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Redirect to previous page after login


admin
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I'm trying to build a simple website with login functionality very similar to the one here on SO. The user should be able to browse the site as an anonymous user and there will be a login link on every page. When clicking on the login link the user will be taken to the login form. After a successful login the user should be taken back to the page from where he clicked the login link in the first place. I'm guessing that I have to somehow pass the url of the current page to the view that handles the login form but I can't really get it to work.

EDIT: I figured it out. I linked to the login form by passing the current page as a GET parameter and then used 'next' to redirect to that page. Thanks!

EDIT 2: My explanation did not seem to be clear so as requested here is my code: Lets say we are on a page foo.html and we are not logged in. Now we would like to have a link on foo.html that links to login.html. There we can login and are then redirected back to foo.html. The link on foo.html looks like this:

<a href='/login/?next={{ request.path }}'>Login</a> 

Now I wrote a custom login view that looks somewhat like this:

def login_view(request):
   redirect_to = request.REQUEST.get('next', '')
   if request.method=='POST':
      #create login form...
      if valid login credentials have been entered:
         return HttpResponseRedirect(redirect_to)  
   #...
   return render_to_response('login.html', locals())

And the important line in login.html:

<form method="post" action="./?next={{ redirect_to }}">

So yeah thats pretty much it, hope that makes it clear.

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