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LearnIT/docs/PROJECT_PROGRESS.md

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# 📊 Project Progress - AI Study Assistant
---
## 🎯 OVERVIEW
This document tracks the overall progress of the AI Study Assistant project development. Updated in real-time as features are implemented.
---
## 📈 CURRENT STATUS
### **Overall Progress: 95% Complete**
- ✅ **Foundation:** 100% Complete
- ✅ **UI/UX:** 99% Complete
- ✅ **Internationalization:** 100% Complete
- ✅ **Authentication:** 100% Complete
- ✅ **Core Features:** 95% Complete
- ✅ **Backend Integration:** 95% Complete
---
## ✅ COMPLETED FEATURES
### **🏗️ Project Foundation (100%)**
- [x] Flutter project structure setup
- [x] Core theme and color system
- [x] Navigation system (GoRouter)
- [x] Asset management
- [x] Development environment configuration
### **🎨 UI/UX Components (95%)**
- [x] Splash screen with animations
- [x] Login page with improved design and navigation
- [x] Role selection page (student/teacher)
- [x] Dynamic background effects
- [x] Responsive animations
- [x] Dark/light theme support
- [x] Signup page (updated with theme fixes)
- [x] Dashboard pages (fixed overflow issue)
### **🌍 Internationalization (100%)**
- [x] Portuguese (Portugal) as primary language
- [x] English fallback support
- [x] Localization system setup
- [x] All UI text localized
- [x] Language policy documentation
### **🔐 Authentication System (100%)**
- [x] Login UI implementation
- [x] Form validation
- [x] Navigation flow
- [x] Firebase integration
- [x] Real authentication logic
- [x] Token management
- [x] Session persistence
- [x] Signup page with Portuguese localization
- [x] Role-based routing
- [x] Profile editing
### **📚 Content Management System (75%)**
- [x] Teacher materials upload page
- Tela dedicada: `lib/features/materials/presentation/pages/teacher_materials_page.dart`
- Acesso via card "Upload Conteúdo" no dashboard
- Listagem em tempo real via StreamBuilder
- Upload de PDFs, imagens da galeria e fotos da câmara
- Firebase Storage integration
- Firestore collection `materials` com metadados
- [ ] Content processing for AI (RAG pipeline)
- [ ] Content approval workflow
- [ ] Content categorization
### **<2A>🔧 Development Setup (100%)**
- [x] Flutter SDK configuration
- [x] Device deployment (Samsung S928B)
- [x] Hot reload functionality
- [x] Debug tools setup
- [x] Code structure standards
---
## ⏳ PENDING FEATURES
### **🤖 AI Tutor System (98%)**
- [x] Chat interface design
- [x] Message handling with source citations
- [x] Response formatting with confidence scores
- [x] AI integration setup (Ollama API)
- [x] RAG pipeline implementation
- [x] Vector embeddings and similarity search
- [x] Content management system
- [x] Conversation history
- [x] Smart back navigation (chat vs intro)
- [x] Material names display in history
- [x] Filter conversations with user messages only
- [ ] Voice input support
- [ ] Multi-language support
- [ ] Advanced analytics
### **📝 Quiz System (90%)**
- [x] Quiz creation interface
- [x] Question types implementation (multiple choice)
- [x] Scoring system
- [x] Progress tracking
- [x] Results display
- [x] Quiz categories
- [x] AI-powered quiz generation from materials
- [x] Teacher quiz management
- [x] Student quiz taking interface
- [x] Quiz history and retry
- [ ] Advanced question types (fill in blank, true/false)
- [ ] Quiz sharing between classes
### **📊 Dashboard System (95%)**
- [x] Student dashboard
- [x] Teacher dashboard
- [x] Analytics display
- [x] Progress charts
- [x] Performance metrics
- [x] Quick actions
- [x] Class management
- [x] Student enrollment
- [ ] Advanced data visualization
### **🔍 RAG Engine (85%)**
- [x] Vector database setup (FAISS)
- [x] Document processing
- [x] Search implementation
- [x] Context retrieval
- [x] Answer generation
- [x] MaterialsRAGService implementation
- [x] RAG AI service integration
- [ ] Performance optimization
- [ ] Advanced reranking
### **📈 Analytics System (90%)**
- [x] Learning progress tracking
- [x] Usage statistics
- [x] Performance metrics
- [x] Gamification service
- [x] Achievement system
- [x] Class analytics
- [x] Student rankings
- [x] Teacher analytics dashboard
- [ ] Export functionality
- [ ] Advanced data visualization
---
## 🎯 CURRENT SPRINT
### **Sprint 4: Polish & Optimization (In Progress)**
**Duration:** Current Week
**Goal:** Finalize features and optimize performance
#### **Tasks:**
- [x] Fix dashboard progress data flickering
- [x] Cache user name and stats
- [x] Smart back navigation in chat history
- [x] Material names display in history
- [x] Filter conversations with user messages
- [x] Remove new chat button from intro screen
- [x] Update documentation with actual progress
- [ ] Performance optimization
- [ ] Bug fixes and polish
#### **Progress:** 80% Complete
---
## 📅 RELEASE ROADMAP
### **Version 1.0 - MVP (Target: Completed)**
- ✅ Basic UI/UX
- ✅ Internationalization
- ✅ Navigation flow
- ✅ Complete authentication
- ✅ Basic dashboard
- ✅ Quiz system
- ✅ AI tutor integration
- ✅ Analytics system
- ✅ Class management
- ✅ Materials upload
### **Version 1.1 - Enhanced Features (Target: 2 Weeks)**
- ⏳ Voice input support
- ⏳ Advanced question types
- ⏳ Advanced data visualization
- ⏳ Performance optimizations
- ⏳ Quiz sharing between classes
### **Version 2.0 - Full Platform (Target: 8 Weeks)**
- ⏳ Complete RAG engine optimization
- ⏳ Advanced analytics export
- ⏳ Multi-language support
- ⏳ Offline mode enhancements
- ⏳ Mobile optimizations
---
## 🐛 KNOWN ISSUES
### **Critical Issues (0)**
- None currently
### **Minor Issues (0)**
- None currently
### **Technical Debt (2)**
- [ ] Add comprehensive error handling
- [ ] Implement proper logging system
- [ ] Add unit tests
- [ ] Optimize bundle size
---
## 📊 METRICS
### **Development Metrics:**
- **Total Files:** 80+ Dart files
- **Lines of Code:** ~8,000+ lines
- **Dependencies:** 30+ packages
- **Build Time:** ~20 seconds
- **App Size:** ~35MB (debug)
### **Quality Metrics:**
- **Code Coverage:** 0% (needs testing)
- **Lint Issues:** 0 critical
- **Performance:** Good
- **Accessibility:** Partially compliant
---
## 🔄 RECENT CHANGES
### **Last 24 Hours:**
- ✅ **Smart Back Navigation in Chat History** - chat_history_page.dart & tutor_chat_page_simple.dart
- Implemented intelligent back navigation based on entry point
- When accessed from chat: returns to the previous conversation
- When accessed from intro: returns to intro screen
- Added PopScope for Android back gesture handling
- Passes source parameter (chat/intro) and conversationId in URL
- ✅ **Material Names Display in Chat History** - chat_history_page.dart
- Replaced raw material IDs with readable file names
- Added _materialNamesCache to store ID-to-name mappings
- Added _loadMaterialNames method to fetch names from Firestore
- Material names truncated to 20 characters if too long
- Fallback to ID if name not found
- ✅ **Filter Conversations with User Messages Only** - chat_memory_service.dart
- Added hasUserMessage field to conversation documents
- Initialized to false when conversation is created
- Set to true when user sends a message
- getConversations filters to show only conversations with hasUserMessage == true
- Prevents empty conversations from appearing in history
- ✅ **Dashboard Data Caching** - progress_hero_widget.dart & student_dashboard_page.dart
- Added caching for user stats to prevent flickering on navigation
- Added caching for user name to prevent flickering on navigation
- Shows cached data while loading new data in background
- Only shows loading state on first load
- Added clearCachedUserName() method to update cache when profile changes
- ✅ **Profile Edit Integration** - profile_edit_page.dart
- Calls StudentDashboardPage.clearCachedUserName() when profile is updated
- Ensures dashboard reflects name changes immediately
- ✅ **Remove New Chat Button from Intro Screen** - tutor_chat_page_simple.dart
- New chat button now only shows when _materialsConfirmed is true
- Hidden in intro screen to reduce UI clutter
- ✅ **Fixed Settings Profile Card UI** - profile_edit_page.dart
- Background: Changed from hardcoded white to Theme.of(context).colorScheme.surface
- User info: Fixed duplicate email display, now shows displayName (bold, fontSize 16) on top and email (fontSize 14) below
- Shadow: Updated to use Theme.of(context).colorScheme.shadow.withOpacity(0.1)
- ✅ **Fixed Signup Page Input Fields** - signup_page.dart
- Background: Changed to conditional based on brightness
- Light mode: Theme.of(context).colorScheme.surface
- Dark mode: Theme.of(context).colorScheme.surfaceContainerHighest
- Applied to name, email, and password fields (lines 259-265, 316-322, 386-392)
- ✅ **Fixed Dashboard Progress Container** - profile_section_widget.dart
- "Ótimo progresso!" container background changed to conditional
- Light mode: Theme.of(context).colorScheme.surface
- Dark mode: Theme.of(context).colorScheme.surfaceContainerHighest
- ✅ **Enhanced Authentication Navigation** - login_page.dart & signup_page.dart
- Removed AppBar from both pages
- Added PopScope with canPop: false and onPopInvokedWithResult to navigate to '/role-selection'
- Added custom positioned back button (top: 50, left: 16) with:
- Semi-transparent container (colorScheme.surface.withOpacity(0.8))
- Rounded corners (12px)
- Subtle shadow (colorScheme.shadow.withOpacity(0.1), blurRadius: 8)
- Positioned below notification bar to avoid overlap
- ✅ **Teacher Materials Upload Page** - Nova tela dedicada para professores enviarem materiais para a IA
- Ficheiro: `lib/features/materials/presentation/pages/teacher_materials_page.dart`
- **FASE 1**: Criar tela com AppBar "Materiais da Turma" e design consistente
- **FASE 2**: Ligar card "Upload Conteúdo" do dashboard a esta tela via `Navigator.push`
- **FASE 3**: Listar materiais do Firestore com `StreamBuilder` filtrado por `teacherId`
- Campos: `teacherId`, `fileName`, `fileUrl`, `type`, `createdAt`
- Ordenação: `createdAt` descendente
- Cards com ícone do tipo (PDF vermelho, Imagem azul) e data formatada
- **FASE 4**: FloatingActionButton com bottom sheet para adicionar ficheiros
- Opções: PDF (file_selector), Imagem da Galeria (image_picker), Foto da Câmara (image_picker)
- **FASE 5**: Upload para Firebase
- Firebase Storage: `materials/{teacherId}/{timestamp}_{filename}`
- Firestore document na coleção `materials`
- Snackbars de feedback (sucesso verde, erro vermelho)
- Loading indicator no FAB durante upload
- **Dependências adicionadas**: `file_selector: ^1.0.3` ao pubspec.yaml
- A lista atualiza automaticamente via StreamBuilder após upload
- ✅ **ETAPA 5: Student Classes List** - Students can now view their enrolled classes on the home page
- New `StudentClassesListWidget` component at `lib/features/dashboard/presentation/widgets/student_classes_list_widget.dart`
- Query: `.collection('enrollments').where('studentId', isEqualTo: currentUser.uid).orderBy('joinedAt', descending: true)`
- For each enrollment document, uses `FutureBuilder` to fetch the corresponding class from `classes` collection
- Layout identical to `TeacherClassesListWidget`:
- Horizontal `ListView.builder` with `scrollDirection: Axis.horizontal`
- 2-row grid layout: Column with cards at index * 2 and index * 2 + 1
- Card size: 200x150 pixels
- Card styling: White background, 16px border radius, subtle shadow
- Card content: Icon (school), class name (bold), class code (grey)
- Title: "As Minhas Turmas" with `textTheme.titleLarge` style
- Loading state: `CircularProgressIndicator` centered in card while loading class data
- Empty state: "Ainda não entraste em nenhuma turma."
- Widget inserted in `StudentDashboardPage` between `QuickAccessWidget` and `ProfileSectionWidget`
- **System is now bidirectional:**
- Professor creates classes → Students can join
- Professor sees list of students in each class (ETAPA 3)
- Students see list of classes they joined (ETAPA 5)
- Both use same visual patterns for consistency
- Testing: After joining a class (ETAPA 4), the class appears immediately in the student's home list
- ✅ **ETAPA 4: Join Class Feature** - Students can now join classes using class codes
- New `JoinClassPage` component at `lib/features/classes/presentation/pages/join_class_page.dart`
- Query: `.collection('classes').where('code', isEqualTo: enteredCode).limit(1)`
- Input: TextField with uppercase formatting, 6 character limit, centered text, letter spacing
- Validation flow:
1. Check if code is empty → show error "Insere o código da turma"
2. Query Firestore for class with matching code
3. If no class found → show error "Código de turma inválido"
4. Check if student already enrolled → show error "Já estás inscrito nesta turma"
5. Create enrollment document in `enrollments` collection
- Enrollment document structure:
```dart
{
'classId': classDoc.id,
'studentId': currentUser.uid,
'studentName': currentUser.displayName ?? email.split('@')[0] ?? 'Aluno',
'joinedAt': FieldValue.serverTimestamp(),
}
```
- Success feedback: Green SnackBar "Entraste na turma com sucesso!" (2 seconds)
- Error feedback: Red SnackBar with specific error message (3 seconds)
- Auto-navigates back to Student Dashboard after successful join
- Loading state: CircularProgressIndicator in button while processing
- Visual design: Teal AppBar (#82C9BD), centered group_add icon, clean white input card
- New "Entrar numa Turma" card added to `QuickAccessWidget` in Student Dashboard
- Card design: Horizontal layout with `Icons.group_add`, white background, rounded corners (16px)
- Testing in Firebase Console:
1. Go to Firestore Database → classes collection
2. Copy the `code` field from any class document
3. In app: Student Dashboard → "Entrar numa Turma"
4. Paste code and tap "Entrar na Turma"
5. Check enrollments collection for new document with correct data
- ✅ **ETAPA 3: Class Students View** - Teachers can now view enrolled students in each class
- New `ClassStudentsPage` component at `lib/features/classes/presentation/pages/class_students_page.dart`
- Query: `.collection('enrollments').where('classId', isEqualTo: classId).orderBy('joinedAt', descending: true)`
- StreamBuilder for real-time updates when students join
- ListTile design with student icon, name, and formatted join date
- Empty state: "Nenhum aluno entrou nesta turma ainda."
- Loading state with `CircularProgressIndicator`
- Error state with error icon and message
- Date formatting using `intl` package (Portuguese format: dd/MM/yyyy)
- Navigation via `GestureDetector` onTap in `TeacherClassesListWidget`
- MaterialPageRoute navigation passing `classId` and `className` as parameters
- AppBar with back button and two-line title (class name + subtitle)
- Consistent visual design: teal colors (#82C9BD), white cards, rounded corners (16px), subtle shadows
- ✅ **ETAPA 2: Classes List Display** - Teachers can now view their created classes
- New `TeacherClassesListWidget` component
- "As Minhas Turmas" section added to Teacher Dashboard
- Real-time Firestore stream with `StreamBuilder`
- Query: `.where('teacherId', isEqualTo: currentUser.uid).orderBy('createdAt', descending: true)`
- **CORREÇÃO**: O erro anterior foi tentar usar `GridView` horizontal para um layout que exige colunas fixas de 2 cards
- **SOLUÇÃO**: Usar `ListView.builder` com `scrollDirection: Axis.horizontal`
- Cada item do ListView é uma `Column` com 2 cards (índice * 2 e índice * 2 + 1)
- Cards mantêm exatamente o mesmo tamanho da lista vertical original
- Layout: Card 1, 3, 5... (top row) | Card 2, 4, 6... (bottom row)
- Scroll horizontal para visualizar todas as turmas
- Padding entre colunas: 12 pixels
- Altura do SizedBox: 280 pixels (suficiente para 2 cards + spacing)
- Empty state: "Ainda não criaste nenhuma turma."
- Loading state with `CircularProgressIndicator`
- Cards styled with white background, rounded corners, and subtle shadow
- ✅ **Fixed Pixel Overflow Issues** - Teacher Dashboard cards
- Replaced fixed `height: 150` with `BoxConstraints(minHeight: 135, maxHeight: 160)`
- Fixed overflow in "Criar Turma" card
- Fixed overflow in "Upload Conteúdo" card
- Cards now adapt better to different screen sizes
- ✅ **Unified Quick Action Cards Text Style**
- "Upload Conteúdo" and "Criar Quiz" cards now have same text alignment as "Criar Turma"
- All cards use `Column` with `crossAxisAlignment: CrossAxisAlignment.start` for text
- Subtitle text now supports 2 lines with `maxLines: 2` and proper line height (1.2)
- Consistent fontSize (16 for title, 12 for subtitle) across all cards
- "Criar Quiz" subtitle updated to "Avaliações interativas" for better description
- ✅ **ETAPA 1: Class Creation Feature** - Teacher can now create classes
- Added "Criar Turma" button in Teacher Dashboard
- Dialog for entering class name
- Auto-generates 6-character random code (A-Z, 0-9)
- Saves to Firestore `classes` collection with name, teacherId, code, createdAt
- Success/error feedback via SnackBar
- ✅ Fixed dashboard overflow issue in QuickAccessWidget
- ✅ Implemented responsive layout with IntrinsicHeight and Flexible
- ✅ Replaced fixed heights with constraints (minHeight: 135, maxHeight: 160)
- ✅ Fixed login page animations
- ✅ Added dynamic background effects
- ✅ Updated language policy
- ✅ Improved text visibility
- ✅ Created progress documentation
### **Last Week:**
- ✅ Implemented role selection page
- ✅ Added Portuguese localization
- ✅ Fixed navigation flow
- ✅ Improved splash screen
- ✅ Setup internationalization
---
## 🎯 NEXT PRIORITIES
### **Immediate (This Week):**
1. **Update signup page** with Portuguese and improved design
2. **Implement Firebase authentication** for real login
3. **Add role-based routing** after login
4. ~~**Create basic dashboard** placeholder~~ ✅ **Student & Teacher dashboards implemented**
### **Short Term (Next 2 Weeks):**
1. **Complete authentication system**
2. **Build student dashboard**
3. **Implement basic quiz system**
4. **Add analytics tracking**
### **Medium Term (Next Month):**
1. **Integrate AI tutor**
2. **Build teacher dashboard**
3. **Implement RAG engine**
4. **Add comprehensive testing**
---
## 📱 DEVICE COMPATIBILITY
### **Tested Devices:**
- ✅ **Samsung S928B (Android 16)** - Primary testing device
- ⏳ **iOS Devices** - Pending testing
- ⏳ **Other Android** - Pending testing
### **Performance:**
- **Startup Time:** ~3 seconds
- **Navigation Speed:** Fast
- **Animation Performance:** Smooth (60fps)
- **Memory Usage:** ~150MB
---
## 🎉 ACHIEVEMENTS
### **Milestones Reached:**
- ✅ **Project Kickoff** - Complete
- ✅ **UI/UX Foundation** - Complete
- ✅ **Internationalization** - Complete
- ✅ **Device Deployment** - Complete
- ✅ **User Testing Ready** - Complete
### **Technical Achievements:**
- ✅ Successfully deployed to Samsung device
- ✅ Implemented complex animations
- ✅ Created scalable architecture
- ✅ Established development workflow
- ✅ Set up quality standards
---
## 📞 TEAM STATUS
### **Current Team:**
- **Developer:** Active
- **Testing:** In Progress
- **Documentation:** Up to Date
- **Quality Assurance:** Active
---
**📊 Last Updated: 2026-05-23 17:11**
**🔄 Auto-Update: Enabled**
**📈 Progress Tracking: Real-time**
---
*This document is automatically updated as development progresses. Check back regularly for the latest status.*
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