[TSD] Nika MVP

1. Introduction

This document outlines the technical specifications for the development of Nika, an integrated platform for wedding planning. The platform will offer RSVP and guest list management, a wedding website builder, customizable invitation templates, video integration, and registry options. The focus is on utilizing cost-effective or free services for development and deployment.

2. System Architecture

The architecture will be a multi-tiered system consisting of the following layers: - Presentation Layer: Frontend application (web interface) - Application Layer: Backend services and APIs - Data Layer: Database and storage solutions

3. Technology Stack

Frontend - Framework: React.js (Free and open-source) - Styling: Tailwind CSS (Free and open-source) - State Management: Redux or Context API (Free and open-source) - Build Tools: Vite or Create React App (Free and open-source)

Backend - Framework: Node.js with Express.js (Free and open-source) - Authentication: Firebase Authentication (Free tier available) - Payments: Stripe (Transaction-based fees, no upfront cost) - Video Hosting: Vimeo (Free tier with limited features) or YouTube API (Free)

Database - Primary Database: PostgreSQL via Heroku Postgres (Free tier available) - NoSQL Option: Firebase Firestore (Free tier available) - Object Storage: Backblaze B2 (Low-cost alternative to AWS S3)

Deployment and Hosting - Web Hosting: Netlify (Free tier available) - Backend Hosting: Heroku (Free tier available) - Domain Management: Namecheap (Affordable domain registration)

4. Functional Modules

4.1. RSVP and Guest List Management

Requirements: - Guest List Creation: Import from CSV/Excel, add manually. - RSVP System: Send RSVPs via email, track responses, automated reminders. - Real-Time Updates: Display RSVP status, guest counts.

Technical Specifications: - API Endpoints: - `POST /guests`: Add guests - `GET /guests`: Retrieve guest list - `POST /rsvp`: Send RSVP emails - `GET /rsvp/status`: Get RSVP status - Database Schema: - Guests Table: `id`, `name`, `email`, `status` - RSVPs Table: `id`, `guest_id`, `response`, `timestamp`

4.2. Wedding Website Builder

Requirements: - Prompt-Based Generation: Users enter a prompt to generate a website. - Template Selection: Choose from various templates based on user preferences. - Customization: Change colors, fonts, images; add/remove sections. - Drag-and-Drop Interface: Rearrange sections, WYSIWYG editor. - Mobile Responsiveness: Ensure site looks good on all devices. - Preview and Publish: Preview site before publishing, unique URL for published site.

Technical Specifications: - API Endpoints: - `POST /website/generate`: Generate website based on prompt - `GET /templates`: Retrieve available templates - `POST /website/customize`: Save customizations - `GET /website/preview`: Preview website - `POST /website/publish`: Publish website - Database Schema: - Websites Table: `id`, `user_id`, `template_id`, `customizations`, `status` - Templates Table: `id`, `name`, `description`, `layout`

4.3. Invitation Templates

Requirements: - Template Library: Categorized templates by themes. - Customization: Personalize text, colors, fonts, images. - Digital Distribution: Send via email/social media, track delivery/open rates. - Downloadable Formats: PDF, image formats for printing or digital use.

Technical Specifications: - API Endpoints: - `GET /invitations/templates`: Retrieve available templates - `POST /invitations/customize`: Customize invitation - `POST /invitations/send`: Send invitations - `GET /invitations/download`: Download invitation - Database Schema: - Invitations Table: `id`, `user_id`, `template_id`, `customizations`, `status` - Templates Table: `id`, `name`, `description`, `category`

4.4. Video Integration

Requirements: - Embedding Videos: Embed videos in the wedding website. - Video Invitations: Create and send video invitations. - Format Support: Support for various video formats (MP4, AVI, etc.).

Technical Specifications: - API Endpoints: - `POST /video/upload`: Upload video - `GET /video/embed`: Embed video in website - `POST /video/invitation/create`: Create video invitation - `POST /video/invitation/send`: Send video invitation - **Database Schema**: - Videos Table: `id`, `user_id`, `url`, `title`, `description` - Video Invitations Table: `id`, `user_id`, `video_id`, `status`

4.5. Registry Option

Requirements: - Monetary Contributions: Allow guests to transfer money. - Payment Integration: Integrate with payment gateways (PayPal, Stripe). - Tracking: Track contributions and manage thank-you notes.

Technical Specifications: - API Endpoints: - `POST /registry/create`: Create registry entry - `POST /registry/contribute`: Make a contribution - `GET /registry/contributions`: Retrieve contributions - Database Schema: - Registry Table: `id`, `user_id`, `description`, `goal_amount`, `received_amount` - Contributions Table: `id`, `registry_id`, `contributor_name`, `amount`, `timestamp`

5. Security Considerations

- Authentication: Use Firebase Authentication for secure user login and registration. - Data Encryption: Encrypt sensitive data at rest and in transit. - Compliance: Ensure compliance with local regulations such as GDPR.

6. Performance and Scalability

- Load Balancing: Use free tiers of services like Heroku and Netlify for basic load balancing. - Caching: Implement caching strategies using Redis or similar free caching solutions. - Monitoring: Use free tiers of monitoring tools like New Relic or Grafana for performance tracking.

7. Usability and Accessibility

- User Interface: Design a user-friendly and intuitive interface using React.js and Tailwind CSS. - Accessibility: Follow WCAG 2.1 guidelines to ensure accessibility for all users.

8. Deployment and Maintenance

- CI/CD Pipeline: Use GitHub Actions (free for public repositories) for continuous integration and deployment. - Hosting: Deploy frontend on Netlify and backend on Heroku (both have free tiers). - Domain Management: Use Namecheap for affordable domain registration.

9. Conclusion

This technical specification document provides a comprehensive guide for developing Nika using cost-effective or free services. By leveraging these resources, Nika can be developed and deployed efficiently, ensuring high-quality service while minimizing costs.

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