Architecture Overview

This document provides a simple overview of the UBI Provider system architecture with three essential diagrams.

System Overview

The UBI Provider system enables providers to manage benefit applications through ONDC protocol. It consists of three main parts:

• Provider UI: React frontend for providers

• Provider Middleware: NestJS backend handling business logic

• Provider CMS: Strapi CMS for content management

1. High-Level Architecture Diagram

2. Sequence Diagrams

2.1 Login and View Benefits

2.2 View Applications and Application Details

2.3 Application Form Submission and Processing

3. Data Flow Diagram

Key Features

Frontend (Provider UI)

• Login and authentication

• View available benefits

• View submitted applications

• View application details

• Submit new applications

Backend (Provider Middleware)

• JWT authentication

• CRUD operations for applications

• File storage management

• Background processing (eligibility & calculations)

• ONDC protocol integration

CMS (Strapi)

• Benefit configurations

• Form schemas

• Content management

Background Processing

• Eligibility checking (every 30 minutes)

• Benefit amount calculations (every 30 minutes)

• Document verification

• Status updates to ONDC

This simplified architecture focuses on the core user flows and system interactions that are essential for understanding how the provider system works.