Version 3 starter

backend/internal/validator/hosts.go

@@ -0,0 +1,23 @@
+package validator
+
+import (
+	"fmt"
+
+	"npm/internal/entity/certificate"
+	"npm/internal/entity/host"
+)
+
+// ValidateHost will check if associated objects exist and other checks
+// will return  a nil error if things are OK
+func ValidateHost(h host.Model) error {
+	if h.CertificateID > 0 {
+		// Check certificate exists and is valid
+		// This will not determine if the certificate is Ready to use,
+		// as this validation only cares that the row exists.
+		if _, cErr := certificate.GetByID(h.CertificateID); cErr != nil {
+			return fmt.Errorf("Certificate #%d does not exist", h.CertificateID)
+		}
+	}
+
+	return nil
+}