mirror of
https://github.com/nottinghamtec/PyRIGS.git
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245 lines
8.7 KiB
Python
245 lines
8.7 KiB
Python
import datetime
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import re
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import reversion
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from django import forms
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from django.contrib import messages
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from django.db import transaction
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from django.db.models import Q
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from django.http import Http404, HttpResponseRedirect
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from django.http import HttpResponse
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from django.shortcuts import get_object_or_404
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from django.template.loader import get_template
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from django.urls import reverse
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from django.views import generic
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from z3c.rml import rml2pdf
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from RIGS import models
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forms.DateField.widget = forms.DateInput(attrs={'type': 'date'})
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class InvoiceIndex(generic.ListView):
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model = models.Invoice
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template_name = 'invoice_list.html'
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def get_context_data(self, **kwargs):
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context = super(InvoiceIndex, self).get_context_data(**kwargs)
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total = 0
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for i in context['object_list']:
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total += i.balance
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context['page_title'] = "Outstanding Invoices ({} Events, £{:.2f})".format(len(list(context['object_list'])), total)
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context['description'] = "Paperwork for these events has been sent to treasury, but the full balance has not yet appeared on a ledger"
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return context
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def get_queryset(self):
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# Manual query is the only way I have found to do this efficiently. Not ideal but needs must
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sql = "SELECT * FROM " \
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"(SELECT " \
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"(SELECT COUNT(p.amount) FROM \"RIGS_payment\" AS p WHERE p.invoice_id=\"RIGS_invoice\".id) AS \"payment_count\", " \
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"(SELECT SUM(ei.cost * ei.quantity) FROM \"RIGS_eventitem\" AS ei WHERE ei.event_id=\"RIGS_invoice\".event_id) AS \"cost\", " \
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"(SELECT SUM(p.amount) FROM \"RIGS_payment\" AS p WHERE p.invoice_id=\"RIGS_invoice\".id) AS \"payments\", " \
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"\"RIGS_invoice\".\"id\", \"RIGS_invoice\".\"event_id\", \"RIGS_invoice\".\"invoice_date\", \"RIGS_invoice\".\"void\" FROM \"RIGS_invoice\") " \
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"AS sub " \
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"WHERE (((cost > 0.0) AND (payment_count=0)) OR (cost - payments) <> 0.0) AND void = '0'" \
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"ORDER BY invoice_date"
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query = self.model.objects.raw(sql)
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return query
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class InvoiceDetail(generic.DetailView):
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model = models.Invoice
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template_name = 'invoice_detail.html'
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def get_context_data(self, **kwargs):
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context = super(InvoiceDetail, self).get_context_data(**kwargs)
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context['page_title'] = "Invoice {} ({}) ".format(self.object.display_id, self.object.invoice_date.strftime("%d/%m/%Y"))
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if self.object.void:
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context['page_title'] += "<span class='badge badge-warning float-right'>VOID</span>"
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elif self.object.is_closed:
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context['page_title'] += "<span class='badge badge-success float-right'>PAID</span>"
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else:
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context['page_title'] += "<span class='badge badge-info float-right'>OUTSTANDING</span>"
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return context
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class InvoicePrint(generic.View):
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def get(self, request, pk):
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invoice = get_object_or_404(models.Invoice, pk=pk)
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object = invoice.event
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template = get_template('event_print.xml')
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context = {
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'object': object,
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'invoice': invoice,
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'current_user': request.user,
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'filename': 'Invoice {} for {} {}.pdf'.format(invoice.display_id, object.display_id, re.sub(r'[^a-zA-Z0-9 \n\.]', '', object.name))
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}
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rml = template.render(context)
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buffer = rml2pdf.parseString(rml)
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pdfData = buffer.read()
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response = HttpResponse(content_type='application/pdf')
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response['Content-Disposition'] = 'filename="{}"'.format(context['filename'])
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response.write(pdfData)
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return response
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class InvoiceVoid(generic.View):
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def get(self, *args, **kwargs):
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pk = kwargs.get('pk')
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object = get_object_or_404(models.Invoice, pk=pk)
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object.void = not object.void
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object.save()
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if object.void:
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return HttpResponseRedirect(reverse('invoice_list'))
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return HttpResponseRedirect(reverse('invoice_detail', kwargs={'pk': object.pk}))
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class InvoiceDelete(generic.DeleteView):
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model = models.Invoice
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template_name = 'invoice_confirm_delete.html'
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def get(self, request, pk):
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obj = self.get_object()
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if obj.payment_set.all().count() > 0:
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messages.info(self.request, 'To delete an invoice, delete the payments first.')
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return HttpResponseRedirect(reverse('invoice_detail', kwargs={'pk': obj.pk}))
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return super(InvoiceDelete, self).get(pk)
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def post(self, request, pk):
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obj = self.get_object()
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if obj.payment_set.all().count() > 0:
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messages.info(self.request, 'To delete an invoice, delete the payments first.')
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return HttpResponseRedirect(reverse('invoice_detail', kwargs={'pk': obj.pk}))
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return super(InvoiceDelete, self).post(pk)
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def get_success_url(self):
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return self.request.POST.get('next')
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class InvoiceArchive(generic.ListView):
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model = models.Invoice
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template_name = 'invoice_list_archive.html'
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paginate_by = 25
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def get_context_data(self, **kwargs):
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context = super(InvoiceArchive, self).get_context_data(**kwargs)
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context['page_title'] = "Invoice Archive"
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context['description'] = "This page displays all invoices: outstanding, paid, and void"
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return context
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def get_queryset(self):
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q = self.request.GET.get('q', "")
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filter = Q(event__name__icontains=q)
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# try and parse an int
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try:
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val = int(q)
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filter = filter | Q(pk=val)
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filter = filter | Q(event__pk=val)
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except: # noqa
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# not an integer
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pass
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try:
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if q[0] == "N":
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val = int(q[1:])
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filter = Q(event__pk=val) # If string is Nxxxxx then filter by event number
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elif q[0] == "#":
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val = int(q[1:])
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filter = Q(pk=val) # If string is #xxxxx then filter by invoice number
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except: # noqa
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pass
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object_list = self.model.objects.filter(filter).order_by('-invoice_date')
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return object_list
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class InvoiceWaiting(generic.ListView):
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model = models.Event
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paginate_by = 25
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template_name = 'invoice_list_waiting.html'
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def get_context_data(self, **kwargs):
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context = super(InvoiceWaiting, self).get_context_data(**kwargs)
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total = 0
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objects = self.get_queryset()
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for obj in objects:
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total += obj.sum_total
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context['page_title'] = "Events for Invoice ({} Events, £{:.2f})".format(len(objects), total)
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return context
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def get_queryset(self):
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return self.model.objects.waiting_invoices()
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class InvoiceEvent(generic.View):
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@transaction.atomic()
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@reversion.create_revision()
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def get(self, *args, **kwargs):
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reversion.set_user(self.request.user)
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epk = kwargs.get('pk')
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event = models.Event.objects.get(pk=epk)
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invoice, created = models.Invoice.objects.get_or_create(event=event)
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if created:
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invoice.invoice_date = datetime.date.today()
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messages.success(self.request, 'Invoice created successfully')
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if kwargs.get('void'):
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invoice.void = not invoice.void
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invoice.save()
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messages.warning(self.request, 'Invoice voided')
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return HttpResponseRedirect(reverse('invoice_detail', kwargs={'pk': invoice.pk}))
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class PaymentCreate(generic.CreateView):
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model = models.Payment
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fields = ['invoice', 'date', 'amount', 'method']
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template_name = 'payment_form.html'
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def get_initial(self):
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initial = super(generic.CreateView, self).get_initial()
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invoicepk = self.request.GET.get('invoice', self.request.POST.get('invoice', None))
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if invoicepk is None:
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raise Http404()
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invoice = get_object_or_404(models.Invoice, pk=invoicepk)
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initial.update({'invoice': invoice})
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return initial
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@transaction.atomic()
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@reversion.create_revision()
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def form_valid(self, form, *args, **kwargs):
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reversion.add_to_revision(form.cleaned_data['invoice'])
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reversion.set_comment("Payment added")
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return super().form_valid(form, *args, **kwargs)
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def get_success_url(self):
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messages.info(self.request, "location.reload()")
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return reverse('closemodal')
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class PaymentDelete(generic.DeleteView):
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model = models.Payment
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template_name = 'payment_confirm_delete.html'
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@transaction.atomic()
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@reversion.create_revision()
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def delete(self, *args, **kwargs):
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reversion.add_to_revision(self.get_object().invoice)
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reversion.set_comment("Payment removed")
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return super().delete(*args, **kwargs)
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def get_success_url(self):
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return self.request.POST.get('next')
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