uncloud/uncloud_pay/admin.py

from django.contrib import admin
from django.template.response import TemplateResponse
from django.urls import path
from django.shortcuts import render

from hardcopy import bytestring_to_pdf
from django.core.files.temp import NamedTemporaryFile
from django.http import FileResponse
from django.template.loader import render_to_string

from uncloud_pay.models import *

class BillRecordInline(admin.TabularInline):
    model = BillRecord

class RecurringPeriodInline(admin.TabularInline):
    model = ProductToRecurringPeriod

class ProductAdmin(admin.ModelAdmin):
    inlines = [ RecurringPeriodInline ]

# class BillAdmin(admin.ModelAdmin):
#     inlines = [ BillRecordInline ]

#     def get_urls(self):
#         """
#         Create URLs for PDF view
#         """

#         info = "%s_%s" % (self.model._meta.app_label, self.model._meta.model_name)
#         pat = lambda regex, fn: url(regex, self.admin_site.admin_view(fn), name='%s_%s' % (info, fn.__name__))

#         url_patterns = [
#             pat(r'^([0-9]+)/as_pdf/$', self.as_pdf),
#             pat(r'^([0-9]+)/as_html/$', self.as_html),
#         ] + super().get_urls()

#         return url_patterns

#     def as_pdf(self, request, object_id):
#         bill = self.get_object(request, object_id=object_id)
#         print(bill)

#         if bill is None:
#             raise self._get_404_exception(object_id)

#         output_file = NamedTemporaryFile()
#         bill_html = render_to_string(
#             "uncloud_pay/bill.html.j2",
#             {
#                 'bill': bill,
#                 'bill_records': bill.bill_records.all()
#             }
#         )

#         bytestring_to_pdf(bill_html.encode('utf-8'), output_file)
#         response = FileResponse(output_file, content_type="application/pdf")
#         response['Content-Disposition'] = f'filename="bill_{bill}.pdf"'

#         return response

#     def as_html(self, request, object_id):
#         bill = self.get_object(request, object_id=object_id)

#         if bill is None:
#             raise self._get_404_exception(object_id)

#         return render(request, 'uncloud_pay/bill.html.j2',
#                       {'bill': bill,
#                        'bill_records': bill.bill_records.all()
#                       })


#         bill_html = render_to_string("bill.html.j2", {'bill': bill,
#                                                       'bill_records': bill.bill_records.all()
#         })

#         bytestring_to_pdf(bill_html.encode('utf-8'), output_file)
#         response = FileResponse(output_file, content_type="application/pdf")

#         response['Content-Disposition'] = f'filename="bill_{bill}.pdf"'

#         return HttpResponse(template.render(context, request))
#         return response


#admin.site.register(Bill, BillAdmin)
admin.site.register(Product, ProductAdmin)

for m in [
        BillingAddress,
        Order,
        BillRecord,
        Payment,
        ProductToRecurringPeriod,
        RecurringPeriod,
        StripeCreditCard,
        StripeCustomer,
        PricingPlan,
        VATRate
]:
    admin.site.register(m)