Genesis

src/queries/category-tree.js

@@ -0,0 +1,18 @@
+import sql from 'mssql';
+
+export const CATEGORY_TREE_CTE = `
+WITH CategoryTree AS (
+    SELECT kKategorie FROM dbo.tKategorie WHERE kKategorie = @rootCategoryId
+    UNION ALL
+    SELECT t.kKategorie
+    FROM dbo.tKategorie t
+    INNER JOIN CategoryTree ct ON t.kOberKategorie = ct.kKategorie
+)`;
+
+export function getRootCategoryId() {
+  return Number(process.env.ROOT_CATEGORY_ID) || 1;
+}
+
+export function categoryTreeRequest(pool, rootCategoryId = getRootCategoryId()) {
+  return pool.request().input('rootCategoryId', sql.Int, rootCategoryId);
+}