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3b7f713 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 | import os
from enum import Enum
from clerk_backend_api import Clerk
from core.subscription.tracker import get_used_tokens, get_wizard_iterations
class SubscriptionTier(Enum):
FREE = "free"
PRO = "pro"
BUSINESS = "business"
def get_subscription_limits(tier: SubscriptionTier):
limits = {
SubscriptionTier.FREE: {
"max_wizard_iterations": 15,
"max_tokens_monthly": 100000,
"grants_search_limit": 5,
"export_pdf": False,
"max_documents_per_project": 5,
},
SubscriptionTier.PRO: {
"max_wizard_iterations": 50,
"max_tokens_monthly": 500000,
"grants_search_limit": 20,
"export_pdf": True,
"max_documents_per_project": 20,
},
SubscriptionTier.BUSINESS: {
"max_wizard_iterations": 9999,
"max_tokens_monthly": 2000000,
"grants_search_limit": 100,
"export_pdf": True,
"max_documents_per_project": 9999,
},
}
return limits.get(tier, limits[SubscriptionTier.FREE])
clerk_secret = os.getenv("CLERK_SECRET_KEY")
clerk = Clerk(bearer_auth=clerk_secret) if clerk_secret else None
class SubscriptionChecker:
def __init__(self, user_id: str):
self.user_id = user_id
def _fetch_tier_from_clerk_with_db_fallback(self) -> SubscriptionTier:
if self.user_id == "anonymous" or self.user_id == "test_dev_user":
return SubscriptionTier.FREE
tier_str = None
# 1. Clerk to jedyne źródło prawdy oznaczające autoryzacje subskrypcji
if clerk:
try:
user = clerk.users.get(user_id=self.user_id)
if getattr(user, "public_metadata", None):
tier_str = user.public_metadata.get("stripe_subscription")
except Exception as e:
from core.audit_logger import audit_log
try:
audit_log("ERROR", f"Clerk HTTP fetch failed: {e}")
except Exception:
pass
# 2. Jeśli Clerk nie odpowiedział lub public_metadata puste, fallback do Postgresa
if not tier_str:
from core.subscription.db import SessionLocal
from core.subscription.models import User
db = SessionLocal()
try:
user = db.query(User).filter(User.clerk_id == self.user_id).first()
if user and user.tier:
tier_str = user.tier
except Exception:
pass
finally:
db.close()
tier_str = tier_str or "free"
try:
return SubscriptionTier(tier_str.lower())
except ValueError:
return SubscriptionTier.FREE
def can_start_iteration(self) -> bool:
tier = self._fetch_tier_from_clerk_with_db_fallback()
limits = get_subscription_limits(tier)
used = get_wizard_iterations(self.user_id)
return used < limits["max_wizard_iterations"]
def can_use_tokens(self) -> bool:
tier = self._fetch_tier_from_clerk_with_db_fallback()
limits = get_subscription_limits(tier)
used = get_used_tokens(self.user_id)
return used < limits["max_tokens_monthly"]
def get_tier(self) -> SubscriptionTier:
return self._fetch_tier_from_clerk_with_db_fallback()
def get_current_limits(self):
tier = self.get_tier()
return get_subscription_limits(tier)
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