Add: code comments

archivist/apps/authentication/views.py

@@ -2,65 +2,67 @@
 from django.shortcuts import render, redirect
 from django.contrib.auth import authenticate, login
 
-#from django.contrib.auth.models import User
-from apps.user.models import UserProfile
+from apps.user.models import UserProfile  # Importing the UserProfile model
 
-from .forms import LoginForm, SignUpForm
+from .forms import LoginForm, SignUpForm  # Importing form classes for login and signup
 
 
+# View function for user login
 def login_view(request):
+    # Check if the user is already authenticated, if so, redirect them to the home page
     if request.user.is_authenticated:
-        # User is already logged in, redirect them to the home page
-        next_page = request.GET.get('next', '/')
+        next_page = request.GET.get('next', '/')  # Get the 'next' parameter from the URL, default to '/'
         return redirect(next_page)
-    form = LoginForm(request.POST or None)
+    
+    form = LoginForm(request.POST or None)  # Create a login form instance
 
-    msg = None
+    msg = None  # Initialize a message variable
 
     if request.method == "POST":
-
         if form.is_valid():
             username = form.cleaned_data.get("username")
             password = form.cleaned_data.get("password")
+            
+            # Authenticate user using the provided username and password
             user = authenticate(username=username, password=password)
+            
             if user is not None:
-                login(request, user)
-                next_page = request.GET.get('next', '/')
-                return redirect(next_page)
+                login(request, user)  # Log in the authenticated user
+                next_page = request.GET.get('next', '/')  # Get the 'next' parameter from the URL
+                return redirect(next_page)  # Redirect to the 'next' page after successful login
             else:
-                msg = 'Invalid credentials'
+                msg = 'Invalid credentials'  # Set error message for invalid credentials
         else:
-            msg = 'Error validating the form'
+            msg = 'Error validating the form'  # Set error message for form validation error
 
     return render(request, "accounts/login.html", {"form": form, "msg": msg})
 
 
+# View function for user registration
 def register_user(request):
-    msg = None
-    success = False
+    msg = None  # Initialize a message variable
+    success = False  # Initialize a success flag
 
     if request.method == "POST":
-        form = SignUpForm(request.POST)
+        form = SignUpForm(request.POST)   # Create a signup form instance
+        
         if form.is_valid():
-            form.save()
+            form.save()  # Save the user details from the form
             username = form.cleaned_data.get("username")
             raw_password = form.cleaned_data.get("password1")
+            
+            # Authenticate the newly registered user
             user = authenticate(username=username, password=raw_password)
             
-            #user = User.objects.create_user(username=username, password=raw_password)
-
-            # Create a UserProfile instance for the user
+            # Create a UserProfile instance associated with the registered user
             profile = UserProfile(user=user)
             profile.save()
 
-            msg = 'User created - please <a href="/login">login</a>.'
-            success = True
-
-            # return redirect("/login/")
-
+            msg = 'User created - please <a href="/login">login</a>.'  # Set success message with a login link
+            success = True  # Set success flag to True
         else:
-            msg = 'Form is not valid'
+            msg = 'Form is not valid'  # Set error message for invalid form data
     else:
-        form = SignUpForm()
+        form = SignUpForm()  # Create an empty signup form instance for GET requests
 
     return render(request, "accounts/register.html", {"form": form, "msg": msg, "success": success})