Feature Specifications

Feature Specifications

Core Features (Backend Priority)

1. Event Discovery Service

Priority: P0
Component: Backend
Dependencies:
  - Google Search API
  - Google Places API
  - Redis Cache

Implementation:
  - Lambda Function: event-discovery
  - Endpoint: /api/v1/events
  - Caching: 15-minute TTL
  - Rate Limiting: 60 requests/minute

Features:
  - Location-based search
  - Event type filtering
  - Date range filtering
  - Radius-based search
  - Automatic event updates

2. User Management

Priority: P0
Component: Backend
Dependencies:
  - Auth0
  - MongoDB Atlas

Implementation:
  - Lambda Function: user-management
  - Endpoints: 
    - /api/v1/users
    - /api/v1/preferences
  - Authentication: JWT tokens
  - Session Management: Auth0

Features:
  - User registration
  - Profile management
  - Preference storage
  - Location settings

3. Calendar Integration

Priority: P1
Component: Backend
Dependencies:
  - Google Calendar API
  - MongoDB Atlas

Implementation:
  - Lambda Function: calendar-sync
  - Endpoints: /api/v1/calendar
  - OAuth2 Authentication
  - Background Sync

Features:
  - Event synchronization
  - Calendar updates
  - Reminder settings
  - Conflict detection

4. Event Management

Priority: P1
Component: Backend
Dependencies:
  - MongoDB Atlas
  - Redis Cache

Implementation:
  - Lambda Function: event-management
  - Endpoints: 
    - /api/v1/events/{id}
    - /api/v1/user-events
  - Real-time updates
  - Caching strategy

Features:
  - Event saving
  - Status tracking
  - Notes and reminders
  - Registration links

Mobile App Features (Frontend)

1. Event Discovery UI

Priority: P2
Component: Frontend
Dependencies:
  - Event Discovery Service
  - Google Maps SDK

Implementation:
  - List view
  - Map view
  - Search filters
  - Pull-to-refresh

Features:
  - Event cards
  - Quick actions
  - Distance display
  - Registration status

2. User Profile

Priority: P2
Component: Frontend
Dependencies:
  - User Management Service
  - Auth0 SDK

Implementation:
  - Profile screen
  - Settings screen
  - Preference management
  - Location services

Features:
  - Profile editing
  - Preference settings
  - Location management
  - Notification settings

Feature Dependencies

graph TD
    A[Event Discovery Service] --> B[Event Discovery UI]
    C[User Management] --> D[User Profile]
    E[Calendar Integration] --> F[Event Management]
    B --> F
    D --> F

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API Integration Requirements

Google APIs

Required APIs:
  - Google Search API:
      Usage: Event discovery
      Quota: 10,000 requests/day
  - Google Places API:
      Usage: Location services
      Quota: 5,000 requests/day
  - Google Calendar API:
      Usage: Calendar sync
      Quota: 1,000,000 requests/day

Authentication:
  - OAuth 2.0
  - API Keys
  - Service Accounts

Auth0 Integration

Features:
  - Social login
  - JWT tokens
  - User management
  - Role-based access

Configuration:
  - Multiple applications
  - Custom rules
  - User metadata

Performance Requirements

Backend Services

Response Times:
  - Event Discovery: < 500ms
  - User Operations: < 200ms
  - Calendar Sync: < 1000ms

Availability:
  Target: 99.9%
  Maximum Downtime: 43 minutes/month

Scalability:
  - Auto-scaling enabled
  - Burst capacity: 1000 req/min

Caching Strategy

Redis Cache:
  - Event Results: 15 minutes
  - User Preferences: 60 minutes
  - Static Data: 24 hours

Cache Invalidation:
  - Time-based expiry
  - Manual purge API
  - Automatic refresh

Monitoring and Analytics

Service Health

Metrics:
  - API response times
  - Error rates
  - Cache hit rates
  - API quota usage

Alerts:
  - Error rate > 1%
  - Response time > 1s
  - API quota > 80%

Usage Analytics

Track:
  - Daily active users
  - Event discoveries
  - Calendar syncs
  - Search patterns
  - User engagement