232 lines
7.5 KiB
Python
232 lines
7.5 KiB
Python
import logging
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import os
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from Crypto.PublicKey import RSA
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from dateutil.relativedelta import relativedelta
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from django.db import models
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from django.utils import timezone
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from django.utils.functional import cached_property
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from membership.models import StripeCustomer, CustomUser
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from utils.mixins import AssignPermissionsMixin
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from utils.models import BillingAddress
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logger = logging.getLogger(__name__)
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class HostingPlan(models.Model):
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disk_size = models.FloatField(default=0.0)
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cpu_cores = models.FloatField(default=0.0)
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memory = models.FloatField(default=0.0)
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def serialize(self):
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return {
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'id': self.id,
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'cpu': self.cpu_cores,
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'memory': self.memory,
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'disk_size': self.disk_size,
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'price': self.price(),
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}
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@classmethod
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def get_serialized_configs(cls):
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return [cfg.serialize()
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for cfg in cls.objects.all()]
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def price(self):
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price = self.disk_size * 0.6
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price += self.cpu_cores * 5
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price += self.memory * 2
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return price
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class HostingOrder(AssignPermissionsMixin, models.Model):
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ORDER_APPROVED_STATUS = 'Approved'
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ORDER_DECLINED_STATUS = 'Declined'
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vm_id = models.IntegerField(default=0)
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customer = models.ForeignKey(StripeCustomer)
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billing_address = models.ForeignKey(BillingAddress)
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created_at = models.DateTimeField(auto_now_add=True)
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approved = models.BooleanField(default=False)
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last4 = models.CharField(max_length=4)
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cc_brand = models.CharField(max_length=10)
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stripe_charge_id = models.CharField(max_length=100, null=True)
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price = models.FloatField()
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subscription_id = models.CharField(max_length=100, null=True)
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permissions = ('view_hostingorder',)
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class Meta:
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permissions = (
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('view_hostingorder', 'View Hosting Order'),
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)
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def __str__(self):
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return "%s" % (self.id)
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@cached_property
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def status(self):
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return self.ORDER_APPROVED_STATUS if self.approved else self.ORDER_DECLINED_STATUS
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@classmethod
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def create(cls, price=None, vm_id=None, customer=None,
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billing_address=None):
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instance = cls.objects.create(
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price=price,
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vm_id=vm_id,
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customer=customer,
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billing_address=billing_address
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)
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instance.assign_permissions(customer.user)
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return instance
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def set_approved(self):
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self.approved = True
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self.save()
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def set_stripe_charge(self, stripe_charge):
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self.stripe_charge_id = stripe_charge.id
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self.last4 = stripe_charge.source.last4
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self.cc_brand = stripe_charge.source.brand
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self.save()
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def set_subscription_id(self, subscription_id, cc_details):
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"""
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When creating a Stripe subscription, we have subscription id.
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We store this in the subscription_id field.
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This method sets the subscription id
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and the last4 and credit card brands used for this order.
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:param subscription_id: Stripe's subscription id
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:param cc_details: A dict containing card details
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{last4, brand}
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:return:
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"""
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self.subscription_id = subscription_id
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self.last4 = cc_details.get('last4')
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self.cc_brand = cc_details.get('brand')
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self.save()
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def get_cc_data(self):
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return {
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'last4': self.last4,
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'cc_brand': self.cc_brand,
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} if self.last4 and self.cc_brand else None
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class UserHostingKey(models.Model):
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user = models.ForeignKey(CustomUser)
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public_key = models.TextField()
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private_key = models.FileField(upload_to='private_keys', blank=True)
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created_at = models.DateTimeField(auto_now_add=True)
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name = models.CharField(max_length=100)
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@staticmethod
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def generate_RSA(bits=2048):
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'''
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Generate an RSA keypair with an exponent of 65537 in PEM format
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param: bits The key length in bits
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Return private key and public key
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'''
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new_key = RSA.generate(2048, os.urandom)
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public_key = new_key.publickey().exportKey("OpenSSH")
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private_key = new_key.exportKey("PEM")
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return private_key, public_key
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@classmethod
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def generate_keys(cls):
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private_key, public_key = cls.generate_RSA()
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# self.public_key = public_key
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# self.save(update_fields=['public_key'])
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return private_key, public_key
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class HostingBill(AssignPermissionsMixin, models.Model):
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customer = models.ForeignKey(StripeCustomer)
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billing_address = models.ForeignKey(BillingAddress)
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total_price = models.FloatField(default=0.0)
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permissions = ('view_hostingbill',)
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class Meta:
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permissions = (
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('view_hostingbill', 'View Hosting Bill'),
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)
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def __str__(self):
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return "%s" % (self.customer.user.email)
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@classmethod
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def create(cls, customer=None, billing_address=None):
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instance = cls.objects.create(customer=customer,
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billing_address=billing_address)
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return instance
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class VMDetail(models.Model):
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user = models.ForeignKey(CustomUser)
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vm_id = models.IntegerField(default=0)
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disk_size = models.FloatField(default=0.0)
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cores = models.FloatField(default=0.0)
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memory = models.FloatField(default=0.0)
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configuration = models.CharField(default='', max_length=25)
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ipv4 = models.TextField(default='')
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ipv6 = models.TextField(default='')
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created_at = models.DateTimeField(auto_now_add=True)
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terminated_at = models.DateTimeField(null=True)
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def end_date(self):
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end_date = self.terminated_at if self.terminated_at else timezone.now()
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months = relativedelta(end_date, self.created_at).months or 1
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end_date = self.created_at + relativedelta(months=months, days=-1)
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return end_date
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class UserCardDetail(AssignPermissionsMixin, models.Model):
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permissions = ('view_usercarddetail',)
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stripe_customer = models.ForeignKey(StripeCustomer)
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last4 = models.CharField(max_length=4)
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brand = models.CharField(max_length=10)
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card_id = models.CharField(max_length=100, blank=True, default='')
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fingerprint = models.CharField(max_length=100)
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exp_month = models.IntegerField(null=False)
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exp_year = models.IntegerField(null=False)
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preferred = models.BooleanField(default=False)
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class Meta:
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permissions = (
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('view_usercarddetail', 'View User Card'),
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)
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@classmethod
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def create(cls, stripe_customer=None, last4=None, brand=None,
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fingerprint=None, exp_month=None, exp_year=None, card_id=None):
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instance = cls.objects.create(
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stripe_customer=stripe_customer, last4=last4, brand=brand,
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fingerprint=fingerprint, exp_month=exp_month, exp_year=exp_year,
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card_id=card_id
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)
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instance.assign_permissions(stripe_customer.user)
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return instance
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@classmethod
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def get_all_cards_list(cls, stripe_customer):
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"""
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Get all the cards of the given customer as a list
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:param stripe_customer: The StripeCustomer object
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:return: A list of all cards; an empty list if the customer object is
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None
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"""
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cards_list = []
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if stripe_customer is None:
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return cards_list
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user_card_details = UserCardDetail.objects.filter(
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stripe_customer_id=stripe_customer.id
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)
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for card in user_card_details:
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cards_list.append({
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'last4': card.last4, 'brand': card.brand, 'id': card.id
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})
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return cards_list
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