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1.6 KiB

paths
paths
**/*.cs
**/*.csx

C# パターン

このファイルは common/patterns.md を C# 固有のコンテンツで拡張します。

API レスポンスパターン

public sealed record ApiResponse<T>(
    bool Success,
    T? Data = default,
    string? Error = null,
    object? Meta = null);

リポジトリパターン

public interface IRepository<T>
{
    Task<IReadOnlyList<T>> FindAllAsync(CancellationToken cancellationToken);
    Task<T?> FindByIdAsync(Guid id, CancellationToken cancellationToken);
    Task<T> CreateAsync(T entity, CancellationToken cancellationToken);
    Task<T> UpdateAsync(T entity, CancellationToken cancellationToken);
    Task DeleteAsync(Guid id, CancellationToken cancellationToken);
}

オプションパターン

コードベース全体で生の文字列を読み取る代わりに、設定に強く型付けされたオプションを使用する。

public sealed class PaymentsOptions
{
    public const string SectionName = "Payments";
    public required string BaseUrl { get; init; }
    public required string ApiKeySecretName { get; init; }
}

依存性注入

  • サービス境界でインターフェースに依存する
  • コンストラクタを集中させる。サービスに依存関係が多すぎる場合は責任を分割する
  • ライフタイムを意図的に登録する: ステートレス/共有サービスにはシングルトン、リクエストデータにはスコープ、軽量な純粋ワーカーにはトランジエント