Website Module / Working login & logout

website/views.py

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+# Create your views here.
+
+from django.shortcuts import render, redirect
+from django.contrib.auth import authenticate, login, logout
+
+from django.core.urlresolvers import reverse
+from django.http import HttpResponse
+
+from django.utils import simplejson
+
+
+def home_view(request):
+    return render( request, 'website/mainpage.html' )
+
+
+
+
+def logout_view(request):
+    logout( request )
+    return redirect( login_view )
+
+
+def login_view(request):
+    if request.method == 'POST': # If the form has been submitted...
+        username = request.POST['username']
+        password = request.POST['password']
+        user = authenticate(username=username, password=password)
+        result = dict()
+        result['err']      = ""
+        result['redirect'] = ""
+        if user is not None:
+            if user.is_active:
+                if not request.POST.get('remember', None):
+                    request.session.set_expiry( 0 )
+                login(request, user)
+                result['redirect'] = reverse( home_view )
+            else:
+                result['err'] = "Dein Account wurde deaktiviert."
+                # Return a 'disabled account' error message
+        else:
+            result['err'] = "Falscher Benutzername oder falsches Kennwort."
+            
+        return HttpResponse( simplejson.dumps(result), mimetype='application/json' )
+    
+    else:
+        # TODO check if already logged in --------------------!!!!
+        return render( request, 'website/login.html' )