crowd-funder-for-time-pwa/docs/storage-implementation-checklist.md

Storage Implementation Checklist

Core Services

1. Storage Service Layer

• Create base StorageService interface

  • Define common methods for all platforms
  • Add platform-specific method signatures
  • Include error handling types
  • Add migration support methods

• Implement platform-specific services

  • WebSQLiteService (wa-sqlite)
    • Database initialization
    • VFS setup
    • Connection management
    • Query builder
  • NativeSQLiteService (iOS/Android)
    • SQLCipher integration
    • Native bridge setup
    • File system access
  • ElectronSQLiteService
    • Node SQLite integration
    • IPC communication
    • File system access

2. Migration Services

• Implement MigrationService
  • Backup creation
  • Data verification
  • Rollback procedures
  • Progress tracking
• Create MigrationUI components
  • Progress indicators
  • Error handling
  • User notifications
  • Manual triggers

3. Security Layer

• Implement EncryptionService
  • Key management
  • Encryption/decryption
  • Secure storage
• Add BiometricService
  • Platform detection
  • Authentication flow
  • Fallback mechanisms

Platform-Specific Implementation

Web Platform

• Setup wa-sqlite

  • Install dependencies

    {
      "@wa-sqlite/sql.js": "^0.8.12",
      "@wa-sqlite/sql.js-httpvfs": "^0.8.12"
    }
    

  • Configure VFS
  • Setup worker threads
  • Implement connection pooling

• Update build configuration

  • Modify vite.config.ts
  • Add worker configuration
  • Update chunk splitting
  • Configure asset handling

• Implement IndexedDB fallback

  • Create fallback service
  • Add data synchronization
  • Handle quota exceeded

iOS Platform

• Setup SQLCipher

  • Install pod dependencies
  • Configure encryption
  • Setup keychain access
  • Implement secure storage

• Update Capacitor config

  • Modify capacitor.config.ts
  • Add iOS permissions
  • Configure backup
  • Setup app groups

Android Platform

• Setup SQLCipher

  • Add Gradle dependencies
  • Configure encryption
  • Setup keystore
  • Implement secure storage

• Update Capacitor config

  • Modify capacitor.config.ts
  • Add Android permissions
  • Configure backup
  • Setup file provider

Electron Platform

• Setup Node SQLite

  • Install dependencies
  • Configure IPC
  • Setup file system access
  • Implement secure storage

• Update Electron config

  • Modify electron.config.ts
  • Add security policies
  • Configure file access
  • Setup auto-updates

Data Models and Types

1. Database Schema

• Define tables

  -- Accounts table
  CREATE TABLE accounts (
    did TEXT PRIMARY KEY,
    public_key_hex TEXT NOT NULL,
    created_at INTEGER NOT NULL,
    updated_at INTEGER NOT NULL
  );
  
  -- Settings table
  CREATE TABLE settings (
    key TEXT PRIMARY KEY,
    value TEXT NOT NULL,
    updated_at INTEGER NOT NULL
  );
  
  -- Contacts table
  CREATE TABLE contacts (
    id TEXT PRIMARY KEY,
    did TEXT NOT NULL,
    name TEXT,
    created_at INTEGER NOT NULL,
    updated_at INTEGER NOT NULL,
    FOREIGN KEY (did) REFERENCES accounts(did)
  );
  

• Create indexes

• Define constraints

• Add triggers

• Setup migrations

2. Type Definitions

• Create interfaces

  interface Account {
    did: string;
    publicKeyHex: string;
    createdAt: number;
    updatedAt: number;
  }
  
  interface Setting {
    key: string;
    value: string;
    updatedAt: number;
  }
  
  interface Contact {
    id: string;
    did: string;
    name?: string;
    createdAt: number;
    updatedAt: number;
  }
  

• Add validation

• Create DTOs

• Define enums

• Add type guards

UI Components

1. Migration UI

• Create components
  • MigrationProgress.vue
  • MigrationError.vue
  • MigrationSettings.vue
  • MigrationStatus.vue

2. Settings UI

• Update components
  • Add storage settings
  • Add migration controls
  • Add backup options
  • Add security settings

3. Error Handling UI

• Create components
  • StorageError.vue
  • QuotaExceeded.vue
  • MigrationFailed.vue
  • RecoveryOptions.vue

Testing

1. Unit Tests

• Test services
  • Storage service tests
  • Migration service tests
  • Security service tests
  • Platform detection tests

2. Integration Tests

• Test migrations
  • Web platform tests
  • iOS platform tests
  • Android platform tests
  • Electron platform tests

3. E2E Tests

• Test workflows
  • Account management
  • Settings management
  • Contact management
  • Migration process

Documentation

1. Technical Documentation

• Update architecture docs
• Add API documentation
• Create migration guides
• Document security measures

2. User Documentation

• Update user guides
• Add troubleshooting guides
• Create FAQ
• Document new features

Deployment

1. Build Process

• Update build scripts
• Add platform-specific builds
• Configure CI/CD
• Setup automated testing

2. Release Process

• Create release checklist
• Add version management
• Setup rollback procedures
• Configure monitoring

Monitoring and Analytics

1. Error Tracking

• Setup error logging
• Add performance monitoring
• Configure alerts
• Create dashboards

2. Usage Analytics

• Add storage metrics
• Track migration success
• Monitor performance
• Collect user feedback

Security Audit

1. Code Review

• Review encryption
• Check access controls
• Verify data handling
• Audit dependencies

2. Penetration Testing

• Test data access
• Verify encryption
• Check authentication
• Review permissions

Success Criteria

1. Performance

• Query response time < 100ms
• Migration time < 5s per 1000 records
• Storage overhead < 10%
• Memory usage < 50MB

2. Reliability

• 99.9% uptime
• Zero data loss
• Automatic recovery
• Backup verification

3. Security

• AES-256 encryption
• Secure key storage
• Access control
• Audit logging

4. User Experience

• Smooth migration
• Clear error messages
• Progress indicators
• Recovery options