04. Django Advance - Django Nâng Cao

Mục Tiêu Module

Nắm vững các kỹ thuật Django nâng cao để xây dựng production-ready applications.

Danh Sách Bài Học

1. Advanced Models

Model inheritance (Abstract, Multi-table, Proxy)
Model Managers
Custom QuerySets
Model methods và properties
Signals (pre_save, post_save, etc.)
Model validation

2. Advanced QuerySets

select_related() và prefetch_related()
annotate() và aggregate()
F() và Q() objects
Subqueries
Raw SQL queries
Query optimization

3. Class-Based Views Deep Dive

CBV structure
Mixins
Method overriding
Context data
Form handling trong CBVs
Custom CBVs

4. Django REST Framework - Introduction

DRF installation và setup
Serializers
APIView và ViewSets
Routers
Request và Response objects

5. DRF Serializers

Serializer fields
ModelSerializer
Nested serializers
SerializerMethodField
Validation
Custom serializers

6. DRF Views và ViewSets

APIView
GenericAPIView
Mixins
ViewSets
ModelViewSet
ReadOnlyModelViewSet

7. DRF Authentication

TokenAuthentication
SessionAuthentication
JWT authentication (simplejwt)
Custom authentication
Permissions
IsAuthenticated, IsAdminUser, etc.

8. DRF Permissions

Permission classes
Custom permissions
Object-level permissions
DjangoModelPermissions
Permission combinations

9. DRF Pagination

PageNumberPagination
LimitOffsetPagination
CursorPagination
Custom pagination

10. DRF Filtering và Search

DjangoFilterBackend
SearchFilter
OrderingFilter
django-filter integration
Custom filters

11. File Uploads

FileField và ImageField
Handling uploads
Media files configuration
Pillow library
File validation
Cloud storage (S3)

12. Email Sending

SMTP configuration
send_mail() function
EmailMessage class
HTML emails
Email templates
Attachments
Email backends

13. Caching

Cache framework
Cache backends (Redis, Memcached)
Per-view caching
Template fragment caching
Low-level cache API
Cache strategies

14. Celery Integration

Celery installation
Message brokers (Redis, RabbitMQ)
Defining tasks
Calling tasks (delay, apply_async)
Periodic tasks (Celery Beat)
Task monitoring

15. Advanced Authentication

Custom User model
Extended User profile
Social authentication (OAuth)
Multi-factor authentication
JWT refresh tokens
Token blacklisting

16. Django Channels (WebSockets)

Real-time applications
ASGI vs WSGI
Channels installation
Consumers
Routing
Channel layers

17. Testing Advanced

Factory Boy
Faker
Test fixtures
Mocking
API testing
Coverage reports
CI/CD testing

18. Security

CSRF protection
XSS prevention
SQL injection prevention
Clickjacking protection
HTTPS và SSL
Security middleware
django-cors-headers

19. Performance Optimization

Database query optimization
Indexing
Connection pooling
Caching strategies
Lazy loading
Debug toolbar
Profiling

20. Logging và Monitoring

Django logging configuration
Log handlers
Log formatters
Error tracking (Sentry)
Application monitoring
Performance monitoring

21. Deployment Preparation

Environment variables
settings.py cho production
Static files (collectstatic, WhiteNoise)
Database optimization
Security checklist
ALLOWED_HOSTS

22. Docker Basics

Docker concepts
Dockerfile
Docker Compose
Container networking
Volumes
Multi-stage builds

23. Database Advanced

Database transactions
select_for_update()
Database routers
Multiple databases
Read replicas
Connection pooling

24. Custom Management Commands

Creating management commands
Command arguments
Options
Helper methods
Use cases

25. Django Third-Party Packages

django-extensions
django-debug-toolbar
django-crispy-forms
django-filter
django-storages
Evaluation criteria

Prerequisites

✅ Hoàn thành Module 03: Django Basic
✅ Hiểu về REST APIs
Kiến thức về Docker (cơ bản)
Kiến thức về PostgreSQL

Thời Gian Học

Ước tính: 4-5 tuần
Thời lượng mỗi bài: 90-120 phút
Thực hành: 3-4 giờ/ngày

Tài Nguyên Tham Khảo

Projects - Từ Tầm Trung Đến Lớn

Series này tập trung vào 10 dự án thực tế từ tầm trung đến lớn, đảm bảo học viên đạt trình độ Master Django.

Project 1: Multi-Vendor E-commerce Platform API (Tầm Trung) 🛍️

Mô tả: Xây dựng REST API cho marketplace nhiều nhà bán hàng như Shopee, Lazada.

Kiến thức nâng cao:

Multi-tenant architecture với vendor isolation
Complex product catalog (variants, attributes, inventory)
Advanced permission system (vendor, customer, admin roles)
Order workflow với state machine
Payment gateway integration (VNPay, Stripe)
Real-time notifications với Django Channels
Elasticsearch cho product search
Redis caching strategies
Celery tasks (order processing, email, inventory sync)
API versioning và documentation (drf-spectacular)

Scale: Medium-Large
Timeline: 3-4 tuần
Bài học: 26-30

Mô tả: Xây dựng backend cho mạng xã hội như Facebook, Instagram thu nhỏ.

Kiến thức nâng cao:

User relationships (friends, followers, blocking)
Newsfeed algorithm với ranking
Real-time chat và notifications (WebSocket)
Media upload với image processing (Celery)
Activity stream pattern
GraphQL API với Graphene-Django
Recommendation engine (ML integration)
Story/Status features với TTL
Privacy controls và content moderation
Horizontal scaling patterns

Scale: Large
Timeline: 4-5 tuần
Bài học: 31-36

Project 3: Video Streaming Platform (Lớn) 🎬

Mô tả: Xây dựng nền tảng video như YouTube, Netflix thu nhỏ.

Kiến thức nâng cao:

Video upload với chunked upload
Video transcoding với Celery (multiple resolutions)
HLS/DASH streaming
CDN integration
View count với Redis
Recommendation system
Comment system với nested replies
Subscription management
Watch history và resume playback
Analytics tracking

Scale: Large
Timeline: 4-5 tuần
Bài học: 37-42

Project 4: Healthcare Management System (Tầm Trung) 🏥

Mô tả: Hệ thống quản lý bệnh viện với appointment, EMR, và telemedicine.

Kiến thức nâng cao:

Complex scheduling system với conflict detection
Electronic Medical Records (EMR) với HIPAA compliance
Role-based access control (Doctor, Nurse, Admin, Patient)
Prescription management với drug interaction checks
Video consultation với WebRTC
Lab results integration
Appointment reminders (SMS, Email)
Insurance verification workflow
Medical billing system
Audit logging cho compliance

Scale: Medium-Large
Timeline: 4 tuần
Bài học: 43-47

Project 5: Financial Trading Platform API (Lớn) 💰

Mô tả: Platform giao dịch chứng khoán, crypto với real-time data.

Kiến thức nâng cao:

Real-time market data với WebSocket
Order matching engine
Portfolio management
Trading algorithms execution
Risk management system
Transaction atomicity với database locks
Historical data analysis
Chart data APIs
KYC verification workflow
Regulatory compliance (audit trails)

Scale: Large
Timeline: 5-6 tuần
Bài học: 48-54

Project 6: Multi-Language Learning Platform (Tầm Trung-Lớn) 🎓

Mô tả: Platform học ngôn ngữ như Duolingo với gamification.

Kiến thức nâng cao:

Adaptive learning algorithm
Spaced repetition system (SRS)
Progress tracking với complex analytics
Gamification (XP, levels, achievements, streaks)
Audio processing (speech recognition API integration)
Lesson generation system
Social learning (compete, collaborate)
AI-powered corrections
Certificate generation
Multi-tenant for organizations

Scale: Medium-Large
Timeline: 4-5 tuần
Bài học: 55-60

Project 7: IoT Device Management Platform (Lớn) 🌐

Mô tả: Platform quản lý thiết bị IoT với real-time monitoring.

Kiến thức nâng cao:

MQTT protocol integration
Time-series data storage (InfluxDB)
Real-time device monitoring dashboards
Device provisioning và authentication
Firmware update management
Alert system với complex rules
Data aggregation và analytics
Geolocation tracking
Device grouping và hierarchies
Edge computing coordination

Scale: Large
Timeline: 5 tuần
Bài học: 61-66

Project 8: Enterprise Resource Planning (ERP) System (Rất Lớn) 🏢

Mô tả: Hệ thống ERP tích hợp quản lý toàn bộ doanh nghiệp.

Kiến thức nâng cao:

Modular architecture (HR, Finance, Inventory, Sales, CRM)
Complex permission matrix
Workflow engine với approval chains
Document management system
Reporting engine với dynamic queries
Multi-company support
Multi-currency và tax calculations
Integration APIs (accounting software, banks)
Background job scheduling
Data import/export (Excel, CSV)

Scale: Very Large
Timeline: 6-8 tuần
Bài học: 67-76

Mô tả: Platform đặt xe như Grab, Uber với real-time tracking.

Kiến thức nâng cao:

Real-time GPS tracking với WebSocket
Geospatial queries (PostGIS)
Driver matching algorithm
Dynamic pricing (surge pricing)
Route optimization
Payment splitting
Rating system (dual: driver & rider)
Trip history và receipts
Driver earnings calculation
Safety features (SOS, trip sharing)

Scale: Large
Timeline: 5-6 tuần
Bài học: 77-83

Project 10: Microservices Architecture - Complete System (Rất Lớn) 🏗️

Mô tả: Xây dựng hệ thống microservices hoàn chỉnh cho enterprise.

Kiến thức nâng cao:

Service decomposition strategies
API Gateway pattern (Kong/Nginx)
Service mesh (Istio basics)
Event-driven architecture (RabbitMQ/Kafka)
Distributed transactions (Saga pattern)
Service discovery
Centralized logging (ELK stack)
Distributed tracing (Jaeger)
Circuit breaker pattern
Container orchestration (Kubernetes basics)

Services:

User Service (Authentication, Authorization)
Product Service (Catalog, Inventory)
Order Service (Order processing)
Payment Service (Payment gateway)
Notification Service (Email, SMS, Push)
Analytics Service (Data aggregation)

Scale: Very Large
Timeline: 8-10 tuần
Bài học: 84-100

Progression Path

┌─────────────────────────────────────────────────────────────┐│  Django Basic (Series 03) - 37 bài                         ││  ✓ CRUD Applications                                        ││  ✓ News/Blog, E-commerce                                    │└─────────────────────────────────────────────────────────────┘                           ↓┌─────────────────────────────────────────────────────────────┐│  Django Advanced (Series 04) - 100 bài                     ││                                                              ││  Lessons 1-25: Core Advanced Concepts                       ││  ├─ Advanced Models & QuerySets                             ││  ├─ DRF Complete (Serializers, Views, Auth, Permissions)    ││  ├─ Real-time (Channels, WebSocket)                         ││  ├─ Background Tasks (Celery)                               ││  ├─ Caching, Security, Performance                          ││  └─ Testing, Monitoring, Deployment                         ││                                                              ││  Projects 1-10: Real-World Applications                     ││  ├─ P1: Multi-Vendor E-commerce (26-30)                     ││  ├─ P2: Social Media Platform (31-36)                       ││  ├─ P3: Video Streaming (37-42)                             ││  ├─ P4: Healthcare System (43-47)                           ││  ├─ P5: Trading Platform (48-54)                            ││  ├─ P6: Learning Platform (55-60)                           ││  ├─ P7: IoT Platform (61-66)                                ││  ├─ P8: ERP System (67-76)                                  ││  ├─ P9: Ride-Sharing (77-83)                                ││  └─ P10: Microservices (84-100) [CAPSTONE]                  │└─────────────────────────────────────────────────────────────┘                           ↓┌─────────────────────────────────────────────────────────────┐│  Master Django Level Achieved! 🎓                           ││  Ready for: Enterprise, Startup CTO, Architect roles        │└─────────────────────────────────────────────────────────────┘

Mục Tiêu Đạt Được

Sau khi hoàn thành 10 projects:

Technical Skills

✅ Architecture: Thiết kế hệ thống phức tạp, microservices
✅ Scalability: Handle millions of requests
✅ Real-time: WebSocket, streaming, live updates
✅ Performance: Query optimization, caching, CDN
✅ Security: Authentication, authorization, compliance
✅ Integration: Third-party APIs, payment gateways
✅ DevOps: Docker, Kubernetes, CI/CD
✅ Monitoring: Logging, tracing, metrics
✅ Testing: Unit, integration, load testing

Domain Knowledge

✅ E-commerce, Marketplace
✅ Social Networks
✅ Media Streaming
✅ Healthcare Systems
✅ Financial Systems
✅ EdTech Platforms
✅ IoT Systems
✅ Enterprise Software
✅ Transportation/Logistics
✅ Distributed Systems

Soft Skills

✅ System design và architecture decisions
✅ Trade-off analysis
✅ Performance optimization strategies
✅ Security best practices
✅ Code review và team collaboration
✅ Technical documentation
✅ Project planning và estimation

Cấu Trúc Mỗi Project

Mỗi project sẽ có:

📋 Planning (20%)

Requirements analysis
System architecture design
Database schema design
API design
Technology stack selection

💻 Implementation (60%)

Core features development
API endpoints
Real-time features
Background tasks
Testing
Security hardening

🚀 Deployment (10%)

Docker setup
CI/CD pipeline
Monitoring và logging
Performance testing
Production deployment

📚 Documentation (10%)

API documentation
Architecture documentation
Deployment guide
User guide

Project Complexity Matrix

Project	Complexity	Real-time	Scalability	Integration	Timeline
P1: E-commerce	⭐⭐⭐⭐	Medium	High	High	3-4w
P2: Social Media	⭐⭐⭐⭐⭐	High	Very High	Medium	4-5w
P3: Video Streaming	⭐⭐⭐⭐⭐	High	Very High	Very High	4-5w
P4: Healthcare	⭐⭐⭐⭐	Medium	Medium	High	4w
P5: Trading	⭐⭐⭐⭐⭐	Very High	Very High	High	5-6w
P6: Learning	⭐⭐⭐⭐	Medium	High	Medium	4-5w
P7: IoT	⭐⭐⭐⭐⭐	Very High	Very High	Very High	5w
P8: ERP	⭐⭐⭐⭐⭐	Low	High	Very High	6-8w
P9: Ride-Sharing	⭐⭐⭐⭐⭐	Very High	Very High	High	5-6w
P10: Microservices	⭐⭐⭐⭐⭐⭐	High	Very High	Very High	8-10w

Total Timeline: 6-8 tháng (full-time) hoặc 12-15 tháng (part-time)

Bài Tập

Mỗi bài học sẽ có:

✍️ Advanced Exercises: 5-8 bài tập phức tạp
🏗️ Architecture Tasks: Thiết kế hệ thống
🧪 Testing Tasks: Viết tests
📝 Quiz: Kiểm tra nâng cao
🚀 Performance Tasks: Optimization

Module Tiếp Theo

05-django-project - Áp dụng kiến thức để xây dựng dự án microservices thực tế.

#scalability

Django Advanced - Master Level