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rg3915/copy_registers

Created May 2, 2015 14:49
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Copiar registros de tabela OneToMany
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copy_registers
from vendas_project.vendas.models import Sale, SaleDetail
s = Sale.objects.filter(pk=1) # filtra a Venda pelo pk
d = SaleDetail.objects.filter(sale=s) # filtra os itens dessa Venda
s = Sale.objects.get(pk=s) # com o get pega o pk da Venda que foi filtrada
s.pk = None
s.save() # salva uma cópia da Venda
for i in d:
n = SaleDetail.objects.create(
sale=s, product=i.product, quantity=i.quantity, price_sale=i.price_sale, subtotal=i.quantity * i.price_sale)
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