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119 lines
4.3 KiB
Python
119 lines
4.3 KiB
Python
from io import BytesIO
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from base64 import b64encode
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from qrcode import make as qrcode_make
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from django.shortcuts import render, HttpResponseRedirect, reverse
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from django.contrib.auth.decorators import login_required
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from django.contrib import messages
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from core.models import UserShippingAddress
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from bids.models import ItemBid
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from sales.models import ItemSale
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from core.monero import AuctionWallet
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@login_required
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def get_sale(request, sale_id):
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sale = ItemSale.objects.filter(id=sale_id).first()
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if sale is None:
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messages.error(request, "That sale does not exist.")
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return HttpResponseRedirect(reverse('home'))
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bid = ItemBid.objects.get(id=sale.bid.id)
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qr_uri = 'monero:{}?tx_amount={}&tx_description="xmrauctions_sale_{}"'.format(
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sale.escrow_address, sale.expected_payment_xmr, sale.id
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)
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# Do not proceed unless current user is a buyer or seller
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if request.user != bid.bidder and request.user != sale.item.owner:
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messages.error(request, "You can't view a sale you are not involved in.")
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return HttpResponseRedirect(reverse('home'))
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# Do not proceed if sale is cancelled
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if sale.sale_cancelled:
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messages.error(request, 'That sale has been cancelled and is no longer available.')
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return HttpResponseRedirect(reverse('get_item', args=[sale.item.id]))
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_address_qr = BytesIO()
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address_qr = qrcode_make(qr_uri).save(_address_qr)
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total_seller_payout = sale.agreed_price_xmr - sale.platform_fee_xmr - sale.network_fee_xmr
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incoming_transactions = None
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if sale.payment_received is False:
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aw = AuctionWallet()
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if aw.connected:
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sale_account = aw.wallet.accounts[sale.escrow_account_index]
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incoming_transactions = sale_account.incoming()
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context = {
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'sale': sale,
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'qrcode': b64encode(_address_qr.getvalue()).decode(),
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'shipping_address': UserShippingAddress.objects.filter(
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user=bid.bidder
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).first(),
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'total_seller_payout': total_seller_payout,
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'incoming_transactions': incoming_transactions,
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}
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return render(request, 'sales/get_sale.html', context)
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@login_required
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def cancel_sale(request, sale_id):
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sale = ItemSale.objects.filter(id=sale_id).first()
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bid = ItemBid.objects.get(id=sale.bid.id)
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if sale is None:
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messages.error(request, "That sale doesn't exist.")
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return HttpResponseRedirect(reverse('home'))
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# Do not proceed unless current user is a buyer or seller
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if request.user != sale.bid.bidder and request.user != sale.item.owner:
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messages.error(request, "You can't view a sale you are not involved in.")
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return HttpResponseRedirect(reverse('home'))
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if sale.payment_received:
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messages.error(request, "You can't cancel a sale which has already received funds.")
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return HttpResponseRedirect(reverse('get_sale', args=[sale.id]))
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# Item becomes available
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sale.item.available = True
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sale.item.save()
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# Bid becomes not accepted
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sale.bid.accepted = False
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sale.bid.save()
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# Sale gets cancelled
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sale.sale_cancelled = True
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sale.save()
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return HttpResponseRedirect(reverse('get_item', args=[sale.item.id]))
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@login_required
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def confirm_shipment(request, sale_id):
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sale = ItemSale.objects.get(id=sale_id)
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# TODO - dont allow shipment if we dont have an address
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# Only proceed if current user is the seller
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if request.user == sale.item.owner:
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sale.item_shipped = True
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sale.save()
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messages.success(request, "Package sent, buyer notified!")
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return HttpResponseRedirect(reverse('get_sale', args=[sale.id]))
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else:
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messages.error(request, "You can't confirm a package shipment for an item you don't own.")
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return HttpResponseRedirect(reverse('home'))
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@login_required
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def confirm_receipt(request, sale_id):
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sale = ItemSale.objects.get(id=sale_id)
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# Do not proceed unless current user is the buyer
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if request.user == sale.bid.bidder:
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sale.item_received = True
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sale.save()
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messages.success(request, "Item received!")
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return HttpResponseRedirect(reverse('get_sale', args=[sale.id]))
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else:
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messages.error(request, "You can't confirm receipt of an item you didn't purchase.")
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return HttpResponseRedirect(reverse('home'))
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