2025-07-03 20:21:11 -04:00
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# LocalChat (lchat) - Improvement Plan
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## Phase 1: Architecture Foundation
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### 1.1 MVVM with ViewModels and Repository Pattern ✅
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- [x] Create ViewModels for each screen (LobbyViewModel, ChatViewModel)
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- [x] Extract business logic from Fragments to ViewModels
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- [x] Create Repository layer for data operations
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- [x] Implement proper state management with LiveData/StateFlow
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- [x] Add ViewModelFactory if needed
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### 1.2 Dependency Injection with Hilt
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- [ ] Add Hilt dependencies
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- [ ] Set up Hilt modules for WifiAwareManager
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- [ ] Convert singletons to proper DI
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- [ ] Inject ViewModels using Hilt
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## Phase 2: Core UX Improvements
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2025-07-03 20:38:49 -04:00
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### 2.1 Connection Status Management ✅
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- [x] Add connection state to ViewModels
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- [x] Create UI indicator for connection status
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- [x] Show real-time connection state changes
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- [x] Add connection error messages
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2025-07-03 20:21:11 -04:00
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### 2.2 User List Feature
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- [ ] Track connected users in Repository
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- [ ] Add UI to display active users
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- [ ] Handle user join/leave events
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- [ ] Show user count in chat header
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## Phase 3: Data Persistence
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### 3.1 Room Database Setup
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- [ ] Add Room dependencies
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- [ ] Create Message and User entities
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- [ ] Implement DAOs for data access
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- [ ] Create database migrations
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### 3.2 Message Persistence
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- [ ] Store messages in Room database
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- [ ] Load message history on app restart
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- [ ] Implement message sync logic
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- [ ] Add message timestamps
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## Phase 4: Reliability Improvements
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### 4.1 Reconnection Handling
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- [ ] Detect connection drops
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- [ ] Implement exponential backoff retry
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- [ ] Preserve message queue during disconnection
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- [ ] Auto-reconnect when network available
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### 4.2 Network State Monitoring
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- [ ] Monitor WiFi state changes
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- [ ] Handle app lifecycle properly
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- [ ] Save and restore connection state
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## Phase 5: Advanced Features
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### 5.1 Background Service
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- [ ] Create foreground service for persistent connection
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- [ ] Handle Doze mode and battery optimization
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- [ ] Add notification for active chat
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- [ ] Implement proper service lifecycle
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### 5.2 Additional Features
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- [ ] Message delivery status
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- [ ] Typing indicators
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- [ ] File/image sharing support
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- [ ] Message encryption improvements
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## Current Status
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2025-07-03 20:42:48 -04:00
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- ✅ Phase 1.1 - MVVM Architecture - COMPLETED
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- ✅ Phase 2.1 - Connection Status Management - COMPLETED
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- 🚀 Next: Phase 1.2 (Dependency Injection) or Phase 3 (Data Persistence)
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## Completed Work Summary
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1. **MVVM Architecture**: ViewModels, Repository pattern, proper separation of concerns
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2. **Connection Status**: Visual indicator with real-time updates, activity-based detection
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3. **Sleep/Wake Handling**: Auto-recovery when messages resume after device sleep
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