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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%)

  • Flutter project structure setup

  • Core theme and color system

  • Navigation system (GoRouter)

  • Asset management

  • Development environment configuration

🎨 UI/UX Components (95%)

  • Splash screen with animations

  • Login page with improved design and navigation

  • Role selection page (student/teacher)

  • Dynamic background effects

  • Responsive animations

  • Dark/light theme support

  • Signup page (updated with theme fixes)

  • Dashboard pages (fixed overflow issue)

🌍 Internationalization (100%)

  • Portuguese (Portugal) as primary language

  • English fallback support

  • Localization system setup

  • All UI text localized

  • Language policy documentation

🔐 Authentication System (100%)

  • Login UI implementation

  • Form validation

  • Navigation flow

  • Firebase integration

  • Real authentication logic

  • Token management

  • Session persistence

  • Signup page with Portuguese localization

  • Role-based routing

  • Profile editing

📚 Content Management System (75%)

  • 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

<EFBFBD>🔧 Development Setup (100%)

  • Flutter SDK configuration

  • Device deployment (Samsung S928B)

  • Hot reload functionality

  • Debug tools setup

  • Code structure standards

⏳ PENDING FEATURES

🤖 AI Tutor System (98%)

  • Chat interface design
  • Message handling with source citations
  • Response formatting with confidence scores
  • AI integration setup (Ollama API)
  • RAG pipeline implementation
  • Vector embeddings and similarity search
  • Content management system
  • Conversation history
  • Smart back navigation (chat vs intro)
  • Material names display in history
  • Filter conversations with user messages only
  • Voice input support
  • Multi-language support
  • Advanced analytics

📝 Quiz System (90%)

  • Quiz creation interface
  • Question types implementation (multiple choice)
  • Scoring system
  • Progress tracking
  • Results display
  • Quiz categories
  • AI-powered quiz generation from materials
  • Teacher quiz management
  • Student quiz taking interface
  • Quiz history and retry
  • Advanced question types (fill in blank, true/false)
  • Quiz sharing between classes

📊 Dashboard System (95%)

  • Student dashboard
  • Teacher dashboard
  • Analytics display
  • Progress charts
  • Performance metrics
  • Quick actions
  • Class management
  • Student enrollment
  • Advanced data visualization

🔍 RAG Engine (85%)

  • Vector database setup (FAISS)
  • Document processing
  • Search implementation
  • Context retrieval
  • Answer generation
  • MaterialsRAGService implementation
  • RAG AI service integration
  • Performance optimization
  • Advanced reranking

📈 Analytics System (90%)

  • Learning progress tracking
  • Usage statistics
  • Performance metrics
  • Gamification service
  • Achievement system
  • Class analytics
  • Student rankings
  • 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:

  • Fix dashboard progress data flickering
  • Cache user name and stats
  • Smart back navigation in chat history
  • Material names display in history
  • Filter conversations with user messages
  • Remove new chat button from intro screen
  • 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: 
      {
  '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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