Hello everyone,
I’ve been working on implementing error message handling in my login form for authentication failures. After some research, I managed to write code that displays all messages generated by the system. However, I encountered an issue where I only wanted to display the last message rather than the entire list of messages.
<form action="{% url 'users:user_add' %}" method="post"> {% csrf_token %} <label for="username">Username:</label> <input type="text" id="username" name="username" required><br> <label for="password">Password:</label> <input type="password" id="password" name="password" required><br> <label for="email">email:</label> <input type="email" id="email" name="email" required><br> <button type="submit">Add User</button> </form> {% if messages %} <ul class="messages"> {% for message in messages %} <li class="{{ message.tags }}">{{ message }}</li> {% endfor %} </ul>{% endif %}
To address this, I created a function to extract and render only the last message alongside the page rendering process. While this approach technically works, I found it to be less efficient compared to utilizing Django’s built-in messages framework.
def user_add(request):
user_type = request.session.get(‘user_type’)
if user_type != ‘Admin’:
return redirect(reverse(‘users:login_view’))if request.method == 'POST': username = request.POST.get('username') password = request.POST.get('password') email = request.POST.get('email') new_user = CustomUser.create_user(username=username, password=password, email=email, user_type="moderator") if new_user == "user exist": message = "This User already exist" return render(request, 'users/user_add.html', {'message' : message}) else: log_message = f"New User created '{new_user.username}'." logger.info(log_message) messages.success(request, 'User created successfully.') return redirect(reverse('users:users_list')) return render(request, 'users/user_add.html')
I’ve attempted to search for solutions on how to retrieve the last inserted message or obtain all messages from the messages framework, but I haven’t had much success. If anyone has insights or suggestions on how to achieve this, I would greatly appreciate your assistance. Thank you in advance for your help.