feat: add getAllUsers function and integrate user fetching in dashboard

backend/server.js

@@ -4,7 +4,13 @@ const app = express();
 const port = 4000;
 
 // Importing database functions for user operations
-import { loginUser, createUser, updateUser, deleteUser } from "./database.js";
+import {
+  loginUser,
+  createUser,
+  updateUser,
+  deleteUser,
+  getAllUsers,
+} from "./database.js";
 
 // Middleware to parse URL-encoded bodies (form submissions)
 app.use(express.urlencoded({ extended: true }));
@@ -39,9 +45,23 @@ app.get("/", (req, res) => {
 
 // Variable to keep track of the latest logged-in user
 let latestUser;
+let response;
+
+// static function to get all users
+function allUsers() {
+  getAllUsers().then((resultFromFunc) => {
+    if (resultFromFunc.success) {
+      response = resultFromFunc.result;
+    } else {
+      response = resultFromFunc.result;
+    }
+  });
+}
 
 // Route to handle user login
 app.post("/login", (req, res) => {
+  allUsers();
+
   // Attempt to log in the user with provided credentials
   loginUser(req.body.username, req.body.password).then((result) => {
     if (result.success) {
@@ -51,6 +71,7 @@ app.post("/login", (req, res) => {
         newLink: `/dashboard/${result.user.id}`,
         alert: null,
         success: null,
+        users: response,
       });
       latestUser = result;
     } else {
@@ -77,12 +98,22 @@ app.post(["/createUser", "/updateUser", "/deleteUser"], (req, res) => {
     if (latestUser && req.body.username !== latestUser.user.username) {
       funcName = deleteUser;
     } else {
+      let response;
+
+      getAllUsers().then((resultFromFunc) => {
+        if (resultFromFunc.success) {
+          response = resultFromFunc.result;
+        } else {
+          response = resultFromFunc.result;
+        }
+      });
       // Render dashboard with alert if trying to delete logged-in user
       res.status(400).render("dashboard.ejs", {
         sqlResult: latestUser,
         newLink: latestUser ? `/dashboard/${latestUser.id}` : "#",
         alert: "Cannot delete the currently logged-in user!",
         success: null,
+        users: response,
       });
       return;
     }
@@ -100,20 +131,41 @@ app.post(["/createUser", "/updateUser", "/deleteUser"], (req, res) => {
     req.body.email
   ).then((result) => {
     if (result.success === true) {
+      let response;
+
+      getAllUsers().then((resultFromFunc) => {
+        if (resultFromFunc.success) {
+          response = resultFromFunc.result;
+        } else {
+          response = resultFromFunc.result;
+        }
+      });
       // On success, render dashboard with success message
       res.status(201).render("dashboard.ejs", {
         sqlResult: latestUser,
         newLink: `/dashboard/${latestUser.id}`,
         alert: null,
         success: "User action successful!",
+        users: response,
       });
     } else {
+      let response;
+
+      getAllUsers().then((resultFromFunc) => {
+        if (resultFromFunc.success) {
+          response = resultFromFunc.result;
+        } else {
+          response = resultFromFunc.result;
+        }
+      });
+
       // On failure, render dashboard with alert
       res.status(400).render("dashboard.ejs", {
         sqlResult: latestUser,
         newLink: `/dashboard/${latestUser.id}`,
         alert: "User action failed!",
         success: null,
+        users: response,
       });
     }
   });