214 lines
7.6 KiB
Python
214 lines
7.6 KiB
Python
from datetime import timedelta
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from django.utils import timezone
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from django.db import models
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from django.core.exceptions import ValidationError
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from accounts.models import BaseModel, IAmPrincipal, IAmPrincipalType
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from django.utils.translation import gettext_lazy as _
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class Subscription(BaseModel):
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MONTH = "month"
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DAY = "day"
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WEEK = "week"
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YEAR = "year"
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INTERVAL_TYPES = [
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(MONTH, "month"),
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(DAY, "day"),
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(WEEK, "week"),
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(YEAR, "year"),
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]
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title = models.CharField(max_length=255)
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price_id = models.CharField(max_length=255, blank=True, null=True)
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product_id = models.CharField(max_length=255, blank=True, null=True)
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short_description = models.CharField(max_length=255, null=True, blank=True)
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long_description = models.TextField(null=True, blank=True)
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image = models.ImageField(upload_to="subscription_img", null=True, blank=True)
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interval = models.CharField(max_length=10, choices=INTERVAL_TYPES)
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interval_count = models.IntegerField(default=1)
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high_amount = models.DecimalField(max_digits=14, decimal_places=2, default=0.00)
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amount = models.DecimalField(max_digits=14, decimal_places=2, default=0.00)
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principal_types = models.ManyToManyField(
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IAmPrincipalType, related_name="principal_type_subscriptions", blank=True
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)
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referral_percentage = models.DecimalField(max_digits=5, decimal_places=2)
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is_free = models.BooleanField(
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default=False,
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help_text="Indicates whether this subscription is free and only accessible by administrators, not visible to regular users.",
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)
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class Meta:
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db_table = "subscription"
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def __str__(self):
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return self.title
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def clean(self):
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# Ensure amount is greater than 1
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if self.amount <= 1:
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raise ValidationError({"amount": "Amount must be greater than 1."})
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# Ensure high_amount is greater than amount
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if self.high_amount <= self.amount:
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raise ValidationError(
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{"high_amount": "High amount must be greater than amount."}
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)
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def save(self, *args, **kwargs):
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from goodtimes.services import StripeService
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if not self.delete:
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self.clean()
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if not self.is_free:
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if self.price_id:
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# Stipe dont provide to update the price record except active and deactive
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price = StripeService.retrieve_price(self.price_id)
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if not price["success"]:
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raise Exception(price['message'])
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if self.active != price["data"].active:
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StripeService.update_price(price_id=self.price_id, active=self.active)
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else:
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# Create new product and price
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price = StripeService.create_price(
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product_data={
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"name": self.title,
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"description": self.short_description,
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},
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unit_amount=int(self.amount * 100),
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currency="gbp",
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recurring={
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"interval": self.interval,
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"interval_count": self.interval_count,
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},
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metadata={
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"subscription_id": self.id
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}
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)
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if not price["success"]:
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raise Exception(price['message'])
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# add the id in record
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self.price_id = price["data"].id
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self.product_id = price["data"].product
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super().save(*args, **kwargs)
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def calculate_days(self):
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count = {
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self.DAY: 1,
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self.MONTH: 30, # assuming a month is 30 days
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self.YEAR: 365,
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self.WEEK: 7
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}
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return count[self.interval] * self.interval_count
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class SubscriptionStatus(models.TextChoices):
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ACTIVE = "active", _("Active")
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EXPIRED = "expired", _("Expired")
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INACTIVE = "inactive", _("Inactive")
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class PrincipalSubscription(BaseModel):
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subscription = models.ForeignKey(
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Subscription, related_name="subscription_reference", on_delete=models.CASCADE
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)
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principal = models.ForeignKey(
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IAmPrincipal, related_name="principal_subscription", on_delete=models.CASCADE
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)
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is_paid = models.BooleanField(default=False)
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auto_renew = models.BooleanField(default=False)
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status = models.CharField(
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max_length=255,
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choices=SubscriptionStatus.choices,
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default=SubscriptionStatus.ACTIVE,
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)
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start_date = models.DateField()
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end_date = models.DateField()
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order_id = models.CharField(max_length=255, null=True, blank=True)
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cancelled_date_time = models.DateTimeField(null=True, blank=True)
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grace_period_end_date = models.DateField(null=True, blank=True)
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stripe_customer_id = models.CharField(max_length=255, null=True, blank=True)
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stripe_subscription_id = models.CharField(max_length=255, null=True, blank=True)
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comments = models.CharField(max_length=255, null=True, blank=True)
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payment_intent_id = models.CharField(max_length=255, null=True, blank=True)
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payment_intent_client_secret = models.CharField(
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max_length=255, null=True, blank=True
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)
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coupon_code = models.CharField(max_length=255, null=True, blank=True)
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class Meta:
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db_table = "principal_subscription"
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def __str__(self):
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return f"{self.subscription} - {self.principal.first_name}"
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def generate_order_id(email):
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return f"order_{str(timezone.localtime().timestamp())}{str(email)}"
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def generate_grace_period_end_date(date):
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return date + timedelta(days=15)
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@classmethod
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def has_principal_subscription(cls, principal):
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return cls.get_grace_period_princial_subscription(principal).exists()
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@classmethod
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def get_grace_period_princial_subscription(cls, principal):
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return cls.objects.filter(
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principal=principal,
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is_paid=True,
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active=True,
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status=SubscriptionStatus.ACTIVE,
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grace_period_end_date__gt=timezone.now().date(),
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)
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@classmethod
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def get_active_princial_subscription(cls, principal):
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return cls.objects.filter(
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principal=principal,
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is_paid=True,
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active=True,
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status=SubscriptionStatus.ACTIVE,
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end_date__gt=timezone.now().date(),
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).order_by('-end_date').last()
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@classmethod
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def get_principal_subscription(cls, principal):
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return cls.objects.filter(
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principal=principal,
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is_paid=True,
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active=True,
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status=SubscriptionStatus.ACTIVE,
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).order_by("-grace_period_end_date").first()
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@classmethod
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def cancel_stipe_auto_renew_subscription(cls, subscription):
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subscription.auto_renew = False
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subscription.cancelled_date_time = timezone.now()
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subscription.save()
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class WebhookEvent(BaseModel):
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event_id = models.CharField(max_length=255, unique=True, db_index=True)
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event_type = models.CharField(max_length=255, null=True, blank=True)
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received_at = models.DateTimeField(auto_now_add=True)
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processed_at = models.DateTimeField(null=True, blank=True)
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status = models.CharField(
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max_length=20, default="received"
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) # e.g., 'received', 'processed', 'failed'
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error_message = models.TextField(null=True, blank=True)
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event_payload = models.JSONField(
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null=True, blank=True
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) # Optional: Store the payload for debugging.
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def __str__(self):
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return f"Webhook Event {self.event_id} - Status: {self.status}"
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class Meta:
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db_table = "webhook_event"
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