TriggerExceptionHandler 0.1.3

TriggerExceptionHandler

Super easy ASP.NET Core Exception Handler & ModelState validator for Web API services

Install-Package TriggerExceptionHandler

dotnet add package TriggerExceptionHandler

Some exceptions returns different HttpStatusCode:

• UnauthorizedAccessException: Unauthorized (401)
• KeyNotFoundException: NotFound (404)

TODO list

• ILogger
• Custom Dictionary<Exception type, HttpStatusCode>
• Custom serializer
• Conditional details
• Extend status codes

Startup.cs

public void ConfigureServices(IServiceCollection services)
{
    services.AddMvc();
    services.TriggerInvalidModelStateResponse();
}

public void Configure(IApplicationBuilder app, IHostingEnvironment env)
{
    // custom http status codes
    //app.UseTriggerExceptionHandler(nameof(TriggerExceptionHandler), exceptionsCode: new Ext2HttpCode { { typeof(ArgumentException), HttpStatusCode.Ambiguous } });

    app.UseTriggerExceptionHandler("ApplicationName");
    app.UseMvc();
}

Example responses

Exceptions

{
    "type": "Exception",
    "title": "Expected exception message",
    "status": 500,
    "detail": "...stack trace (if debugger is attached)",
    "instance": "urn:ApplicationName:1299978476"
}

Dto Models

{
    "errors": {
        "Name": [
            "The Name field is required."
        ]
    },
    "type": "ValidationProblemDetails",
    "title": "Request Validation Error",
    "status": 400,
    "detail": "One or more validation errors occurred",
    "instance": "urn:ApplicationName:759630415"
}