using D365MetadataService.Models;
using D365MetadataService.Services;
using Serilog;
using System;
using System.Threading.Tasks;
namespace D365MetadataService.Handlers
{
/// <summary>
/// Handler for safe object deletion with dependency validation
/// Supports deletion of D365 F&O objects with safety checks
/// Phase 1: Basic deletion using D365ObjectFactory.DeleteObjectAsync
/// Phase 2: Will add comprehensive dependency analysis
/// </summary>
public class DeleteObjectHandler : BaseRequestHandler
{
private readonly D365ObjectFactory _objectFactory;
public DeleteObjectHandler(D365ObjectFactory objectFactory, ILogger logger)
: base(logger)
{
_objectFactory = objectFactory ?? throw new ArgumentNullException(nameof(objectFactory));
}
public override string SupportedAction => "delete-object";
protected override async Task<ServiceResponse> HandleRequestAsync(ServiceRequest request)
{
try
{
// Validate request parameters
var validationError = ValidateDeleteRequest(request);
if (validationError != null)
return validationError;
var objectName = request.Parameters["objectName"].ToString();
var objectType = request.Parameters["objectType"].ToString();
var cascadeDelete = request.Parameters.ContainsKey("cascadeDelete") &&
Convert.ToBoolean(request.Parameters["cascadeDelete"]);
Logger.Information("đī¸ Processing delete request: {ObjectName} ({ObjectType}), cascade: {CascadeDelete}",
objectName, objectType, cascadeDelete);
// Phase 1: Basic deletion without comprehensive dependency analysis
Logger.Information("âšī¸ Phase 1 implementation - performing deletion using D365ObjectFactory");
// Perform the deletion using the object factory
var deleteSuccess = await _objectFactory.DeleteObjectAsync(objectType, objectName);
if (deleteSuccess)
{
Logger.Information("â
Successfully deleted {ObjectName} ({ObjectType})", objectName, objectType);
return ServiceResponse.CreateSuccess(new
{
ObjectsDeleted = new[] { $"{objectName} ({objectType})" },
DependenciesFound = new object[0], // Phase 1: No dependency analysis yet
Warnings = new string[0],
Errors = new string[0],
Message = "Object deleted successfully",
Implementation = "Phase 1 - Using D365 metadata provider Delete method"
});
}
else
{
Logger.Error("â Failed to delete {ObjectName} ({ObjectType})", objectName, objectType);
return ServiceResponse.CreateError($"Failed to delete object: {objectName} ({objectType}). Check logs for details.");
}
}
catch (Exception ex)
{
Logger.Error(ex, "â Error in delete object handler");
return ServiceResponse.CreateError($"Internal error during deletion: {ex.Message}");
}
}
/// <summary>
/// Validate delete request parameters
/// </summary>
private ServiceResponse ValidateDeleteRequest(ServiceRequest request)
{
if (request.Parameters == null)
return ServiceResponse.CreateError("Parameters are required for delete operations");
if (!request.Parameters.ContainsKey("objectName") ||
string.IsNullOrWhiteSpace(request.Parameters["objectName"]?.ToString()))
return ServiceResponse.CreateError("objectName is required");
if (!request.Parameters.ContainsKey("objectType") ||
string.IsNullOrWhiteSpace(request.Parameters["objectType"]?.ToString()))
return ServiceResponse.CreateError("objectType is required");
return null; // Valid
}
}
}
