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backend_server.js.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>JSDoc: Source: backend/server.js</title>
<script src="scripts/prettify/prettify.js"> </script>
<script src="scripts/prettify/lang-css.js"> </script>
<!--[if lt IE 9]>
<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<link type="text/css" rel="stylesheet" href="styles/prettify-tomorrow.css">
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</head>
<body>
<div id="main">
<h1 class="page-title">Source: backend/server.js</h1>
<section>
<article>
<pre class="prettyprint source linenums"><code>/*const express = require("express");
const bodyParser = require("body-parser");
const cors = require("cors");
const mongoose = require("mongoose");
const app = express();
const PORT = process.env.PORT || 5000;
// Middleware
app.use(cors());
//app.use(
// cors({
// origin: "http://localhost:3001", // Replace with your frontend URL
// })
//);
app.use(bodyParser.json());
// Connect to MongoDB
mongoose.connect(
"mongodb+srv://fr7reza:QhA5nb05gDfhfqIa@cluster2.7xzgeej.mongodb.net/?retryWrites=true&w=majority",
{
useNewUrlParser: true,
useUnifiedTopology: true,
}
);
// Define a sample mongoose model and route
const Note = mongoose.model("Note", { content: String });
app.post("/api/notes", async (req, res) => {
const { content } = req.body;
const newNote = new Note({ content });
await newNote.save();
res.json({ message: "Note created successfully!" });
});
app.get("/api/notes", async (req, res) => {
const notes = await Note.find();
res.json({ notes });
});
// Error handling middleware
app.use((err, req, res, next) => {
console.error(err.stack);
res.status(500).json({ message: "Internal Server Error: 500" });
});
// Start the server
app.listen(PORT, () => {
console.log(`Server is running at http://localhost:${PORT}`);
});
*/
const express = require("express");
const bodyParser = require("body-parser");
const cors = require("cors");
const mongoose = require("mongoose");
const app = express();
const PORT = process.env.PORT || 5000;
/**
* Middleware to enable Cross-Origin Resource Sharing (CORS).
* @function
*/
app.use(cors());
/**
* Middleware to parse incoming JSON data in the request body.
* @function
* @middleware
*/
app.use(bodyParser.json());
/**
* Connects to MongoDB using Mongoose.
* @function
* @async
* @param {string} uri - The connection URI for MongoDB.
* @param {Object} options - MongoDB connection options.
* @throws {Error} If the connection to MongoDB fails.
*/
mongoose.connect(
"mongodb+srv://fr7reza:QhA5nb05gDfhfqIa@cluster2.7xzgeej.mongodb.net/?retryWrites=true&w=majority",
{
useNewUrlParser: true,
useUnifiedTopology: true,
}
);
/**
* Mongoose model for representing a Note in the MongoDB collection.
* @typedef {Object} Note
* @property {string} content - The content of the note.
*/
/**
* Endpoint for creating a new note.
* @route {POST} /api/notes
* @param {Object} req - The Express request object.
* @param {Object} res - The Express response object.
* @param {Function} next - The next middleware function.
* @returns {Promise<void>} Resolves when the note is created successfully.
* @throws {Error} If there is an issue creating the note.
*/
app.post("/api/notes", async (req, res, next) => {
try {
/**
* The content of the new note.
* @type {string}
*/
const { content } = req.body;
/**
* Creates a new Note instance.
* @type {Note}
*/
const newNote = new Note({ content });
/**
* Saves the new note to MongoDB.
*/
await newNote.save();
/**
* Sends a JSON response indicating the success of the note creation.
*/
res.json({ message: "Note created successfully!" });
} catch (error) {
/**
* Passes the error to the error-handling middleware.
*/
next(error);
}
});
/**
* Endpoint for retrieving all notes.
* @route {GET} /api/notes
* @param {Object} req - The Express request object.
* @param {Object} res - The Express response object.
* @param {Function} next - The next middleware function.
* @returns {Promise<void>} Resolves with a JSON response containing an array of notes.
* @throws {Error} If there is an issue retrieving the notes.
*/
app.get("/api/notes", async (req, res, next) => {
try {
/**
* Retrieves all notes from MongoDB.
* @type {Note[]}
*/
const notes = await Note.find();
/**
* Sends a JSON response containing an array of notes.
*/
res.json({ notes });
} catch (error) {
/**
* Passes the error to the error-handling middleware.
*/
next(error);
}
});
/**
* Error handling middleware.
* @function
* @param {Error} err - The error object.
* @param {Object} req - The Express request object.
* @param {Object} res - The Express response object.
* @param {Function} next - The next middleware function.
*/
app.use((err, req, res, next) => {
/**
* Logs the error stack to the console.
*/
console.error(err.stack);
/**
* Sends a JSON response indicating an internal server error.
*/
res.status(500).json({ message: "Internal Server Error: 500" });
});
/**
* Starts the Express.js server.
* @function
* @param {number} port - The port on which the server will listen.
* @returns {void}
*/
app.listen(PORT, () => {
/**
* Logs a message indicating that the server is running.
*/
console.log(`Server is running at http://localhost:${PORT}`);
});
</code></pre>
</article>
</section>
</div>
<nav>
<h2><a href="index.html">Home</a></h2><h3>Global</h3><ul><li><a href="global.html#App">App</a></li><li><a href="global.html#handleAddNote">handleAddNote</a></li><li><a href="global.html#renderApp">renderApp</a></li><li><a href="global.html#useEffect">useEffect</a></li></ul>
</nav>
<br class="clear">
<footer>
Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 4.0.2</a> on Mon Jan 01 2024 21:06:33 GMT+0530 (India Standard Time)
</footer>
<script> prettyPrint(); </script>
<script src="scripts/linenumber.js"> </script>
</body>
</html>