private Task HandleExceptionAsync(HttpContext context, Exception ex, ApiExceptionOptions options)
{
(HttpStatusCode httpStatusCode, string title) = ex.ToHttpStatusCodeAndTitle();
var error = new ApiError
{
Id = Guid.NewGuid().ToString(),
Status = (short)httpStatusCode,
Title = title,
};
options.AddResponseDetails?.Invoke(context, ex, error);
string message = GetInnermostExceptionMessage(ex);
LogLevel level = _options.DetermineLogLevel?.Invoke(ex) ?? LogLevel.Error;
_logger.Log(level, ex, $"{ExceptionConstants.AnErrorOccurred}: {message} -- {error.Id}.");
string result = JsonConvert.SerializeObject(error);
context.Response.ContentType = ApiConstants.ApplicationJson;
context.Response.StatusCode = (int)httpStatusCode;
return(context.Response.WriteAsync(result));
}
public static IApplicationBuilder UseApiExceptionHandler(this IApplicationBuilder builder, Action <ApiExceptionOptions> configureOptions)
{
var options = new ApiExceptionOptions();
configureOptions(options);
return(builder.UseMiddleware <ApiExceptionMiddleware>(options));
}
public ApiExceptionMiddleware(ApiExceptionOptions options, RequestDelegate next, ILogger <ApiExceptionMiddleware> logger)
{
_next = next;
_logger = logger;
_options = options;
}