticket = self.object.product.eticket
user = self.object.customer.user
code = "%s %s %s %s" % (
self.object.customer.user.id,
self.object.product.id,
self.object.id,
self.object.quantity,
)
code += " " + eticket.get_hash(code)[:8].upper()
response = HttpResponse(content_type="application/pdf")
response["Content-Disposition"] = 'filename="eticket.pdf"'
p = canvas.Canvas(response)
p.setTitle("Eticket")
im = ImageReader("core/static/core/img/eticket.jpg")
width, height = im.getSize()
size = max(width, height)
width = 8 * cm * width / size
height = 8 * cm * height / size
p.drawImage(im, 10 * cm, 25 * cm, width, height)
if eticket.banner:
im = ImageReader(eticket.banner)
width, height = im.getSize()
size = max(width, height)
width = 6 * cm * width / size
height = 6 * cm * height / size
p.drawImage(im, 1 * cm, 25 * cm, width, height)
if user.profile_pict:
im = ImageReader(user.profile_pict.file)
width, height = im.getSize()
size = max(width, height)
width = 150 * width / size
height = 150 * height / size
p.drawImage(im, 10.5 * cm - width / 2, 16 * cm, width, height)
if eticket.event_title:
p.setFont("Helvetica-Bold", 20)
p.drawCentredString(10.5 * cm, 23.6 * cm, eticket.event_title)
if eticket.event_date:
p.setFont("Helvetica-Bold", 16)
p.drawCentredString(
10.5 * cm, 22.6 * cm, eticket.event_date.strftime("%d %b %Y")
) # FIXME with a locale
p.setFont("Helvetica-Bold", 14)
p.drawCentredString(
10.5 * cm,
15 * cm,
"%s : %d %s"
% (user.get_display_name(), self.object.quantity, str(_("people(s)"))),
)
p.setFont("Courier-Bold", 14)
qrcode = QrCodeWidget(code)
bounds = qrcode.getBounds()
width = bounds[2] - bounds[0]
height = bounds[3] - bounds[1]
d = Drawing(260, 260, transform=[260.0 / width, 0, 0, 260.0 / height, 0, 0])
d.add(qrcode)
renderPDF.draw(d, p, 10.5 * cm - 130, 6.1 * cm)
p.drawCentredString(10.5 * cm, 6 * cm, code)
partners = ImageReader("core/static/core/img/partners.png")
width, height = partners.getSize()
size = max(width, height)
width = width * 2 / 3
height = height * 2 / 3
p.drawImage(partners, 0 * cm, 0 * cm, width, height)
p.showPage()
p.save()
return response