更新Linux截图

HttpClient 统一到 HttpClientFactory

System.Common.CoreLib/Net/Http/HttpPlatformHelper.cs

@@ -0,0 +1,14 @@
+using System.IO;
+
+namespace System.Net.Http
+{
+    /// <inheritdoc cref="IHttpPlatformHelper"/>
+    public class HttpPlatformHelper : IHttpPlatformHelper
+    {
+        const string DefaultUserAgent = "Mozilla/5.0 (Windows Phone 10.0; Android 4.2.1; Microsoft; Lumia 950) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2486.0 Mobile Safari/537.36 Edge/14.14263";
+
+        public virtual string UserAgent => DefaultUserAgent;
+
+        public (string filePath, string mime)? TryHandleUploadFile(Stream fileStream) => null;
+    }
+}

System.Common.CoreLib/Net/Http/HttpService.cs

@@ -0,0 +1,40 @@
+using Microsoft.Extensions.Logging;
+
+namespace System.Net.Http
+{
+    public abstract class HttpService
+    {
+        protected readonly ILogger logger;
+        readonly IHttpClientFactory _clientFactory;
+
+        public HttpService(
+            ILogger logger,
+            IHttpClientFactory clientFactory)
+        {
+            this.logger = logger;
+            _clientFactory = clientFactory;
+        }
+
+        /// <summary>
+        /// 用于 <see cref="IHttpClientFactory.CreateClient(string)"/> 中传递的 name
+        /// <para>如果为 <see langword="null"/> 则调用 <see cref="HttpClientFactoryExtensions.CreateClient(IHttpClientFactory)"/></para>
+        /// <para>默认值为 <see langword="null"/></para>
+        /// </summary>
+        protected virtual string? ClientName { get; }
+
+        protected virtual HttpClient CreateClient()
+        {
+#if DEBUG
+            logger.LogDebug("CreateClient, name: {0}", ClientName);
+#endif
+            if (ClientName == null)
+            {
+                return _clientFactory.CreateClient();
+            }
+            else
+            {
+                return _clientFactory.CreateClient(ClientName);
+            }
+        }
+    }
+}

System.Common.CoreLib/Net/Http/IHttpPlatformHelper.cs

@@ -0,0 +1,26 @@
+using System.IO;
+
+namespace System.Net.Http
+{
+    /// <summary>
+    /// 由平台实现的HTTP工具助手
+    /// </summary>
+    public interface IHttpPlatformHelper
+    {
+        /// <summary>
+        /// 用户代理
+        /// <para>https://developer.mozilla.org/zh-CN/docs/Web/HTTP/Headers/User-Agent</para>
+        /// <para>通常可以从平台的WebView控件中调用js获取</para>
+        /// </summary>
+        string UserAgent { get; }
+
+        /// <summary>
+        /// 尝试将需要上传的文件流[处理]后保存到临时路径中并返回信息
+        /// <para>[处理]由客户端平台原生实现</para>
+        /// <para>例如：文件压缩、格式转换(heic)</para>
+        /// </summary>
+        /// <param name="fileStream"></param>
+        /// <returns></returns>
+        (string filePath, string mime)? TryHandleUploadFile(Stream fileStream);
+    }
+}