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using System;
namespace Apewer.Web
{
/// <summary>WebAPI 控制器基类。</summary>
/// <remarks>控制器具有 Independent 特性时,不匹配 Function,且忽略 Initializer 返回值。</remarks>
public abstract class ApiController
{
internal Func<ApiController, bool> _func = null;
internal Action<ApiController> _action = null;
internal Action<ApiController> _default = null;
internal ApiOptions _options = null;
/// <summary>获取 API 请求模型。</summary>
public ApiRequest Request { get; internal set; }
/// <summary>获取 API 响应模型。</summary>
public ApiResponse Response { get; internal set; }
/// <summary>创建控制器实例。可通过初始化程序返回布尔值,以执行 Function 解析。</summary>
/// <param name="initializer">初始化程序。当返回 False 时等同于声明 Independent,将不再匹配 Function 和 Default。</param>
/// <param name="default">在匹配 Function 且失败后执行的方法。</param>
/// <remarks>执行顺序:构造函数 -> Initializer -> Function -> Default -> Dispose</remarks>
public ApiController(Func<ApiController, bool> initializer = null, Action<ApiController> @default = null)
{
_func = initializer;
_default = @default;
}
/// <summary>创建控制器实例。可通过初始化程序返回布尔值,以执行 Function 解析。</summary>
/// <param name="initializer">初始化程序。</param>
/// <param name="default">在匹配 Function 且失败后执行的方法。</param>
/// <remarks>执行顺序:构造函数 -> Initializer -> Function -> Default -> Dispose</remarks>
public ApiController(Action<ApiController> initializer, Action<ApiController> @default = null)
{
_func = (c) =>
{
initializer?.Invoke(this);
return true;
};
_default = @default;
}
}
/// <summary>WebAPI 控制器基类。</summary>
/// <remarks>控制器具有 Independent 特性时,不匹配 Function,且忽略 Initializer 返回值。</remarks>
public abstract class ApiController<T> : ApiController where T : ApiController
{
static Func<ApiController, bool> ToBaseFunc(Func<T, bool> current)
{
if (current == null) return null;
return new Func<ApiController, bool>(c => current.Invoke((T)c));
}
static Action<ApiController> ToBaseAction(Action<T> current)
{
if (current == null) return null;
return new Action<ApiController>(c => current.Invoke((T)c));
}
/// <summary>创建控制器实例。可通过初始化程序返回布尔值,以执行 Function 解析。</summary>
/// <param name="initializer">初始化程序。当返回 False 时等同于声明 Independent,将不再匹配 Function 和 Default。</param>
/// <param name="default">在匹配 Function 且失败后执行的方法。</param>
/// <remarks>执行顺序:构造函数 -> Initializer -> Function -> Default -> Dispose</remarks>
public ApiController(Func<T, bool> initializer = null, Action<T> @default = null) : base(ToBaseFunc(initializer), ToBaseAction(@default)) { }
/// <summary>创建控制器实例。可通过初始化程序返回布尔值,以执行 Function 解析。</summary>
/// <param name="initializer">初始化程序。</param>
/// <param name="default">在匹配 Function 且失败后执行的方法。</param>
/// <remarks>执行顺序:构造函数 -> Initializer -> Function -> Default -> Dispose</remarks>
public ApiController(Action<T> initializer, Action<T> @default = null) : base(ToBaseAction(initializer), ToBaseAction(@default)) { }
}
}