29 lines
1.2 KiB
Python
29 lines
1.2 KiB
Python
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# -*- coding: utf-8 -*-
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from odoo import _, api, models
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from odoo.exceptions import UserError
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from odoo.tools import split_every
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class AccountTax(models.Model):
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_inherit = 'account.tax'
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def write(self, vals):
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forbidden_fields = {
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'amount_type', 'amount', 'type_tax_use', 'tax_group_id', 'price_include',
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'include_base_amount', 'is_base_affected',
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}
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if forbidden_fields & set(vals.keys()):
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lines = self.env['pos.order.line'].sudo().search([
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('order_id.session_id.state', '!=', 'closed')
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])
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self_ids = set(self.ids)
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for lines_chunk in map(self.env['pos.order.line'].sudo().browse, split_every(100000, lines.ids)):
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if any(tid in self_ids for ts in lines_chunk.read(['tax_ids']) for tid in ts['tax_ids']):
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raise UserError(_(
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'It is forbidden to modify a tax used in a POS order not posted. '
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'You must close the POS sessions before modifying the tax.'
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))
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lines_chunk.invalidate_cache(['tax_ids'], lines_chunk.ids)
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return super(AccountTax, self).write(vals)
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