78 lines
2.5 KiB
Python
78 lines
2.5 KiB
Python
from datetime import timedelta
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from django.utils import timezone
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import datetime
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from manage_subscriptions.models import PrincipalSubscription
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class SubscriptionService:
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def __init__(self):
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self._principal_subscription = None
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@property
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def principal_subscription(self):
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"""Get the current principal subscription."""
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return self._principal_subscription
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@principal_subscription.setter
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def principal_subscription(self, value):
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"""Set the current principal subscription."""
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self._principal_subscription = value
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def create_principal_subscription(
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self,
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principal,
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subscription,
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stripe_subscription,
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order_id,
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current_period_start,
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current_period_end,
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coupon=None,
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):
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"""Create a principal subscription and return it."""
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start_date, end_date = self._calculate_dates(
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current_period_start, current_period_end, subscription.plan.days
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)
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principal_subscription = PrincipalSubscription.objects.create(
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principal=principal,
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subscription=subscription,
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stripe_subscription_id=stripe_subscription or "Non Recurring",
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is_paid=True,
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auto_renew=bool(stripe_subscription),
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is_stripe_subscription=bool(stripe_subscription),
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order_id=order_id,
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start_date=start_date,
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end_date=end_date,
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grace_period_end_date=end_date + timedelta(days=15),
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coupon_code=coupon.coupon_code if coupon else None,
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)
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if coupon:
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self._update_coupon(coupon)
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self.principal_subscription = principal_subscription
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return principal_subscription
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def _calculate_dates(
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self, current_period_start, current_period_end, subscription_days
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):
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"""Calculate subscription start and end dates."""
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today = timezone.now().date()
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start_date = (
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datetime.datetime.fromtimestamp(current_period_start).date()
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if current_period_start
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else today
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)
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end_date = (
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datetime.datetime.fromtimestamp(current_period_end).date()
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if current_period_end
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else (today + timedelta(days=subscription_days))
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)
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return start_date, end_date
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def _update_coupon(self, coupon):
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"""Update coupon usage count."""
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coupon.no_of_redeems += 1
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coupon.save()
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print("Coupon Saved Successfully!!!")
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