InvoiceLLM Backend

This is the backend for the website where you can upload an invoice and get customer details, product details and total amount in json format. You can also choose to store the invoices and retrieve it, must be logged in to access these features.

You can use the pdfs provided in the sampledata folder to test the project

DataBase Schema

users (postgres)

id        : UUID
user_name : TEXT
passwd    : TEXT

invoices (mongoDB)

_id   : ObjectId
userid: string
invoice: Object
    customerdetails: Object
        name: string
        address
        phonenumber
        email
    productdetails: Array
        Object
            name
            rate
            quantity
            totalamount
totalamount
amountpayable

API Endpoints

General APIs: (without auth)

GET /          : returns hello user, no body and headers required
POST /upload   : takes pdf file and returns the invoice extracted from pdf in json format,

Auth APIs:

POST /signup   : crates a new user, takes username and password in request body
POST /login    : returns a new jwt token, takes username and password in request body

Restricted: (with auth)

POST /invoices :  adds the extracted invoice into the database, requires the extracted invoice data as request body
GET /invoices  : returns all the invoices saved by a particular user

Note: Jwt token expiry after logout and refresh token not implemented.