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How to setup (real-time) communication between client and server using bus service in Odoo 18

problem bugfix

3 Odpowiedzi

8909 Widoki

Jan van der Wel

Hi all,

Can some help to setup communication between server and client, where I want to update the standard progresBarField in real-time:

/** @odoo-module **/

import { registry } from "@web/core/registry";

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

import { ProgressBarField } from "@web/views/fields/progress_bar/progress_bar_field";

const fieldRegistry = registry.category("fields");

console.log("Progress listener setup");

patch(ProgressBarField.prototype, {

setup() {

super.setup();

console.log("Setup progress bar");

this.busService = this.env.services.bus_service;

console.log("busService active is %B", this.busService.isActive);

this.channel = "progress_bar_channel";

this.busService.addChannel(this.channel);

this.busService.addEventListener("notification", this.onBusMessage.bind(this));

onBusMessage({detail: notifications}) {

console.log("onBusMessage", notifications);

notifications = notifications.filter(item => item.type === 'notification')

notifications.forEach(item => {

console.log("Progress: %d on field %s", item.payload.progress, item.payload.field);

this.setProgress(item.payload.field, item.payload.progress);

})

setProgress(fieldName,newProgress) {

if (newProgress >= 0 && newProgress <= 100) { // Ensure the progress is within bounds

console.log("newProgress", newProgress);

let value = String(newProgress);

this.onValueChange(value, fieldName);

}

});

At the Odoo server side I send progress information from a Model in Python as follows:

class MyImportWizard(models.TransientModel):

_name = 'myapp.import.wizard'

_description = 'Import Wizard '

_inherit = ['bus.listener.mixin'] # Inherit the mixin for bus notifications

file = fields.Binary("Select File", required=True, file_name = fields.Char()

progress = fields.Integer(string="Progress", default=0)

def import_file(self):

records = self.env['myapp.data'].search([])

rows_to_process = records.__len__()

rows_processed = 0

for record in records:

.... # Do some model and other model and database update work

rows_processed = rows_processed + 1

self.progress = (int)((rows_processed * 100) / rows_to_process)

self.env['bus.bus']._sendone('progress_bar_channel', 'notification',

{'field': 'progress','progress': self.progress})

self.env.cr.commit(). # Needed in Odoo 17 to release (send) bus messages to the client

self.progress = 100 # Complete the task

self.env['bus.bus']._sendone('progress_bar_channel', 'notification',

{'field': 'progress', 'progress': self.progress})

What changed in Odoo 18, that this is not working anymore. I see a lot of guessing work and changes over the different Odoo versions, where the Bus (bus.bus) API changed from version to version. In Odoo 17 I see all the console messages in the browser. In both Odoo 17 and 18 the bus_service is seen as active.

Can someone provide a good and working example on how this should work for Odoo 18

Thanks for your help and I hope that the answer contributes to a better Odoo

Jan van der Wel

Autor Najlepsza odpowiedź

Hi finally I solved it as follows because Odoo 18 is quite different especially at frontend by using OWL better. By this code you have a simple progress bar when uploading a large amount of data in the database.

At the frontend using OWL:

import { patch } from "@web/core/utils/patch";
import { ProgressBarField } from "@web/views/fields/progress_bar/progress_bar_field";
import { useService, useBus } from "@web/core/utils/hooks";

console.log("Progress listener setup");

patch(ProgressBarField.prototype, {
    setup() {
        super.setup();
        console.log("Setup progress bar");

        this.busService = useService("bus_service");

        this.busService.subscribe("progress_update", (payload, {id: notifyID}) => {
            const {progress: progress, field: field} = payload;
            console.log("Progress: %d for field %s", progress, field);
            this.setProgress(field, progress)
        });
        this.busService.start();
    },

    setProgress(fieldName,newProgress) {
        if (newProgress >= 0 && newProgress <= 100) { // Ensure the progress is within bounds
            console.log("newProgress", newProgress);
            let value = String(newProgress);
            this.onValueChange(value, fieldName);
        }
    }
});

At the backend:

            rows_processed = rows_processed + 1
            self.progress = (int)((rows_processed * 100) / rows_to_process)
            self.env.user._bus_send("progress_update", {
                'field': "progress",
                'progress': self.progress,
            })
            self.env.cr.commit()

So thank you all for your response and maybe it helps you.

Maurel Reyes

En odoo 18 no funcionaba, tube que pasar el partner_id en vez del canal, solicitud realizada desde un controlador

user_list = request.env['res.users'].search([])
for current_user in user_list:
request.env["bus.bus"]._sendone(current_user.partner_id, "turno.new_ticket", message)

Adam Heinz

I am also struggling with this, but have made some progress receiving messages from a non-custom Odoo channel:

    setup() {
        this.bus = useService("bus_service");
        this.bus.subscribe("bus.bus/im_status_updated", message => console.log("received", message));
    }

yields logs in the browser console

received Object { im_status: "online", partner_id: 3 }

Unfortunately, when I attempt to manually send messages using odoo shell, I don't see anything in my browser console.

self.env['bus.bus']._sendone('odoo-presence-res.partner_3', 'bus.bus/im_status_updated', {'im_status': 'away'})

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