messages with CRUD functionality for customer

GrabGrub/Kiosk/templates/Kiosk/add_food.html

@@ -28,8 +28,6 @@
             <input type="datetime-local" class="form-control" id="date" name="date" required>
         </div>
 
-        <input type="hidden" name="message" value="Food created successfully">
-
         <a href="{% url 'add_food' %}"><button type="submit" class="mt-3 btn btn-primary" >Add Food</button></a>
 
     </form>

GrabGrub/Kiosk/templates/Kiosk/view_customer_details.html

@@ -16,4 +16,7 @@
 <a href="{% url 'update_customer' customer.pk %}"><button type="submit" class="btn btn-primary">Update Customer</button></a>
 <a href="{% url 'delete_customer' customer.pk %}"><button class="btn btn-danger my-4">Delete Customer</button></a>
 <a href="{% url 'view_customers' %}"><button class="btn btn-secondary">Back</button></a>
+{% if message %}
+<p class="mt-3 alert alert-success" style="width: 75%"> {{message}}</p>
+{% endif %}
 {% endblock %}
\ No newline at end of file

GrabGrub/Kiosk/templates/Kiosk/view_customers.html

@@ -9,6 +9,10 @@
     </div>
 </section>
 
+{% if message %}
+<p class="mt-3 alert alert-success"> {{message}}</p>
+{% endif %}
+
 <div class="col-12">
     <table class="table table-striped">
         <thead>

GrabGrub/Kiosk/views.py

@@ -151,6 +151,7 @@ def update_food(request, pk):
         
         try:
             Food.objects.filter(pk=pk).update(name=name, description=description, price=price, created_at=created_at)
+            message = "Food updated successfully"
             return redirect(f'/view_food_details/{pk}?message={message}', pk=pk)
 
         except Exception as e:
@@ -195,25 +196,42 @@ def add_food(request):
 ### Views for Customer Model
 def view_customers(request):
     customers = Customer.objects.all()
+    if request.GET.get('message') == None:
         context = {"customers":customers}
+    else:
+        context = {"customers":customers, 'message':request.GET.get('message')}
     return render(request, 'Kiosk/view_customers.html', context)
 
 def view_customer_details(request, pk):
     customer = get_object_or_404(Customer, pk=pk)
+    if request.GET.get('message') == None:
         context = {"customer":customer}
+    else:
+        context = {"customer":customer, 'message':request.GET.get('message')}
     return render(request, 'Kiosk/view_customer_details.html', context)
 
 def delete_customer(request, pk):
     Customer.objects.filter(pk=pk).delete()
-    return redirect('view_customers')  
+    message = "Customer deleted successfully"
+    return redirect(f'/customers?message={message}')
 
 def update_customer(request, pk):
     if(request.method=="POST"):
         customer_name = request.POST.get('customer_name')
         address = request.POST.get('address')
         city = request.POST.get('city')
+
+        try:
             Customer.objects.filter(pk=pk).update(name=customer_name, address=address, city=city)
-        return redirect('view_customer_details', pk=pk)
+            message = "Customer updated successfully"
+            return redirect(f'/view_customer_details/{pk}?message={message}', pk=pk)
+
+        except Exception as e:
+            message = f"Customer with name '{customer_name}' already exists"
+            customer = get_object_or_404(Customer, pk=pk)
+            context = {"customer": customer, "message":message}
+            return render(request, 'Kiosk/update_customer.html', context)
+
     else:
         customer = get_object_or_404(Customer, pk=pk)
         context = {"customer": customer}