dotnet-design-pattern-review

作成者： github

包括GoFおよびSOLID原則に基づき、Command、Factory、Dependency Injection、Repository、Provider、Resourceの6つの主要パターンを評価します。名前空間規則、プロジェクト分割、async/awaitパターン、構造化ログ実装を含むアーキテクチャ準拠を分析します。セキュリティ、テスト容易性、保守性、パフォーマンスの各次元にわたるコード品質を具体的な改善推奨事項とともにレビューします。

npx skills add https://github.com/github/awesome-copilot --skill dotnet-design-pattern-review

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.NET/C# Design Pattern Review

Review the C#/.NET code in ${selection} for design pattern implementation and suggest improvements for the solution/project. Do not make any changes to the code, just provide a review.

Required Design Patterns

Command Pattern: Generic base classes (CommandHandler<TOptions>), ICommandHandler<TOptions> interface, CommandHandlerOptions inheritance, static SetupCommand(IHost host) methods
Factory Pattern: Complex object creation service provider integration
Dependency Injection: Primary constructor syntax, ArgumentNullException null checks, interface abstractions, proper service lifetimes
Repository Pattern: Async data access interfaces provider abstractions for connections
Provider Pattern: External service abstractions (database, AI), clear contracts, configuration handling
Resource Pattern: ResourceManager for localized messages, separate .resx files (LogMessages, ErrorMessages)

Review Checklist

Design Patterns: Identify patterns used. Are Command Handler, Factory, Provider, and Repository patterns correctly implemented? Missing beneficial patterns?
Architecture: Follow namespace conventions ({Core|Console|App|Service}.{Feature})? Proper separation between Core/Console projects? Modular and readable?
.NET Best Practices: Primary constructors, async/await with Task returns, ResourceManager usage, structured logging, strongly-typed configuration?
GoF Patterns: Command, Factory, Template Method, Strategy patterns correctly implemented?
SOLID Principles: Single Responsibility, Open/Closed, Liskov Substitution, Interface Segregation, Dependency Inversion violations?
Performance: Proper async/await, resource disposal, ConfigureAwait(false), parallel processing opportunities?
Maintainability: Clear separation of concerns, consistent error handling, proper configuration usage?
Testability: Dependencies abstracted via interfaces, mockable components, async testability, AAA pattern compatibility?
Security: Input validation, secure credential handling, parameterized queries, safe exception handling?
Documentation: XML docs for public APIs, parameter/return descriptions, resource file organization?
Code Clarity: Meaningful names reflecting domain concepts, clear intent through patterns, self-explanatory structure?
Clean Code: Consistent style, appropriate method/class size, minimal complexity, eliminated duplication?

Improvement Focus Areas

Command Handlers: Validation in base class, consistent error handling, proper resource management
Factories: Dependency configuration, service provider integration, disposal patterns
Providers: Connection management, async patterns, exception handling and logging
Configuration: Data annotations, validation attributes, secure sensitive value handling
AI/ML Integration: Semantic Kernel patterns, structured output handling, model configuration

Provide specific, actionable recommendations for improvements aligned with the project's architecture and .NET best practices.