231 lines
8.1 KiB
JavaScript
231 lines
8.1 KiB
JavaScript
import { Boom } from '@hapi/boom';
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import { createHash } from 'crypto';
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import { createWriteStream, promises as fs } from 'fs';
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import { tmpdir } from 'os';
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import { join } from 'path';
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import { getBinaryNodeChild, getBinaryNodeChildren, getBinaryNodeChildString } from '../WABinary/index.js';
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import { generateMessageIDV2 } from './generics.js';
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import { getStream, getUrlFromDirectPath } from './messages-media.js';
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export const parseCatalogNode = (node) => {
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const catalogNode = getBinaryNodeChild(node, 'product_catalog');
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const products = getBinaryNodeChildren(catalogNode, 'product').map(parseProductNode);
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const paging = getBinaryNodeChild(catalogNode, 'paging');
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return {
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products,
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nextPageCursor: paging ? getBinaryNodeChildString(paging, 'after') : undefined
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};
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};
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export const parseCollectionsNode = (node) => {
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const collectionsNode = getBinaryNodeChild(node, 'collections');
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const collections = getBinaryNodeChildren(collectionsNode, 'collection').map(collectionNode => {
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const id = getBinaryNodeChildString(collectionNode, 'id');
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const name = getBinaryNodeChildString(collectionNode, 'name');
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const products = getBinaryNodeChildren(collectionNode, 'product').map(parseProductNode);
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return {
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id,
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name,
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products,
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status: parseStatusInfo(collectionNode)
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};
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});
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return {
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collections
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};
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};
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export const parseOrderDetailsNode = (node) => {
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const orderNode = getBinaryNodeChild(node, 'order');
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const products = getBinaryNodeChildren(orderNode, 'product').map(productNode => {
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const imageNode = getBinaryNodeChild(productNode, 'image');
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return {
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id: getBinaryNodeChildString(productNode, 'id'),
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name: getBinaryNodeChildString(productNode, 'name'),
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imageUrl: getBinaryNodeChildString(imageNode, 'url'),
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price: +getBinaryNodeChildString(productNode, 'price'),
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currency: getBinaryNodeChildString(productNode, 'currency'),
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quantity: +getBinaryNodeChildString(productNode, 'quantity')
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};
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});
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const priceNode = getBinaryNodeChild(orderNode, 'price');
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const orderDetails = {
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price: {
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total: +getBinaryNodeChildString(priceNode, 'total'),
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currency: getBinaryNodeChildString(priceNode, 'currency')
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},
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products
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};
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return orderDetails;
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};
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export const toProductNode = (productId, product) => {
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const attrs = {};
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const content = [];
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if (typeof productId !== 'undefined') {
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content.push({
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tag: 'id',
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attrs: {},
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content: Buffer.from(productId)
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});
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}
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if (typeof product.name !== 'undefined') {
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content.push({
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tag: 'name',
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attrs: {},
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content: Buffer.from(product.name)
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});
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}
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if (typeof product.description !== 'undefined') {
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content.push({
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tag: 'description',
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attrs: {},
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content: Buffer.from(product.description)
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});
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}
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if (typeof product.retailerId !== 'undefined') {
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content.push({
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tag: 'retailer_id',
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attrs: {},
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content: Buffer.from(product.retailerId)
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});
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}
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if (product.images.length) {
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content.push({
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tag: 'media',
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attrs: {},
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content: product.images.map(img => {
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if (!('url' in img)) {
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throw new Boom('Expected img for product to already be uploaded', { statusCode: 400 });
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}
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return {
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tag: 'image',
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attrs: {},
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content: [
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{
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tag: 'url',
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attrs: {},
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content: Buffer.from(img.url.toString())
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}
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]
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};
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})
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});
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}
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if (typeof product.price !== 'undefined') {
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content.push({
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tag: 'price',
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attrs: {},
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content: Buffer.from(product.price.toString())
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});
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}
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if (typeof product.currency !== 'undefined') {
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content.push({
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tag: 'currency',
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attrs: {},
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content: Buffer.from(product.currency)
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});
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}
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if ('originCountryCode' in product) {
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if (typeof product.originCountryCode === 'undefined') {
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attrs['compliance_category'] = 'COUNTRY_ORIGIN_EXEMPT';
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}
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else {
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content.push({
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tag: 'compliance_info',
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attrs: {},
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content: [
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{
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tag: 'country_code_origin',
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attrs: {},
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content: Buffer.from(product.originCountryCode)
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}
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]
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});
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}
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}
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if (typeof product.isHidden !== 'undefined') {
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attrs['is_hidden'] = product.isHidden.toString();
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}
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const node = {
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tag: 'product',
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attrs,
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content
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};
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return node;
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};
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export const parseProductNode = (productNode) => {
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const isHidden = productNode.attrs.is_hidden === 'true';
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const id = getBinaryNodeChildString(productNode, 'id');
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const mediaNode = getBinaryNodeChild(productNode, 'media');
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const statusInfoNode = getBinaryNodeChild(productNode, 'status_info');
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const product = {
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id,
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imageUrls: parseImageUrls(mediaNode),
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reviewStatus: {
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whatsapp: getBinaryNodeChildString(statusInfoNode, 'status')
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},
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availability: 'in stock',
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name: getBinaryNodeChildString(productNode, 'name'),
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retailerId: getBinaryNodeChildString(productNode, 'retailer_id'),
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url: getBinaryNodeChildString(productNode, 'url'),
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description: getBinaryNodeChildString(productNode, 'description'),
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price: +getBinaryNodeChildString(productNode, 'price'),
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currency: getBinaryNodeChildString(productNode, 'currency'),
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isHidden
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};
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return product;
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};
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/**
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* Uploads images not already uploaded to WA's servers
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*/
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export async function uploadingNecessaryImagesOfProduct(product, waUploadToServer, timeoutMs = 30000) {
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product = {
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...product,
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images: product.images
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? await uploadingNecessaryImages(product.images, waUploadToServer, timeoutMs)
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: product.images
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};
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return product;
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}
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/**
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* Uploads images not already uploaded to WA's servers
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*/
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export const uploadingNecessaryImages = async (images, waUploadToServer, timeoutMs = 30000) => {
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const results = await Promise.all(images.map(async (img) => {
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if ('url' in img) {
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const url = img.url.toString();
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if (url.includes('.whatsapp.net')) {
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return { url };
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}
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}
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const { stream } = await getStream(img);
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const hasher = createHash('sha256');
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const filePath = join(tmpdir(), 'img' + generateMessageIDV2());
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const encFileWriteStream = createWriteStream(filePath);
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for await (const block of stream) {
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hasher.update(block);
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encFileWriteStream.write(block);
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}
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const sha = hasher.digest('base64');
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const { directPath } = await waUploadToServer(filePath, {
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mediaType: 'product-catalog-image',
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fileEncSha256B64: sha,
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timeoutMs
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});
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await fs.unlink(filePath).catch(err => console.log('Error deleting temp file ', err));
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return { url: getUrlFromDirectPath(directPath) };
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}));
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return results;
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};
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const parseImageUrls = (mediaNode) => {
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const imgNode = getBinaryNodeChild(mediaNode, 'image');
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return {
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requested: getBinaryNodeChildString(imgNode, 'request_image_url'),
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original: getBinaryNodeChildString(imgNode, 'original_image_url')
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};
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};
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const parseStatusInfo = (mediaNode) => {
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const node = getBinaryNodeChild(mediaNode, 'status_info');
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return {
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status: getBinaryNodeChildString(node, 'status'),
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canAppeal: getBinaryNodeChildString(node, 'can_appeal') === 'true'
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};
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};
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//# sourceMappingURL=business.js.map
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