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Need Help Finding Which POS Method to Override for Custom KOT

pos printing point_of_sale kot

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380 Näkymät

Dumith Sachinthaka

Hi everyone,

I’m looking for a solution related to customizing the POS KOT (Kitchen Order Ticket) in Odoo.

I need to customize the POS so that when the user clicks the “Order” button, the KOT order data is sent to an external WebSocket URL.

Right now I’m stuck because I can’t figure out which method or function I need to override to capture the KOT data at the moment the order is submitted to the kitchen printer.

Any help or direction would be greatly appreciated. Thanks!

Codesphere Tech

Hello,
Can you elaborate more what you want to customize?

Codesphere Tech

This is the method which is used to sent the order to kitchen display in odoo 19 PoS

async sendOrderInPreparation(order, opts = {}) {
let categoryCount = [];
if (!opts.cancelled) {
categoryCount = this.categoryCount;
}
const result = await super.sendOrderInPreparation(order, opts);

if (this.config.module_pos_restaurant && categoryCount.length) {
const categorySummary = categoryCount
.map((cat) => `${cat.count} ${cat.name}`)
.join(_t(", "))
.replace(/, ([^,]*)$/, _t(" and $1"));
this.notification.add(_t("%s, sent to the kitchen", categorySummary), {
type: "success",
});
}
return result;
},
Hope it helps.

Dumith Sachinthaka

Tekijä

Hello, thanks for the response.

I want to customize the POS KOT (Kitchen Order Ticket) workflow.

When the cashier clicks the “Order” button in the POS, Odoo normally sends the KOT to the kitchen printer.

What I need is:

At the moment the Order button is clicked,
I want to capture the KOT order data (products, qty, table, notes, etc.),
And then send that data to my external WebSocket URL.

So I need to know which Odoo POS JavaScript method handles this KOT send action, so I can override it and add my WebSocket request.

Thanks again for your help.

Cybrosys Techno Solutions Pvt.Ltd

Hi,

To customize the POS KOT in Odoo and send order data to an external WebSocket URL upon clicking the "Order" button, you'll need to override the appropriate method within the POS module. Start by identifying the method responsible for sending KOT data to the kitchen printer, likely involving order formatting and printing processes. Then, create a new module or customize an existing one to inherit the relevant POS model, utilizing the patch function to override the identified method without altering core files directly.

Within the overridden method, retrieve the KOT data, and implement WebSocket logic to establish a connection with your specified URL. Convert the KOT data to a JSON string using JSON.stringify() and transmit it through the WebSocket connection, ensuring proper error handling for connection issues. Finally, deploy the JavaScript file within your module's static/src/js directory, add it to your module's assets in the __manifest__.py file, and update your module in Odoo. Thoroughly test these changes in a development environment before deploying to production, and consider security measures if transmitting sensitive data.

Try the following Code:-

/** @odoo-module **/

import { patch } from "@web/core/utils/patch";

import { PosComponent } from "@point_of_sale/app/pos/pos_component"; // Replace with the correct path

import { Order } from "@point_of_sale/app/store/model"; // Replace with the correct path

patch(Order.prototype, 'your_module.Order', { // Use Order.prototype

async export_for_printing() {

const result = await super.export_for_printing(...arguments); // Get the original result

// Your custom logic here

const kotData = result; // Assuming 'result' contains the KOT data

// Send KOT data to WebSocket

this.sendKotToWebSocket(kotData);

return result;

sendKotToWebSocket(kotData) {

// Implement your WebSocket sending logic here

const websocketURL = "YOUR_WEBSOCKET_URL";

const socket = new WebSocket(websocketURL);

socket.onopen = () => {

socket.send(JSON.stringify(kotData));

socket.close(); // Close the connection after sending

};

socket.onerror = (error) => {

console.error("WebSocket error:", error);

};

});

Hope it helps

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