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# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.
from odoo import api, fields, models, _
from odoo.exceptions import ValidationError, UserError
class PosCategory(models.Model):
_name = "pos.category"
_description = "Point of Sale Category"
_order = "sequence, name"
@api.constrains('parent_id')
def _check_category_recursion(self):
if not self._check_recursion():
raise ValidationError(_('Error ! You cannot create recursive categories.'))
name = fields.Char(string='Category Name', required=True, translate=True)
parent_id = fields.Many2one('pos.category', string='Parent Category', index=True)
child_id = fields.One2many('pos.category', 'parent_id', string='Children Categories')
sequence = fields.Integer(help="Gives the sequence order when displaying a list of product categories.")
image_128 = fields.Image("Image", max_width=128, max_height=128)
def name_get(self):
def get_names(cat):
res = []
while cat:
res.append(cat.name)
cat = cat.parent_id
return res
return [(cat.id, " / ".join(reversed(get_names(cat)))) for cat in self]
def unlink(self):
if self.search_count([('id', 'in', self.ids)]):
if self.env['pos.session'].sudo().search_count([('state', '!=', 'closed')]):
raise UserError(_('You cannot delete a point of sale category while a session is still opened.'))
return super(PosCategory, self).unlink()
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