feat: Added WPP.catalog.getProductById function

src/catalog/functions/getProductById.ts

@@ -0,0 +1,41 @@
+/*!
+ * Copyright 2021 WPPConnect Team
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { assertGetProduct } from '../../assert';
+import { createWid } from '../../util';
+import { CatalogStore, ProductModel, UserPrefs } from '../../whatsapp';
+import { queryProduct } from '../../whatsapp/functions';
+
+/**
+ * Retrieves product by id
+ *
+ * @example
+ * ```javascript
+ * // Retrieve data of product
+ * await WPP.catalog.getProductById('5521985565656@c.us', '68685985868923');
+ * ```
+ *
+ * @category Catalog
+ */
+
+export async function getProductById(
+  chatId: string,
+  productId: number
+): Promise<ProductModel> {
+  let wid = createWid(chatId);
+  const { data } = await queryProduct(wid, productId);
+  return data;
+}