Fix dish edits not registering correctly

canteeneo/dish_views.py

@@ -62,6 +62,7 @@ class EditDishView(FormView):
     def get_form(self):
         form = DishRegisterForm()
         form.dish_type.choices = [(dish_type.id, dish_type.name) for dish_type in DishType.query.all()]
+        form.editing = True
         return form
 
 class DeleteDishView(View):

canteeneo/forms.py

@@ -69,13 +69,14 @@ class DishRegisterForm(FlaskForm):
     image = FileField('Image')
     price = DecimalField('Price', [DataRequired()], render_kw={"placeholder": "Price"})
     dish_type = SelectField('Type', coerce=int)
+    editing = False
 
     def validate(self, editing=False):
         if not FlaskForm.validate(self):
             return False
-        
+
         dish = Dish.query.filter_by(name=self.name.data).first()
-        if not editing:
+        if not self.editing:
             if dish is not None:
                 flash('Dish name is taken!')
                 return False