Creating a Custom Barcode Capture Addon for Odoo POS

In this blog post, we will guide you through the process of creating a custom barcode capture addon for Odoo POS. By the end of this tutorial, you will have a functional module that can capture and store unknown barcodes scanned at the POS front end. This addon can be useful for businesses that need to track and keep records of barcodes that are not in their inventory database. We will cover the necessary steps and code snippets needed to get started on this project.

1. First, you would need to create a new module in Odoo by creating a new directory in the “addons” folder, and adding the necessary files, such as the manifest.py, init.py, and views.xml.
2. In the manifest.py file, you would need to specify the dependencies, the name of the module and the author of the module.
3. In the views.xml file, you would need to create a new view that will override the existing POS view and add a new field for capturing the unknown barcode.
4. In the init.py file, you would need to import the necessary libraries and add the following code to handle the new barcode field:

from odoo import models, fieldsclass BarcodeCapture(models.Model):    _name = 'barcode.capture'    barcode = fields.Char(string='Barcode')Code language: Python (python)

5. You would then need to create a new controller in your module to handle the logic for capturing and storing the unknown barcodes.

class BarcodeController(http.Controller):    @http.route('/barcode/capture', type='json', auth='user')    def barcode_capture(self, barcode):        barcode_obj = request.env['barcode.capture']        barcode_data = {            'barcode': barcode        }        barcode_obj.create(barcode_data)Code language: Python (python)

6. Once you have finished creating your module, you would need to install it in your Odoo instance and configure it to be used with the POS.
7. Finally, you would need to add the necessary javascript to your views, to handle the barcode scanning and send the barcode data to the controller.

$(document).ready(function(){        $(document).on('scan', function(e, barcode){            var barcode_data = {                'barcode': barcode            };            ajax.jsonRpc("/barcode/capture", 'call', barcode_data)                .then(function (data) {                    console.log(data);                });        });    });Code language: JavaScript (javascript)

It's worth noting that this is a high-level overview and this code is not complete nor it was meant to be functional and you will need to adapt it to your specific needs. Additionally, there might be other parts that you will need to add, such as security and validation checks, handling errors, etc. If you are not familiar with Odoo development, it's advisable to seek the help of an experienced Odoo developer.

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