oscar.krause/fastapi-dls
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fixes

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Oscar Krause 2023-01-17 16:37:45 +01:00
parent b09bb091a5
commit b2e6fab294
1 changed files with 12 additions and 7 deletions
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19
app/orm.py
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@ -1,4 +1,5 @@
import datetime
from datetime import datetime, timedelta
from dateutil.relativedelta import relativedelta
from sqlalchemy import Column, VARCHAR, CHAR, ForeignKey, DATETIME, update, and_, inspect
from sqlalchemy.ext.declarative import declarative_base
@ -81,7 +82,10 @@ class Lease(Base):
def __repr__(self):
return f'Lease(origin_ref={self.origin_ref}, lease_ref={self.lease_ref}, expires={self.lease_expires})'
def serialize(self, renewal_period: float, renewal_delta: datetime.timedelta) -> dict:
def serialize(self, renewal_period: float, renewal_delta: timedelta) -> dict:
lease_renewal = int(Lease.calculate_renewal(renewal_period, renewal_delta).total_seconds())
lease_renewal = self.lease_created + relativedelta(seconds=lease_renewal)
return {
'lease_ref': self.lease_ref,
'origin_ref': self.origin_ref,
@ -89,7 +93,7 @@ class Lease(Base):
'lease_created': self.lease_created.isoformat(),
'lease_expires': self.lease_expires.isoformat(),
'lease_updated': self.lease_updated.isoformat(),
'lease_renewal': Lease.calculate_renewal(renewal_period, renewal_delta),
'lease_renewal': lease_renewal.isoformat(),
}
@staticmethod
@ -134,7 +138,7 @@ class Lease(Base):
return entity
@staticmethod
def renew(engine: Engine, lease: "Lease", lease_expires: datetime.datetime, lease_updated: datetime.datetime):
def renew(engine: Engine, lease: "Lease", lease_expires: datetime, lease_updated: datetime):
session = sessionmaker(bind=engine)()
x = dict(lease_expires=lease_expires, lease_updated=lease_updated)
session.execute(update(Lease).where(and_(Lease.origin_ref == lease.origin_ref, Lease.lease_ref == lease.lease_ref)).values(**x))
@ -158,16 +162,17 @@ class Lease(Base):
return deletions
@staticmethod
def calculate_renewal(renewal_period: float, delta: datetime.timedelta):
def calculate_renewal(renewal_period: float, delta: timedelta) -> timedelta:
"""
import datetime
LEASE_RENEWAL_PERIOD=0.2 # 20%
delta = datetime.timedelta(days=1)
renew = delta.total_seconds() * LEASE_RENEWAL_PERIOD
renew = timedelta(seconds=renew)
renew = datetime.timedelta(seconds=renew)
expires = delta - renew # 19.2
"""
renew = delta.total_seconds() * renewal_period
renew = datetime.timedelta(seconds=renew)
renew = timedelta(seconds=renew)
return delta - renew