Enhance background task handlers with recovery logic and comprehensive
code documentation:
Background Task Handlers (Section 3.3):
- Enhance handleBackgroundFetch with recovery logic:
- Verify scheduled notifications after fetch
- Schedule next background task automatically
- Improved expiration handling with graceful cleanup
- Enhance handleBackgroundNotify with recovery logic:
- Verify scheduled notifications state
- Prepare for next task scheduling
- Improved expiration handling with graceful cleanup
- Add getNextScheduledNotificationTime() helper method
- Wraps scheduler.getNextNotificationTime() with timeout
- Used for automatic next task scheduling
Code Documentation (Section 10.1):
- Add comprehensive file-level documentation to ReactivationManager:
- Purpose, features, architecture overview
- Recovery scenarios supported
- Error handling approach
- Thread safety notes
- Cross-references to requirements docs
- Add detailed method-level documentation:
- performRecovery(): process, scenarios, error handling
- detectScenario(): detection logic, error handling
- performColdStartRecovery(): steps, return values
- detectMissedNotifications(): criteria, error handling
- verifyFutureNotifications(): verification process
- rescheduleMissingNotification(): process, throws
- handleTerminationRecovery(): comprehensive recovery
- performBootRecovery(): boot recovery process
- recordRecoveryHistory(): history recording
- recordRecoveryFailure(): failure recording
- detectBootScenario(): detection logic
- updateLastLaunchTime(): storage details
- verifyBGTaskRegistration(): diagnostic method
- Add @param, @return, @throws tags to all methods
- Document error handling behavior for all methods
Implementation Status (Section 10.2):
- Update ios/Plugin/README.md with current status:
- Mark all completed features as ✅
- Add new components (DAO classes, ReactivationManager)
- Update version to 1.1.0
- Add recovery scenarios supported
- Update architecture overview
- Add last updated date (2025-12-08)
Completes sections 3.3, 10.1, and 10.2 of iOS implementation checklist.
125 lines
4.5 KiB
Markdown
125 lines
4.5 KiB
Markdown
# iOS Implementation
|
||
|
||
This directory contains the iOS-specific implementation of the DailyNotification plugin.
|
||
|
||
**Last Updated**: 2025-12-08
|
||
**Version**: 1.1.0
|
||
|
||
## Current Implementation Status
|
||
|
||
**✅ IMPLEMENTED:**
|
||
- Basic plugin structure (`DailyNotificationPlugin.swift`)
|
||
- UserDefaults for local data storage
|
||
- Power management (`DailyNotificationPowerManager.swift`)
|
||
- Battery optimization handling
|
||
- iOS notification categories and actions
|
||
- **App Launch Recovery** (`DailyNotificationReactivationManager.swift`)
|
||
- Cold start recovery
|
||
- Termination recovery
|
||
- Boot recovery
|
||
- Scenario detection
|
||
- Missed notification detection
|
||
- Future notification verification
|
||
- **Core Data Integration**
|
||
- NotificationContent, NotificationDelivery, NotificationConfig entities
|
||
- DAO classes for all entities (CRUD operations)
|
||
- Data type conversions (Date ↔ Int64, etc.)
|
||
- PersistenceController with entity verification
|
||
- **Logging & Observability**
|
||
- Comprehensive recovery logging
|
||
- Metrics recording in Core Data History
|
||
- Execution time tracking
|
||
- **Error Handling**
|
||
- iOS-specific error codes
|
||
- Graceful error handling (non-fatal)
|
||
- Partial results on failures
|
||
- **API Methods**
|
||
- iOS-specific notification permission methods
|
||
- Background task status methods
|
||
- Pending notifications query
|
||
|
||
**⚠️ PARTIALLY IMPLEMENTED:**
|
||
- `BGTaskScheduler` for background data fetching (basic registration)
|
||
- Background task management (needs enhancement)
|
||
|
||
**❌ NOT IMPLEMENTED (Planned):**
|
||
- Silent push nudge support
|
||
- T–lead prefetch logic (enhancement)
|
||
|
||
## Implementation Details
|
||
|
||
The iOS implementation currently uses:
|
||
|
||
- `UNUserNotificationCenter` for notification management ✅
|
||
- `UserDefaults` for local data storage ✅
|
||
- iOS notification categories and actions ✅
|
||
- Power management and battery optimization ✅
|
||
- **Core Data** for structured data persistence ✅
|
||
- **BGTaskScheduler** for background task registration ✅
|
||
- **App Launch Recovery** for notification reconciliation ✅
|
||
|
||
**Architecture:**
|
||
- **ReactivationManager**: Handles app launch recovery scenarios
|
||
- **DAO Layer**: Core Data access objects for all entities
|
||
- **Data Conversions**: Type conversion utilities (Date, Int, String, JSON)
|
||
- **History Recording**: Core Data persistence for recovery metrics
|
||
- **Error Handling**: Comprehensive error codes and graceful degradation
|
||
|
||
**Planned additions:**
|
||
- Enhanced background task management
|
||
- Silent push support
|
||
|
||
## Native Code Location
|
||
|
||
The native iOS implementation is located in the `ios/` directory at the project root.
|
||
|
||
## Key Components
|
||
|
||
1. `DailyNotificationPlugin.swift`: Main plugin class ✅
|
||
2. `DailyNotificationPowerManager.swift`: Power state management ✅
|
||
3. `DailyNotificationConfig.swift`: Configuration options ✅
|
||
4. `DailyNotificationMaintenanceWorker.swift`: Maintenance tasks ✅
|
||
5. `DailyNotificationLogger.swift`: Logging system ✅
|
||
6. **`DailyNotificationReactivationManager.swift`**: App launch recovery ✅
|
||
7. **`HistoryDAO.swift`**: Recovery history persistence ✅
|
||
8. **`NotificationContentDAO.swift`**: Notification content CRUD ✅
|
||
9. **`NotificationDeliveryDAO.swift`**: Delivery tracking CRUD ✅
|
||
10. **`NotificationConfigDAO.swift`**: Configuration CRUD ✅
|
||
11. **`DailyNotificationDataConversions.swift`**: Type conversion utilities ✅
|
||
12. **`DailyNotificationErrorCodes.swift`**: iOS-specific error codes ✅
|
||
13. **`DailyNotificationModel.swift`**: Core Data model & PersistenceController ✅
|
||
|
||
**Background Task Components:**
|
||
- `DailyNotificationBackgroundTasks.swift`: Background task handlers ⚠️ (basic)
|
||
- `DailyNotificationBackgroundTaskManager.swift`: Task management ⚠️ (basic)
|
||
|
||
## Implementation Notes
|
||
|
||
- Uses UserDefaults for lightweight data storage ✅
|
||
- Uses Core Data for structured data persistence ✅
|
||
- Implements proper battery optimization handling ✅
|
||
- Supports iOS notification categories and actions ✅
|
||
- Handles background refresh limitations ✅
|
||
- **App launch recovery with scenario detection** ✅
|
||
- **Comprehensive error handling (non-fatal)** ✅
|
||
- **Metrics recording and observability** ✅
|
||
- **BGTaskScheduler registration** ✅
|
||
|
||
**Recovery Scenarios Supported:**
|
||
- ✅ Cold Start: App terminated, notifications may need verification
|
||
- ✅ Termination: App terminated, all notifications cleared
|
||
- ✅ Boot: Device rebooted, full recovery needed
|
||
- ✅ Warm Start: No recovery needed (optimization)
|
||
|
||
**Planned Features:**
|
||
- Enhanced background task budget management
|
||
- Silent push notification support
|
||
- Advanced prefetch logic
|
||
|
||
## Testing
|
||
|
||
Run iOS-specific tests with:
|
||
|
||
```bash
|
||
npm run test:ios
|
||
``` |