feat(tenpayv3): 新增查询爱心餐品牌信息接口

src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Extensions/WechatTenpayClientExecuteLovefeastExtensions.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using Flurl.Http;
+
+namespace SKIT.FlurlHttpClient.Wechat.TenpayV3
+{
+    public static class WechatTenpayClientExecuteLovefeastExtensions
+    {
+        /// <summary>
+        /// <para>异步调用 [GET] /lovefeast/brands/{brand_id} 接口。</para>
+        /// <para>
+        /// REF: <br/>
+        /// <![CDATA[ https://pay.weixin.qq.com/docs/merchant/apis/lovefeast/brands/get-brand.html ]]>
+        /// </para>
+        /// </summary>
+        /// <param name="client"></param>
+        /// <param name="request"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public static async Task<Models.GetLovefeastBrandByBrandIdResponse> ExecuteGetLovefeastBrandByBrandIdAsync(this WechatTenpayClient client, Models.GetLovefeastBrandByBrandIdRequest request, CancellationToken cancellationToken = default)
+        {
+            if (client is null) throw new ArgumentNullException(nameof(client));
+            if (request is null) throw new ArgumentNullException(nameof(request));
+
+            IFlurlRequest flurlReq = client
+                .CreateFlurlRequest(request, HttpMethod.Get, "lovefeast", "brands", request.BrandId);
+
+            return await client.SendFlurlRequestAsJsonAsync<Models.GetLovefeastBrandByBrandIdResponse>(flurlReq, data: request, cancellationToken: cancellationToken).ConfigureAwait(false);
+        }
+    }
+}

src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/Lovefeast/GetLovefeastBrandByBrandIdRequest.cs

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+namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.Models
+{
+    /// <summary>
+    /// <para>表示 [GET] /lovefeast/brands/{brand_id} 接口的请求。</para>
+    /// </summary>
+    public class GetLovefeastBrandByBrandIdRequest : WechatTenpayRequest
+    {
+        /// <summary>
+        /// 获取或设置品牌 ID。
+        /// </summary>
+        [Newtonsoft.Json.JsonIgnore]
+        [System.Text.Json.Serialization.JsonIgnore]
+        public string BrandId { get; set; } = string.Empty;
+    }
+}

src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/Lovefeast/GetLovefeastBrandByBrandIdResponse.cs

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+namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.Models
+{
+    /// <summary>
+    /// <para>表示 [GET] /lovefeast/brands/{brand_id} 接口的响应。</para>
+    /// </summary>
+    public class GetLovefeastBrandByBrandIdResponse : WechatTenpayResponse
+    {
+        /// <summary>
+        /// 获取或设置捐赠数量。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("donate_count")]
+        [System.Text.Json.Serialization.JsonPropertyName("donate_count")]
+        public int DonateCount { get; set; }
+
+        /// <summary>
+        /// 获取或设置供餐数量。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("consume_count")]
+        [System.Text.Json.Serialization.JsonPropertyName("consume_count")]
+        public int? ConsumeCount { get; set; }
+    }
+}