110 lines
2.8 KiB
JavaScript
110 lines
2.8 KiB
JavaScript
// static variables
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import express from "express";
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const app = express();
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const port = 4000;
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import { loginUser, createUser, updateUser, deleteUser } from "./database.js";
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app.use(express.urlencoded({ extended: true }));
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app.set("view engine", "ejs");
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import path from "path";
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import { fileURLToPath } from "url";
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const __filename = fileURLToPath(import.meta.url);
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const __dirname = path.dirname(__filename);
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app.listen(port, () => {
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console.log(`Server is running on http://localhost:${port}`);
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});
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// Middleware to parse JSON bodies
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app.use(express.json());
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// Middleware to serve static files from the 'public' directory
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app.use(express.static("public"));
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// Main code below
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// Route to handle GET requests to the root URL
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app.get("/", (req, res) => {
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res.render("login.ejs", { error: null, reload: false });
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console.log("Frontend user requested frontend login page.");
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});
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let latestUser;
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// Route to handle user login
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app.post("/login", (req, res) => {
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loginUser(req.body.username, req.body.password).then((result) => {
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if (result.success) {
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res.status(200).render("dashboard.ejs", {
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sqlResult: result,
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newLink: `/dashboard/${result.user.id}`,
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alert: null,
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success: null,
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});
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latestUser = result;
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} else {
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res
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.status(401)
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.render("login.ejs", { error: result.message, reload: true });
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}
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});
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});
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app.post(["/createUser", "/updateUser", "/deleteUser"], (req, res) => {
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let action = req.path;
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let funcName;
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if (action === "/createUser") {
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funcName = createUser;
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} else if (action === "/updateUser") {
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funcName = updateUser;
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} else if (action === "/deleteUser") {
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if (latestUser && req.body.username !== latestUser.user.username) {
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funcName = deleteUser;
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} else {
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res.status(400).render("dashboard.ejs", {
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sqlResult: latestUser,
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newLink: latestUser ? `/dashboard/${latestUser.id}` : "#",
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alert: "Cannot delete the currently logged-in user!",
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success: null,
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});
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return;
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}
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} else {
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res.status(400).send("Invalid action");
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return;
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}
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funcName(
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req.body.username,
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req.body.first_name,
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req.body.last_name,
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req.body.password,
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req.body.email
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).then((result) => {
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if (result.success === true) {
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res.status(201).render("dashboard.ejs", {
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sqlResult: latestUser,
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newLink: `/dashboard/${latestUser.id}`,
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alert: null,
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success: "User action successful!",
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});
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} else {
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res.status(400).render("dashboard.ejs", {
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sqlResult: latestUser,
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newLink: `/dashboard/${latestUser.id}`,
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alert: "User action failed!",
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success: null,
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});
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}
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});
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});
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// error handling code
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app.use((err, req, res, next) => {
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console.error(err.stack);
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res.status(500).send("Something broke!");
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});
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