Data-Association-MongoDB

Overview

Data-Association-MongoDB is a Node.js project that demonstrates data association using MongoDB. The project includes a simple Express server with routes to create users and posts, and establish relationships between them.

Prerequisites

• Node.js and npm installed
• MongoDB installed and running

Installation

1. Clone the repository:

   git clone https://github.com/A-Tetarwal/Data-Association-MongoDB.git
   cd Data-Association-MongoDB

2. Install dependencies:

   npm install

3. Start the server:

   node app.js

Project Structure

Data-Association-MongoDB
│
├── models
│   ├── user.js           # User model definition
│   └── post.js           # Post model definition
├── app.js                # Main application file
├── package.json          # Project metadata and dependencies
└── README.md             # Project documentation

Usage

Home Route

• Route: /
• Method: GET
• Description: Returns a welcome message.
• Response:

  {
      "message": "aaj magic hoga"
  }

Create User

• Route: /create
• Method: GET
• Description: Creates a new user with predefined details.
• Response:

  {
      "username": "jaani",
      "age": 25,
      "email": "[email protected]",
      "posts": []
  }

Create Post

• Route: /post/create
• Method: GET
• Description: Creates a new post associated with a predefined user.
• Response:

  {
      "user": {
          "_id": "user_id",
          "username": "jaani",
          "age": 25,
          "email": "[email protected]",
          "posts": ["post_id"]
      },
      "post": {
          "_id": "post_id",
          "postdata": "how's everything going?",
          "user": "user_id"
      }
  }

Models

User Model

• Fields:
  • username: String
  • age: Number
  • email: String
  • posts: Array of ObjectIds (references to posts)

Post Model

• Fields:
  • postdata: String
  • user: ObjectId (reference to a user)

Notes

• The project demonstrates basic data association in MongoDB using Mongoose.
• The user and post creation routes use hardcoded values for simplicity.

Purpose: Can be used for learning

Feel free to modify this README according to your project's specific details and requirements.