feat(wxapi): 新增交易组件修改订单备注相关接口

src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteProductExtensions.cs

@@ -1216,6 +1216,26 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
 
             return await client.SendRequestWithJsonAsync<Models.ProductOrderChangeOrderPriceResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
         }
+
+        /// <summary>
+        /// <para>异步调用 [POST] /product/order/change_merchant_notes 接口。</para>
+        /// <para>REF: https://developers.weixin.qq.com/miniprogram/dev/platform-capabilities/business-capabilities/ministore/minishopopencomponent/API/order/change_merchant_notes.html </para>
+        /// </summary>
+        /// <param name="client"></param>
+        /// <param name="request"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public static async Task<Models.ProductOrderChangeMerchantNotesResponse> ExecuteProductOrderChangeMerchantNotesAsync(this WechatApiClient client, Models.ProductOrderChangeMerchantNotesRequest 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
+                .CreateRequest(request, HttpMethod.Post, "product", "order", "change_merchant_notes")
+                .SetQueryParam("access_token", request.AccessToken);
+
+            return await client.SendRequestWithJsonAsync<Models.ProductOrderChangeMerchantNotesResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
+        }
         #endregion
 
         #region Coupon

src/SKIT.FlurlHttpClient.Wechat.Api/Models/Product/Order/ProductOrderChangeMerchantNotesRequest.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /product/order/change_merchant_notes 接口的请求。</para>
+    /// </summary>
+    public class ProductOrderChangeMerchantNotesRequest : WechatApiRequest
+    {
+        /// <summary>
+        /// 获取或设置订单 ID。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("order_id")]
+        [System.Text.Json.Serialization.JsonPropertyName("order_id")]
+        public long OrderId { get; set; }
+
+        /// <summary>
+        /// 获取或设置商家备注。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("merchant_notes")]
+        [System.Text.Json.Serialization.JsonPropertyName("merchant_notes")]
+        public string MerchantNotes { get; set; } = string.Empty;
+    }
+}

src/SKIT.FlurlHttpClient.Wechat.Api/Models/Product/Order/ProductOrderChangeMerchantNotesResponse.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /product/order/change_merchant_notes 接口的响应。</para>
+    /// </summary>
+    public class ProductOrderChangeMerchantNotesResponse : WechatApiResponse
+    {
+    }
+}

test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Product/Order/ProductOrderChangeMerchantNotesRequest.json

@@ -0,0 +1,4 @@
+{
+    "order_id": 123456,
+    "merchant_notes": "abc"
+}

test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Product/Order/ProductOrderChangeMerchantNotesResponse.json

@@ -0,0 +1,4 @@
+{
+    "errcode": 0,
+    "errmsg": "ok"
+}