Add/remove/change image on box detail page added

boxes/views.py

@@ -3,7 +3,7 @@ from django.db.models import Q
 from django.http import HttpResponse, JsonResponse
 from django.shortcuts import get_object_or_404, redirect, render
 
-from .forms import ThingFormSet
+from .forms import ThingFormSet, ThingPictureForm
 from .models import Box, Thing, ThingType
 
 
@@ -44,20 +44,38 @@ def thing_detail(request, thing_id):
         Thing.objects.select_related('thing_type', 'box', 'box__box_type'),
         pk=thing_id
     )
-    
+
     boxes = Box.objects.select_related('box_type').all().order_by('id')
-    
+    picture_form = ThingPictureForm(instance=thing)
+
     if request.method == 'POST':
-        new_box_id = request.POST.get('new_box')
-        if new_box_id:
-            new_box = get_object_or_404(Box, pk=new_box_id)
-            thing.box = new_box
-            thing.save()
+        action = request.POST.get('action')
+
+        if action == 'move':
+            new_box_id = request.POST.get('new_box')
+            if new_box_id:
+                new_box = get_object_or_404(Box, pk=new_box_id)
+                thing.box = new_box
+                thing.save()
+                return redirect('thing_detail', thing_id=thing.id)
+
+        elif action == 'upload_picture':
+            picture_form = ThingPictureForm(request.POST, request.FILES, instance=thing)
+            if picture_form.is_valid():
+                picture_form.save()
+                return redirect('thing_detail', thing_id=thing.id)
+
+        elif action == 'delete_picture':
+            if thing.picture:
+                thing.picture.delete()
+                thing.picture = None
+                thing.save()
             return redirect('thing_detail', thing_id=thing.id)
-    
+
     return render(request, 'boxes/thing_detail.html', {
         'thing': thing,
         'boxes': boxes,
+        'picture_form': picture_form,
     })