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using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.Filters;
using System.Linq;
using Timeline.Models.Http;
using Timeline.Services;
namespace Timeline.Filters
{
public class CatchEntityNotExistExceptionFilter : IExceptionFilter
{
private static string MakeMessage(EntityNotExistException e)
{
return string.Format(Resource.MessageEntityNotExist, e.EntityType.Name, e.GenerateConstraintString());
}
private static CommonResponse MakeCommonResponse(EntityNotExistException e)
{
return new CommonResponse(e.EntityType.NotExistErrorCode, MakeMessage(e));
}
public void OnException(ExceptionContext context)
{
if (context.Exception is EntityNotExistException e)
{
if (context.HttpContext.Request.Path.StartsWithSegments("/api/v2"))
{
context.Result = new NotFoundResult();
}
else
{
if (HttpMethods.IsGet(context.HttpContext.Request.Method))
{
context.Result = new NotFoundObjectResult(MakeCommonResponse(e));
}
else if (HttpMethods.IsDelete(context.HttpContext.Request.Method))
{
if (context.ActionDescriptor.EndpointMetadata.OfType<NotEntityDeleteAttribute>().Any())
{
context.Result = new BadRequestObjectResult(MakeCommonResponse(e));
}
else
{
context.Result = new OkObjectResult(CommonDeleteResponse.NotExist());
}
}
else
{
context.Result = new BadRequestObjectResult(MakeCommonResponse(e));
}
}
}
}
}
}
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