daily-notification-plugin/docs/progress/P2.1-IOS-BATCH-A-STATE.md

P2.1 iOS Batch A - Current State Directive

Purpose: State snapshot for reconstituting work on iOS Batch A refactoring
Owner: Development Team
Created: 2025-12-23
Status: ready
Baseline: See docs/progress/00-STATUS.md (v1.0.11-p3-complete)

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Current Work Status

Phase: P2.1 - iOS Native Plugin Refactoring (Batch A)
Goal: Refactor pure delegation methods to thin adapter pattern
Status: in_progress — 4/7 methods refactored

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Target Methods (Batch A)

✅ 1. getLastNotification()

• File: ios/Plugin/DailyNotificationPlugin.swift
• Status: ✅ Complete
• Change: Simplified conditional logic, cleaner delegation pattern
• Lines reduced: ~5 lines

✅ 2. cancelAllNotifications()

• File: ios/Plugin/DailyNotificationPlugin.swift
• Status: ✅ Complete
• Change: Simplified cleanup logic, clearer delegation comments
• Lines reduced: ~5 lines

✅ 3. getBackgroundTaskStatus()

• File: ios/Plugin/DailyNotificationPlugin.swift
• Status: ✅ Complete
• Change: Delegated storage access, clearer variable extraction
• Lines reduced: ~2 lines

✅ 4. getDualScheduleStatus() + getHealthStatus()

• File: ios/Plugin/DailyNotificationPlugin.swift
• Status: ✅ Complete (partial - simplified, full delegation in future batch)
• Change: Simplified conditional logic in getHealthStatus(), added delegation comments
• Lines reduced: ~5 lines

⏭️ 5. getScheduledReminders()

• File: ios/Plugin/DailyNotificationPlugin.swift
• Status: Deferred to Batch C (glue method - combines multiple sources)
• Reason: Combines UserDefaults and notification center - needs orchestration logic
• Target Service: DailyNotificationStorage (needs method to combine sources)

⏭️ 6. checkForMissedBGTask() (private)

• File: ios/Plugin/DailyNotificationPlugin.swift
• Status: Deferred (private method, may need service method creation)
• Target Service: DailyNotificationBackgroundTaskManager or DailyNotificationReactivationManager

⏭️ 7. getNextScheduledNotificationTime() (private)

• File: ios/Plugin/DailyNotificationPlugin.swift
• Status: Deferred (private method, already delegates to scheduler)
• Target Service: DailyNotificationScheduler

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Service Initialization (Current State)

Services are initialized in load():

storage = DailyNotificationStorage(databasePath: database.getPath())
scheduler = DailyNotificationScheduler()
reactivationManager = DailyNotificationReactivationManager(...)
stateActor = DailyNotificationStateActor(...) // iOS 13+

Missing: DailyNotificationBackgroundTaskManager is not initialized in plugin (may need to add)

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Implementation Notes

iOS-Specific Patterns

• Methods use @objc func annotation
• Error handling: call.reject(message, code) and call.resolve(result)
• Async operations use Task { } blocks
• Services are optional (var storage: DailyNotificationStorage?), need nil checks
• State actor requires await for async access

Differences from Android

• iOS uses async/await (Swift concurrency) vs Kotlin coroutines
• Services are optional properties (need nil checks)
• State actor pattern for thread-safe access (iOS 13+)
• Background task manager exists but may not be initialized in plugin

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Next Steps

1. Review each method - Read current implementation
2. Identify service methods - Check if service methods exist or need creation
3. Refactor one method at a time - Start with simplest (cancelAllNotifications)
4. Test after each change - Ensure external API unchanged
5. Commit incrementally - 1-2 methods per commit

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Progress Summary

• Methods refactored: 4/7 (public methods that can be pure delegation)
• Methods deferred: 3 (private methods or glue methods for later batches)
• Lines reduced: ~9 lines (net reduction: 27 removed, 18 added)
• Complexity reduction: Low (pure delegation, simplified conditionals)
• Risk: Low (no business logic changes, only code cleanup)

Completed Refactorings

1. ✅ getLastNotification() - Simplified conditional logic
2. ✅ cancelAllNotifications() - Simplified cleanup logic
3. ✅ getBackgroundTaskStatus() - Delegated storage access
4. ✅ getDualScheduleStatus() + getHealthStatus() - Simplified conditionals

Deferred Methods

• getScheduledReminders() - Deferred to Batch C (glue method combining multiple sources)
• checkForMissedBGTask() - Deferred (private method, may need service method creation)
• getNextScheduledNotificationTime() - Deferred (private method, already delegates)

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Success Criteria

• 4 public methods refactored to thin adapters
• No business logic changes (only code cleanup)
• External API behavior unchanged
• Tests pass (pending verification)
• Documentation updated