def offers_handler():
items = Item.objects.all()
offers = Offer.objects.filter(is_active=True)
for item in items:
for buy_offer in offers.filter(item=item,
order_type=OrderType.BUY.value):
buy_offer_unit_price = ItemTransfer.get_unit_price(buy_offer)
sale_offers = offers.filter(item=item,
order_type=OrderType.SALE.value,
price__lte=buy_offer.price)
valid_sale_offers = filter(
lambda offer: buy_offer_unit_price >= ItemTransfer.
get_unit_price(offer), sale_offers)
for sale_offer in sorted(
valid_sale_offers,
key=lambda offer: ItemTransfer.get_unit_price(offer)):
diff = min(buy_offer.quantity, sale_offer.quantity)
Trade(item=item,
seller=sale_offer.user,
buyer=buy_offer.user,
quantity=diff,
unit_price=sale_offer.price / sale_offer.quantity,
buyer_offer=buy_offer,
seller_offer=sale_offer).save()
[
ItemTransfer.handling_offer(offer, diff)
for offer in [buy_offer, sale_offer]
]
ItemTransfer.items_transfer(sale_offer, diff)
ItemTransfer.items_transfer(buy_offer, diff, True)
if not buy_offer.quantity:
break
def propose_trade(request, team_id):
players = []
picks = []
for key in request.POST:
if 'player' in key:
players.append(key.split('_')[1])
elif 'pick' in key:
picks.append(key.split('_')[1])
t2 = Team.objects.get(pk=team_id)
if len(players) == 0 and len(picks) == 0:
msg = Message.objects.get(text=Message.EMPTY_TRADE)
return HttpResponseRedirect(
reverse('trades:league', args=(t2.league.id, )) + '?msg=' +
str(msg.id))
t1 = request.user.manager.team_set.get(league=t2.league)
trade = Trade(team1=t1, team2=t2)
trade.save()
t1_picks = t2_picks = 0
for pick_id in picks:
pick = Pick.objects.get(pk=pick_id)
if pick.team == t1:
t1_picks += 1
else:
t2_picks += 1
pp = PickPiece(trade=trade, pick=pick)
pp.save()
if t1_picks != t2_picks:
trade.delete()
msg = Message.objects.get(text=Message.UNEQUAL_PICKS)
return HttpResponseRedirect(
reverse('trades:league', args=(t1.league.id, )) + '?msg=' +
str(msg.id))
for player_id in players:
player = Player.objects.get(pk=player_id)
pp = PlayerPiece(trade=trade, player=player)
pp.save()
return HttpResponseRedirect(reverse('trades:trade', args=(trade.pk, )))
def index(request, address):
if request.method == 'GET':
trades = Trade.objects.filter(
Q(first_party=address) | Q(second_party=address))
trades = list(map(lambda trade: tradeToJson(trade), trades))
trades = '[' + ','.join(trades) + ']'
return HttpResponse("{\"trades\": " + str(trades) + "}")
elif request.method == 'POST':
body = json.loads(request.body.decode("utf-8"))
trade = Trade(first_party=address,
second_party=body['secondParty'],
address=body['address'])
trade.save()
card = Card.objects.filter(id=body['card']).first()
tradeItem = TradeItem(card=card, party=address, trade=trade)
tradeItem.save()
return HttpResponse(tradeToJson(trade))
elif request.method == 'DELETE':
body = json.loads(request.body.decode("utf-8"))
Trade.objects.filter(address=body['address']).delete()
return HttpResponse("{ \"address\": \"" + body['address'] + "\"}")
def buy_offer(request, pk):
sale_offer = get_object_or_404(Offer, id=pk)
buy_offer = Offer(user=request.user,
quantity=sale_offer.quantity,
entry_quantity=sale_offer.quantity,
price=sale_offer.price,
order_type=OrderType.BUY.value,
item=sale_offer.item)
buy_offer.save()
diff = min(buy_offer.quantity, sale_offer.quantity)
Trade(item=sale_offer.item,
seller=sale_offer.user,
buyer=buy_offer.user,
quantity=diff,
unit_price=sale_offer.price / sale_offer.quantity,
buyer_offer=buy_offer,
seller_offer=sale_offer).save()
[
ItemTransfer.handling_offer(offer, diff)
for offer in [buy_offer, sale_offer]
]
ItemTransfer.items_transfer(sale_offer, diff)
ItemTransfer.items_transfer(buy_offer, diff, True)
def get_trade():
return trade or Trade()