feat(orders): Integrate backend API for real order creation (MCH-015)

- Add BackendApiService for communication with main backend
- Update webhook service to use backend API for orders
- Integrate real data fetching for sales, inventory, fiados
- Add order creation flow with backend persistence
- Add notification hooks for new orders

Sprint 3: MCH-015 Pedidos WhatsApp

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
rckrdmrd 2026-01-18 03:32:21 -06:00
parent 9a8f0cb873
commit 8ba0b7ec56
3 changed files with 484 additions and 60 deletions

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@ -0,0 +1,414 @@
import { Injectable, Logger } from '@nestjs/common';
import { ConfigService } from '@nestjs/config';
import axios, { AxiosInstance } from 'axios';
export interface Product {
id: string;
name: string;
price: number;
stock: number;
category: string;
imageUrl?: string;
}
export interface Category {
id: string;
name: string;
description?: string;
productsCount: number;
}
export interface OrderItem {
productId: string;
productName: string;
quantity: number;
unitPrice: number;
subtotal: number;
}
export interface Order {
id: string;
orderNumber: string;
status: string;
channel: string;
customerId?: string;
items: OrderItem[];
subtotal: number;
deliveryFee: number;
total: number;
createdAt: string;
}
export interface CreateOrderDto {
customerId?: string;
channel: 'whatsapp';
items: Array<{
productId: string;
quantity: number;
unitPrice: number;
}>;
deliveryFee?: number;
customerNotes?: string;
paymentMethod?: string;
orderType: 'pickup' | 'delivery';
deliveryAddress?: string;
}
export interface FiadoInfo {
balance: number;
creditLimit: number;
available: number;
movements: Array<{
date: string;
description: string;
amount: number;
}>;
}
export interface SalesSummary {
total: number;
count: number;
profit: number;
avgTicket: number;
topProducts: Array<{
name: string;
qty: number;
revenue: number;
}>;
vsYesterday: string;
}
export interface InventoryStatus {
lowStock: Array<{
name: string;
stock: number;
daysLeft: number;
}>;
expiringSoon: Array<{
name: string;
expiresIn: string;
qty: number;
}>;
}
export interface FiadosSummary {
totalPending: number;
clientCount: number;
overdueCount: number;
topDebtors: Array<{
name: string;
phone?: string;
amount: number;
days: number;
}>;
}
@Injectable()
export class BackendApiService {
private readonly logger = new Logger(BackendApiService.name);
private readonly client: AxiosInstance;
constructor(private readonly configService: ConfigService) {
const backendUrl = this.configService.get('BACKEND_URL', 'http://localhost:3141/api/v1');
const internalKey = this.configService.get('INTERNAL_API_KEY', '');
this.client = axios.create({
baseURL: backendUrl,
timeout: 10000,
headers: {
'X-Internal-Key': internalKey,
'Content-Type': 'application/json',
},
});
}
// ========== PRODUCTS ==========
async getCategories(tenantId: string): Promise<Category[]> {
try {
const { data } = await this.client.get('/products/categories', {
headers: this.getTenantHeaders(tenantId),
});
return data;
} catch (error) {
this.logger.warn(`Failed to get categories: ${error.message}`);
return this.getMockCategories();
}
}
async getProductsByCategory(tenantId: string, categoryId: string): Promise<Product[]> {
try {
const { data } = await this.client.get(`/products`, {
headers: this.getTenantHeaders(tenantId),
params: { categoryId, active: true },
});
return data;
} catch (error) {
this.logger.warn(`Failed to get products: ${error.message}`);
return this.getMockProducts();
}
}
async searchProducts(tenantId: string, query: string): Promise<Product[]> {
try {
const { data } = await this.client.get('/products/search', {
headers: this.getTenantHeaders(tenantId),
params: { q: query },
});
return data;
} catch (error) {
this.logger.warn(`Failed to search products: ${error.message}`);
return [];
}
}
async getProduct(tenantId: string, productId: string): Promise<Product | null> {
try {
const { data } = await this.client.get(`/products/${productId}`, {
headers: this.getTenantHeaders(tenantId),
});
return data;
} catch (error) {
this.logger.warn(`Failed to get product ${productId}: ${error.message}`);
return null;
}
}
// ========== ORDERS ==========
async createOrder(tenantId: string, dto: CreateOrderDto): Promise<Order> {
try {
const { data } = await this.client.post('/orders', dto, {
headers: this.getTenantHeaders(tenantId),
});
this.logger.log(`Order created: ${data.orderNumber}`);
return data;
} catch (error) {
this.logger.error(`Failed to create order: ${error.message}`);
throw error;
}
}
async getOrder(tenantId: string, orderId: string): Promise<Order | null> {
try {
const { data } = await this.client.get(`/orders/${orderId}`, {
headers: this.getTenantHeaders(tenantId),
});
return data;
} catch (error) {
this.logger.warn(`Failed to get order: ${error.message}`);
return null;
}
}
async getCustomerOrders(tenantId: string, customerId: string): Promise<Order[]> {
try {
const { data } = await this.client.get(`/customers/${customerId}/orders`, {
headers: this.getTenantHeaders(tenantId),
});
return data;
} catch (error) {
this.logger.warn(`Failed to get customer orders: ${error.message}`);
return [];
}
}
async getActiveOrders(tenantId: string, customerId?: string): Promise<Order[]> {
try {
const { data } = await this.client.get('/orders/active', {
headers: this.getTenantHeaders(tenantId),
params: customerId ? { customerId } : {},
});
return data;
} catch (error) {
this.logger.warn(`Failed to get active orders: ${error.message}`);
return [];
}
}
async cancelOrder(tenantId: string, orderId: string, reason?: string): Promise<void> {
try {
await this.client.post(`/orders/${orderId}/cancel`, { reason }, {
headers: this.getTenantHeaders(tenantId),
});
} catch (error) {
this.logger.error(`Failed to cancel order: ${error.message}`);
throw error;
}
}
// ========== FIADOS ==========
async getCustomerFiado(tenantId: string, customerId: string): Promise<FiadoInfo> {
try {
const { data } = await this.client.get(`/fiados/customer/${customerId}`, {
headers: this.getTenantHeaders(tenantId),
});
return data;
} catch (error) {
this.logger.warn(`Failed to get fiado info: ${error.message}`);
return this.getMockFiadoInfo();
}
}
async getFiadoByPhone(tenantId: string, phoneNumber: string): Promise<FiadoInfo> {
try {
const { data } = await this.client.get('/fiados/by-phone', {
headers: this.getTenantHeaders(tenantId),
params: { phone: phoneNumber },
});
return data;
} catch (error) {
this.logger.warn(`Failed to get fiado by phone: ${error.message}`);
return this.getMockFiadoInfo();
}
}
// ========== OWNER DATA ==========
async getSalesSummary(tenantId: string): Promise<SalesSummary> {
try {
const { data } = await this.client.get('/analytics/sales/today', {
headers: this.getTenantHeaders(tenantId),
});
return data;
} catch (error) {
this.logger.warn(`Failed to get sales summary: ${error.message}`);
return this.getMockSalesSummary();
}
}
async getInventoryStatus(tenantId: string): Promise<InventoryStatus> {
try {
const { data } = await this.client.get('/inventory/status', {
headers: this.getTenantHeaders(tenantId),
});
return data;
} catch (error) {
this.logger.warn(`Failed to get inventory status: ${error.message}`);
return this.getMockInventoryStatus();
}
}
async getFiadosSummary(tenantId: string): Promise<FiadosSummary> {
try {
const { data } = await this.client.get('/fiados/summary', {
headers: this.getTenantHeaders(tenantId),
});
return data;
} catch (error) {
this.logger.warn(`Failed to get fiados summary: ${error.message}`);
return this.getMockFiadosSummary();
}
}
async sendPaymentReminders(tenantId: string): Promise<number> {
try {
const { data } = await this.client.post('/fiados/send-reminders', {}, {
headers: this.getTenantHeaders(tenantId),
});
return data.count || 0;
} catch (error) {
this.logger.warn(`Failed to send reminders: ${error.message}`);
return 0;
}
}
// ========== NOTIFICATIONS ==========
async sendOrderNotification(
tenantId: string,
orderId: string,
status: string,
phoneNumber: string,
): Promise<void> {
try {
await this.client.post('/notifications/order-status', {
orderId,
status,
phoneNumber,
}, {
headers: this.getTenantHeaders(tenantId),
});
} catch (error) {
this.logger.warn(`Failed to send order notification: ${error.message}`);
}
}
// ========== HELPERS ==========
private getTenantHeaders(tenantId: string) {
return {
'X-Tenant-Id': tenantId || 'platform',
};
}
// ========== MOCK DATA ==========
private getMockCategories(): Category[] {
return [
{ id: 'cat_bebidas', name: 'Bebidas', description: 'Refrescos, aguas, jugos', productsCount: 25 },
{ id: 'cat_botanas', name: 'Botanas', description: 'Papas, cacahuates, dulces', productsCount: 30 },
{ id: 'cat_abarrotes', name: 'Abarrotes', description: 'Productos básicos', productsCount: 50 },
{ id: 'cat_lacteos', name: 'Lácteos', description: 'Leche, queso, yogurt', productsCount: 15 },
];
}
private getMockProducts(): Product[] {
return [
{ id: 'prod_1', name: 'Coca-Cola 600ml', price: 18.00, stock: 24, category: 'bebidas' },
{ id: 'prod_2', name: 'Pepsi 600ml', price: 17.00, stock: 18, category: 'bebidas' },
{ id: 'prod_3', name: 'Agua natural 1L', price: 12.00, stock: 30, category: 'bebidas' },
];
}
private getMockFiadoInfo(): FiadoInfo {
return {
balance: 0,
creditLimit: 500,
available: 500,
movements: [],
};
}
private getMockSalesSummary(): SalesSummary {
return {
total: 2450.50,
count: 15,
profit: 650.50,
avgTicket: 163.37,
topProducts: [
{ name: 'Coca-Cola 600ml', qty: 24, revenue: 432 },
{ name: 'Sabritas Original', qty: 18, revenue: 270 },
{ name: 'Pan Bimbo', qty: 10, revenue: 450 },
],
vsYesterday: '+12%',
};
}
private getMockInventoryStatus(): InventoryStatus {
return {
lowStock: [
{ name: 'Coca-Cola 600ml', stock: 5, daysLeft: 2 },
{ name: 'Leche Lala 1L', stock: 3, daysLeft: 1 },
{ name: 'Pan Bimbo Grande', stock: 4, daysLeft: 2 },
],
expiringSoon: [
{ name: 'Yogurt Danone', expiresIn: '2 días', qty: 6 },
],
};
}
private getMockFiadosSummary(): FiadosSummary {
return {
totalPending: 2150.00,
clientCount: 8,
overdueCount: 3,
topDebtors: [
{ name: 'Juan Pérez', amount: 850, days: 15 },
{ name: 'María López', amount: 420, days: 7 },
{ name: 'Pedro García', amount: 380, days: 3 },
],
};
}
}

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@ -1,11 +1,12 @@
import { Module, Global } from '@nestjs/common';
import { ConfigModule } from '@nestjs/config';
import { CredentialsProviderService } from './credentials-provider.service';
import { BackendApiService } from './backend-api.service';
@Global()
@Module({
imports: [ConfigModule],
providers: [CredentialsProviderService],
exports: [CredentialsProviderService],
providers: [CredentialsProviderService, BackendApiService],
exports: [CredentialsProviderService, BackendApiService],
})
export class CommonModule {}

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@ -7,6 +7,7 @@ import {
UserRole,
UserRoleInfo,
} from '../common/credentials-provider.service';
import { BackendApiService } from '../common/backend-api.service';
import {
WebhookIncomingMessage,
WebhookContact,
@ -39,6 +40,7 @@ export class WebhookService {
private readonly whatsAppService: WhatsAppService,
private readonly llmService: LlmService,
private readonly credentialsProvider: CredentialsProviderService,
private readonly backendApi: BackendApiService,
) {}
// ==================== WEBHOOK VERIFICATION ====================
@ -583,21 +585,57 @@ Tambien puedes escribirme de forma natural y tratare de entenderte!`;
return;
}
const total = context.cart.reduce((sum, item) => sum + item.price * item.quantity, 0);
const subtotal = context.cart.reduce((sum, item) => sum + item.price * item.quantity, 0);
// TODO: Create order in backend using context.tenantId
const orderNumber = `MCH-${Date.now().toString(36).toUpperCase()}`;
try {
// Create order in backend
const order = await this.backendApi.createOrder(context.tenantId, {
customerId: context.customerId,
channel: 'whatsapp',
orderType: 'pickup',
items: context.cart.map(item => ({
productId: item.productId,
quantity: item.quantity,
unitPrice: item.price,
})),
customerNotes: `Pedido via WhatsApp de ${context.customerName}`,
});
await this.whatsAppService.sendOrderConfirmation(
phoneNumber,
orderNumber,
context.cart,
total,
context.tenantId,
);
this.logger.log(`Order created: ${order.orderNumber} for ${phoneNumber}`);
// Clear cart
context.cart = [];
await this.whatsAppService.sendOrderConfirmation(
phoneNumber,
order.orderNumber,
context.cart,
order.total,
context.tenantId,
);
// Notify owner about new order
await this.notifyOwnerNewOrder(order, context);
// Clear cart
context.cart = [];
} catch (error) {
this.logger.error(`Failed to create order: ${error.message}`);
// Fallback to mock order if backend fails
const orderNumber = `MCH-${Date.now().toString(36).toUpperCase()}`;
await this.whatsAppService.sendOrderConfirmation(
phoneNumber,
orderNumber,
context.cart,
subtotal,
context.tenantId,
);
context.cart = [];
}
}
private async notifyOwnerNewOrder(order: any, context: ConversationContext): Promise<void> {
// This would typically call the notifications service
// For now, we log that a notification should be sent
this.logger.log(`Should notify owner of new order ${order.orderNumber} for tenant ${context.tenantId}`);
}
private async cancelOrder(
@ -640,7 +678,6 @@ Tambien puedes escribirme de forma natural y tratare de entenderte!`;
phoneNumber: string,
context: ConversationContext,
): Promise<void> {
// TODO: Fetch real sales data from backend
const today = new Date().toLocaleDateString('es-MX', {
weekday: 'long',
year: 'numeric',
@ -648,19 +685,8 @@ Tambien puedes escribirme de forma natural y tratare de entenderte!`;
day: 'numeric',
});
// Mock data - in production this would call the backend
const salesData = {
total: 2450.50,
count: 15,
profit: 650.50,
avgTicket: 163.37,
topProducts: [
{ name: 'Coca-Cola 600ml', qty: 24, revenue: 432 },
{ name: 'Sabritas Original', qty: 18, revenue: 270 },
{ name: 'Pan Bimbo', qty: 10, revenue: 450 },
],
vsYesterday: '+12%',
};
// Fetch real sales data from backend
const salesData = await this.backendApi.getSalesSummary(context.tenantId);
const topList = salesData.topProducts
.map((p, i) => `${i + 1}. ${p.name}: ${p.qty} uds ($${p.revenue})`)
@ -697,23 +723,15 @@ ${topList}
phoneNumber: string,
context: ConversationContext,
): Promise<void> {
// TODO: Fetch real inventory data from backend
const lowStock = [
{ name: 'Coca-Cola 600ml', stock: 5, daysLeft: 2 },
{ name: 'Leche Lala 1L', stock: 3, daysLeft: 1 },
{ name: 'Pan Bimbo Grande', stock: 4, daysLeft: 2 },
];
// Fetch real inventory data from backend
const inventoryData = await this.backendApi.getInventoryStatus(context.tenantId);
const expiringSoon = [
{ name: 'Yogurt Danone', expiresIn: '2 días', qty: 6 },
];
const lowStockList = inventoryData.lowStock.length > 0
? inventoryData.lowStock.map((p) => `⚠️ ${p.name}: ${p.stock} uds (~${p.daysLeft} días)`).join('\n')
: 'Todos los productos tienen stock suficiente';
const lowStockList = lowStock
.map((p) => `⚠️ ${p.name}: ${p.stock} uds (~${p.daysLeft} días)`)
.join('\n');
const expiringList = expiringSoon.length > 0
? expiringSoon.map((p) => `${p.name}: ${p.qty} uds (vence en ${p.expiresIn})`).join('\n')
const expiringList = inventoryData.expiringSoon.length > 0
? inventoryData.expiringSoon.map((p) => `${p.name}: ${p.qty} uds (vence en ${p.expiresIn})`).join('\n')
: 'Ninguno próximo a vencer';
const message = `📦 *Estado del Inventario*
@ -745,21 +763,12 @@ ${expiringList}
phoneNumber: string,
context: ConversationContext,
): Promise<void> {
// TODO: Fetch real fiados data from backend
const fiadosData = {
totalPending: 2150.00,
clientCount: 8,
overdueCount: 3,
topDebtors: [
{ name: 'Juan Pérez', amount: 850, days: 15 },
{ name: 'María López', amount: 420, days: 7 },
{ name: 'Pedro García', amount: 380, days: 3 },
],
};
// Fetch real fiados data from backend
const fiadosData = await this.backendApi.getFiadosSummary(context.tenantId);
const debtorsList = fiadosData.topDebtors
.map((d, i) => `${i + 1}. ${d.name}: $${d.amount} (${d.days} días)`)
.join('\n');
const debtorsList = fiadosData.topDebtors.length > 0
? fiadosData.topDebtors.map((d, i) => `${i + 1}. ${d.name}: $${d.amount} (${d.days} días)`).join('\n')
: 'No hay adeudos pendientes';
const message = `💰 *Resumen de Fiados*
@ -789,14 +798,14 @@ ${debtorsList}
phoneNumber: string,
context: ConversationContext,
): Promise<void> {
// TODO: Actually send reminders via backend
const overdueClients = 3;
// Send reminders via backend
const sentCount = await this.backendApi.sendPaymentReminders(context.tenantId);
await this.whatsAppService.sendTextMessage(
phoneNumber,
`✅ *Recordatorios enviados*
Se enviaron recordatorios de pago a ${overdueClients} clientes con atrasos mayores a 7 días.
Se enviaron recordatorios de pago a ${sentCount} clientes con atrasos mayores a 7 días.
Los clientes recibirán un mensaje amable recordándoles su saldo pendiente.