enh

apps/backend/src/lib/init.ts

@@ -1,11 +1,13 @@
 import './notif-job';
 import { initializeAllStores } from '../stores/store-initializer';
+import { startOrderHandler, publishOrder } from './post-order-handler';
 
 /**
  * Initialize all application services
  * This function handles initialization of:
  * - Role Manager (fetches and caches all roles)
  * - Const Store (syncs constants from DB to Redis)
+ * - Post Order Handler (Redis Pub/Sub subscriber)
  * - Other services can be added here in the future
  */
 export const initFunc = async (): Promise<void> => {
@@ -18,6 +20,25 @@ export const initFunc = async (): Promise<void> => {
     // Notification queue and worker are initialized via import
     console.log('Notification queue and worker initialized');
 
+    // Start post order handler (Redis Pub/Sub subscriber)
+    await startOrderHandler();
+
+    // Wait a moment for subscription to be ready, then publish demo order
+    // setTimeout(async () => {
+    //   console.log('Publishing demo order for testing...');
+    //   await publishOrder({
+    //     orders: [{
+    //       deliveryTime: new Date(Date.now() + 24 * 60 * 60 * 1000).toISOString(), // Tomorrow
+    //       orderPlaceTime: new Date().toISOString(),
+    //       totalAmount: 550,
+    //       orderItems: [
+    //         { productName: "Chicken Breast", quantity: 2 },
+    //         { productName: "Mutton Curry Cut", quantity: 1 },
+    //       ],
+    //     }],
+    //   });
+    // }, 20000);
+
     console.log('Application initialization completed successfully');
   } catch (error) {
     console.error('Application initialization failed:', error);

apps/backend/src/lib/post-order-handler.ts

@@ -0,0 +1,146 @@
+import redisClient from './redis-client';
+import { sendTelegramMessage } from './telegram-service';
+
+const ORDER_CHANNEL = 'orders:placed';
+
+interface SimplifiedOrderItem {
+  productName: string;
+  quantity: number;
+}
+
+interface SimplifiedOrder {
+  deliveryTime: string;
+  orderPlaceTime: string;
+  totalAmount: number;
+  orderItems: SimplifiedOrderItem[];
+}
+
+interface FormattedOrderData {
+  orders: SimplifiedOrder[];
+}
+
+/**
+ * Format order details for Telegram message
+ * @param orderData The order data to format
+ * @returns Formatted message string
+ */
+const formatOrderMessage = (orderData: FormattedOrderData): string => {
+  let message = '🛒 <b>New Order Placed</b>\n\n';
+  
+  orderData.orders.forEach((order, index) => {
+    if (orderData.orders.length > 1) {
+      message += `<b>Order ${index + 1}</b>\n`;
+    }
+    
+    message += '📦 <b>Items:</b>\n';
+    order.orderItems.forEach(item => {
+      message += `  • ${item.productName} x${item.quantity}\n`;
+    });
+    
+    message += `\n💰 <b>Total:</b> ₹${order.totalAmount}\n`;
+    message += `🚚 <b>Delivery:</b> ${new Date(order.deliveryTime).toLocaleString()}\n`;
+    message += `⏰ <b>Ordered:</b> ${new Date(order.orderPlaceTime).toLocaleString()}\n`;
+    
+    if (index < orderData.orders.length - 1) {
+      message += '\n---\n\n';
+    }
+  });
+  
+  return message;
+};
+
+/**
+ * Start the post order handler
+ * Subscribes to the orders:placed channel and sends to Telegram
+ */
+export const startOrderHandler = async (): Promise<void> => {
+  try {
+    console.log('Starting post order handler...');
+    
+    await redisClient.subscribe(ORDER_CHANNEL, async (message: string) => {
+      try {
+        const orderDetails = JSON.parse(message);
+        console.log('New order received, sending to Telegram...');
+        
+        const telegramMessage = formatOrderMessage(orderDetails);
+        await sendTelegramMessage(telegramMessage);
+      } catch (error) {
+        console.error('Failed to process order message:', error);
+        // Still try to send raw message to Telegram if parsing fails
+        await sendTelegramMessage(`⚠️ Error parsing order: ${message}`);
+      }
+    });
+    
+    console.log('Post order handler started successfully');
+  } catch (error) {
+    console.error('Failed to start post order handler:', error);
+    throw error;
+  }
+};
+
+/**
+ * Stop the post order handler
+ */
+export const stopOrderHandler = async (): Promise<void> => {
+  try {
+    await redisClient.unsubscribe(ORDER_CHANNEL);
+    console.log('Post order handler stopped');
+  } catch (error) {
+    console.error('Error stopping post order handler:', error);
+  }
+};
+
+/**
+ * Publish order details to the queue
+ * @param orderDetails Full order details to publish
+ */
+export const publishOrder = async (orderDetails: FormattedOrderData): Promise<boolean> => {
+  try {
+    const message = JSON.stringify(orderDetails);
+    await redisClient.publish(ORDER_CHANNEL, message);
+    return true;
+  } catch (error) {
+    console.error('Failed to publish order:', error);
+    return false;
+  }
+};
+
+/**
+ * Mould raw order data into simplified format and publish
+ * @param createdOrders Array of created orders from the database
+ * @param ordersBySlot Map of slotId to items with product info
+ * @returns Promise<boolean> indicating success or failure
+ */
+export const publishFormattedOrder = async (
+  createdOrders: any[],
+  ordersBySlot: Map<number | null, any[]>
+): Promise<boolean> => {
+  try {
+    const simplifiedOrders: SimplifiedOrder[] = createdOrders.map(order => {
+      // Get items for this order from ordersBySlot
+      const slotItems = ordersBySlot.get(order.slotId) || [];
+      
+      // Map items to simplified format
+      const orderItems: SimplifiedOrderItem[] = slotItems.map(item => ({
+        productName: item.product?.name || 'Unknown Product',
+        quantity: item.quantity,
+      }));
+
+      return {
+        deliveryTime: order.slot?.deliveryTime?.toISOString() || order.deliveryDate?.toISOString() || new Date().toISOString(),
+        orderPlaceTime: order.createdAt?.toISOString() || new Date().toISOString(),
+        totalAmount: parseFloat(order.totalAmount?.toString() || '0'),
+        orderItems,
+      };
+    });
+
+    const formattedData: FormattedOrderData = {
+      orders: simplifiedOrders,
+    };
+
+    return await publishOrder(formattedData);
+  } catch (error) {
+    console.error('Failed to format and publish order:', error);
+    return false;
+  }
+};

apps/backend/src/lib/redis-client.ts

@@ -3,6 +3,7 @@ import { redisUrl } from './env-exporter';
 
 class RedisClient {
   private client: RedisClientType;
+  private subscriberClient: RedisClientType | null = null;
   private isConnected: boolean = false;
 
   constructor() {
@@ -71,10 +72,48 @@ class RedisClient {
     return await this.client.MGET(keys);
   }
 
+  // Publish message to a channel
+  async publish(channel: string, message: string): Promise<number> {
+    return await this.client.publish(channel, message);
+  }
+
+  // Subscribe to a channel with callback
+  async subscribe(channel: string, callback: (message: string) => void): Promise<void> {
+    if (!this.subscriberClient) {
+      this.subscriberClient = createClient({
+        url: redisUrl,
+      });
+
+      this.subscriberClient.on('error', (err) => {
+        console.error('Redis Subscriber Error:', err);
+      });
+
+      this.subscriberClient.on('connect', () => {
+        console.log('Redis Subscriber Connected');
+      });
+
+      await this.subscriberClient.connect();
+    }
+
+    await this.subscriberClient.subscribe(channel, callback);
+    console.log(`Subscribed to channel: ${channel}`);
+  }
+
+  // Unsubscribe from a channel
+  async unsubscribe(channel: string): Promise<void> {
+    if (this.subscriberClient) {
+      await this.subscriberClient.unsubscribe(channel);
+      console.log(`Unsubscribed from channel: ${channel}`);
+    }
+  }
+
   disconnect(): void {
     if (this.isConnected) {
       this.client.disconnect();
     }
+    if (this.subscriberClient) {
+      this.subscriberClient.disconnect();
+    }
   }
 
   get isClientConnected(): boolean {

apps/backend/src/lib/telegram-service.ts

@@ -0,0 +1,44 @@
+import axios from 'axios';
+
+const BOT_TOKEN = '8410461852:AAGXQCwRPFbndqwTgLJh8kYxST4Z0vgh72U';
+// const CHAT_IDS = ['5147700658', '-5075171894'];
+const CHAT_IDS = [ '-5075171894'];
+const TELEGRAM_API_URL = `https://api.telegram.org/bot${BOT_TOKEN}`;
+
+/**
+ * Send a message to Telegram bot
+ * @param message The message text to send
+ * @returns Promise<boolean> indicating success or failure
+ */
+export const sendTelegramMessage = async (message: string): Promise<boolean> => {
+  try {
+    const results = await Promise.all(
+      CHAT_IDS.map(async (chatId) => {
+        try {
+          const response = await axios.post(`${TELEGRAM_API_URL}/sendMessage`, {
+            chat_id: chatId,
+            text: message,
+            parse_mode: 'HTML',
+          });
+
+          if (response.data && response.data.ok) {
+            console.log(`Telegram message sent successfully to ${chatId}`);
+            return true;
+          } else {
+            console.error(`Telegram API error for ${chatId}:`, response.data);
+            return false;
+          }
+        } catch (error) {
+          console.error(`Failed to send Telegram message to ${chatId}:`, error);
+          return false;
+        }
+      })
+    );
+
+    // Return true if at least one message was sent successfully
+    return results.some((result) => result);
+  } catch (error) {
+    console.error('Failed to send Telegram message:', error);
+    return false;
+  }
+};

apps/backend/src/trpc/user-apis/order.ts

@@ -26,6 +26,7 @@ import {
 import { RazorpayPaymentService } from "../../lib/payments-utils";
 import { getNextDeliveryDate } from "../common-apis/common";
 import { CONST_KEYS, getConstant, getConstants } from "../../lib/const-store";
+import { publishFormattedOrder } from "../../lib/post-order-handler";
 
 
 const validateAndGetCoupon = async (
@@ -365,6 +366,9 @@ const placeOrderUtil = async (params: {
     sendOrderPlacedNotification(userId, order.id.toString());
   }
 
+  // Publish order details to Redis Pub/Sub
+  await publishFormattedOrder(createdOrders, ordersBySlot);
+
   return { success: true, data: createdOrders };
 };
 

packages/ui/index.ts

@@ -63,8 +63,8 @@ const isDevMode = Constants.executionEnvironment !== "standalone";
 // const BASE_API_URL = API_URL;
 // const BASE_API_URL = 'http://10.0.2.2:4000';
 // const BASE_API_URL = 'http://192.168.100.101:4000';
-const BASE_API_URL = 'http://192.168.1.7:4000';
-// let BASE_API_URL = "https://mf.freshyo.in";
+// const BASE_API_URL = 'http://192.168.1.7:4000';
+let BASE_API_URL = "https://mf.freshyo.in";
   //  let BASE_API_URL = 'http://192.168.100.103:4000';
   //  let BASE_API_URL = 'http://192.168.29.176:4000';