feat: Added WPP.cart.add function

src/cart/functions/add.ts

@@ -0,0 +1,80 @@
+/*!
+ * Copyright 2024 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.
+ */
+
+/**
+ * Add product in cart
+ *
+ * @example
+ * ```javascript
+ * const cart = WPP.cart.add('[number]@c.us', [
+ *   { id: 'productId', qnt: 2 },
+ * ]);
+ * ```
+ *
+ * @category Cart
+ */
+
+import { getProductById } from '../../catalog';
+import { WPPError } from '../../util';
+import { CartModel, CartStore, ProductModel } from '../../whatsapp';
+import {
+  addProductToCart,
+  updateProductQuantityCart,
+} from '../../whatsapp/functions';
+
+export async function add(
+  chatId: string,
+  products: {
+    id: string;
+    qnt: number;
+  }[]
+): Promise<CartModel | undefined> {
+  if (!chatId || !products) {
+    throw new WPPError(
+      'send_required_params',
+      `For add item in cart send chatId and products array`
+    );
+  }
+  for (const product of products) {
+    const get = await getProductById(chatId, product.id as any);
+    if (get) {
+      const prod = new ProductModel({
+        id: get.id,
+        isHidden: get.is_hidden || false,
+        catalogWid: chatId,
+        url: get.url,
+        name: get.name,
+        description: get.description,
+        availability: get.availability,
+        maxAvailable: (get as any)?.maxAvailable,
+        reviewStatus: get?.capability_to_review_status[0].value,
+        currency: get.currency,
+        priceAmount1000: get.price,
+        salePriceAmount1000: null,
+        retailerId: get.retailer_id,
+        imageCount:
+          get.image_cdn_urls.length + get.additional_image_cdn_urls.length,
+        additionalImageCdnUrl: get.additional_image_cdn_urls,
+        additionalImageHashes: get.image_hashes_for_whatsapp,
+        imageCdnUrl: get.image_cdn_urls[0].value,
+        imageHash: get.image_hashes_for_whatsapp[0],
+      });
+      await addProductToCart(prod);
+      await updateProductQuantityCart(prod, product.qnt);
+    }
+  }
+  return CartStore.findCart(chatId);
+}

src/catalog/functions/getProductById.ts

@@ -15,7 +15,6 @@
  */
 
 import { createWid } from '../../util';
-import { ProductModel } from '../../whatsapp';
 import { queryProduct } from '../../whatsapp/functions';
 
 /**
@@ -33,7 +32,30 @@ import { queryProduct } from '../../whatsapp/functions';
 export async function getProductById(
   chatId: string,
   productId: number
-): Promise<ProductModel> {
+): Promise<{
+  id: string;
+  retailer_id: string;
+  name: string;
+  description: string;
+  url: string;
+  currency: string;
+  price: string;
+  is_hidden: boolean;
+  max_available: number;
+  availability: string;
+  checkmark: boolean;
+  image_hashes_for_whatsapp: string[];
+  image_cdn_urls: {
+    key: 'requested' | 'full';
+    value: string;
+  }[];
+  additional_image_cdn_urls: any[];
+  whatsapp_product_can_appeal: boolean;
+  capability_to_review_status: {
+    key: 'WHATSAPP';
+    value: 'APPROVED';
+  }[];
+}> {
   const wid = createWid(chatId);
   const { data } = await queryProduct(wid, productId);
   return data;