Remove pycache and sqlite from version control

.gitignore

@@ -0,0 +1,4 @@
+__pycache__/
+*.pyc
+*.sqlite3
+

.kdev4/SGTMensa.kdev4

@@ -0,0 +1,5 @@
+[Buildset]
+BuildItems=@Variant(\x00\x00\x00\t\x00\x00\x00\x00\x01\x00\x00\x00\x0b\x00\x00\x00\x00\x01\x00\x00\x00\x10\x00S\x00G\x00T\x00M\x00e\x00n\x00s\x00a)
+
+[Project]
+VersionControlSupport=kdevgit

mensa_app/customer_order_process_v1.puml

@@ -0,0 +1,65 @@
+@startuml
+
+' Teilnehmer – Standard‑Icons
+actor Student              as "Student"
+participant Browser        as "Browser"
+participant WebsiteServer  as "Website Server"
+database OrderDB           as "Order DB"
+participant OrderService   as "Order Service"
+participant InventoryService as "Inventory Service"
+participant KitchenDisplaySystem as "Kitchen Display"
+participant NotificationService as "Notification Service"
+
+' ---------- Login ----------
+Student -> Browser : Öffnet die Webseite
+Browser -> WebsiteServer : GET /login
+WebsiteServer --> Browser : Liefert Login‑Seite
+Student -> Browser : Gibt Benutzerdaten ein und schickt Formular
+Browser -> WebsiteServer : POST /login\n{username, password}
+WebsiteServer --> OrderService : Authentifiziere User
+OrderService --> WebsiteServer : OK (Session‑Token)
+WebsiteServer --> Browser : Setzt Session‑Cookie & leitet zur Menüseite
+
+' ---------- Menü auswählen ----------
+Student -> Browser : Wählt Speisen aus dem Menü
+Browser -> WebsiteServer : GET /menu\n{session}
+WebsiteServer --> OrderDB : Liefert aktuelle Menüpunkte
+OrderDB --> WebsiteServer : Menüdaten
+WebsiteServer --> Browser : Zeigt Menü
+
+' ---------- Artikel zum Warenkorb hinzufügen ----------
+loop Für jeden gewählten Artikel
+    Student -> Browser : Klickt „In den Warenkorb“
+    Browser -> OrderService : POST /cart/add\n{session, articleID}
+    OrderService -> OrderDB : Update Cart (Add Item)
+    OrderDB --> OrderService : OK
+    OrderService --> Browser : Rückmeldung "Artikel hinzugefügt"
+end
+
+' ---------- Bestellung prüfen ----------
+Student -> Browser : Öffnet Warenkorb und prüft Bestellübersicht
+Browser -> OrderService : GET /cart\n{session}
+OrderService -> OrderDB : Liefert aktuelle Cart‑Daten
+OrderDB --> OrderService : Cart‑Details
+OrderService --> Browser : Zeigt Cart‑Übersicht
+
+' ---------- Checkout (ohne Bezahlung) ----------
+Student -> Browser : Klicke „Zur Kasse“
+Browser -> WebsiteServer : GET /checkout\n{session}
+WebsiteServer --> NotificationService : Sende “Bestellung anstehend” (Optional)
+NotificationService --> Browser : Bestätigungsnachricht
+Student -> Browser : Gibt Zahlungsinformationen für Bezahlung vor Ort ein und schickt Formular
+Browser -> OrderService : POST /checkout/confirm\n{session, paymentMethod="VorOrt"}
+OrderService --> OrderDB : Speichere Order & set Status “Pending Payment”
+OrderDB --> OrderService : OK
+OrderService --> KitchenDisplaySystem : Sende Order‑Details (Zubereitung)
+KitchenDisplaySystem --> Browser : Zeigt „Bestellung in Bearbeitung“
+OrderService -> InventoryService : Update Bestand
+InventoryService --> OrderService : OK
+OrderService --> NotificationService : Sende “Bestellung bestätigt” (Email/SMS)
+
+' ---------- Fertigstellung ----------
+Student -> Browser : Empfängt Benachrichtigung “Ihr Essen ist fertig”
+Browser -> KitchenDisplaySystem : Optional „Abholung bestätigen“
+
+@enduml

mensa_app/migrations/0005_alter_bestellung_id_alter_gericht_id_and_more.py

@@ -0,0 +1,72 @@
+# Generated by Django 5.2.14 on 2026-05-15 09:28
+
+import datetime
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mensa_app', '0004_alter_gericht_time_creation_and_more'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='bestellung',
+            name='id',
+            field=models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID'),
+        ),
+        migrations.AlterField(
+            model_name='gericht',
+            name='id',
+            field=models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID'),
+        ),
+        migrations.AlterField(
+            model_name='gericht',
+            name='time_creation',
+            field=models.TimeField(default=datetime.datetime(2026, 5, 15, 9, 28, 5, 292454)),
+        ),
+        migrations.AlterField(
+            model_name='gericht',
+            name='time_last_change',
+            field=models.TimeField(default=datetime.datetime(2026, 5, 15, 9, 28, 5, 292454)),
+        ),
+        migrations.AlterField(
+            model_name='kategorie',
+            name='id',
+            field=models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID'),
+        ),
+        migrations.AlterField(
+            model_name='menue',
+            name='id',
+            field=models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID'),
+        ),
+        migrations.AlterField(
+            model_name='person',
+            name='id',
+            field=models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID'),
+        ),
+        migrations.AlterField(
+            model_name='speiseplantag',
+            name='id',
+            field=models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID'),
+        ),
+        migrations.CreateModel(
+            name='Bewertung',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('sterne', models.IntegerField(choices=[(1, '★☆☆☆☆'), (2, '★★☆☆☆'), (3, '★★★☆☆'), (4, '★★★★☆'), (5, '★★★★★')], default=3)),
+                ('kommentar', models.TextField(blank=True, null=True)),
+                ('datum', models.DateTimeField(auto_now_add=True)),
+                ('ist_verifiziert', models.BooleanField(default=False, help_text='Wird automatisch auf True gesetzt, wenn eine bezahlte Bestellung vorliegt.')),
+                ('gericht', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='bewertungen', to='mensa_app.gericht')),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='bewertungen', to='mensa_app.person')),
+            ],
+            options={
+                'verbose_name': 'Bewertung',
+                'verbose_name_plural': 'Bewertungen',
+                'unique_together': {('user', 'gericht')},
+            },
+        ),
+    ]

mensa_app/templates/mensa_app/bestell_summary.html

@@ -0,0 +1,81 @@
+
+<!DOCTYPE html>
+<html lang="de">
+<head>
+    <meta charset="UTF-8">
+    <title>Bestell-Zusammenfassung</title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
+</head>
+<body class="bg-light">
+
+<div class="container mt-5">
+    <!-- PAGER & DATUM -->
+    <div class="card shadow mb-4">
+        <div class="card-body text-center">
+            <h2 class="mb-3">Bestell-Check für den <span class="text-success">{{ target_date|date:"d.m.Y" }}</span></h2>
+            <div class="btn-group">
+                <a href="?datum={{ prev_date }}" class="btn btn-outline-secondary {% if not prev_date %}disabled{% endif %}">&laquo; Vorheriger Tag</a>
+                <a href="?" class="btn btn-primary">Heute</a>
+                <a href="?datum={{ next_date }}" class="btn btn-outline-secondary {% if not next_date %}disabled{% endif %}">Nächster Tag &raquo;</a>
+            </div>
+        </div>
+    </div>
+
+    <!-- DASHBOARD CARDS -->
+    <div class="row mb-4">
+        <div class="col-md-6">
+            <div class="card bg-white shadow border-start border-primary border-5">
+                <div class="card-body">
+                    <h6 class="text-muted">Gesamtanzahl Bestellungen</h6>
+                    <h3 class="mb-0">{{ total_bestellungen }}</h3>
+                </div>
+            </div>
+        </div>
+        <div class="col-md-6">
+            <div class="card bg-white shadow border-start border-success border-5">
+                <div class="card-body">
+                    <h6 class="text-muted">Erwarteter Umsatz</h6>
+                    <h3 class="mb-0">{{ total_umsatz|floatformat:2 }} €</h3>
+                </div>
+            </div>
+        </div>
+    </div>
+
+    <!-- DETAILS TABELLE -->
+    <div class="card shadow">
+        <div class="card-header bg-dark text-white">Details pro Gericht</div>
+        <div class="card-body p-0">
+            <table class="table table-hover mb-0">
+                <thead class="table-light">
+                    <tr>
+                        <th>Gericht</th>
+                        <th>Kategorie</th>
+                        <th class="text-center">Menge</th>
+                        <th class="text-end">Umsatz</th>
+                    </tr>
+                </thead>
+                <tbody>
+                    {% for stat in summary_stats %}
+                    <tr>
+                        <td><strong>{{ stat.menue__gericht__name }}</strong></td>
+                        <td><span class="badge bg-info text-dark">{{ stat.menue__gericht__kategorie__name }}</span></td>
+                        <td class="text-center">{{ stat.anzahl }}</td>
+                        <td class="text-end">{{ stat.umsatz|floatformat:2 }} €</td>
+                    </tr>
+                    {% empty %}
+                    <tr>
+                        <td colspan="4" class="text-center py-4 text-muted">Keine Bestellungen für diesen Tag vorhanden.</td>
+                    </tr>
+                    {% endfor %}
+                </tbody>
+            </table>
+        </div>
+    </div>
+
+    <div class="mt-3 text-end">
+        <a href="{% url 'speisekarte' %}" class="btn btn-link text-decoration-none">&larr; Zurück zur Speisekarte</a>
+    </div>
+</div>
+
+</body>
+</html>

mensa_app/templates/mensa_app/gericht_list.html

@@ -0,0 +1,55 @@
+<!DOCTYPE html>
+<html lang="de">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Mensa-Speisekarte</title>
+    <!-- Bootstrap CSS für schnelles Styling -->
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
+</head>
+<body class="bg-light">
+
+<div class="container mt-5">
+    <div class="row justify-content-center">
+        <div class="col-md-8">
+            <div class="card shadow">
+                <div class='card-header bg-primary text-white text-center py-3'>
+                    <h1><i class="bi bi-egg-fried"></i> Unsere Speisekarte</h1>
+                </div>
+                <div class="card-body">
+                    <table class="table table-hover">
+                        <thead class="table-dark">
+                            <tr>
+                                <th>Gericht</th>
+                                <th>Kategorie</th>
+                                <th>Status</th>
+                            </tr>
+                        </thead>
+                        <tbody>
+                            {% for gericht in alle_gerichte %}
+                            <tr>
+                                <td><strong>{{ gericht.name }}</strong></td>
+                                <td><span class="badge bg-info text-dark">{{ gericht.kategorie.name }}</span></td>
+                                <td>
+                                    {% if gericht.ist_dauerangebot %}
+                                        <span class="badge bg-success">Dauerangebot</span>
+                                    {% else %}
+                                        <span class="badge bg-secondary">Tagesangebot</span>
+                                    {% endif %}
+                                </td>
+                            </tr>
+                            {% empty %}
+                            <tr>
+                                <td colspan="3" class="text-center text-muted">Keine Gerichte im System gefunden.</td>
+                            </tr>
+                            {% endfor %}
+                        </tbody>
+                    </table>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+
+</body>
+</html>

mensa_app/templates/mensa_app/speiseplan.html

@@ -0,0 +1,92 @@
+<!DOCTYPE html>
+<html lang="de">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Mensa Speiseplan</title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
+</head>
+<body class="bg-light">
+
+<div class="container mt-5">
+    <div class="row justify-content-center">
+        <div class="col-md-8">
+
+            <!-- PAGER & DATUM ANZEIGE -->
+            <div class="card shadow mb-4">
+                <div class="card-body text-center">
+                    <h2 class="mb-3">Speiseplan für den <br><span class="text-primary">{{ target_date|date:"d.m.Y" }}</span></h2>
+
+                    <div class="btn-group" role="group" aria-label="Datum Navigation">
+                        <!-- Button Zurück -->
+                        {% if prev_date %}
+                            <a href="?datum={{ prev_date }}" class="btn btn-outline-secondary">&laquo; Vorheriger Tag</a>
+                        {% else %}
+                    <button class="btn btn-outline-light text-muted" disabled>&laquo; Vorheriger</button>
+                        {% endif %}
+
+                        <!-- Button Heute (Reset) -->
+                        <a href="?" class="btn btn-primary">Heute</a>
+
+                        <!-- Button Weiter -->
+                        {% if next_date %}
+                            <a href="?datum={{ next_date }}" class="btn btn-outline-secondary">Nächster Tag &raquo;</a>
+                        {% else %}
+                            <button class="btn btn-outline-light text-muted" disabled>Nächster &raquo;</button>
+                        {% endif %}
+                    </div>
+                </div>
+            </div>
+
+            <!-- TABELLE DER TAGESMENÜS -->
+            <div class="card shadow mb-4">
+                <div class="card-header bg-dark text-white">Tagesmenüs</div>
+                <div class="card-body p-0">
+                    <table class="table table-striped mb-0">
+                        <thead>
+                            <tr>
+                                <th>Gericht</th>
+                                <th>Kategorie</th>
+                                <th>Preis</th>
+                            </tr>
+                        </thead>
+                        <tbody>
+                            {% for menue in menues_day %}
+                            <tr>
+                                <td>{{ menue.gericht.name }}</td>
+                                <td><span class="badge bg-info text-dark">{{ menue.gericht.kategorie.name }}</span></td>
+                                <td>{{ menue.preis|floatformat:2 }} €</td>
+                            </tr>
+                            {% empty %}
+                            <tr>
+                                <td colspan="3" class="text-center py-3 text-muted">Keine Tagesmenüs für diesen Tag geplant.</td>
+                            </tr>
+                            {% endfor %}
+                        </tbody>
+                    </table>
+                </div>
+            </div>
+
+            <!-- TABELLE DER DAUERANGEBOTE -->
+            <div class="card shadow">
+                <div class="card-header bg-success text-white">Immer verfügbar (Dauerangebote)</div>
+                <div class="card-body p-0">
+                    <ul class="list-group list-group-flush">
+                        {% for gericht in dauerangebote %}
+                        <li class="list-group-item d-flex justify-content-between align-items-center">
+                            {{ gericht.name }}
+                            <span class="badge bg-success rounded-pill">Verfügbar</span>
+                        </li>
+                        {% empty %}
+                        <li class="list-group-item text-muted">Momentan keine Dauerangebote.</li>
+                        {% endfor %}
+                    </ul>
+                </div>
+            </div>
+
+        </div>
+    </div>
+</div>
+
+</body>
+</html>

mensa_app/urls.py

@@ -0,0 +1,10 @@
+from django.urls import path
+from .views import GerichtListView
+from .views import SpeiseplanView  # Achte auf den neuen Klassennamen!
+from .views import BestellSummaryView
+
+urlpatterns = [
+    path('speisekarte/', GerichtListView.as_view(), name='speisekarte'),
+    path('speiseplan/', SpeiseplanView.as_view(), name='speiseplan'),
+    path('bestellungen/summary/', BestellSummaryView.as_view(), name='bestell_summary'),
+]

mensa_app/views.py

@@ -1,3 +1,101 @@
 from django.shortcuts import render
 
 # Create your views here.
+from django.views.generic import ListView
+from .models import Gericht
+
+class GerichtListView(ListView):
+    model = Gericht
+    template_name = 'mensa_app/gericht_liste.html'  # Der Pfad zum Template
+    context_object_name = 'alle_gerichte'          # Der Name, den wir im Template nutzen
+
+from django.views.generic import TemplateView
+from django.utils import timezone
+from datetime import datetime
+from .models import Menue, Gericht, SpeiseplanTag
+
+class SpeiseplanView(TemplateView):
+    template_name = 'mensa_app/speiseplan.html'
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+
+        # 1. Datum aus der URL holen (z.B. ?datum=2023-10-27)
+        # Wenn kein Datum angegeben ist, nehmen wir heute.
+        date_str = self.request.GET.get('datum')
+        if date_str:
+            try:
+                target_date = datetime.strptime(date_str, '%Y-%m-%d').date()
+            except ValueError:
+                target_date = timezone.glob.now().date()
+        else:
+            target_date = timezone.now().date()
+
+        # 2. Menüs für diesen spezifischen Tag laden
+        # Wir suchen alle Menüs, deren Tag das target_date hat
+        context['target_date'] = target_date
+        context['menues_day'] = Menue.objects.filter(tag__datum=target_date)
+
+        # 3. Dauerangebote laden (unabhängig vom Tag)
+        context['dauerangebote'] = Gericht.objects.filter(ist_dauerangebot=True)
+
+        # 4. Pager-Logik: Vorherigen und nächsten Tag finden
+        # Wir suchen in der Tabelle SpeiseplanTag nach dem Tag davor/danach
+        prev_tag = SpeiseplanTag.objects.filter(datum__lt=target_date).order_by('-datum').first()
+        next_tag = SpeiseplanTag.objects.filter(datum__gt=target_date).order_by('datum').first()
+
+        context['prev_date'] = prev_tag.datum.strftime('%Y-%m-%d') if prev_tag else None
+        context['next_date'] = next_tag.datum.strftime('%Y-%m-%d') if next_tag else None
+
+        return context
+
+
+from django.views.generic import TemplateView
+from django.utils import timezone
+from django.db.models import Count, Sum
+from datetime import datetime
+from .models import Bestellung, SpeiseplanTag, Gericht, Menue
+
+class BestellSummaryView(TemplateView):
+    template_name = 'mensa_app/bestell_summary.html'
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+
+        # 1. Datum aus der URL holen (wie beim Speiseplan)
+        date_str = self.request.GET.  get('datum')
+        if date_str:
+            try:
+                target_date = datetime.strptime(date_str, '%Y-%m-%d').date()
+            except ValueError:
+                target_date = timezone.now().date()
+        else:
+            target_date = timezone.now().date()
+
+        context['target_date'] = target_date
+
+        # 2. Aggregation: Bestellungen nach Gericht gruppieren
+        # Wir suchen alle Bestellungen, deren Menü am target_date stattfindet
+        summary_stats = (
+            Bestellung.objects.filter(menue__tag__datum=target_date)
+            .values('menue__gericht__name', 'menue__gericht__kategorie__name') # Gruppierung nach Name & Kategorie
+            .annotate(
+                anzahl=Count('id'),                      # Wie viele wurden bestellt?
+                umsatz=Sum('menue__preis')              # Was macht das für einen Umsatz?
+            )
+            .order_by('menue__gericht__name')
+        )
+        context['summary_stats'] = summary_stats
+
+        # 3. Pager-Logik (identisch mit dem Speiseplan-View)
+        prev_tag = SpeiseplanTag.objects.filter(datum__lt=target_date).order_by('-datum').first()
+        next_tag = SpeiseplanTag.objects.filter(datum__gt=target_date).order_by('datum').first()
+
+        context['prev_date'] = prev_tag.datum.strftime('%Y-%m-%d') if prev_tag else None
+        context['next_date'] = next_tag.datum.strftime('%Y-%m-%d') if next_tag else None
+
+        # 4. Gesamtzahlen für die Übersicht
+        context['total_bestellungen'] = Bestellung.objects.filter(menue__tag__datum=target_date).count()
+        context['total_umsatz'] = Bestellung.objects.filter(menue__tag__datum=target_date).aggregate(Sum('menue__preis'))['menue__preis__sum'] or 0
+
+        return context

mensa_core/urls.py

@@ -15,10 +15,12 @@ Including another URLconf
     2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
 """
 from django.contrib import admin
-from django.urls import path
+from django.urls import path, include
 from django.conf import settings
 from django.conf.urls.static import static
 
 urlpatterns = [
     path('admin/', admin.site.urls),
+    path('', include('mensa_app.urls')), # Schaltet die App-URLs frei
 ] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
+