public static async Task SendErrorResponseAsync(HttpResponse response, string title, IHostingEnvironment env, Action <XmlWriter> writeMessage = null,
Exception exception = null, int statusCode = StatusCodes.Status500InternalServerError)
{
using (ResponseDocument responseDocument = new ResponseDocument(title))
{
string cssClass = (exception != null) ? "danger" : "warning";
responseDocument.BodyWriter.WriteStartElement("h1");
responseDocument.BodyWriter.WriteAttributeString("class", cssClass);
responseDocument.BodyWriter.WriteString(responseDocument.Title);
responseDocument.BodyWriter.WriteEndElement();
if (writeMessage != null)
{
responseDocument.BodyWriter.WriteStartElement("div");
responseDocument.BodyWriter.WriteAttributeString("class", "alert-" + cssClass);
if (writeMessage != null)
{
writeMessage(responseDocument.BodyWriter);
}
responseDocument.BodyWriter.WriteEndElement();
}
if (exception != null && env.IsDevelopment())
{
responseDocument.BodyWriter.WriteStartElement("dl");
responseDocument.BodyWriter.WriteElementString("dt", "Exception Type");
responseDocument.BodyWriter.WriteElementString("dd", exception.GetType().FullName);
responseDocument.BodyWriter.WriteElementString("dt", "Message");
responseDocument.BodyWriter.WriteElementString("dd", exception.Message);
responseDocument.BodyWriter.WriteEndElement();
try
{
if (!String.IsNullOrWhiteSpace(exception.StackTrace))
{
responseDocument.BodyWriter.WriteElementString("h3", "Stack trace");
responseDocument.BodyWriter.WriteElementString("pre", "exception.StackTrace");
}
} catch { }
}
responseDocument.StatusCode = statusCode;
await SendHtmlResponseAsync(response, responseDocument);
}
}
public static async Task SendHtmlResponseAsync(HttpResponse response, ResponseDocument document)
{
await SendTextResponseAsync(response, document.GetHtml(), new ContentType(MediaTypeNames.Text.Html), document.StatusCode);
}