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DWD API Design Documentation

Architecture Overview

The DWD API is designed as a RESTful ASP.NET Core Web API that serves as a backend/middleware orchestrator for the HydroTrek DWD Suite. It provides a secure, scalable interface for managing water distribution network simulations and data.

System Architecture

Component Interaction

Technical Specifications

  • Target Framework: .NET 8.0
  • Platform: Cross-platform (Windows/Linux)
  • Architecture: Web API
  • Hosting Model: InProcess
  • Version: 1.0.0-alpha.0

Component Architecture

Core Components

  1. Data Management

    • Entity Framework Core integration
    • PostgreSQL database connectivity
    • Data persistence
    • Query optimization
  2. API Management

    • RESTful endpoints
    • Swagger/OpenAPI documentation
    • Request/Response handling
    • Error management

Dependencies

NuGet Packages

  • Microsoft.EntityFrameworkCore.Relational (v8.0.8)
  • Swashbuckle.AspNetCore (v6.8.0)

Internal Project References

  • EN2PostgresContext
  • HTModels
  • SDPostgresContext
  • HTLogger

API Architecture

Data Flow

Security Architecture

  • CORS policy configuration
  • HTTPS redirection
  • Secure headers
  • Input validation

Database Architecture

  • PostgreSQL database
  • Entity Framework Core
  • Repository pattern
  • Query optimization

Deployment Architecture

  • IIS InProcess hosting
  • Nginx reverse proxy
  • Docker containerization
  • CI/CD pipeline

Performance Considerations

  • Connection pooling
  • Query optimization
  • Response caching
  • Resource management

Error Handling

  • Global exception handling
  • Client feedback
  • Logging
  • Recovery procedures

Integration Architecture

  • Clean interface design
  • Data transformation
  • Error propagation
  • Response formatting

Future Architecture Considerations

  • Authentication implementation
  • Additional security features
  • Performance optimizations
  • Extended API capabilities