more checking when creating ldap group

models/group.go

@@ -26,6 +26,19 @@ func GroupGetByName(groupname string) (Group, error) {
 	return g, nil
 }
 
+// GroupGetByName queries the database for a group with the  specified LDAP distinguishedName
+func GroupGetByLdapDn(ldapDn string) (Group, error) {
+	var g Group
+
+	// Query database for matching group object
+	err := db.QueryRowx("SELECT * FROM groups WHERE LdapGroup = 1 AND  LdapDn = ?", ldapDn).StructScan(&g)
+	if err != nil {
+		return g, errors.New("group not found")
+	}
+
+	return g, nil
+}
+
 // GroupList returns a list of all groups in database
 func GroupList() ([]Group, error) {
 	var results []Group