Genesis

src/queries/category-count.js

@@ -0,0 +1,18 @@
+import sql from 'mssql';
+import { getPool } from '../db.js';
+import { CATEGORY_TREE_CTE, categoryTreeRequest, getRootCategoryId } from './category-tree.js';
+
+const CATEGORY_COUNT_SQL = `
+${CATEGORY_TREE_CTE}
+SELECT COUNT(*) AS CategoryCount
+FROM dbo.tKategorie k
+WHERE k.kKategorie IN (SELECT kKategorie FROM CategoryTree)
+  AND CONVERT(BIGINT, k.bRowversion) > @cursor;
+`;
+
+export async function getCategoryCount({ cursor = 0, rootCategoryId = getRootCategoryId() } = {}) {
+  const result = await categoryTreeRequest(getPool(), rootCategoryId)
+    .input('cursor', sql.BigInt, cursor)
+    .query(CATEGORY_COUNT_SQL);
+  return result.recordset[0]?.CategoryCount ?? 0;
+}