add refund, close order

Sources/WechatPay/wxpayCloseOrderParams.swift

@@ -0,0 +1,24 @@
+//
+//  File.swift
+//  
+//
+//  Created by xj on 2020/4/5.
+//
+
+import Vapor
+
+public typealias WxpayCloseOrderParams = WxPayParam
+
+public struct WxpayCloseOrderResp: Content {
+    let return_code: String
+    let return_msg: String?
+
+    let appid: String
+    let mch_id: String
+    let nonce_str: String
+    let sign: String
+    let result_code: String
+    let result_msg: String
+    let err_code: String?
+    let err_code_des: String?
+}

Sources/WechatPay/wxpayConst.swift

@@ -12,11 +12,15 @@ public struct WxpayConst {
     public enum Url {
         case unifiedorder
         case orderquery
+        case closeOrder
+        case refundOrder
 
         var str: String {
             switch self {
             case .unifiedorder: return "https://api.mch.weixin.qq.com/pay/unifiedorder"
             case .orderquery: return "https://api.mch.weixin.qq.com/pay/orderquery"
+            case .closeOrder: return "https://api.mch.weixin.qq.com/pay/closeorder"
+            case .refundOrder: return "https://api.mch.weixin.qq.com/secapi/pay/refund"
             }
         }
     }

Sources/WechatPay/wxpayRefundOrderParams.swift

@@ -0,0 +1,60 @@
+//
+//  File.swift
+//  
+//
+//  Created by xj on 2020/4/5.
+//
+
+import Vapor
+
+public class WxpayRefundOrderParams: WxParams {
+    public init(transaction_id: String?, out_trade_no: String?, out_refund_no: String, total_fee: Int, refund_fee: Int, refund_fee_type: String?, refund_desc: String?, refund_account: String?, notify_url: String?) {
+        self.transaction_id = transaction_id
+        self.out_trade_no = out_trade_no
+        self.out_refund_no = out_refund_no
+        self.total_fee = total_fee
+        self.refund_fee = refund_fee
+        self.refund_fee_type = refund_fee_type
+        self.refund_desc = refund_desc
+        self.refund_account = refund_account
+        self.notify_url = notify_url
+    }
+
+    let transaction_id: String?
+    let out_trade_no: String?
+    let out_refund_no: String
+    let total_fee: Int
+    let refund_fee: Int
+    let refund_fee_type: String?
+    let refund_desc: String?
+    let refund_account: String?
+    let notify_url: String?
+}
+
+public struct WxpayRefundOrderResp: Content {
+
+    let return_code: String
+    let return_msg: String?
+
+    let result_code: String
+    let err_code: String?
+    let err_code_des: String?
+    let appid: String
+    let mch_id: String
+    let nonce_str: String
+    let sign: String
+    let transaction_id: String
+    let out_trade_no: String
+    let out_refund_no: String
+    let refund_id: String
+    let refund_fee: Int
+    let settlement_refund_fee: Int?
+    let total_fee: Int
+    let settlement_total_fee: Int?
+    let fee_type: String?
+    let cash_fee: Int
+    let cash_fee_type: String?
+    let cash_refund_fee: Int?
+    let coupon_refund_fee: Int?
+    let coupon_refund_count: Int?
+}

Sources/WechatPay/wxpayRequest.swift

@@ -53,4 +53,41 @@ extension WxpayClient {
         })
     }
 
+    public func closeOrder(_ params: WxpayCloseOrderParams, req: Request) throws -> EventLoopFuture<WxpayCloseOrderResp> {
+
+        return try postWithParam(url: .closeOrder, params: params, req: req).flatMapThrowing { (resp) -> WxpayCloseOrderResp in
+
+            let result = try resp.content.decode(WxpayCloseOrderResp.self, using: XMLDecoder())
+
+            if result.sign.isEmpty {
+                throw WxpayError(reason: "verfy sign is empty")
+            }
+
+            let signDic = MirrorExt.generateDic(model: resp)
+            let sign2 = try WxpaySign.sign(dic: signDic, key: self.apiKey, signType: self.signType)
+            if result.sign != sign2 {
+                throw WxpayError(reason: "verfy sign failed")
+            }
+            return result
+        }
+    }
+
+    public func refundOrder(_ params: WxpayRefundOrderParams, req: Request) throws -> EventLoopFuture<WxpayRefundOrderResp> {
+
+        return try postWithParam(url: .refundOrder, params: params, req: req).flatMapThrowing({ (resp) -> WxpayRefundOrderResp in
+
+            let result = try resp.content.decode(WxpayRefundOrderResp.self, using: XMLDecoder())
+
+            if result.sign.isEmpty {
+                throw WxpayError(reason: "verfy sign is empty")
+            }
+
+            let signDic = MirrorExt.generateDic(model: resp)
+            let sign2 = try WxpaySign.sign(dic: signDic, key: self.apiKey, signType: self.signType)
+            if result.sign != sign2 {
+                throw WxpayError(reason: "verfy sign failed")
+            }
+            return result
+        })
+    }
 }