feat(wxapi): 新增微信小店代用户发起退差价接口

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

@@ -271,6 +271,29 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
             return await client.SendFlurlRequestAsJsonAsync<Models.ChannelsECAftersaleUploadRefundCertificateResponse>(flurlReq, data: request, cancellationToken: cancellationToken).ConfigureAwait(false);
         }
 
+        /// <summary>
+        /// <para>异步调用 [POST] /channels/ec/aftersale/refundpricediff 接口。</para>
+        /// <para>
+        /// REF: <br/>
+        /// <![CDATA[ https://developers.weixin.qq.com/doc/store/shop/API/channels-shop-aftersale/api_refundpricediff.html ]]>
+        /// </para>
+        /// </summary>
+        /// <param name="client"></param>
+        /// <param name="request"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public static async Task<Models.ChannelsECAftersaleRefundPriceDiffResponse> ExecuteChannelsECAftersaleRefundPriceDiffAsync(this WechatApiClient client, Models.ChannelsECAftersaleRefundPriceDiffRequest 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.Post, "channels", "ec", "aftersale", "refundpricediff")
+                .SetQueryParam("access_token", request.AccessToken);
+
+            return await client.SendFlurlRequestAsJsonAsync<Models.ChannelsECAftersaleRefundPriceDiffResponse>(flurlReq, data: request, cancellationToken: cancellationToken).ConfigureAwait(false);
+        }
+
         #region ECAftersale/Complaint
         /// <summary>
         /// <para>异步调用 [POST] /channels/ec/aftersale/addcomplaintmaterial 接口。</para>

src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleRefundPriceDiffRequest.cs

@@ -0,0 +1,61 @@
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /channels/ec/aftersale/refundpricediff 接口的请求。</para>
+    /// </summary>
+    public class ChannelsECAftersaleRefundPriceDiffRequest : WechatApiRequest, IInferable<ChannelsECAftersaleRefundPriceDiffRequest, ChannelsECAftersaleRefundPriceDiffResponse>
+    {
+        /// <summary>
+        /// 获取或设置请求唯一标识。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("request_id")]
+        [System.Text.Json.Serialization.JsonPropertyName("request_id")]
+        public string? RequestId { get; set; }
+
+        /// <summary>
+        /// 获取或设置订单 ID。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("order_id")]
+        [System.Text.Json.Serialization.JsonPropertyName("order_id")]
+        public string OrderId { get; set; } = string.Empty;
+
+        /// <summary>
+        /// 获取或设置商品 ID。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("product_id")]
+        [Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.Common.TextualNumberConverter))]
+        [System.Text.Json.Serialization.JsonPropertyName("product_id")]
+        [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Serialization.Common.TextualNumberConverter))]
+        public long ProductId { get; set; }
+
+        /// <summary>
+        /// 获取或设置 SKU ID。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("sku_id")]
+        [Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.Common.TextualNumberConverter))]
+        [System.Text.Json.Serialization.JsonPropertyName("sku_id")]
+        [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Serialization.Common.TextualNumberConverter))]
+        public long SKUId { get; set; }
+
+        /// <summary>
+        /// 获取或设置售后退款金额（单位：分）。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("amount")]
+        [System.Text.Json.Serialization.JsonPropertyName("amount")]
+        public int Amount { get; set; }
+
+        /// <summary>
+        /// 获取或设置售后原因。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("reason")]
+        [System.Text.Json.Serialization.JsonPropertyName("reason")]
+        public string ReasonType { get; set; } = string.Empty;
+
+        /// <summary>
+        /// 获取或设置代发起售后补充说明。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("desc")]
+        [System.Text.Json.Serialization.JsonPropertyName("desc")]
+        public string? Description { get; set; }
+    }
+}

src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleRefundPriceDiffResponse.cs

@@ -0,0 +1,15 @@
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /channels/ec/aftersale/refundpricediff 接口的响应。</para>
+    /// </summary>
+    public class ChannelsECAftersaleRefundPriceDiffResponse : WechatApiResponse
+    {
+        /// <summary>
+        /// 获取或设置售后单 ID。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("after_sale_order_id")]
+        [System.Text.Json.Serialization.JsonPropertyName("after_sale_order_id")]
+        public string AftersaleOrderId { get; set; } = default!;
+    }
+}

src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/HeadSupplier/Item/ChannelsECLeagueHeadSupplierItemPromotionDetailGetResponse.cs

@@ -91,6 +91,13 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
                         [Newtonsoft.Json.JsonProperty("name")]
                         [System.Text.Json.Serialization.JsonPropertyName("name")]
                         public string Name { get; set; } = default!;
+
+                        /// <summary>
+                        /// 获取或设置团长头像 URL。
+                        /// </summary>
+                        [Newtonsoft.Json.JsonProperty("head_img")]
+                        [System.Text.Json.Serialization.JsonPropertyName("head_img")]
+                        public string HeadImageUrl { get; set; } = default!;
                     }
 
                     public class CooperativeInfo

test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Channels/ECAftersale/ChannelsECAftersaleRefundPriceDiffRequest.json

@@ -0,0 +1,9 @@
+{
+    "request_id": "req_20240101120000_1234511",
+    "order_id": "3732100665787132600",
+    "product_id": "10000239001116",
+    "sku_id": "3516044037",
+    "amount": 10,
+    "reason": "10001338",
+    "desc": "商品价格差异退款申请，原价100元，现价90元，申请退还10元差价"
+}

test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Channels/ECAftersale/ChannelsECAftersaleRefundPriceDiffResponse.json

@@ -0,0 +1,6 @@
+{
+    "errcode": 0,
+    "errmsg": "ok",
+    "after_sale_order_id": "2082648273412"
+}
+