Lenstec Patient Product Document Portal

Project Overview

The Lenstec Patient Product Document Portal is a secure, web-based medical document management platform developed for Lenstec. The system centralizes product-related patient documentation and provides structured access control for administrators and subscribed customers.

The portal enables medical professionals and authorized users to securely access, search, and subscribe to official product documentation, while administrators maintain full control over document management and distribution.

The solution was built using modern full-stack technologies with scalability, security, and performance in mind.

Objective

The goal of the project was to create a centralized digital platform that:

• Eliminates manual document distribution

• Ensures controlled access to sensitive medical documentation

• Notifies subscribed users automatically when documents are updated

• Provides a seamless user experience across devices

• Maintains structured document organization and search functionality

🏗 System Architecture Overview

The system follows a full-stack architecture:

🔹 Frontend

• Built with Next.js (React-based framework)

• UI developed using Next UI components

• Responsive, clean, and medical-grade interface

• Server-side rendering (SSR) for improved performance and SEO

🔹 Backend

• Developed with Node.js

• RESTful API architecture

• Secure authentication & authorization system

• Role-based access control

🔹 Database

• MongoDB (NoSQL database)

• Flexible schema for document metadata, users, and subscriptions

🔹 File Storage

• Cloudinary integration for secure document upload and storage

• Optimized document delivery

• Scalable cloud-based file management

 Core Features & Functionalities

🛠 1. Super Admin Panel

The Super Admin has complete control over the platform:

• Upload medical documents via Cloudinary

• Edit or replace existing documents

• Manage customer accounts

• Organize documents by category

• Track document updates

• Control user subscriptions

The admin dashboard ensures structured content governance and secure document lifecycle management.

👥 2. Customer Portal

Customers (authorized users) can:

• Register and securely log in

• Subscribe to specific documents

• View and download permitted documents

• Search documents using keywords

• Receive email notifications when subscribed documents are updated

This ensures customers always have access to the most current product documentation.

📩 3. Subscription & Email Notification System

One of the key features implemented:

• Users can subscribe to individual documents

• When an admin updates a document,
  → All subscribed users automatically receive email notifications

This guarantees compliance and keeps medical professionals informed in real time.

🔍 4. Advanced Document Search

• Search functionality based on metadata

• Fast document filtering

• Keyword-based lookup

• Optimized MongoDB queries for performance

This significantly improves user experience and reduces time spent locating critical documents.

🔐 5. Secure Authentication & Role Management

• Role-based access control (Super Admin / Customer)

• Secure login & signup workflow

• Protected API routes

• Controlled document access

Security was a major priority due to the medical nature of the content.

⚙️ Key Technical Challenges & Solutions

Challenge 1: Controlled Access to Sensitive Medical Documents

Medical documentation requires strict access control and update tracking.

Solution:
Implemented role-based authorization and structured subscription logic to ensure only authorized users can access documents.

Challenge 2: Automated Notification Workflow

Users needed automatic alerts when subscribed documents changed.

Solution:
Developed a backend-triggered email notification system that detects document updates and sends structured notifications to subscribed users.

Challenge 3: Scalable Document Storage

Handling large medical PDFs and structured storage securely.

Solution:
Integrated Cloudinary for scalable document management and efficient cloud delivery.

📈 Impact & Business Value

• Centralized all product documentation in one secure portal

• Reduced manual document distribution

• Improved compliance through update notifications

• Enhanced user experience with search and subscriptions

• Enabled scalable document management infrastructure

💡 What This Project Demonstrates

This project highlights my ability to:

• Build secure medical-grade web applications

• Design role-based SaaS systems

• Integrate third-party cloud services (Cloudinary)

• Implement subscription-based logic

• Develop scalable full-stack architectures

• Deliver professional admin dashboards

🔒 Professional Disclaimer

This project is showcased in my portfolio strictly as a development reference. All rights, trademarks, branding, and operational ownership belong to Lenstec. My involvement was exclusively in the capacity of a Full Stack Developer.