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src/queries/customer-count.js

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+import sql from 'mssql';
+import { isDemoMode } from '../demo/mode.js';
+import { getDemoCustomerCount } from '../demo/store.js';
+import { getPool } from '../db.js';
+import { getActiveShopId, getActiveShopSubshopId } from '../shop.js';
+
+const CUSTOMER_COUNT_SQL = `
+SELECT COUNT(DISTINCT k.kKunde) AS CustomerCount
+FROM dbo.tkunde k
+LEFT JOIN dbo.tInetKundeShop iks
+       ON iks.kKunde = k.kKunde
+      AND iks.kShop = @kShop
+      AND iks.kSubShop = @SubShopId
+WHERE k.kKundenGruppe = 1
+  AND (@kShop = 0 OR EXISTS (
+        SELECT 1 FROM dbo.tInetKundeShop x
+        WHERE x.kKunde = k.kKunde AND x.kShop = @kShop
+      ))
+  AND CONVERT(BIGINT, k.bRowversion) > @cursor;
+`;
+
+export async function getCustomerCount({ cursor = 0 } = {}) {
+  if (isDemoMode()) {
+    return getDemoCustomerCount({ cursor });
+  }
+
+  const result = await getPool()
+    .request()
+    .input('kShop', sql.Int, getActiveShopId())
+    .input('SubShopId', sql.Int, getActiveShopSubshopId())
+    .input('cursor', sql.BigInt, cursor)
+    .query(CUSTOMER_COUNT_SQL);
+
+  return result.recordset[0]?.CustomerCount ?? 0;
+}