Bugs fixed

apps/food/forms.py

@@ -145,7 +145,7 @@ class AddIngredientForms(forms.ModelForm):
             polymorphic_ctype__model="transformedfood",
             is_ready=False,
             end_of_life='',
-        ).filter(PermissionBackend.filter_queryset(get_current_request(), TransformedFood, "change")).exclude(pk=pk)
+        ).filter(PermissionBackend.filter_queryset(get_current_request(), Food, "change")).exclude(pk=pk)
 
     class Meta:
         model = TransformedFood

apps/food/templates/food/food_detail.html

@@ -12,6 +12,9 @@ SPDX-License-Identifier: GPL-3.0-or-later
   </h3>
   <div class="card-body">
     <ul>
+      {% if QR_code %}
+      <li> {{QR_code}} </li>
+      {% endif %}
       {% for field, value in fields %}
       <li> {{ field }} : {{ value }}</li>
       {% endfor %}

apps/food/views.py

@@ -428,6 +428,8 @@ class FoodDetailView(ProtectQuerysetMixin, LoginRequiredMixin, DetailView):
         context["fields"] = [(
             Food._meta.get_field(field).verbose_name.capitalize(),
             value) for field, value in fields.items()]
+        if self.object.QR_code.exists():
+            context["QR_code"] = self.object.QR_code.first()
         context["meals"] = self.object.transformed_ingredient_inv.all()
         context["update"] = PermissionBackend.check_perm(self.request, "food.change_food")
         context["add_ingredient"] = (self.object.end_of_life == '' and PermissionBackend.check_perm(self.request, "food.change_transformedfood"))