public ApiExceptionMiddleware(ApiExceptionOptions options, RequestDelegate next,
ILogger <ApiExceptionMiddleware> logger)
{
_next = next;
_logger = logger;
_options = options;
}
private Task HandleExceptionAsync(HttpContext context, Exception exception, ApiExceptionOptions opts)
{
var error = new ApiError
{
Id = Guid.NewGuid().ToString(),
Status = (short)HttpStatusCode.InternalServerError,
Title = "Some kind of error occurred in the API. Please use the id and contact our " +
"support team if the problem persists."
};
opts.AddResponseDetails?.Invoke(context, exception, error);
var innerExMessage = GetInnermostExceptionMessage(exception);
// _logger.LogError(exception, "BADNESS!!! " + innerExMessage + " -- {ErrorId}.", error.Id);
var level = _options.DetermineLogLevel?.Invoke(exception) ?? LogLevel.Error;
_logger.Log(level, exception, "BADNESS!!! " + innerExMessage + " -- {ErrorId}.", error.Id);
var result = JsonConvert.SerializeObject(error);
context.Response.ContentType = "application/json";
context.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
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));
}