SWE-12 Define web service call for making payment

SynchronyFinancial/SynchronyFinancial WatchKit Extension/FetchData.swift

@@ -20,7 +20,7 @@ class FetchData {
                     completion(false, NSError())
                     return
                 }
-                
+
                 if let token = dict["access_token"]?.string {
                     // now we should save our token somewhere safe (UserDefaults)
                     UserDefaults.standard.set(token, forKey: "access_token")
@@ -107,4 +107,28 @@ class FetchData {
             }
         }
     }
+
+    static func submitPayment(for alias: String, type: String, amount: Double, bankID: String, completion: @escaping (String, String, Error?) -> Void) {
+        var paymentHeader = Defaults.headerForPmt
+        paymentHeader["account_alias"] = alias
+        paymentHeader["bank_account_id"] = bankID
+        paymentHeader["payment_amount_type"] = type
+        paymentHeader["payment_amount"] = amount
+        paymentHeader["scheduled_payment_post_date"] = Defaults.careCreditDateFormatter.string(from: Date())
+
+
+        Alamofire.request(Defaults.MAKE_PAYMENT_URL, method: .post, parameters: paymentHeader, encoding: JSONEncoding.default, headers: Defaults.authHeader).responseJSON { payload in
+            switch payload.result {
+            case .success(let value):
+                let dict = JSON(value).dictionaryValue
+                guard dict["status"]?.dictionaryValue["response_code"]?.string == "0" else { return }
+                if let paymentConfirmationNum = dict["payment_confirmation_number"]?.stringValue,
+                    let paymentID = dict["payment_id"]?.stringValue {
+                    completion(paymentConfirmationNum, paymentID, nil)
+                }
+            case .failure(let error):
+                NSLog("Error: \(error.localizedDescription)")
+            }
+        }
+    }
 }