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elhumbertoz
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WhatsApp Catalog System Implementation

Overview

This PR implements a comprehensive catalog system for WhatsApp Web.js, allowing users to access and manage business catalogs, collections, and products. The implementation follows WhatsApp's native catalog structure while providing a clean and intuitive API.

Key Features

Catalog Management

  • Personal catalog access and management
  • External catalog retrieval from other businesses
  • Support for both personal and external catalog types
  • Automatic catalog type detection and handling

Collection System

  • Full collection management capabilities
  • Collection creation, retrieval, and modification
  • Support for collection metadata and product organization
  • Integration with WhatsApp's native collection system

Product Handling

  • Extended product information with catalog-specific fields
  • Product image sharing with detailed captions
  • Price formatting and currency support
  • Product metadata management

Client Integration

  • New getCatalog() method in Client class
  • Support for both personal and external catalogs
  • Automatic catalog type detection
  • Robust error handling with retry logic

Technical Implementation

New Classes

  • PersonalCatalog: Handles personal catalog operations
  • ExternalCatalog: Manages external business catalogs
  • Collection: Represents a product collection
  • Extended Product class with catalog-specific functionality

Core Functionality

  • Integration with WAWebCatalogCollection.CatalogCollection
  • Native WhatsApp catalog access
  • Product image sharing with formatted information
  • Comprehensive error handling

Example Implementation

Added catalog commands to example.js:

  • !catalog: Display personal catalog
  • !catalogof: Show external business catalog
  • !collections: List available collections

Testing

  • Added automatic catalog testing on client ready event
  • Implemented retry logic for catalog operations
  • Added error handling for various failure scenarios
  • Included fallback mechanisms for image sharing

Documentation

  • Updated Store.js and Utils.js with catalog-related utility functions
  • Added comprehensive code comments
  • Included example usage in example.js

Security

  • Proper error handling for unauthorized access
  • Safe fallback mechanisms
  • Input validation for all catalog operations

Performance

  • Optimized catalog retrieval
  • Efficient product image handling
  • Smart caching of catalog data

Breaking Changes

None. This is a purely additive feature that maintains backward compatibility.

Dependencies

No new external dependencies were added.

Testing Instructions

  1. Start the client
  2. Use !catalog to view personal catalog
  3. Use !catalogof <number> to view external catalog
  4. Use !collections to view available collections

Future Improvements

  • Add support for catalog creation
  • Implement catalog product modification
  • Add bulk product operations
  • Enhance collection management features

Checklist

  • Code follows project style guidelines
  • Documentation updated
  • Tests added/updated
  • No breaking changes
  • Error handling implemented
  • Example code provided

Added functionality to send read and delivery confirmations in parallel.

Integrated new methods to handle delivery confirmations.

Improved error handling in the confirmation sending process.
…js y Utils.js

Se realizaron ajustes en la indentación y el formato del código para mejorar la legibilidad. Se eliminaron líneas en blanco innecesarias y se unificó el estilo de las asignaciones de opciones en varias funciones.
Se ajustó la indentación y se eliminaron líneas en blanco innecesarias para optimizar la claridad del código. Se unificó el estilo de las asignaciones de opciones en la función de procesamiento de medios.
- Implement complete catalog system with PersonalCatalog and ExternalCatalog classes
- Add Collection class for managing product collections
- Extend Product class with catalog-specific fields and methods
- Add getCatalog() method to Client for retrieving business catalogs
- Integrate WAWebCatalogCollection.CatalogCollection for native WhatsApp catalog access
- Add catalog commands to example.js (!catalog, !catalogof, !collections)
- Implement product sharing via images with detailed captions
- Add robust error handling with retry logic for catalog operations
- Include automatic catalog testing on client ready event
- Update Store.js and Utils.js with catalog-related utility functions
- Add obfuscated folder to .gitignore

This implementation provides full catalog management capabilities including:
- Personal catalog access and management
- External catalog retrieval from other businesses
- Product collection organization
- Product image sharing with formatted information
- Comprehensive error handling and stability improvements
…example.js

- Implementar la detección y respuesta a mensajes citados que contienen información de productos.
- Extraer y enviar detalles del producto, incluyendo nombre, ID, descripción y precio.
- Manejar mensajes de pedidos citados con información detallada sobre el pedido y productos.
- Mejorar la gestión de errores al acceder a catálogos y enviar información de productos.
- Incluir lógica para enviar imágenes de productos si están disponibles.
Se eliminaron emojis de los mensajes y se ajustó el formato para una presentación más limpia y consistente. Se mejoró el manejo de errores y se optimizó la lógica de respuesta para mensajes citados, asegurando que la información del producto y del pedido se envíe de manera clara y concisa.
…os en example.js

- Implementar el comando '!resendmedia' para reenviar medios de mensajes citados.
- Agregar manejo específico para audio al reenviar medios.
- Incluir el comando '!isviewonce' para enviar medios como visualización única.
- Mejorar la presentación de mensajes de confirmación de pedidos, eliminando emojis y ajustando el formato para mayor claridad.
…os en example.js

- Implementar el comando '!resendmedia' para reenviar medios de mensajes citados.
- Agregar manejo específico para audio al reenviar medios.
- Incluir el comando '!isviewonce' para enviar medios como "ver una vez".
- Mejorar la presentación de mensajes de confirmación de pedidos, eliminando emojis y ajustando el formato para mayor claridad.
…ple.js

- Se eliminó la lógica de reintentos para la inicialización del cliente, simplificando el proceso de conexión.
- Se mejoró el manejo de eventos, asegurando que la información de carga y autenticación se registre correctamente.
- Se optimizó la gestión de eventos para el cliente, manteniendo la funcionalidad de mensajes y errores.
@elhumbertoz
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Catalog and Order Documentation - WhatsApp Web.js

Table of Contents

  1. Catalog Functionality
  2. Catalog Commands
  3. Order Functionality
  4. Product Handling
  5. Class Structure
  6. Usage Examples

Catalog Functionality

Overview

The catalog system allows access and display of WhatsApp Business products, both from personal catalogs and external catalogs from other businesses.

Main Features

  • Personal Catalog: Access to own products (business accounts only)
  • External Catalog: View products from other businesses
  • Collections: Organized product groupings
  • Product Images: Automatic download and sending of images
  • Detailed Information: Prices, descriptions, availability, etc.

Catalog Commands

1. !catalog - Personal Catalog

Description: Shows the user's personal catalog (business accounts only)

Functionality:

  • Gets products from personal catalog
  • Shows general catalog information
  • Sends product images with detailed information
  • Includes formatted prices and descriptions

Response Example:

*Catalog Info*
Type: Personal
Products: 15

• Product 1 - $25.00 USD
• Product 2 - $45.50 USD
• Product 3 - $12.99 USD
...and 12 more

Sending 15 products from catalog...
[Product images with information]

Catalog complete!
Successfully sent: 15 products

2. !catalogof <number> - External Catalog

Description: Shows the catalog of a specific business

Syntax: !catalogof 1234567890 or !catalogof 1234567890@c.us

Functionality:

  • Accesses external business catalog
  • Shows available products and collections
  • Sends first 3 product images
  • Includes source business information

Response Example:

*External Catalog Info*
Business: 1234567890@c.us
Products: 8
Collections: 2

• Classic Burger - $8.50 USD
• Pizza Margherita - $12.00 USD
• Coca Cola - $2.50 USD
...and 5 more

External Catalog Images:
[Product images with information]

3. !collections - Collections

Description: Lists all collections from the personal catalog

Functionality:

  • Gets organized collections from catalog
  • Shows product count per collection
  • Lists up to 5 main collections

Response Example:

*Catalog Collections*
Total: 3

• Food: 8 products
• Drinks: 5 products
• Desserts: 2 products

Order Functionality

Automatic Order Handling

The system automatically handles order type messages received by WhatsApp Business.

Order Features

  • Automatic Detection: Recognizes order messages automatically
  • Complete Information: Extracts product details, prices and totals
  • Automatic Confirmation: Sends confirmation message to customer
  • Error Handling: Includes fallback responses in case of error

Order Information Extracted

  • Order ID: Unique order identifier
  • Products: Detailed list with names, prices and quantities
  • Totals: Subtotal and order total
  • Currency: Currency used
  • Business Information: Establishment data

Order Confirmation Example

Thank you for your order! Your products will be ready soon.

*Order Details:*
• Order ID: ORD_123456789
• Business: My Restaurant
• Subtotal: $25.50 USD
• Total: $27.50 USD

*Products:*
1. Classic Burger
   Price: $8.50 USD
   Quantity: 2

2. Coca Cola
   Price: $2.50 USD
   Quantity: 1

We will process your order and notify you when it's ready for pickup/delivery.

Quoted Order Handling

When a user quotes an order message, the system:

  • Extracts information from quoted order
  • Shows complete product details
  • Provides order ID and totals

Product Handling

Quoted Products

When quoting a message containing a product:

Information Extracted:

  • Product ID
  • Name and description
  • Formatted price
  • Currency
  • Availability
  • Review status
  • Product URL
  • Product image

Functionality:

  • Access to business catalog
  • Specific product search
  • Image download from CDN
  • Complete information sending

Product Information Example

*Product Information*

*Name:* Classic Burger
*Product ID:* PROD_12345
*Description:* Delicious burger with meat, lettuce and tomato
*Business:* restaurant@c.us
*Price:* $8.50 USD
*Currency:* USD
*Availability:* in_stock
*Review Status:* approved
*Product URL:* https://business.whatsapp.com/product/...

[Product image with caption]

Class Structure

Catalog Class (Base)

class Catalog extends Base {
    constructor(client, data)
    _patch(data) // userid
}

PersonalCatalog Class

class PersonalCatalog extends Catalog {
    isMe = true
    async getProducts() // Gets own products
    async getCollections() // Gets own collections
}

ExternalCatalog Class

class ExternalCatalog extends Catalog {
    isMe = false
    async getProducts() // Gets external products
    async getCollections() // Gets external collections
}

Collection Class

class Collection extends Base {
    id: string
    name: string
    reviewStatus: string
    isHidden: boolean
    rejectReason: string
    
    async getProducts() // Collection products
}

Product Class

class Product extends Base {
    id: string
    name: string
    currency: string
    price: string
    
    async getFormattedPrice() // Formatted price
    async getData() // Complete metadata
    _initializeWithCatalogData(data) // Initialization
}

Order Class

class Order extends Base {
    products: Array<Product>
    subtotal: string
    total: string
    currency: string
    createdAt: number
}

Usage Examples

Get Personal Catalog

const catalog = await client.getCatalog(client.info.wid._serialized);
if (catalog && catalog.isMe) {
    const products = await catalog.getProducts();
    console.log(`Found ${products.length} products`);
}

Get External Catalog

const externalCatalog = await client.getCatalog('1234567890@c.us');
if (externalCatalog && !externalCatalog.isMe) {
    const products = await externalCatalog.getProducts();
    const collections = await externalCatalog.getCollections();
}

Handle Individual Product

const product = products[0];
const formattedPrice = await product.getFormattedPrice();
const metadata = await product.getData();

console.log(`${product.name} - ${formattedPrice}`);
if (metadata.imageCdnUrl) {
    const media = await MessageMedia.fromUrl(metadata.imageCdnUrl);
    await client.sendMessage(chatId, media, {
        caption: `*${product.name}*\nPrice: ${formattedPrice}`
    });
}

Process Received Order

client.on('message', async msg => {
    if (msg.type === 'order') {
        const order = await msg.getOrder();
        if (order) {
            console.log(`Order ID: ${msg.orderId}`);
            console.log(`Total: ${order.total} ${order.currency}`);
            console.log(`Products: ${order.products.length}`);
            
            // Send confirmation
            await msg.reply(`Order confirmed! Total: ${order.total} ${order.currency}`);
        }
    }
});

Get Collection Products

const collections = await catalog.getCollections();
for (const collection of collections) {
    const products = await collection.getProducts();
    console.log(`${collection.name}: ${products.length} products`);
}

Utility Functions

Functions in Utils.js

  • window.WWebJS.getMeCatalog(): Gets personal catalog
  • window.WWebJS.getCatalogProducts(userid): External catalog products
  • window.WWebJS.getCatalogCollections(userid): Catalog collections
  • window.WWebJS.getCollectionProducts(userid, collectionId): Specific collection products
  • window.WWebJS.getOrderDetail(orderId, token, chatId): Order details
  • window.WWebJS.discoverCatalog(userid): Discovers and loads catalog
  • window.WWebJS.isCatalogReady(): Checks if catalog is ready

Factory Pattern

// CatalogFactory.js
class CatalogFactory {
    static create(client, data) {
        if(data.isMe) {
            return new PersonalCatalog(client, data);
        }
        return new ExternalCatalog(client, data);
    }
}

Technical Considerations

Limitations

  • Business Accounts: Some functions only for WhatsApp Business
  • Rate Limiting: Delays between sends to avoid limits
  • Availability: External catalogs may not be available
  • Images: CDN URLs may occasionally fail

Error Handling

  • Automatic retries for network failures
  • Fallback messages when main functionality fails
  • Detailed logs for debugging
  • Data validation before processing

Performance

  • Asynchronous catalog loading
  • Cache for already consulted products
  • Batch processing for multiple products
  • Configurable timeouts for operations

Automatic Testing

The system includes automatic tests that run when initializing the client:

// Test catalog functionality automatically
console.log('Testing catalog functionality...');
try {
    const catalog = await client.getCatalog(myNumber);
    if (catalog) {
        const products = await catalog.getProducts();
        const collections = await catalog.getCollections();
        // ... additional tests
    }
} catch (error) {
    console.log(`Error testing catalog: ${error.message}`);
}

This documentation covers all implemented functionality for catalogs and orders in WhatsApp Web.js, providing practical examples and technical details for implementation and usage.

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@alechkos alechkos left a comment

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You are combining two PRs in one: Client.sendseen and Catalog.
They have to be in two separate PRs.
Also please revert all formatting changes.

@tuyuribr tuyuribr added the AI PR Not necessary a bad pr, must review with extra caution label Jun 10, 2025
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jca-ec commented Jun 10, 2025

You are combining two PRs in one: Client.sendseen and Catalog. They have to be in two separate PRs. Also please revert all formatting changes.

Thanks for the correction, the commit "feat: implement dual confirmation system in sendSeen" has been reverted.

@elhumbertoz elhumbertoz requested a review from alechkos June 10, 2025 17:47
@alechkos alechkos removed their request for review June 11, 2025 11:56
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