vracoop_pos_free_balance_v2/models/pos_config.py

# © 2020 Le Filament (<http://www.le-filament.com>)
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).

from odoo import api, fields, models


class PosConfig(models.Model):
    _inherit = 'pos.config'

    is_balance_free = fields.Boolean(
        string='Balance libre service')
    logo_balance = fields.Binary(
        string='Logo Balance', 
        attachment=True)
    explication_header = fields.Char(string='Explication')
    weight_default = fields.Char(string='Poids par défault (kg)')
    balance_id = fields.Char("Identifiant de la balance")
    logo_path = fields.Char(
        "URL Logo", compute="_compute_image_path")

    def _compute_image_path(self):
        for pos in self:
            if pos.logo_balance:
                attachment_id = self.env['ir.attachment'].search([
                    ('res_field', '=', 'logo_balance'),
                    ('res_model', '=', 'pos.config'), 
                    ('res_id', '=', self.id)])
                attachment_id.generate_access_token()
                pos.logo_path = '/web/content/' + str(attachment_id.id) + '?access_token=' + attachment_id.access_token