#327 show login messages from server, remove old logo from login

LICENSE.md

@@ -1,6 +1,6 @@
 BSD 3-Clause License
 
-Copyright (c) 2023, PKPDApp
+Copyright (c) 2024, PKPDApp
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without

frontend-v2/src/features/login/login.tsx

@@ -38,9 +38,20 @@ const Login: React.FC<LoginProps> = ({ onLogin, isLoading, errorMessage }) => {
       <form onSubmit={handleSubmit(onSubmit)}>
         <Stack spacing={2} sx={{ marginTop: 10 }}>
           <Box display="flex" justifyContent="center" alignItems="center">
-            <PkpdAppIcon style={{ width: 250 }} />
+          <Typography
+            variant="h3"
+            component="div"
+            sx={{
+              color: "#1976d2",
+              fontWeight: "bold",
+              paddingLeft: "1rem",
+              fontFamily: "Comfortaa",
+            }}
+          >
+            pkpd explorer
+          </Typography>
           </Box>
-          <Typography variant="h5">Login</Typography>
+          <Typography variant="h6">Login</Typography>
           <TextField
             label="Username"
             name="username"

frontend-v2/src/features/login/loginSlice.ts

@@ -44,11 +44,27 @@ export const fetchSession = createAsyncThunk<
   return sessionResponse;
 });
 
+class ServerError extends Error {
+  constructor(message: string) {
+    super(message)
+    this.name = "ServerError";
+  }
+}
 function isResponseOk(response: Response) {
   if (response.status >= 200 && response.status <= 299) {
     return response.json();
   } else {
-    throw Error(response.statusText);
+    return response.json()
+      .then((data) => {
+        throw new ServerError(data.detail);
+      })
+      .catch((err) => {
+        if (err instanceof ServerError) {
+          throw err;
+        } else {
+          throw Error(response.statusText);
+        }
+      });
   }
 }
 
@@ -80,7 +96,7 @@ export const login = createAsyncThunk<
         return { isAuthenticated: true, user: data.user };
       })
       .catch((err) => {
-        return rejectWithValue({ error: err.message });
+        return rejectWithValue({ error: err.message});
       });
     return response;
   },

pkpdapp/pkpdapp/api/views/login.py

@@ -10,52 +10,53 @@
 from django.middleware.csrf import get_token
 from django.views.decorators.csrf import ensure_csrf_cookie
 from django.views.decorators.http import require_POST
-from rest_framework.authentication import (
-    SessionAuthentication, BasicAuthentication
-)
+from rest_framework.authentication import SessionAuthentication, BasicAuthentication
 from rest_framework.permissions import IsAuthenticated
 from rest_framework.views import APIView
 from pkpdapp.api.serializers import UserSerializer
 
 
 def get_csrf(request):
-    response = JsonResponse({
-        'X-CSRFToken': get_token(request),
-        'detail': 'CSRF cookie set'
-    })
+    response = JsonResponse(
+        {"X-CSRFToken": get_token(request), "detail": "CSRF cookie set"}
+    )
     return response
 
 
 @ensure_csrf_cookie
 @require_POST
 def login_view(request):
     data = json.loads(request.body)
-    username = data.get('username')
-    password = data.get('password')
+    username = data.get("username")
+    password = data.get("password")
     if username is None or password is None:
-        return JsonResponse({
-            'detail': 'Please provide username and password.'
-        }, status=400)
+        return JsonResponse(
+            {"detail": "Please provide username and password."}, status=400
+        )
 
     user = authenticate(username=username, password=password)
     if user is None:
-        return JsonResponse({'detail': 'Invalid credentials.'}, status=400)
+        return JsonResponse(
+            {
+                "detail": "Invalid credentials. Either you have supplied an incorrect username/password combination, or you do not have sufficient access"  # noqa E501
+            },
+            status=400,
+        )
 
     login(request, user)
 
-    return JsonResponse({
-        'user': UserSerializer(user).data,
-        'detail': 'Successfully logged in.'
-    })
+    return JsonResponse(
+        {"user": UserSerializer(user).data, "detail": "Successfully logged in."}
+    )
 
 
 @ensure_csrf_cookie
 def logout_view(request):
     if not request.user.is_authenticated:
-        return JsonResponse({'detail': 'You\'re not logged in.'}, status=400)
+        return JsonResponse({"detail": "You're not logged in."}, status=400)
 
     logout(request)
-    return JsonResponse({'detail': 'Successfully logged out.'})
+    return JsonResponse({"detail": "Successfully logged out."})
 
 
 class SessionView(APIView):
@@ -64,8 +65,9 @@ class SessionView(APIView):
 
     @staticmethod
     def get(request, format=None):
-        return JsonResponse({'isAuthenticated': True, 'user':
-                             UserSerializer(request.user).data})
+        return JsonResponse(
+            {"isAuthenticated": True, "user": UserSerializer(request.user).data}
+        )
 
 
 class WhoAmIView(APIView):
@@ -74,4 +76,4 @@ class WhoAmIView(APIView):
 
     @staticmethod
     def get(request, format=None):
-        return JsonResponse({'user': request.user})
+        return JsonResponse({"user": request.user})

requirements.txt

@@ -13,7 +13,7 @@ django-extensions>=3.1.1
 jsonfield>=3.1.0
 djangorestframework>=3.12.4
 djoser>=2.1.0
-python-memcached>=1.16.0
+python-memcached>=1.16,<=1.59
 psycopg2-binary>=2.9.1
 dj-database-url>=0.5.0
 django-polymorphic>=3.1.0