Login with authenticate and login (FBV)

# views.py

from django.contrib.auth import authenticate, login
from django.shortcuts import render, redirect
from django.contrib import messages

def login_view(request):
    if request.method == 'POST':
        username = request.POST.get('username')
        password = request.POST.get('password')
        user = authenticate(request, username=username, password=password)
        if user is not None:
            login(request, user)
            return redirect('home')  # Redirect to homepage after login
        else:
            messages.error(request, 'Invalid username or password.')
    return render(request, 'login.html')

  

# templates/login.html
    
<form method="POST">  
  <% csrf_token %>
  <input type="text" name="username" placeholder="Username">
  <input type="password" name="password" placeholder="Password">
  <button type="submit">Login</button>
  </form>
</form>

<% if messages %>
  <% for message in messages %>
    <p>{{ message }}</p>
  <% endfor %>
<% endif %>