Speiseplan für einen Tag mit Pager erstellt.
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@@ -13,7 +13,7 @@
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<div class="row justify-content-center">
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<div class="col-md-8">
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<div class="card shadow">
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<div class'card-header bg-primary text-white text-center py-3'>
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<div class='card-header bg-primary text-white text-center py-3'>
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<h1><i class="bi bi-egg-fried"></i> Unsere Speisekarte</h1>
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</div>
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<div class="card-body">
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@@ -1,6 +1,8 @@
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from django.urls import path
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from .views import GerichtListView
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from .views import SpeiseplanView # Achte auf den neuen Klassennamen!
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urlpatterns = [
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path('speisekarte/', GerichtListView.as_view(), name='gericht_list'),
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path('speiseplan/', SpeiseplanView.as_view(), name='speiseplan'),
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]
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@@ -9,3 +9,42 @@ class GerichtListView(ListView):
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template_name = 'mensa_app/gericht_liste.html' # Der Pfad zum Template
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context_object_name = 'alle_gerichte' # Der Name, den wir im Template nutzen
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from django.views.generic import TemplateView
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from django.utils import timezone
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from datetime import datetime
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from .models import Menue, Gericht, SpeiseplanTag
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class SpeiseplanView(TemplateView):
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template_name = 'mensa_app/speiseplan.html'
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def get_context_data(self, **kwargs):
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context = super().get_context_data(**kwargs)
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# 1. Datum aus der URL holen (z.B. ?datum=2023-10-27)
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# Wenn kein Datum angegeben ist, nehmen wir heute.
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date_str = self.request.GET.get('datum')
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if date_str:
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try:
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target_date = datetime.strptime(date_str, '%Y-%m-%d').date()
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except ValueError:
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target_date = timezone.glob.now().date()
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else:
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target_date = timezone.now().date()
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# 2. Menüs für diesen spezifischen Tag laden
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# Wir suchen alle Menüs, deren Tag das target_date hat
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context['target_date'] = target_date
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context['menues_day'] = Menue.objects.filter(tag__datum=target_date)
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# 3. Dauerangebote laden (unabhängig vom Tag)
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context['dauerangebote'] = Gericht.objects.filter(ist_dauerangebot=True)
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# 4. Pager-Logik: Vorherigen und nächsten Tag finden
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# Wir suchen in der Tabelle SpeiseplanTag nach dem Tag davor/danach
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prev_tag = SpeiseplanTag.objects.filter(datum__lt=target_date).order_by('-datum').first()
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next_tag = SpeiseplanTag.objects.filter(datum__gt=target_date).order_by('datum').first()
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context['prev_date'] = prev_tag.datum.strftime('%Y-%m-%d') if prev_tag else None
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context['next_date'] = next_tag.datum.strftime('%Y-%m-%d') if next_tag else None
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return context
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