using D365MetadataService.Models;
using D365MetadataService.Services;
using Serilog;
using System;
using System.Collections.Generic;
using System.Threading.Tasks;
namespace D365MetadataService.Handlers
{
/// <summary>
/// Handler for parameter validation requests
/// </summary>
public class ValidationHandler : BaseRequestHandler
{
private readonly D365ObjectFactory _objectFactory;
public ValidationHandler(D365ObjectFactory objectFactory, ILogger logger)
: base(logger)
{
_objectFactory = objectFactory ?? throw new ArgumentNullException(nameof(objectFactory));
}
public override string SupportedAction => "validate";
protected override Task<ServiceResponse> HandleRequestAsync(ServiceRequest request)
{
var validationError = ValidateRequest(request);
if (validationError != null)
return Task.FromResult(validationError);
try
{
if (string.IsNullOrEmpty(request.ObjectType))
{
return Task.FromResult(ServiceResponse.CreateError("ObjectType is required for validation"));
}
var result = _objectFactory.ValidateParameters(request.ObjectType, request.Parameters ?? new Dictionary<string, object>());
return Task.FromResult(ServiceResponse.CreateSuccess(result));
}
catch (Exception ex)
{
Logger.Error(ex, "Error validating parameters for {ObjectType}", request.ObjectType);
return Task.FromResult(ServiceResponse.CreateError($"Parameter validation failed: {ex.Message}"));
}
}
}
}
