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models.py
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170 lines (125 loc) · 5.96 KB
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from django.db import models
from django.db.models import Sum
from django.db.utils import OperationalError
from django.utils.translation import gettext_lazy as _
from .choices import STATUS
from .cryptapi import get_supported_coins
class Provider(models.Model):
id = models.AutoField(primary_key=True)
coin = models.CharField(_('Coin'), max_length=16, unique=True)
cold_wallet = models.CharField(_('Cold Wallet'), max_length=128)
active = models.BooleanField(_('Active'), default=True)
last_updated = models.DateTimeField(auto_now=True)
def get_coin_display(self):
coin_display = ''
coins = Metadata.get().coins.items()
if coins is None:
coins = get_supported_coins().items()
for ticker, coin in coins:
if ticker == self.coin:
coin_display = coin
if coin_display is None:
return self.coin.upper()
return coin_display
def __str__(self):
return "{}".format(self.get_coin_display())
class Request(models.Model):
id = models.AutoField(primary_key=True)
provider = models.ForeignKey(Provider, on_delete=models.SET_NULL, null=True)
order_id = models.CharField(_('Order ID'), default='', max_length=128)
nonce = models.CharField(_('Nonce'), max_length=32, default='')
address_in = models.CharField(_('Payment Address'), max_length=128, default='', null=True)
address_out = models.CharField(_('Receiving Address'), max_length=128, default='', null=True)
value_requested = models.DecimalField(_('Value Requested'), default=0, max_digits=65, decimal_places=18)
status = models.CharField(_('Status'), choices=STATUS, max_length=16, default='', null=True)
raw_request_url = models.CharField(_('Request URL'), max_length=8192, default='', null=True)
timestamp = models.DateTimeField(auto_now_add=True)
@property
def total(self):
qs = self.payment_set.all()
if qs.exists():
return qs.aggregate(sum=Sum('value_paid_coin')).get('sum', 0)
return 0
@property
def total_pending(self):
qs = self.payment_set.filter(pending=True)
if qs.exists():
return qs.aggregate(sum=Sum('value_paid_coin')).get('sum', 0)
return 0
@property
def total_confirmed(self):
qs = self.payment_set.filter(pending=False)
if qs.exists():
return qs.aggregate(sum=Sum('value_paid_coin')).get('sum', 0)
return 0
def set_value(self, value, commit=False):
_coin = self.provider.get_coin_display()
self.value_requested = value
if commit:
self.save()
def __str__(self):
return "#{}, {}#{}, {} ({})".format(self.id, _('Order'), self.order_id, self.get_status_display(), self.timestamp.strftime('%x %X'))
class Meta:
unique_together = (('provider', 'order_id'),)
class Payment(models.Model):
id = models.AutoField(primary_key=True)
request = models.ForeignKey(Request, on_delete=models.SET_NULL, null=True)
value_paid_coin = models.DecimalField(_('Value Paid Coin'), default=0, max_digits=65, decimal_places=18)
value_received_coin = models.DecimalField(_('Value Received Coin'), default=0, max_digits=65, decimal_places=18)
value_fee_coin = models.DecimalField(_('Fee Coin'), default=0, max_digits=65, decimal_places=18,
help_text="CryptAPI Fee.")
value_price = models.DecimalField(_('Price Coin in USD'), default=0, max_digits=65, decimal_places=18,
help_text="Coin price in USD at the time of receiving.")
txid_in = models.CharField(_('TXID in'), max_length=256, default='')
txid_out = models.CharField(_('TXID out'), max_length=256, default='')
pending = models.BooleanField(default=True)
confirmations = models.IntegerField(default=0)
timestamp = models.DateTimeField(auto_now_add=True)
@property
def coin(self):
return self.request.provider.get_coin_display()
def __str__(self):
return "#{}, {}, {} ({})".format(self.request.id, self.value_paid_coin, self.request.provider.get_coin_display(), self.timestamp.strftime('%x %X'))
class RequestLog(models.Model):
id = models.AutoField(primary_key=True)
request = models.ForeignKey(Request, on_delete=models.SET_NULL, null=True)
raw_data = models.CharField(max_length=8192)
timestamp = models.DateTimeField(auto_now_add=True)
def __str__(self):
return "#{} ({})".format(self.request_id, self.timestamp.strftime('%x %X'))
class PaymentLog(models.Model):
id = models.AutoField(primary_key=True)
payment = models.ForeignKey(Payment, on_delete=models.SET_NULL, null=True)
raw_data = models.CharField(max_length=8192)
timestamp = models.DateTimeField(auto_now_add=True)
def __str__(self):
return "#{} ({})".format(self.payment_id, self.timestamp.strftime('%x %X'))
class Metadata(models.Model):
id = models.AutoField(primary_key=True)
coins = models.JSONField(default=dict, max_length=5048)
last_updated = models.DateTimeField(auto_now=True)
def __str__(self):
return '#{}'.format(self.id)
@classmethod
def get(cls, key=None, default=None):
try:
try:
_metadata = cls.objects.get(id=1)
if key:
return getattr(_metadata, key, default)
return _metadata
except cls.DoesNotExist:
pass
except OperationalError:
pass
return default
@classmethod
def set(cls, key, value):
try:
_settings, created = cls.objects.get_or_create(id=1)
setattr(_settings, key, value)
_settings.save()
except OperationalError:
pass
class Meta:
verbose_name = verbose_name_plural = 'Meta Data'