50 lines
2.1 KiB
Python
50 lines
2.1 KiB
Python
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# -*- coding: utf-8 -*-
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# Part of Odoo. See LICENSE file for full copyright and licensing details.
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from typing import List, Tuple
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from odoo import api, fields, models, _
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from odoo.exceptions import ValidationError, UserError
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class PosCategory(models.Model):
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_name = "pos.category"
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_description = "Point of Sale Category"
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_order = "sequence, name"
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@api.constrains('parent_id')
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def _check_category_recursion(self):
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if not self._check_recursion():
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raise ValidationError(_('Error! You cannot create recursive categories.'))
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name = fields.Char(string='Category Name', required=True, translate=True)
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parent_id = fields.Many2one('pos.category', string='Parent Category', index=True)
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child_id = fields.One2many('pos.category', 'parent_id', string='Children Categories')
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sequence = fields.Integer(help="Gives the sequence order when displaying a list of product categories.")
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image_128 = fields.Image("Image", max_width=128, max_height=128)
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# During loading of data, the image is not loaded so we expose a lighter
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# field to determine whether a pos.category has an image or not.
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has_image = fields.Boolean(compute='_compute_has_image')
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def _get_hierarchy(self) -> List[str]:
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""" Returns a list representing the hierarchy of the categories. """
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self.ensure_one()
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return (self.parent_id._get_hierarchy() if self.parent_id else []) + [(self.name or '')]
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@api.depends('parent_id')
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def _compute_display_name(self):
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for cat in self:
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cat.display_name = " / ".join(cat._get_hierarchy())
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@api.ondelete(at_uninstall=False)
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def _unlink_except_session_open(self):
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if self.search_count([('id', 'in', self.ids)]):
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if self.env['pos.session'].sudo().search_count([('state', '!=', 'closed')]):
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raise UserError(_('You cannot delete a point of sale category while a session is still opened.'))
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@api.depends('has_image')
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def _compute_has_image(self):
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for category in self:
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category.has_image = bool(category.image_128)
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