JSON output/result changed with upgrade

[bj2cs 1]

Hello,

 

I recently upgraded code from D2010 to Alexandria. This included the MARS curiosity codebase.

 

I have noticed that now, with endpoints that return a record as TMediaType.Application_JSON, string record data fields that are empty are completely ommitted from the resultant JSON text.

 

Is there a way to revert back to the original behavior of returning all record fields, even blank/empty string fields?

 

Here are the record definition, function declaration and sample results/output from before and after the upgrade:

 

record definition:
  TInventoryCheckResponse = record
    itemkey: Integer;
    itemid: String;
    qtyavailable: Integer;
    function ToJSONStr: String;
  end;

 

function declaration:

 function InventoryCheck([PathParam] ItemID: String): TInventoryCheckResponse;
    [POST, Path('/shipping/methods'), Produces(TMediaType.APPLICATION_JSON)]

 

result before the upgrade:

{

    "itemkey": 0,

    "itemid": "",

    "qtyavailable": 0

}

 

Result after the upgrade:

{

    "itemkey": 0,

    "qtyavailable": 0

}

 

[Andrea Magni 75]

You can drive the serialization through the serialization options.

 

Sincerely,

Andrea

[bj2cs 1]

@Andrea Magni 

 

Thank you sir for pointing me in the right direction. I have added the following to the server resource initialization and it appears to have resolved my issue. 

Quote

DefaultMARSJSONSerializationOptions.SkipEmptyValues := False;

 

[Rolphy Reyes 0]

Hi!

I have the same problem with the current version of the source code of the framework.

 

I put this code in the ServerMainForm unit:

 

initialization
  ReportMemoryLeaksOnShutdown := True;
  DefaultMARSJSONSerializationOptions.SkipEmptyValues := False;
  DefaultMARSJSONSerializationOptions.DateIsUTC := False;
  DefaultMARSJSONSerializationOptions.UseDisplayFormatForNumericFields := False;
  DefaultMARSJSONSerializationOptions.DateFormat := ISO8601;

And I still can not get all the fields, the fields with empty value are completely ommitted.

[Olli73 5]

I would try to set the options later in the code