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 UBI / ONEST Network 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

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)

• UBI / ONEST Network 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 UBI / ONEST Network

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