18 lines
800 B
Diff
18 lines
800 B
Diff
# http://codereview.tryton.org/5871002/
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diff -r 46c9a4316548 sale.py
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--- .a/trytond/trytond/modules/sale/sale.py Thu Dec 04 23:41:16 2014 +0100
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+++ .b/trytond/trytond/modules/sale/sale.py Wed Dec 17 21:27:11 2014 +0100
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@@ -1365,8 +1369,10 @@
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if old_invoice_line.type != 'line':
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continue
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if old_invoice_line.id not in skip_ids:
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+ sign = (1.0 if invoice_type == old_invoice_line.invoice_type
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+ else -1.0)
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quantity -= Uom.compute_qty(old_invoice_line.unit,
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- old_invoice_line.quantity, self.unit)
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+ sign * old_invoice_line.quantity, self.unit)
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rounding = self.unit.rounding if self.unit else 0.01
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invoice_line.quantity = Uom.round(quantity, rounding)
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