Add MarketPlaceId to AmazonCredential

Author: abuzuhri

Source/FikaAmazonAPI/AmazonConnection.cs

@@ -157,8 +157,19 @@ private void ValidateCredentials(AmazonCredential Credentials)
             else if (string.IsNullOrEmpty(Credentials.RefreshToken))
                 throw new AmazonInvalidInputException($"InvalidInput, RefreshToken cannot be empty!");
             else if (Credentials.MarketPlace == null)
-                throw new AmazonInvalidInputException($"InvalidInput, MarketPlace cannot be null!");
+            {
+                if (string.IsNullOrEmpty(Credentials.MarketPlaceID))
+                {
+                    throw new AmazonInvalidInputException($"InvalidInput, MarketPlace or MarketPlaceID cannot be null for both!");
+                }
+                else
+                {
+                    Credentials.MarketPlace = MarketPlace.GetMarketPlaceByID(Credentials.MarketPlaceID);
+                }
+            }
+
         }
         public MarketPlace GetCurrentMarketplace { get { return Credentials.MarketPlace; } }
+        public string GetCurrentSellerID { get { return Credentials.SellerID; } }
     }
 }

Source/FikaAmazonAPI/AmazonCredential.cs

@@ -21,12 +21,14 @@ public class AmazonCredential
         public int MaxThrottledRetryCount { get; set; } = 3;
         public ShippingBusiness? ShippingBusiness { get; set; }
         public bool IsDebugMode { get; set; }
+        public string MarketPlaceID { get; set; }
+        public string SellerID { get; set; }
 
         public AmazonCredential()
         {
             CacheTokenData = new CacheTokenData();
         }
-        public AmazonCredential(string AccessKey, string SecretKey, string RoleArn, string ClientId, string ClientSecret,string RefreshToken)
+        public AmazonCredential(string AccessKey, string SecretKey, string RoleArn, string ClientId, string ClientSecret, string RefreshToken)
         {
             this.AccessKey = AccessKey;
             this.SecretKey = SecretKey;

Source/FikaAmazonAPI/Utils/MarketPlace.cs

@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using FikaAmazonAPI.AmazonSpApiSDK.Models.Exceptions;
+using System.Collections.Generic;
 using System.Linq;
 using static FikaAmazonAPI.ConstructFeed.BaseXML;
 
@@ -34,7 +35,11 @@ public static MarketPlace GetMarketPlaceByID(string id)
             //FarEast
             list.Add(Singapore); list.Add(Australia); list.Add(Japan);
 
-            return list.FirstOrDefault(a => a.ID == id);
+            var marketpalce = list.FirstOrDefault(a => a.ID == id);
+            if (marketpalce == null)
+                throw new AmazonInvalidInputException($"InvalidInput, MarketPlace or MarketPlaceID cannot be null for both!");
+
+            return marketpalce;
         }
 
         public static MarketPlace GetMarketplaceByCountryCode(string countryCode)