Genesis

src/queries/category-list.js

@@ -0,0 +1,48 @@
+import sql from 'mssql';
+import { getPool } from '../db.js';
+import { CATEGORY_TREE_CTE, categoryTreeRequest, getRootCategoryId } from './category-tree.js';
+
+const LANGUAGE_ID = Number(process.env.LANGUAGE_ID) || 1;
+const IMAGE_PLATFORM_ID = Number(process.env.IMAGE_PLATFORM_ID) || 1;
+const IMAGE_SHOP_ID = Number(process.env.IMAGE_SHOP_ID) || 0;
+
+const CATEGORY_LIST_SQL = `
+${CATEGORY_TREE_CTE}
+SELECT TOP (@limit)
+  k.kKategorie AS id,
+  k.kOberKategorie AS pid,
+  k.nSort AS sort,
+  ks.cName AS name,
+  b.cHash AS imgHash,
+  CONVERT(BIGINT, k.bRowversion) AS lastChanged
+FROM dbo.tKategorie k
+INNER JOIN dbo.tKategorieSprache ks ON ks.kKategorie = k.kKategorie AND ks.kSprache = @languageId
+LEFT JOIN dbo.tKategoriebildPlattform kbp
+  ON kbp.kKategorie = k.kKategorie AND kbp.kPlattform = @imagePlatformId AND kbp.kShop = @imageShopId
+LEFT JOIN dbo.tBild b ON b.kBild = kbp.kBild
+WHERE k.kKategorie IN (SELECT kKategorie FROM CategoryTree WHERE kKategorie <> @rootCategoryId)
+  AND k.cAktiv = 'Y'
+  AND CONVERT(BIGINT, k.bRowversion) > @cursor
+ORDER BY lastChanged ASC;
+`;
+
+export async function getCategoryList({ cursor = 0, limit = 20, rootCategoryId = getRootCategoryId() } = {}) {
+  const result = await categoryTreeRequest(getPool(), rootCategoryId)
+    .input('cursor', sql.BigInt, cursor)
+    .input('limit', sql.Int, limit)
+    .input('languageId', sql.Int, LANGUAGE_ID)
+    .input('imagePlatformId', sql.Int, IMAGE_PLATFORM_ID)
+    .input('imageShopId', sql.Int, IMAGE_SHOP_ID)
+    .query(CATEGORY_LIST_SQL);
+
+  return result.recordset.map((row) => ({
+    _id: String(row.id),
+    imghash: row.imgHash ?? null,
+    imgsrc: row.imgHash ?? null,
+    name: row.name,
+    pid: String(row.pid),
+    discounts: [],
+    sort: String(row.sort),
+    lastChanged: String(row.lastChanged),
+  }));
+}