Adjust how multi record items are stored

server/routers/customDnsRecord/types.ts

@@ -10,13 +10,16 @@ export const CUSTOM_DNS_RECORD_TYPES = [
 
 export type CustomDnsRecordType = (typeof CUSTOM_DNS_RECORD_TYPES)[number];
 
+// One record as the user sees it: a name, type and settings with one or more
+// values (e.g. both nameservers of an NS record). The DNS server answers with
+// one resource record per value.
 export type CustomDnsRecordRow = {
     customDnsRecordId: number;
     domainId: string;
     name: string;
     fullDomain: string;
     type: CustomDnsRecordType;
-    value: string;
+    values: string[];
     ttl: number;
     priority: number | null;
     weight: number | null;
@@ -30,8 +33,22 @@ export type ListCustomDnsRecordsResponse = {
     records: CustomDnsRecordRow[];
 };
 
-export type CreateCustomDnsRecordsResponse = {
-    records: CustomDnsRecordRow[];
-};
+export type CreateOrUpdateCustomDnsRecordResponse = CustomDnsRecordRow;
 
-export type UpdateCustomDnsRecordResponse = CustomDnsRecordRow;
+// The values column holds a JSON-encoded string array
+export function parseCustomDnsRecordValues(raw: string): string[] {
+    try {
+        const parsed = JSON.parse(raw);
+        return Array.isArray(parsed)
+            ? parsed.filter((v): v is string => typeof v === "string")
+            : [];
+    } catch {
+        return [];
+    }
+}
+
+export function toCustomDnsRecordRow(
+    row: Omit<CustomDnsRecordRow, "values"> & { values: string }
+): CustomDnsRecordRow {
+    return { ...row, values: parseCustomDnsRecordValues(row.values) };
+}