Order Management System

A backend application built with NestJS and Prisma, using Postgresssql as the database. It allows regular users to create orders, each associated with a unique chat room for communication with administrators.

Technologies Used

• NestJS
• Prisma
• Postgressql
• Swagger
• TypeScript

Getting Started

Prerequisites

• Node.js (v20 or later)
• npm
• Postgresql instance (local or cloud)

Installation

1. Clone the Repository

   git clone https://github.com/yourusername/order-management-system.git
   cd order-management-system
   

2.Install Dependencies

Using npm:

npm install

3. Environment Variables Create a .env file at the root of the project and add your Postgresql connection string:

env

postgresql://:@localhost:5432/

Replace , , and other placeholders with your Postgresql credentials.

Prisma Setup Ensure schema.prisma is Located Correctly

The Prisma schema should be at ./prisma/schema.prisma. If it's not, move it:

mkdir -p prisma mv ./src/prisma/schema.prisma ./prisma/schema.prisma Generate Prisma Client

npx prisma generate Running the Application Start the NestJS application in development mode:

npm run start:dev

The server will run at http://localhost:4000.

API Documentation Access Swagger UI at http://localhost:4000/api to explore and test the API endpoints.

Project Structure

order-management-system/ ├── src/
├── modules │ ├── chats/ │ │ ├── dtos/ │ │ ├── entities/ │ │ ├── repository/ │ │ ├── chats.controller.ts │ │ └── chats.module.ts │ ├── orders/ │ │ ├── dtos/ │ │ ├── entities/ │ │ ├── repository/ │ │ ├── orders.controller.ts │ │ ├── orders.service.ts │ │ └── orders.module.ts │ ├── users/ │ │ ├── dtos/ │ │ ├── entities/ │ │ ├── repository/ │ │ ├── users.controller.ts │ │ ├── users.service.ts │ │ └── users.module.ts │ │ ├── interfaces/ │ │ └── utils/
│ ├── prisma/ │ │ ├── schema.prisma │ ├── shared/ | | ├── enums/ │ │ ├── interfaces/ │ │ └── utils/ │ ├── app.module.ts │ └── main.ts ├── .env ├── package.json ├── README.md └── tsconfig.json

Ensure schema.prisma is located at ./prisma/schema.prisma. If it's elsewhere, specify the path using the --schema flag:

npx prisma generate --schema=./path/to/schema.prisma

Verify that all referenced records exist before creating or updating related documents.

License This project is licensed under the MIT License.