组织 webapi 控制器的最佳方法是什么？

Question

我有一些课程，例如Customer、Book、Movie、Game。 我为每个实体创建了 4 个控制器来执行 CRUD 并为每个实体指定逻辑。 现在的问题是我想检索customerId 的游戏列表 我应该将方法操作放在CustomerController 还是GamesController 中？ 路线会是这样"/api/customers/123/games" 书籍，电影也是如此。所以每个控制器 Book、Game、Movie 中的 3 个方法或 Customer 控制器中的 3 个方法 那么管理此问题的最佳方法是什么？

谢谢

Answer 1

要理解的是，web api 很大程度上是基于 REST 的。并且 rest 是基于资源的，所以如果你返回资源 Games，那么你的 GamesController 应该处理它。简单

让您的客户控制器返回游戏会很有趣。 默认情况下，您的 Games 控制器将具有以下内容：

[HttpGet]
[Route("api/games/{customerId}"]
public List<Games> Get(int customerId)
{
    // get games from repository
    return games;
}

举个例子：

[RoutePrefix("api")]
public class TripsController: ApiController
{
    #region Fields

    private readonly IQueryDispatcher _queryDispatcher;

    #endregion

    #region Constructors

    /// <summary>
    /// Initializes a new instance of the <see cref="TripsController"/> class
    /// </summary>
    /// <param name="queryDispatcher">Query Dispatcher</param>
    public TripsController(IQueryDispatcher queryDispatcher)
    {
        if (queryDispatcher == null)
            throw new ArgumentNullException(nameof(queryDispatcher));
        _queryDispatcher = queryDispatcher;
    }

    #endregion

    #region Actions

    [HttpGet]
    [Route("trips", Name = "TripList")]
    public IHttpActionResult Get([FromUri]TripsQuery query)
    {
        try
        {
            if (query == null)
                return BadRequest();
            var result = _queryDispatcher.Dispatch<TripsQuery, TripsQueryResult>(query);
            HttpContext.Current.Response.Headers.AddPaginationHeader(query, result, new UrlHelper(Request), "TripList");

            return Ok(result);
        }
        catch (Exception)
        {
            return InternalServerError();
        }
    }

    [HttpGet]
    [Route("trips/{tripId}")]
    public IHttpActionResult Get([FromUri]TripDetailsQuery query)
    {
        try
        {
            var result = _queryDispatcher.Dispatch<TripDetailsQuery, TripDetailsQueryResult>(query);
            return Ok(result);
        }
        catch (Exception)
        {
            return InternalServerError();
        }
    }

    #endregion
}

[RoutePrefix("api")]
public class StopsController: ApiController
{
    #region Fields

    private readonly IQueryDispatcher _queryDispatcher;

    #endregion

    #region Constructors

    /// <summary>
    /// Initializes a new instance of the <see cref="StopsController"/> class
    /// </summary>
    /// <param name="queryDispatcher">Query Dispatcher</param>
    public StopsController(IQueryDispatcher queryDispatcher)
    {
        if (queryDispatcher == null)
            throw new ArgumentNullException(nameof(queryDispatcher));
        _queryDispatcher = queryDispatcher;
    }

    #endregion

    [Route("trips/{tripId}/stops", Name = "StopList")]
    [HttpGet]
    public IHttpActionResult Get([FromUri]StopsQuery query)
    {
        try
        {
            if (query == null)
                return BadRequest();
            var result = _queryDispatcher.Dispatch<StopsQuery, StopsQueryResult>(query);
            HttpContext.Current.Response.Headers.AddPaginationHeader(query, result, new UrlHelper(Request), "StopList");
            return Ok(result);
        }
        catch (Exception)
        {
            return InternalServerError();
        }
    }

    [Route("trips/{tripId}/stops/{stopId}")]
    [HttpGet]
    public IHttpActionResult Get([FromUri]StopDetailsQuery query)
    {
        try
        {
            if (query == null)
                return BadRequest();
            var result = _queryDispatcher.Dispatch<StopDetailsQuery, StopDetailsQueryResult>(query);
            return Ok(result);
        }
        catch (Exception)
        {
            return InternalServerError();
        }
    }
}

所以你看，一次旅行可以有多个停靠点，但你检索停靠点的方式仍然在停靠点控制器中，但只是正确映射了路线