store user login

src/api/customers.ts

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+import { api, WEB } from './client';
+
+/**
+ * Customers, as one branch sees them.
+ *
+ * `gettenantcustomers` genuinely branches on `locationid`: with one it INNER
+ * JOINs `tenantcustomers` and returns only the people registered against that
+ * outlet; without one it returns the tenant's whole book. So this is one of the
+ * few reads where the branch scope is honoured server-side rather than by us.
+ *
+ * The pagination is the trap. The controller supplies NO defaults — a missing
+ * `pageno`/`pagesize` becomes `LIMIT 0 OFFSET 0`, which returns an empty list
+ * rather than an error, and reads on screen as "this shop has no customers".
+ * Both are therefore always sent from here, never left to the caller.
+ */
+export interface CustomerInfo {
+  customerid: number;
+  firstname?: string;
+  lastname?: string;
+  contactno?: string;
+  email?: string;
+  address?: string;
+  suburb?: string;
+  city?: string;
+  state?: string;
+  landmark?: string;
+  doorno?: string;
+  postcode?: string;
+  deliverylocationid?: number;
+  tenantlocationid?: number;
+  applocationid?: number;
+  status?: string;
+}
+
+export interface CustomerQuery {
+  tenantid: number;
+  /** Omit for the tenant's whole book. */
+  locationid?: number;
+  keyword?: string;
+  pageno?: number;
+  pagesize?: number;
+}
+
+export const customersApi = {
+  list: (query: CustomerQuery) =>
+    api.get<CustomerInfo[]>(`${WEB}/customers/gettenantcustomers`, {
+      tenantid: query.tenantid,
+      locationid: query.locationid,
+      keyword: query.keyword || undefined,
+      pageno: query.pageno ?? 1,
+      pagesize: query.pagesize ?? 100,
+    }),
+};
+
+/** A display name that never renders as an empty string. */
+export function customerName(customer: CustomerInfo): string {
+  const name = [customer.firstname, customer.lastname].filter(Boolean).join(' ').trim();
+  return name || customer.contactno || `Customer ${customer.customerid}`;
+}
+
+/**
+ * Where they are, in the shortest true form.
+ *
+ * Door numbers are dropped: "12B" tells a shopkeeper nothing, and the old
+ * console's fallback of "Coimbatore" for anyone without an address invented a
+ * locality for every record that had none.
+ */
+export function customerLocality(customer: CustomerInfo): string {
+  const parts = [customer.suburb, customer.city].filter(Boolean) as string[];
+  if (parts.length > 0) return parts.join(', ');
+  const address = (customer.address ?? '').split(',').map((part) => part.trim());
+  const meaningful = address.find((part) => part.length > 3 && !/^\d/.test(part));
+  return meaningful ?? '—';
+}