Project Donation App

This is a donation platform built for a hackathon. The app allows users to sign up, log in, create donation projects, and support projects by making donations. MongoDB is used for data storage, and Langchain is integrated for basic chatbot functionalities.

Features

• User Authentication: Signup and login with hashed passwords
• Project Creation: Users can create donation projects and set donation goals
• Donation Tracking: Shows donation progress towards each project's goal
• Chat Assistant: Basic chatbot assistance powered by Langchain (testing mode)

Technologies Used

• Frontend: React, Sass
• Backend: Node.js, Express
• Database: MongoDB (MongoDB Atlas recommended for deployment)
• AI Integration: Langchain

Getting Started

Prerequisites

• Node.js and npm installed
• MongoDB (either local or MongoDB Atlas for cloud hosting)
• Langchain API key

Setup Instructions

1. Clone the repository:

   git clone https://github.com/codebatine/Project-Donation-App.git

For both backend and frontend, run the following commands from their respective directories:

In the backend folder

cd backend
npm install

In the frontend folder

cd frontend
npm install

Set up Environment Variables:

In the backend folder, create a .env file and add the following environment variables:

MONGO_URI=<Your_MongoDB_URI>
JWT_SECRET=<Your_JWT_Secret>
LANGCHAIN_TRACING_V2=true
LANGCHAIN_ENDPOINT=https://api.smith.langchain.com
LANGCHAIN_API_KEY=<Your_Langchain_API_Key>
LANGCHAIN_PROJECT=donation-app

Start the Servers:

First, make sure MongoDB is running, either locally or on MongoDB Atlas.

Start the backend server:

cd backend
npm start

Start the frontend server:

cd frontend
node server.js

Access the Application:

The app should now be accessible at http://localhost:3000, and the backend API will be running on http://localhost:5000.

API Endpoints

Authentication

POST /api/auth/signup - Register a new user

POST /api/auth/login - Log in as an existing user

Projects

POST /api/projects - Create a new donation project

GET /api/projects - Get all projects

PUT /api/projects/:id/donate - Make a donation to a project

Chatbot

POST /api/chatbot - Interact with the Langchain-powered chatbot