59 lines
2.1 KiB
Python
59 lines
2.1 KiB
Python
# Part of Odoo. See LICENSE file for full copyright and licensing details.
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from base64 import b32encode
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from hashlib import sha256
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from odoo import fields, models, api, _
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from odoo.exceptions import ValidationError
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def format_epson_certified_domain(serial_number):
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"""Epson printers can be configured to use a wildcard certificate,
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for a domain name derived from the printer serial number.
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:param serial_number: The printer serial number or an IP address.
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:return: The corresponding domain name, or the original IP address.
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"""
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if "." in serial_number:
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# If the field is provided an epson serial number, convert it to a domain name
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# Note: serial numbers should not contain dots, as IPs or URLs would.
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return serial_number
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epson_domain = "omnilinkcert.epson.biz"
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sha256_hash = sha256(serial_number.encode()).digest()
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base32_text = b32encode(sha256_hash).decode().rstrip("=")
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return f"{base32_text.lower()}.{epson_domain}"
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class PosPrinter(models.Model):
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_inherit = 'pos.printer'
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printer_type = fields.Selection(selection_add=[('epson_epos', 'Use an Epson printer')])
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epson_printer_ip = fields.Char(
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string='Epson Printer IP Address',
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help=(
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"Local IP address of an Epson receipt printer, or its serial number if the "
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"'Automatic Certificate Update' option is enabled in the printer settings."
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),
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default="0.0.0.0"
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)
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@api.constrains('epson_printer_ip')
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def _constrains_epson_printer_ip(self):
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for record in self:
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if record.printer_type == 'epson_epos' and not record.epson_printer_ip:
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raise ValidationError(_("Epson Printer IP Address cannot be empty."))
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@api.model
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def _load_pos_data_fields(self, config_id):
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params = super()._load_pos_data_fields(config_id)
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params += ['epson_printer_ip']
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return params
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@api.onchange("epson_printer_ip")
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def _onchange_epson_printer_ip(self):
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for rec in self:
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if rec.epson_printer_ip:
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rec.epson_printer_ip = format_epson_certified_domain(rec.epson_printer_ip)
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