Fix: auto-split rentals with >5 items; update create_done text

fet2020/rental/urls.py

@@ -10,7 +10,7 @@ urlpatterns = [
     path("overview/", RentalListView.as_view(), name="index"),
     path("request-rental/", RentalCreateView.as_view(), name="rental_create"),
     path(
-        "request-rental/<int:pk>/done/",
+        "request-rental/done/",
         RentalCreateDoneView.as_view(),
         name="rental_create_done",
     ),

fet2020/rental/views.py

@@ -3,6 +3,7 @@ import datetime
 from datetime import date
 
 from django.db.models import Q
+from django.http import HttpResponseRedirect
 from django.shortcuts import render
 from django.urls import reverse
 from django.views.generic import ListView, TemplateView
@@ -12,6 +13,9 @@ from django.views.generic.edit import CreateView
 from .forms import RentalCreateForm
 from .models import Rental, RentalItem
 
+# Maximum number of rental items per rental entry because of table size limitations in PDF file
+RENTAL_ITEMS_MAX = 5
+
 
 def _calc_days_from_current_month(month: date) -> list:
     last_day_of_month = month.replace(day=calendar.monthrange(month.year, month.month)[1])
@@ -185,7 +189,7 @@ class RentalListView(ListView):
                     if rental["rentalitems__name"] not in rental_dict[day]:
                         rental_dict[day].append(rental["rentalitems__name"])
 
-        context["rental_dict"] = rental_dict
+        context["rental_dict"] = {k: sorted(v, key=str.casefold) for k, v in rental_dict.items()}
 
         return context
 
@@ -223,6 +227,35 @@ class RentalCreateView(CreateView):
     model = Rental
     template_name = "rental/create.html"
 
+    def form_valid(self, form):
+        # Get unsaved base Rental with all form data
+        base_rental = form.save(commit=False)
+        items = list(form.cleaned_data["rentalitems"])
+        selected_items = sorted(items, key=lambda x: x.name.lower())
+
+        for i in range(0, len(selected_items), RENTAL_ITEMS_MAX):
+            batch = selected_items[i:i + RENTAL_ITEMS_MAX]
+
+            # Clone base_rental — copying all its field values
+            new_rental = Rental.objects.create(
+                firstname=base_rental.firstname,
+                surname=base_rental.surname,
+                matriculation_number=base_rental.matriculation_number,
+                email=base_rental.email,
+                phone=base_rental.phone,
+                organization=base_rental.organization,
+                date_start=base_rental.date_start,
+                date_end=base_rental.date_end,
+                reason=base_rental.reason,
+                comment=base_rental.comment,
+                status=base_rental.status,
+            )
+
+            # Important: Add M2M relations after the object has been saved
+            new_rental.rentalitems.add(*batch)
+
+        return HttpResponseRedirect(self.get_success_url())
+
     def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
 
@@ -231,26 +264,11 @@ class RentalCreateView(CreateView):
         return context
 
     def get_success_url(self):
-        return reverse("rental:rental_create_done", kwargs={"pk": self.object.pk})
-
+        return reverse("rental:rental_create_done")
 
 class RentalCreateDoneView(TemplateView):
     template_name = "rental/create_done.html"
 
-    def get_context_data(self, **kwargs):
-        context = super().get_context_data(**kwargs)
-
-        obj = Rental.objects.get(pk=self.kwargs["pk"])
-
-        total_deposit = 0
-        for elem in obj.rentalitems.all():
-            total_deposit += elem.deposit
-
-        context["object"] = obj
-        context["total_deposit"] = total_deposit
-
-        return context
-
 
 class RentalItemDetailView(DetailView):
     model = RentalItem

fet2020/templates/rental/create_done.html

@@ -7,7 +7,12 @@
 <main class="container mx-auto w-full px-4 my-8 flex-1 max-w-2xl">
   <section class="block w-full">
     <p class="mt-6 text-gray-900 dark:text-gray-100 hyphens-auto" lang="de">
-            Deine Verleihanfrage mit der Nummer #{{ pk }} wurde erfolgreich eingereicht. Die Gegenstände können am {{ object.date_start }} während der Beratungszeit (Montag - Donnerstag: 09:00 - 14:00, Freitag: 09:00 - 12:00) abgeholt werden. Bitte bring den Gesamtpfand in Höhe von {{ total_deposit }} € in bar mit.
+      Deine Verleihanfrage ist eingegangen - danke dir! 🎉
+      Wir kümmern uns jetzt darum und melden uns per E-Mail mit den nächsten Schritten.
+    </p>
+    <p class="mt-6 text-gray-900 dark:text-gray-100 hyphens-auto" lang="de">
+      Kleiner Hinweis: Bevor du die Sachen abholen kannst, wird deine Anfrage kurz geprüft und freigegeben.
+      Sobald alles genehmigt ist, bekommst du von uns eine Mail.
     </p>
     <div class="mt-10 flex items-center justify-center">
       <a href="{% url 'home' %}" type="submit" class="block btn btn-primary">Zur Startseite</a>