start

cards/views.py

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+from django.shortcuts import render, get_object_or_404, redirect
+from django.http import HttpResponse, HttpResponseBadRequest
+from django.template.loader import render_to_string
+from .models import Dinosaur
+from .forms import DinosaurForm
+
+
+def is_htmx(request):
+    return request.headers.get('HX-Request') == 'true'
+
+
+def card_list(request):
+    cards = Dinosaur.objects.all()
+    if is_htmx(request):
+        return render(request, 'cards/_cards_list.html', {'cards': cards})
+    return render(request, 'cards/list.html', {'cards': cards})
+
+
+def card_create(request):
+    if request.method == 'POST':
+        form = DinosaurForm(request.POST, request.FILES)
+        if form.is_valid():
+            card = form.save()
+            if is_htmx(request):
+                card_html = render_to_string('cards/_card_item.html', {'card': card}, request=request)
+                # Also return an out-of-band fragment to replace/clear the form container
+                form_html = render_to_string('cards/_form.html', {'form': DinosaurForm()}, request=request)
+                oob = f'<div id="htmx-form" hx-swap-oob="true">{form_html}</div>'
+                return HttpResponse(card_html + oob)
+            return redirect('cards:list')
+        else:
+            if is_htmx(request):
+                # Return the form as an out-of-band fragment so it updates the form container
+                form_html = render_to_string('cards/_form.html', {'form': form}, request=request)
+                oob = f'<div id="htmx-form" hx-swap-oob="true">{form_html}</div>'
+                return HttpResponse(oob)
+    else:
+        form = DinosaurForm()
+
+    return render(request, 'cards/_form.html', {'form': form})
+
+
+def card_edit(request, pk):
+    card = get_object_or_404(Dinosaur, pk=pk)
+    if request.method == 'POST':
+        form = DinosaurForm(request.POST, request.FILES, instance=card)
+        if form.is_valid():
+            card = form.save()
+            if is_htmx(request):
+                card_html = render_to_string('cards/_card_item.html', {'card': card}, request=request)
+                # Clear the form container via OOB so the edit form disappears after successful save
+                oob = '<div id="htmx-form" hx-swap-oob="true"></div>'
+                return HttpResponse(card_html + oob)
+            return redirect('cards:list')
+        else:
+            if is_htmx(request):
+                form_html = render_to_string('cards/_form.html', {'form': form, 'card': card}, request=request)
+                oob = f'<div id="htmx-form" hx-swap-oob="true">{form_html}</div>'
+                return HttpResponse(oob)
+    else:
+        form = DinosaurForm(instance=card)
+
+    return render(request, 'cards/_form.html', {'form': form, 'card': card})
+
+
+def card_delete(request, pk):
+    card = get_object_or_404(Dinosaur, pk=pk)
+    if request.method == 'POST':
+        card.delete()
+        if is_htmx(request):
+            return HttpResponse(status=204)
+        return redirect('cards:list')
+    return HttpResponseBadRequest('Only POST allowed')