Fixes to Azure Serverless deployment

Author: sjuarez

dotnet/src/dotnetcore/GxClasses.Web/Middleware/GXRestServices.cs

@@ -542,6 +542,8 @@ string dateTimeToHTMLDate(DateTime dt)
 
 		protected virtual HttpContext GetHttpContext()
 		{
+			//This method must be virtual so it can be implemented by Azure Functions classes.
+			//In the case of Azure, the base HttpContext isn't the ControllerBase class HttpContext, but rather the Azure Request HttpContext itself.
 			return base.HttpContext;
 		}
 		protected virtual bool IsSynchronizer { get { return false; } }

dotnet/src/extensions/Azure/Handlers/Program.cs

@@ -1,9 +1,6 @@
-using System;
-using System.ComponentModel;
 using System.IO;
 using System.Reflection;
 using System.Text.Json;
-using System.Text.Json.Serialization;
 using System.Threading.Tasks;
 using GeneXus.Application;
 using GeneXus.Cache;
@@ -39,7 +36,7 @@ static async Task Main()
 					{
 
 						options.JsonSerializerOptions.NumberHandling = System.Text.Json.Serialization.JsonNumberHandling.AllowReadingFromString;
-						options.JsonSerializerOptions.Converters.Add(new StringConverter());
+						options.JsonSerializerOptions.Converters.Add(new GeneXus.Utils.StringConverter());
 
 					});
 					ISessionService sessionService = GXSessionServiceFactory.GetProvider();
@@ -55,28 +52,6 @@ static async Task Main()
 			GxContext.IsHttpContext = true;
 			await host.RunAsync();
 		}
-
-		public class StringConverter : JsonConverter<string>
-		{
-			public override string Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
-			{
-				if (reader.TokenType == JsonTokenType.Number)
-				{
-					if (reader.TryGetInt32(out int l))
-						return l.ToString();
-					else if (reader.TryGetDecimal(out decimal d))
-						return d.ToString();
-					else
-						return reader.GetDouble().ToString();
-				}
-				return reader.GetString();
-			}
-
-			public override void Write(Utf8JsonWriter writer, string value, JsonSerializerOptions options)
-			{
-				writer.WriteStringValue(value);
-			}
-		}
 		private static string GetRoutePrefix(string ContentRootPath)
 		{
 			//Read host.json file to get Route prefix