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

Storage Implementation Checklist

Core Services

1. Storage Service Layer

• Create base PlatformService interface

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

• Implement platform-specific services

  • AbsurdSqlDatabaseService (web)
    • Database initialization
    • VFS setup with IndexedDB backend
    • Connection management
    • Operation queuing
  • NativeSQLiteService (iOS/Android) (planned)
    • SQLCipher integration
    • Native bridge setup
    • File system access
  • ElectronSQLiteService (planned)
    • Node SQLite integration
    • IPC communication
    • File system access

2. Migration Services

• Implement basic migration support
  • Dual-storage pattern (SQLite + Dexie)
  • Basic data verification
  • Rollback procedures (planned)
  • Progress tracking (planned)
• Create MigrationUI components (planned)
  • Progress indicators
  • Error handling
  • User notifications
  • Manual triggers

3. Security Layer

• Basic data integrity
• Implement EncryptionService (planned)
  • Key management
  • Encryption/decryption
  • Secure storage
• Add BiometricService (planned)
  • Platform detection
  • Authentication flow
  • Fallback mechanisms

Platform-Specific Implementation

Web Platform

• Setup absurd-sql

  • Install dependencies

    {
      "@jlongster/sql.js": "^1.8.0",
      "absurd-sql": "^1.8.0"
    }
    

  • Configure VFS with IndexedDB backend

  • Setup worker threads

  • Implement operation queuing

  • Configure database pragmas

    PRAGMA journal_mode=MEMORY;
    PRAGMA synchronous=NORMAL;
    PRAGMA foreign_keys=ON;
    PRAGMA busy_timeout=5000;
    

• Update build configuration

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

• Implement IndexedDB backend

  • Create database service
  • Add operation queuing
  • Handle initialization
  • Implement atomic operations

iOS Platform (Planned)

• 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 (Planned)

• 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 (Planned)

• 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)
  );
  
  -- Indexes for performance
  CREATE INDEX idx_accounts_created_at ON accounts(created_at);
  CREATE INDEX idx_contacts_did ON contacts(did);
  CREATE INDEX idx_settings_updated_at ON settings(updated_at);
  

• Create indexes

• Define constraints

• Add triggers (planned)

• Setup migrations (planned)

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 (Planned)

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

2. Settings UI (Planned)

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

3. Error Handling UI (Planned)

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

Testing

1. Unit Tests

• Basic service tests
  • Platform service tests
  • Database operation tests
  • Security service tests (planned)
  • Platform detection tests (planned)

2. Integration Tests (Planned)

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

3. E2E Tests (Planned)

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

Documentation

1. Technical Documentation

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

2. User Documentation (Planned)

• 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 (planned)
• Setup automated testing (planned)

2. Release Process (Planned)

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

Monitoring and Analytics (Planned)

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 (Planned)

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
• Operation queuing for thread safety
• Proper initialization handling
• Migration time < 5s per 1000 records (planned)
• Storage overhead < 10% (planned)
• Memory usage < 50MB (planned)

2. Reliability

• Basic data integrity
• Operation queuing
• Automatic recovery (planned)
• Backup verification (planned)
• Transaction atomicity (planned)
• Data consistency (planned)

3. Security

• Basic data integrity
• AES-256 encryption (planned)
• Secure key storage (planned)
• Access control (planned)
• Audit logging (planned)

4. User Experience

• Basic database operations
• Smooth migration (planned)
• Clear error messages (planned)
• Progress indicators (planned)
• Recovery options (planned)