feat(tenpayv2): 构造器模式

src/SKIT.FlurlHttpClient.Wechat.TenpayV2/WechatTenpayClientBuilder.cs

@@ -0,0 +1,94 @@
+using System;
+using System.Collections.Generic;
+using System.Net.Http;
+
+namespace SKIT.FlurlHttpClient.Wechat.TenpayV2
+{
+    /// <summary>
+    /// 用于构造 <see cref="WechatTenpayClient"/> 实例的构造器。
+    /// </summary>
+    public partial class WechatTenpayClientBuilder : ICommonClientBuilder<WechatTenpayClient>
+    {
+        private readonly WechatTenpayClientOptions _options;
+        private readonly IList<Action<CommonClientSettings>> _configures;
+        private readonly IList<HttpInterceptor> _interceptors;
+        private HttpClient? _httpClient;
+        private bool? _disposeClient;
+
+        private WechatTenpayClientBuilder(WechatTenpayClientOptions options)
+        {
+            _options = options;
+            _configures = new List<Action<CommonClientSettings>>();
+            _interceptors = new List<HttpInterceptor>();
+        }
+
+        ICommonClientBuilder<WechatTenpayClient> ICommonClientBuilder<WechatTenpayClient>.ConfigureSettings(Action<CommonClientSettings> configure)
+        {
+            return ConfigureSettings(configure);
+        }
+
+        ICommonClientBuilder<WechatTenpayClient> ICommonClientBuilder<WechatTenpayClient>.UseInterceptor(HttpInterceptor interceptor)
+        {
+            return UseInterceptor(interceptor);
+        }
+
+        ICommonClientBuilder<WechatTenpayClient> ICommonClientBuilder<WechatTenpayClient>.UseHttpClient(HttpClient httpClient, bool disposeClient)
+        {
+            return UseHttpClient(httpClient, disposeClient);
+        }
+
+        public WechatTenpayClientBuilder ConfigureSettings(Action<CommonClientSettings> configure)
+        {
+            if (configure is null) throw new ArgumentNullException(nameof(configure));
+
+            _configures.Add(configure);
+            return this;
+        }
+
+        public WechatTenpayClientBuilder UseInterceptor(HttpInterceptor interceptor)
+        {
+            if (interceptor is null) throw new ArgumentNullException(nameof(interceptor));
+
+            _interceptors.Add(interceptor);
+            return this;
+        }
+
+        public WechatTenpayClientBuilder UseHttpClient(HttpClient httpClient, bool disposeClient = true)
+        {
+            if (httpClient is null) throw new ArgumentNullException(nameof(httpClient));
+
+            _httpClient = httpClient;
+            _disposeClient = disposeClient;
+            return this;
+        }
+
+        public WechatTenpayClient Build()
+        {
+            WechatTenpayClient client = _disposeClient.HasValue
+                ? new WechatTenpayClient(_options, _httpClient, _disposeClient.Value)
+                : new WechatTenpayClient(_options, _httpClient);
+
+            foreach (Action<CommonClientSettings> configure in _configures)
+            {
+                client.Configure(configure);
+            }
+
+            foreach (HttpInterceptor interceptor in _interceptors)
+            {
+                client.Interceptors.Add(interceptor);
+            }
+
+            return client;
+        }
+    }
+
+    partial class WechatTenpayClientBuilder
+    {
+        public static WechatTenpayClientBuilder Create(WechatTenpayClientOptions options)
+        {
+            if (options is null) throw new ArgumentNullException(nameof(options));
+
+            return new WechatTenpayClientBuilder(options);
+        }
+    }
+}