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implemented "lease_renewal" attribute as calculated value within what period of time the license must be renewed

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Oscar Krause
2023-01-17 11:49:56 +01:00
parent 742fa07ed4
commit 3c19fc9d5b
2 changed files with 21 additions and 4 deletions
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16
app/orm.py
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@@ -81,7 +81,7 @@ 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) -> dict:
def serialize(self, renewal_period: float, renewal_delta: datetime.timedelta) -> dict:
return {
'lease_ref': self.lease_ref,
'origin_ref': self.origin_ref,
@@ -89,6 +89,7 @@ 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),
}
@staticmethod
@@ -156,6 +157,19 @@ class Lease(Base):
session.close()
return deletions
@staticmethod
def calculate_renewal(renewal_period: float, delta: datetime.timedelta):
"""
LEASE_RENEWAL_PERIOD=0.2 # 20%
delta = datetime.timedelta(days=1)
renew = delta.total_seconds() * LEASE_RENEWAL_PERIOD
renew = timedelta(seconds=renew)
expires = delta - renew # 19.2
"""
renew = delta.total_seconds() * renewal_period
renew = datetime.timedelta(seconds=renew)
return delta - renew
def init(engine: Engine):
tables = [Origin, Lease]