KJD/Store.Framework/HttpExtension/AppApiRequestBase.cs

using MAX.Core.Autofac;
using MAX.Core.DependencyInjection;
using MAX.Core.Helpers;
using MAX.Core.Logger;
using Store.Client.Extensions;
using System;
using System.Net;
using System.Text;

namespace Store.Client.HttpExtension
{
	/// <summary>
	/// Store 基础 API 请求基类。
	/// 项目 API 可以继承该基类并重写 ServiceConfigKey，使用项目自己的服务配置。
	/// </summary>
	public class AppApiRequestBase
	{
		/// <summary>
		/// 日志。
		/// </summary>
		[Autowired]
		protected ILoggerFacade _logger => LazyServiceProvider.Instance.LazyGetService<ILoggerFacade>();
		protected IApiServerConfig _config => LazyServiceProvider.Instance.LazyGetService<IApiServerConfig>();

		/// <summary>
		/// 默认服务请求。
		/// </summary>
		protected HttpResult Post(string urlpath, string postdata = "")
		{
			return Request(BuildServiceUrl(urlpath), postdata);
		}

		/// <summary>
		/// 公共签名服务请求。
		/// </summary>
		protected HttpResult PostPublic(string urlpath, string postdata = "")
		{
			return Request(BuildServiceUrl(urlpath), postdata, isUserSign: false);
		}

		/// <summary>
		/// 拼多多服务请求。
		/// </summary>
		protected HttpResult PostPdd(string urlpath, string postdata = "")
		{
			return Request(BuildServiceUrl("bxx_" + urlpath), postdata);
		}

		/// <summary>
		/// 微信服务请求。
		/// </summary>
		protected HttpResult PostWx(string urlpath, string postdata = "")
		{
			return Request(BuildServiceUrl("wxxd_" + urlpath), postdata);
		}

		/// <summary>
		/// 微信图片服务请求。
		/// </summary>
		protected HttpResult PostWxImg(string urlpath, string postdata = "")
		{
			return Request(BuildServiceUrl("wxxd_" + urlpath), postdata);
		}

		/// <summary>
		/// 默认兼容服务请求。
		/// </summary>
		protected HttpResult PostDefault(string urlpath, string postdata = "")
		{
			return Request(BuildServiceUrl(urlpath), postdata);
		}
		/// <summary>
		/// 使用当前 Key 构建服务请求地址。
		/// </summary>
		protected string BuildServiceUrl(string urlPath)
		{
			return $"{_config.Host}/wxxd_{urlPath}?obj=29wx/wxxd_{urlPath}";
		}


		/// <summary>
		/// 创建并执行服务端请求，默认使用当前用户签名。
		/// </summary>
		protected HttpResult Request(string url, string postdata = "", MethodType method = MethodType.Post, bool isUserSign = true)
		{
			ServerHttpItem item = new ServerHttpItem
			{
				URL = url,
				Method = method,
				Postdata = postdata ?? string.Empty
			};

			if (isUserSign)
			{
				item.SignUser();
			}

			return ServerRequest(item);
		}

		/// <summary>
		/// 服务器请求。
		/// </summary>
		public HttpResult ServerRequest(ServerHttpItem item)
		{
			if (item == null)
			{
				throw new ArgumentNullException(nameof(item));
			}

#if RELEASE
            item.WebProxy = null;
#endif
			if (!item.IsSign)
			{
				if (item.Shop != null)
				{
					item.SignUser(item.Shop.Id, item.Shop.Name);
				}
				else
				{
					item.Sign();
				}
			}

			return Send(item);
		}


		/// <summary>
		/// 执行底层 HTTP 请求。
		/// </summary>
		protected HttpResult Send(ServerHttpItem item)
		{
			if (item == null)
			{
				throw new ArgumentNullException(nameof(item));
			}
			if (string.IsNullOrWhiteSpace(item.URL))
			{
				throw new ArgumentException("请求地址不能为空。", nameof(item));
			}

			if (!item.URL.StartsWith("http", StringComparison.OrdinalIgnoreCase))
			{
				item.URL = _config.Host + "/" + item.URL.TrimStart('/');
			}

			item.Encoding = Encoding.UTF8;
			HttpResult result = HttpHelper.Request(item);
			if (result.StatusCode == HttpStatusCode.OK && !string.IsNullOrEmpty(result.Html) && result.Html[0] == 65279)
			{
				result.Html = result.Html.Remove(0, 1);
			}

			return result;
		}
	}
}