31 lines
930 B
Python
31 lines
930 B
Python
# -*- coding: utf-8 -*-
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from odoo import models
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class AccountTax(models.Model):
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_inherit = "account.tax"
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def _hook_compute_is_used(self, taxes_to_compute):
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# OVERRIDE in order to fetch taxes used in purchase
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used_taxes = super()._hook_compute_is_used(taxes_to_compute)
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taxes_to_compute -= used_taxes
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if taxes_to_compute:
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self.env['purchase.order.line'].flush_model(['taxes_id'])
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self.env.cr.execute("""
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SELECT id
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FROM account_tax
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WHERE EXISTS(
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SELECT 1
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FROM account_tax_purchase_order_line_rel AS pur
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WHERE account_tax_id IN %s
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AND account_tax.id = pur.account_tax_id
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)
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""", [tuple(taxes_to_compute)])
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used_taxes.update([tax[0] for tax in self.env.cr.fetchall()])
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return used_taxes
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