Merge pull request #380 from J-W-Chan/main

fixed issue #372

Author: abuzuhri

Source/FikaAmazonAPI/FikaAmazonAPI.csproj

@@ -40,6 +40,7 @@
     <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="RestSharp" Version="108.0.2" />
+    <PackageReference Include="RestSharp.Serializers.NewtonsoftJson" Version="108.0.2" />
     <PackageReference Include="System.Collections" Version="4.3.0" />
     <PackageReference Include="System.ComponentModel.Annotations" Version="5.0.0" />
     <PackageReference Include="System.Reflection" Version="4.3.0" />

Source/FikaAmazonAPI/Services/RequestService.cs

@@ -13,6 +13,8 @@
 using System.Linq;
 using System.Net;
 using System.Threading.Tasks;
+using Newtonsoft.Json.Serialization;
+using RestSharp.Serializers.NewtonsoftJson;
 using static FikaAmazonAPI.AmazonSpApiSDK.Models.Token.CacheTokenData;
 using static FikaAmazonAPI.Utils.Constants;
 
@@ -55,6 +57,7 @@ public RequestService(AmazonCredential amazonCredential)
         private void CreateRequest(string url, RestSharp.Method method)
         {
             RequestClient = new RestClient(ApiBaseUrl);
+            RequestClient.UseNewtonsoftJson();
             Request = new RestRequest(url, method);
         }
         protected async Task CreateUnAuthorizedRequestAsync(string url, RestSharp.Method method, List<KeyValuePair<string, string>> queryParameters = null, object postJsonObj = null)
@@ -105,8 +108,8 @@ protected void CreateAuthorizedPagedRequest(AmazonFilter filter, string url, Res
             RestHeader();
             AddAccessToken();
             AddShippingBusinessId();
+            
             Request = await TokenGeneration.SignWithSTSKeysAndSecurityTokenAsync(Request, RequestClient.Options.BaseUrl.Host, AmazonCredential);
-
             var response = await RequestClient.ExecuteAsync<T>(Request);
             SaveLastRequestHeader(response.Headers);
             SleepForRateLimit(response.Headers, rateLimitType);