initial commits

serveerror.go

@@ -0,0 +1,60 @@
+package maymoon
+
+import (
+	"sourcecode.social/reiver/go-errhttp"
+
+	"fmt"
+	"net/http"
+)
+
+func serveError(responsewriter http.ResponseWriter, err error) {
+
+	if nil == responsewriter {
+/////////////// RETURN
+		return
+	}
+
+	if nil == err {
+		http.Error(responsewriter, "Internal Server Error\n\nMissing Error\n", http.StatusInternalServerError)
+/////////////// RETURN
+		return
+	}
+
+	var e errhttp.Error
+	{
+		var casted bool
+
+		e, casted = err.(errhttp.Error)
+		if !casted {
+			var msg []byte = []byte("Internal Server Error\n\n")
+			msg = append(msg, err.Error()...)
+			msg = append(msg, '\n')
+
+			http.Error(responsewriter, string(msg), http.StatusInternalServerError)
+/////////////////////// RETURN
+			return
+		}
+	}
+
+	var statuscode int = e.ErrHTTP()
+
+	var msg []byte
+	{
+		var statustext string = http.StatusText(statuscode)
+		if "" == statustext {
+			statustext = fmt.Sprintf("HTTP Error %d", statuscode)
+		}
+
+		msg = append(msg, statustext...)
+	}
+	{
+		var inner error = e.Unwrap()
+		if nil != inner {
+			msg = append(msg, "\n\n"...)
+			msg = append(msg, inner.Error()...)
+			msg = append(msg, '\n')
+		}
+	}
+
+	http.Error(responsewriter, string(msg), statuscode)
+}