add Verleihformular

fet2020/rental/admin.py

@@ -1,7 +1,9 @@
-from django.contrib import admin
+from django.contrib import admin, messages
+from django.http import HttpResponseRedirect
 
 from .forms import RentalAdminForm, RentalItemAdminForm
 from .models import Rental, RentalItem
+from .utils import generate_rental_pdf
 
 
 @admin.register(Rental)
@@ -49,6 +51,7 @@ class RentalAdmin(admin.ModelAdmin):
             {
                 "fields": (
                     "comment",
+                    "file_field",
                     "status",
                 ),
             },
@@ -63,8 +66,29 @@ class RentalAdmin(admin.ModelAdmin):
     def change_view(self, request, object_id, form_url="", extra_context=None):
         extra_context = extra_context or {}
         extra_context["help_text"] = "Fette Schriften sind Pflichtfelder."
+        extra_context["generate_rental_pdf"] = True
         return super().change_view(request, object_id, form_url, extra_context=extra_context)
 
+    def response_change(self, request, obj):
+        if "_generate_rental_pdf" in request.POST:
+            if generate_rental_pdf(obj):
+                self.message_user(
+                    request,
+                    "Neues Verleihformular wurde generiert.",
+                    messages.SUCCESS,
+                )
+            else:
+                self.message_user(
+                    request,
+                    (
+                        "Das PDF-Dokument konnte nicht generiert werden, da der Status nicht auf "
+                        "'Verleih genehmigt' gesetzt ist."
+                    ),
+                    messages.WARNING,
+                )
+            return HttpResponseRedirect(".")
+        return super().response_change(request, obj)
+
     def save_model(self, request, obj, form, change):
         obj.author = request.user
         super().save_model(request, obj, form, change)

fet2020/rental/models.py

@@ -1,3 +1,4 @@
+from django.core.validators import FileExtensionValidator
 from django.db import models
 from django.forms import ValidationError
 
@@ -48,6 +49,14 @@ class Rental(models.Model):
 
     comment = models.TextField(verbose_name="Kommentar", max_length=500, blank=True, default="")
 
+    file_field = models.FileField(
+        upload_to="uploads/rental/rental/",
+        validators=[FileExtensionValidator(["pdf"])],
+        blank=True,
+        null=True,
+        verbose_name="Verleihformular",
+    )
+
     class Status(models.TextChoices):
         SUBMITTED = "S", "Eingereicht"
         APPROVED = "A", "Verleih genehmigt"

fet2020/rental/utils.py

@@ -0,0 +1,66 @@
+import io
+from pathlib import Path
+
+from django.core.files import File
+from pypdf import PdfReader, PdfWriter
+
+from .models import Rental
+
+
+def generate_rental_pdf(rental: Rental) -> bool:
+    if not rental or rental.status != Rental.Status.APPROVED:
+        return False
+
+    # Get data for pdf
+    data = {}
+    data.update(
+        {
+            "Vorname": rental.firstname,
+            "Nachname": rental.surname,
+            "Orga": rental.organization,
+            "Matrikelnummer": rental.matriculation_number,
+            "E-Mail": rental.email,
+            "Telefonnummer": rental.phone,
+            # Change to the correct date format
+            "Abholdatum": str(rental.date_start.strftime("%d.%m.%Y")),
+            "Rückgabedatum": str(rental.date_end.strftime("%d.%m.%Y")),
+        },
+    )
+
+    total_deposit = 0
+
+    for i, item in enumerate(rental.rentalitems.all(), start=1):
+        total_deposit += item.deposit
+        data.update(
+            {
+                f"Produkt Row{i}": item.name,
+                f"Menge Row{i}": "1",
+                f"Kaution Row{i}": item.deposit,
+            },
+        )
+
+    data.update(
+        {
+            "Gesamtkaution": total_deposit,
+        },
+    )
+
+    # Write data in pdf
+    pdf_path = Path(Path(__file__).parent) / "static/rental/Verleihformular.pdf"
+    reader = PdfReader(pdf_path)
+    writer = PdfWriter()
+    writer.append(reader)
+
+    writer.update_page_form_field_values(
+        writer.pages[0],
+        data,
+    )
+
+    with io.BytesIO() as bytes_stream:
+        writer.write(bytes_stream)
+
+        # Save pdf in rental
+        rental_name = f"Verleihformular-{str(rental.pk).zfill(4)}.pdf"
+        rental.file_field.save(rental_name, File(bytes_stream, rental_name))
+
+    return True

fet2020/static/css/styles.css

@@ -5914,6 +5914,11 @@ footer .copyright {
   color: rgb(37 99 235 / var(--tw-text-opacity, 1));
 }
 
+.hover\:text-blue-700:hover {
+  --tw-text-opacity: 1;
+  color: rgb(29 78 216 / var(--tw-text-opacity, 1));
+}
+
 .hover\:text-gray-600:hover {
   --tw-text-opacity: 1;
   color: rgb(75 85 99 / var(--tw-text-opacity, 1));
@@ -6337,6 +6342,11 @@ footer .copyright {
   background-color: rgb(8 47 73 / var(--tw-bg-opacity, 1));
 }
 
+.dark\:hover\:text-blue-300:hover:is(.dark *) {
+  --tw-text-opacity: 1;
+  color: rgb(147 197 253 / var(--tw-text-opacity, 1));
+}
+
 .dark\:hover\:text-blue-500:hover:is(.dark *) {
   --tw-text-opacity: 1;
   color: rgb(59 130 246 / var(--tw-text-opacity, 1));

fet2020/templates/admin/submit_line.html

@@ -7,5 +7,6 @@
         <a href="{% add_preserved_filters changelist_url %}" class="closelink">{% translate 'Close' %}</a>
     {% endif %}
     {% if generate_pdf %}<input type="submit" value="PDF File generieren" class="default" name="_generate_pdf">{% endif %}
+    {% if generate_rental_pdf %}<input type="submit" value="PDF File generieren" class="default" name="_generate_rental_pdf">{% endif %}
     {{ block.super }}
 {% endblock submit-row %}

fet2020/templates/rental/create.html

@@ -64,7 +64,7 @@
                             >
                             <a
                                 href="{% url 'rental:rentalitem_detail' elem.data.value %}"
-                                class="text-gray-700 dark:text-gray-200"
+                                class="text-gray-700 dark:text-gray-200 underline hover:text-blue-700 dark:hover:text-blue-300"
                             >{{ elem.choice_label }}</a>
                         </label>
                 

fet2020/templates/rental/rentalitem_detail.html

@@ -12,7 +12,7 @@
             {% if object.description %}
                 <div class="col-span-full">
                     <label>
-                        <h2 class="text-xl font-black text-gray-700 dark:text-gray-200">Beschreibung</h2>
+                        <h2 class="font-black text-gray-700 dark:text-gray-200">Beschreibung</h2>
                         <p class="text-gray-700 dark:text-gray-200">{{ object.description|safe }}</p>
                     </label>
                 </div>