39 lines
1.3 KiB
Python
39 lines
1.3 KiB
Python
# This file is part of Tryton. The COPYRIGHT file at the top level of
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# this repository contains the full copyright notices and license terms.
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from trytond.tools import grouped_slice
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from trytond.pool import Pool, PoolMeta
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class Purchase:
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__name__ = 'purchase.purchase'
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__metaclass__ = PoolMeta
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@classmethod
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def __setup__(cls):
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super(Purchase, cls).__setup__()
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cls._error_messages.update({
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'delete_purchase_request': ('You can not delete the purchase'
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' "%(purchase)s" because it is linked to at least one'
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' purchase request."'),
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})
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@classmethod
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def delete(cls, purchases):
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pool = Pool()
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PurchaseRequest = pool.get('purchase.request')
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purchase_lines = [pl.id
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for purchase in purchases for pl in purchase.lines]
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for sub_lines in grouped_slice(purchase_lines):
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requests = PurchaseRequest.search([
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('purchase_line', 'in', list(sub_lines)),
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])
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if requests:
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purchase = requests[0].purchase
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cls.raise_user_error('delete_purchase_request', {
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'purchase': purchase.rec_name,
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})
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super(Purchase, cls).delete(purchases)
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