def _collect_inventory(self):
while True:
val = raw_input("barcode, SHOW or 'END'. # ")
if val == 'END':
return
elif val == 'SHOW':
for sto in StockTake.objects.all():
print(sto)
else:
beerinst_pack = BeerInst.objects.filter(barcode_pack=val).first()
beerinst_sing = BeerInst.objects.filter(barcode=val).first()
if beerinst_pack is not None:
st = StockTake(beerinst=beerinst_pack, quantity=beerinst_pack.quantity_pack)
st.clean()
st.save()
print(st)
last = st
elif beerinst_sing is not None:
st = StockTake(beerinst=beerinst_sing, quantity=1)
st.clean()
st.save()
print(st)
last = st
else:
print('NO SUCH BEER')
def _coalesce(self):
# Get the set of all beerinsts referenced by
for bi in BeerInst.objects.all():
quantity = StockTake.objects.filter(beerinst=bi).aggregate(quantity=models.Sum('quantity'))['quantity']
if quantity > 0:
StockTake.objects.filter(beerinst=bi).delete()
st = StockTake(beerinst=bi, quantity=quantity)
st.clean()
st.save()
