Custom E-Commerce Platform for Book Retail

Feature Specification Document (FSD)Project Name: Custom E-Commerce Ecosystem for Physical Book RetailTarget Platforms: Responsive Web (Admin & Customer), Mobile App (iOS & Android via Flutter)Business Model: Single-Vendor, Private Inventory (Direct-to-Consumer)1. Project OverviewThis project involves building a cohesive e-commerce ecosystem to sell physical books directly from a single inventory. The solution consists of three main components:Customer Web Storefront: A responsive website optimized for desktop and mobile browsers.Customer Mobile Application: A cross-platform app built using Flutter for iOS and Android.Unified Admin Panel: A secure web dashboard for inventory management, order processing, and sales tracking.2. Core Architecture & Shared DatabaseTo ensure consistent data across web and mobile apps, both front-ends must communicate with a shared backend and database.Database: Relational (e.g., PostgreSQL via Supabase) or NoSQL (e.g., Firestore) to store book data, user profiles, and order histories.Authentication: Unified login system. Users registered via the website can log into the mobile app using the same credentials.Media Storage: Cloud storage (e.g., AWS S3 or Firebase Storage) optimized for high-quality book cover images.3. Detailed Feature BreakdownModule 1: Customer Experience (Web & Flutter App)Authentication & ProfileSign Up / Login: Email/Password login and Social Login (Google & Apple Sign-In).Profile Management: Save delivery addresses, manage contact details, and view order history.Product DiscoveryHome Screen / Landing Page: Curated sections (e.g., "New Arrivals," "Bestsellers," "Genres").Advanced Search: Global search bar indexing Book Title, Author Name, and ISBN.Filters & Sorting: Filter by Genre, Price Range, and Language. Sort by Price (Low to High), Popularity, and Release Date.Book Detail Page: High-resolution cover display, title, author, publisher, publication year, ISBN, binding type (paperback/hardcover), stock status, synopsis, and verified customer reviews.Shopping Cart & CheckoutCart Management: Add/remove items, update quantities, and view dynamic subtotals.Checkout Workflow: 3-step checkout (Address Selection → Payment Selection → Order Summary).Payment Gateway Integration: Secure integration with local payment processors (e.g., Razorpay, Stripe) supporting UPI, Credit/Debit Cards, and Net Banking.Shipping Calculation: Automatic calculation of delivery fees based on the delivery pin code.Order Post-PurchaseOrder Tracking: Visual progress bar showing order milestones (Ordered → Shipped → Out for Delivery → Delivered).Push Notifications (App Only): Automated system notifications for order updates and tracking links.Email Notifications (Web/App): Transactional emails for order confirmation and dispatch notices.Module 2: Unified Admin Panel (Web Dashboard Only)Inventory & Catalog ManagementAdd / Edit Books: Form fields for Title, Author, ISBN, Publisher, Genre, Description, Price, and Cover Image Upload.Stock Tracking: Real-time inventory count tracker that automatically decrements when an order is successfully placed. Low-stock alert indicators.Order & Logistics ProcessingOrder Dashboard: Centralized queue showing all incoming orders sorted by status (Pending, Paid, Shipped, Cancelled).Courier Integration: Integration with shipping aggregators (e.g., Shiprocket) to generate shipping labels, manifest sheets, and tracking IDs directly from the dashboard.Status Management: Manual override to update order status if necessary.Sales AnalyticsBasic Reports: Dashboard charts showing Total Revenue, Number of Orders, and Top-Selling Books over daily, weekly, and monthly periods.4. Non-Functional RequirementsPerformance & SecurityImage Optimization: Automatic resizing and compression of book cover images to webp format to ensure rapid page load times.Data Protection: Enforcement of HTTPS encryption across all platforms and adherence to secure payment handling guidelines (PCI-DSS compliance via payment gateways).Offline Handling (App): Flutter app caching to allow users to view previously loaded book catalogs when offline.5. Technology Stack RecommendationsMobile App: Flutter (Dart) for iOS and Android deployment.Web Front-End: React.js or Next.js for the customer storefront; React.js or Tailwind CSS for the Admin Panel.Backend / Database: Supabase or Firebase (minimizes backend development hours and provides production-ready scaling).


Additionaly, Recharge & Billpayments Api(b2c & b2b), Irctc Ticket Booking through aggregator (b2b),and flight booking(b2b) api need to be integrate.