Social Media Backend

This is a simple Node.js and MongoDB project that demonstrates the use of Mongoose to define and interact with MongoDB models.

Installation:

Clone the repository
Run npm install to install the dependencies

Usage:

To use the project, follow these steps:

Start the Node.js server by running npm start
Use a REST client, such as Postman, to send HTTP requests to the server

Models:

User

The User model represents a user in the system. It has the following properties:

name (string, required) - The user's name
email (string, required, unique) - The user's email address
password (string, required) - The user's password
totalLikes (number, default 3) - The total number of likes the user has given
numPosts (number, default 0) - The total number of posts the user has created

Post

The Post model represents a post in the system. It has the following properties:

postId (ObjectId, unique, default generated) - The post's ID
userId (ObjectId, required, ref: 'User') - The ID of the user who created the post
data (string, required) - The content of the post
likes (array of objects) - An array of objects representing the users who have liked the post, and the timestamps when they liked it
- userId (ObjectId, required, ref: 'User') - The ID of the user who liked the post
- timestamp (Date, default: Date.now) - The timestamp when the user liked the post
numLikes (number, default 0) - The total number of likes the post has received

Dependencies:

express
mongoose
body-parser

Endpoints:

Creating a new user:

Endpoint: POST /user

Request body: { name: string, // required email: string, // required, must be unique password: string // required }

Response: { _id: ObjectId, name: string, email: string, password: string, totalLikes: number, numPosts: number }

Retrieving user info:

Endpoint: GET /user/:userId

Response: { _id: ObjectId, name: string, email: string, password: string, totalLikes: number, numPosts: number }

Retrieving all posts:

Endpoint: GET /post

Response: [{ _id: ObjectId, userId: ObjectId, data: string, likes: [{ userId: ObjectId, timestamp: Date }], numLikes: number }]

Creating a new post:

Endpoint: POST /post

Request body: { userId: ObjectId, // required data: string // required }

Response: { _id: ObjectId, userId: ObjectId, data: string, likes: [], numLikes: number }

Liking a post:

Endpoint: POST /like

Request body: { postId: ObjectId, // required userId: ObjectId // required }

Response: { message: string }

Retrieving the top 10 most famous posts:

Endpoint: GET /famous