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xmrauctions/sales/tasks.py

94 lines
2.8 KiB
Python

from decimal import Decimal
from huey import crontab
from huey.contrib.djhuey import periodic_task
from django.conf import settings
from django.core.mail import send_mail
from django.template.loader import render_to_string
from django.urls import reverse
from core.monero import AuctionWallet
from sales.models import ItemSale
class EmailTemplate:
def __init__(self, item, role):
context = {
'sale': item,
'site_name': settings.SITE_NAME,
'site_url': settings.SITE_URL,
'sale_path': reverse('get_sale', args=[item.bid.id])
}
subject = render_to_string(
template_name=f'sales/notify/{role}/subject.txt',
context=context,
request=None
)
body = render_to_string(
template_name=f'sales/notify/{role}/body.txt',
context=context,
request=None
)
self.subject = ''.join(subject.splitlines())
self.body = body
@periodic_task(crontab(minute='*/3'))
def notify_buyer_of_pending_sale():
item_sales = ItemSale.objects.filter(buyer_notified=False)
for sale in item_sales:
email_template = EmailTemplate(
item=sale,
role='buyer'
)
sent = send_mail(
email_template.subject,
email_template.body,
settings.DEFAULT_FROM_EMAIL,
[sale.bid.bidder.email]
)
if sent == 1:
sale.buyer_notified = True
sale.save()
return True
else:
return False
@periodic_task(crontab(minute='*/2'))
def notify_seller_of_funds_received():
item_sales = ItemSale.objects.filter(seller_notified=False, buyer_notified=True, payment_received=True)
for sale in item_sales:
email_template = EmailTemplate(
item=sale,
role='seller'
)
sent = send_mail(
email_template.subject,
email_template.body,
settings.DEFAULT_FROM_EMAIL,
[sale.item.owner.email]
)
if sent == 1:
sale.seller_notified = True
sale.save()
return True
else:
return False
@periodic_task(crontab(minute='*/10'))
def poll_for_buyer_escrow_payments():
aw = AuctionWallet()
item_sales = ItemSale.objects.filter(payment_received=False)
for sale in item_sales:
sale_account = aw.wallet.accounts[sale.escrow_account_index]
sale.received_payment_xmr = sale_account.balance()
if sale_account.balance() >= Decimal(str(sale.expected_payment_xmr)):
sale.payment_received = True
sale.save()
if settings.DEBUG:
print('[+] Sale: #{} - Balance: {} - Payment Received: {}'.format(
sale.id, sale.received_payment_xmr, sale.payment_received
))