rider partner page

src/features/store-admin/assignDelivery.ts

@@ -349,3 +349,20 @@ export function riderName(rider: RiderInfo): string {
 export function riderVehicle(rider: RiderInfo): string {
   return [rider.vehiclename, rider.vehicleno].map((part) => (part ?? '').trim()).filter(Boolean).join(' · ');
 }
+
+/**
+ * Which fleet to ask for, given the merchant and the source they chose.
+ *
+ * Its own function so the rule is testable and so the picker and anything that
+ * follows it cannot drift apart on it. Never returns a region: `getriders`
+ * scoped by city answers "who is on duty in Coimbatore", which for a merchant
+ * is 82 riders belonging to other companies.
+ */
+export function riderScope(input: {
+  tenantid: number;
+  partnerid: number;
+  source: 'own' | 'partner';
+}): { tenantid?: number | undefined; partnerid?: number | undefined } {
+  if (input.source === 'partner' && input.partnerid > 0) return { partnerid: input.partnerid };
+  return { tenantid: input.tenantid || undefined };
+}