management server listener (#17)

Reviewed-on: #17
Co-authored-by: David Ashby <delta.mu.alpha@gmail.com>
Co-committed-by: David Ashby <delta.mu.alpha@gmail.com>

query/funcs.go

@@ -0,0 +1,28 @@
+package query
+
+import (
+	"fmt"
+	"strings"
+)
+
+func tryGetFirst(s []string) string {
+	if len(s) == 0 {
+		return ""
+	}
+	return s[0]
+}
+
+func buildTitle(title, subtitle string) string {
+	if subtitle != "" {
+		return fmt.Sprintf("%s: %s", title, subtitle)
+	}
+	return title
+}
+
+func getLastName(author string) string {
+	names := strings.Split(author, " ")
+	if len(names) < 2 {
+		return author
+	}
+	return names[len(names)-1]
+}