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2022-02-18 b62ffe3c3a19aa7f2232c72d5fd81e893841c421

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using System;
using System.Threading.Tasks;
using Furion;
using Furion.DataValidation;
using Furion.DependencyInjection;
using Furion.UnifyResult;
using Furion.UnifyResult.Internal;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.Filters;
 
namespace ZTICInterface.Core;
 
 
 
/// <summary>
/// RESTful 风格返回值
/// </summary>
[SuppressSniffer, UnifyModel(typeof(RESTfulResult<>))]
public class RESTfulResultProvider : IUnifyResultProvider
{
    /// <summary>
    /// 异常返回值
    /// </summary>
    /// <param name="context"></param>
    /// <param name="metadata"></param>
    /// <returns></returns>
    public IActionResult OnException(ExceptionContext context, ExceptionMetadata metadata)
    {
        var msg = metadata.Errors.ToString();
        if (metadata.StatusCode == 500)
            msg = "系统有点小问题";
        return new JsonResult(RESTfulResult(metadata.StatusCode == 400 ? 200 : metadata.StatusCode, msg: msg,
            errors: metadata.Errors));
    }
 
    /// <summary>
    /// 成功返回值
    /// </summary>
    /// <param name="context"></param>
    /// <param name="data"></param>
    /// <returns></returns>
    public IActionResult OnSucceeded(ActionExecutedContext context, object data)
    {
        return new JsonResult(RESTfulResult(StatusCodes.Status200OK, true, data));
    }
 
    /// <summary>
    /// 验证失败返回值
    /// </summary>
    /// <param name="context"></param>
    /// <param name="metadata"></param>
    /// <returns></returns>
    public IActionResult OnValidateFailed(ActionExecutingContext context, ValidationMetadata metadata)
    {
        return new JsonResult(RESTfulResult(StatusCodes.Status400BadRequest, errors: metadata.ValidationResult));
    }
 
    /// <summary>
    /// 特定状态码返回值
    /// </summary>
    /// <param name="context"></param>
    /// <param name="statusCode"></param>
    /// <param name="unifyResultSettings"></param>
    /// <returns></returns>
    public async Task OnResponseStatusCodes(HttpContext context, int statusCode,
        UnifyResultSettingsOptions unifyResultSettings)
    {
        // 设置响应状态码
        UnifyContext.SetResponseStatusCodes(context, statusCode, unifyResultSettings);
 
        switch (statusCode)
        {
            // 处理 401 状态码
            case StatusCodes.Status401Unauthorized:
                await context.Response.WriteAsJsonAsync(RESTfulResult(statusCode, errors: "401 Unauthorized")
                    , App.GetOptions<JsonOptions>()?.JsonSerializerOptions);
                break;
            // 处理 403 状态码
            case StatusCodes.Status403Forbidden:
                await context.Response.WriteAsJsonAsync(RESTfulResult(statusCode, errors: "403 Forbidden")
                    , App.GetOptions<JsonOptions>()?.JsonSerializerOptions);
                break;
            default: break;
        }
    }
 
    /// <summary>
    /// 返回 RESTful 风格结果集
    /// </summary>
    /// <param name="statusCode"></param>
    /// <param name="succeeded"></param>
    /// <param name="msg"></param>
    /// <param name="data"></param>
    /// <param name="errors"></param>
    /// <returns></returns>
    private static RESTfulResult<object> RESTfulResult(int statusCode, bool succeeded = default, object data = default,
        string msg = default, object errors = default)
    {
        return new RESTfulResult<object>
        {
            StatusCode = statusCode,
            Succeeded = succeeded,
            Data = data,
            Errors = errors,
            Extras = msg,
            Timestamp = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds()
        };
    }
}