feat: plant edit and delete with confirmation

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

plants/templates/plants/plant_confirm_delete.html

@@ -0,0 +1,17 @@
+{% extends "plants/base.html" %}
+{% block title %}Delete {{ plant.name }} — PlantDB{% endblock %}
+{% block content %}
+<div class="card mt-3">
+    <div class="card-body">
+        <h5 class="card-title">Delete "{{ plant.name }}"?</h5>
+        <p class="card-text text-muted">This will also delete all pruning history for this plant. This cannot be undone.</p>
+        <form method="POST">
+            {% csrf_token %}
+            <div class="d-flex gap-2">
+                <button type="submit" class="btn btn-danger">Yes, delete</button>
+                <a href="{% url 'plant_detail' plant.pk %}" class="btn btn-outline-secondary">Cancel</a>
+            </div>
+        </form>
+    </div>
+</div>
+{% endblock %}

plants/tests/test_views.py

@@ -182,3 +182,36 @@ class TestPlantAdd:
         )
         plant = Plant.objects.get(name='Garden Rose')
         assert plant.species == s
+
+
+@pytest.mark.django_db
+class TestPlantEdit:
+    def test_edit_form_shows_current_values(self, client):
+        plant = Plant.objects.create(name='Fern', location='Office', pruning_months=[3])
+        resp = client.get(reverse('plant_edit', args=[plant.pk]))
+        assert resp.status_code == 200
+        assert resp.context['plant'] == plant
+
+    def test_post_updates_plant(self, client):
+        plant = Plant.objects.create(name='Fern', location='Office')
+        client.post(reverse('plant_edit', args=[plant.pk]), {
+            'name': 'Updated Fern',
+            'location': 'Bedroom',
+            'notes': '',
+            'pruning_months': [],
+        })
+        plant.refresh_from_db()
+        assert plant.name == 'Updated Fern'
+
+
+@pytest.mark.django_db
+class TestPlantDelete:
+    def test_delete_confirm_page(self, client):
+        plant = Plant.objects.create(name='Fern', location='Office')
+        resp = client.get(reverse('plant_delete', args=[plant.pk]))
+        assert resp.status_code == 200
+
+    def test_post_deletes_plant(self, client):
+        plant = Plant.objects.create(name='Fern', location='Office')
+        client.post(reverse('plant_delete', args=[plant.pk]))
+        assert not Plant.objects.filter(pk=plant.pk).exists()

plants/views/plants.py

@@ -88,8 +88,24 @@ def plant_add(request):
 
 
 def plant_edit(request, pk):
-    pass
+    plant = get_object_or_404(Plant, pk=pk)
+    if request.method == 'POST':
+        form = PlantForm(request.POST, request.FILES, instance=plant)
+        if form.is_valid():
+            form.save()
+            return redirect('plant_detail', pk=plant.pk)
+    else:
+        form = PlantForm(instance=plant)
+    return render(request, 'plants/plant_form.html', {
+        'form': form,
+        'plant': plant,
+        'title': 'Edit Plant',
+    })
 
 
 def plant_delete(request, pk):
-    pass
+    plant = get_object_or_404(Plant, pk=pk)
+    if request.method == 'POST':
+        plant.delete()
+        return redirect('plant_list')
+    return render(request, 'plants/plant_confirm_delete.html', {'plant': plant})