feat: refactor user handling and integrate toast notifications for login feedback

backend/server.js

@@ -50,7 +50,7 @@ app.get("/api/getAllUsers", authenticate, async (req, res) => {
   if (req.user.role === "admin") {
     getAllUsers()
       .then((users) => {
-        res.status(200).json(users).reload();
+        res.status(200).json(users);
       })
       .catch((err) => {
         console.error("Error fetching users:", err);

frontend_admin/package-lock.json

@@ -16,6 +16,7 @@
         "lucide-react": "^0.525.0",
         "react": "^19.1.0",
         "react-dom": "^19.1.0",
+        "react-toastify": "^11.0.5",
         "tailwind-merge": "^3.3.1",
         "tailwindcss-animate": "^1.0.7",
         "tw-animate-css": "^1.3.5"
@@ -4010,6 +4011,19 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/react-toastify": {
+      "version": "11.0.5",
+      "resolved": "https://registry.npmjs.org/react-toastify/-/react-toastify-11.0.5.tgz",
+      "integrity": "sha512-EpqHBGvnSTtHYhCPLxML05NLY2ZX0JURbAdNYa6BUkk+amz4wbKBQvoKQAB0ardvSarUBuY4Q4s1sluAzZwkmA==",
+      "license": "MIT",
+      "dependencies": {
+        "clsx": "^2.1.1"
+      },
+      "peerDependencies": {
+        "react": "^18 || ^19",
+        "react-dom": "^18 || ^19"
+      }
+    },
     "node_modules/resolve-from": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-4.0.0.tgz",

frontend_admin/package.json

@@ -19,6 +19,7 @@
     "lucide-react": "^0.525.0",
     "react": "^19.1.0",
     "react-dom": "^19.1.0",
+    "react-toastify": "^11.0.5",
     "tailwind-merge": "^3.3.1",
     "tailwindcss-animate": "^1.0.7",
     "tw-animate-css": "^1.3.5"

frontend_admin/src/App.tsx

@@ -3,7 +3,9 @@ import Layout from "./layout/Layout";
 import { useUsers } from "./utils/useUsers";
 import UserTable from "./components/UserTable";
 import { useEffect } from "react";
-import { loadTheme } from "./utils/functions";
+import { loadTheme } from "./utils/frontendService";
+import { ToastContainer } from "react-toastify";
+import "react-toastify/dist/ReactToastify.css";
 
 function App() {
   const users = useUsers();
@@ -15,6 +17,7 @@ function App() {
   return (
     <Layout>
       <UserTable users={users} />
+      <ToastContainer />
     </Layout>
   );
 }

frontend_admin/src/components/Header.tsx

@@ -1,8 +1,8 @@
 import { useState } from "react";
 import React from "react";
 import LoginCard from "./LoginCard";
-import { greeting } from "../utils/functions";
+import { greeting } from "../utils/frontendService";
-import { changeTheme } from "../utils/functions";
+import { changeTheme } from "../utils/frontendService";
 
 const Header: React.FC = () => {
   const [loginCardVisible, setLoginCardVisible] = useState(false);

frontend_admin/src/components/LoginCard.tsx

@@ -1,6 +1,6 @@
 import React from "react";
 import Cookies from "js-cookie";
-import { logout } from "../utils/functions";
+import { logout, loginUser } from "../utils/userHandler";
 type LoginCardProps = {
   onClose: () => void;
 };
@@ -25,38 +25,7 @@ const LoginCard: React.FC<LoginCardProps> = ({ onClose }) => {
             const formData = new FormData(event.currentTarget);
             const username = formData.get("username");
             const password = formData.get("password");
-            // Example: send login request
+            loginUser(username as string, password as string);
-            await fetch("http://localhost:5002/api/login", {
-              method: "POST",
-              headers: { "Content-Type": "application/json" },
-              body: JSON.stringify({ username, password }),
-            })
-              .then(async (response) => {
-                if (response.ok) {
-                  const data = await response.json();
-                  Cookies.set("token", data.token, { expires: 7 });
-                  onClose();
-                  Cookies.set("name", data.user.first_name, { expires: 7 });
-                  await fetch("http://localhost:5002/api/getAllUsers", {
-                    method: "GET",
-                    headers: {
-                      Authorization: `Bearer ${Cookies.get("token")}`,
-                    },
-                  })
-                    .then((res) => res.json())
-                    .then((users) => {
-                      localStorage.setItem("users", JSON.stringify(users));
-                    });
-                  document.location.reload();
-                } else if (response.status === 401) {
-                  alert("Invalid credentials");
-                } else if (response.status === 403) {
-                  alert("You are not an Admin!");
-                }
-              })
-              .catch((error) => {
-                console.log("Login failed: ", error);
-              });
           }}
           className="space-y-4 text-black dark:text-white"
         >

frontend_admin/src/components/UserTable.tsx

@@ -1,6 +1,6 @@
 import { MoreVertical } from "lucide-react";
 import React, { useEffect, useState } from "react";
-import { deleteUser, updateUserFunc } from "../utils/functions.ts";
+import { deleteUser, updateUserFunc } from "../utils/userHandler.ts";
 
 interface User {
   id: number;
@@ -70,8 +70,11 @@ const UserTable: React.FC<UserTableProps> = ({ users }) => {
           </th>
         </tr>
       </thead>
-      <tbody className="bg-white text-black dark:bg-gray-900 dark:text-white divide-y divide-gray-100 dark:divide-gray-800">
+      <tbody className="bg-white text-black dark:bg-gray-900 dark:text-white divide-y divide-gray-100 dark:divide-gray-800 z-10">
-        {userList.map((user) => (
+        {userList.map((user, idx) => {
+          // If this is one of the last 2 rows, open menu upwards
+          const openUp = idx >= userList.length - 2;
+          return (
             <tr
               key={user.id}
               className="hover:bg-gray-50 dark:hover:bg-gray-800 transition"
@@ -144,7 +147,8 @@ const UserTable: React.FC<UserTableProps> = ({ users }) => {
                 </button>
                 {openMenu === user.id && (
                   <div
-                  className="absolute right-0 mt-2 w-32 bg-white dark:bg-gray-800 border border-gray-200 dark:border-gray-600 rounded shadow-lg z-10"
+                    className={`absolute right-0 w-32 bg-white dark:bg-gray-800 border border-gray-200 dark:border-gray-600 rounded shadow-lg z-50 overflow-visible
+              ${openUp ? "bottom-full mb-2" : "mt-2"}`}
                     onMouseLeave={handleMenuClose}
                   >
                     <button
@@ -163,7 +167,8 @@ const UserTable: React.FC<UserTableProps> = ({ users }) => {
                 )}
               </td>
             </tr>
-        ))}
+          );
+        })}
       </tbody>
     </table>
   );

frontend_admin/src/utils/frontendService.ts

@@ -0,0 +1,52 @@
+import Cookies from "js-cookie";
+
+export const greeting = () => {
+  return Cookies.get("name") ?? "Login";
+};
+
+export const loadTheme = () => {
+  if (
+    window.matchMedia &&
+    window.matchMedia("(prefers-color-scheme: dark)").matches
+  ) {
+    // Switch to dark theme
+    console.log("dark");
+    document.documentElement.classList.add("dark");
+    document.body.classList.add("dark");
+    Cookies.set("theme", "dark", { expires: 365 });
+  } else {
+    // Switch to light theme
+    console.log("light");
+    document.documentElement.classList.remove("dark");
+    document.body.classList.remove("dark");
+    Cookies.set("theme", "light", { expires: 365 });
+  }
+};
+
+export const changeTheme = () => {
+  if (Cookies.get("theme") === "dark") {
+    // Switch to light theme
+    console.log("light");
+    removeDarkTheme();
+  } else if (Cookies.get("theme") === "light") {
+    // Switch to dark theme
+    console.log("dark");
+    setDarkTheme();
+  } else {
+    console.error("Theme not set or recognized");
+  }
+};
+
+export const removeDarkTheme = () => {
+  console.log("Removing dark theme");
+  document.documentElement.classList.remove("dark");
+  document.body.classList.remove("dark");
+  Cookies.set("theme", "light", { expires: 365 });
+};
+
+export const setDarkTheme = () => {
+  console.log("Setting dark theme");
+  document.documentElement.classList.add("dark");
+  document.body.classList.add("dark");
+  Cookies.set("theme", "dark", { expires: 365 });
+};

frontend_admin/src/utils/userHandler.ts

@@ -1,54 +1,38 @@
 import Cookies from "js-cookie";
+import { ToastContainer, toast } from "react-toastify";
 
-export const greeting = () => {
+export const loginUser = (username: string, password: string) => {
-  return Cookies.get("name") ?? "Login";
+  fetch("http://localhost:5002/api/login", {
-};
+    method: "POST",
-
+    headers: { "Content-Type": "application/json" },
-export const loadTheme = () => {
+    body: JSON.stringify({ username, password }),
-  if (
+  })
-    window.matchMedia &&
+    .then(async (response) => {
-    window.matchMedia("(prefers-color-scheme: dark)").matches
+      if (response.ok) {
-  ) {
+        const data = await response.json();
-    // Switch to dark theme
+        Cookies.set("token", data.token, { expires: 7 });
-    console.log("dark");
+        Cookies.set("name", data.user.first_name, { expires: 7 });
-    document.documentElement.classList.add("dark");
+        await fetch("http://localhost:5002/api/getAllUsers", {
-    document.body.classList.add("dark");
+          method: "GET",
-    Cookies.set("theme", "dark", { expires: 365 });
+          headers: {
-  } else {
+            Authorization: `Bearer ${Cookies.get("token")}`,
-    // Switch to light theme
+          },
-    console.log("light");
+        })
-    document.documentElement.classList.remove("dark");
+          .then((res) => res.json())
-    document.body.classList.remove("dark");
+          .then((users) => {
-    Cookies.set("theme", "light", { expires: 365 });
+            localStorage.setItem("users", JSON.stringify(users));
+          });
+        document.location.reload();
+        toast("Login successful!");
+      } else if (response.status === 401) {
+        toast("Invalid credentials");
+      } else if (response.status === 403) {
+        toast("You are not an Admin!");
       }
-};
+    })
-
+    .catch((error) => {
-export const changeTheme = () => {
+      console.log("Login failed: ", error);
-  if (Cookies.get("theme") === "dark") {
+    });
-    // Switch to light theme
-    console.log("light");
-    removeDarkTheme();
-  } else if (Cookies.get("theme") === "light") {
-    // Switch to dark theme
-    console.log("dark");
-    setDarkTheme();
-  } else {
-    console.error("Theme not set or recognized");
-  }
-};
-
-export const removeDarkTheme = () => {
-  console.log("Removing dark theme");
-  document.documentElement.classList.remove("dark");
-  document.body.classList.remove("dark");
-  Cookies.set("theme", "light", { expires: 365 });
-};
-
-export const setDarkTheme = () => {
-  console.log("Setting dark theme");
-  document.documentElement.classList.add("dark");
-  document.body.classList.add("dark");
-  Cookies.set("theme", "dark", { expires: 365 });
 };
 
 export const logout = () => {