CHIEFSOFT\ameye
73 lines
2.7 KiB
Python
73 lines
2.7 KiB
Python
from datetime import datetime, timezone
|
|
from app.extensions import db
|
|
from sqlalchemy.orm import relationship
|
|
from dateutil.relativedelta import relativedelta
|
|
from sqlalchemy.sql import func
|
|
|
|
class LoanRepaymentSchedule(db.Model):
|
|
__tablename__ = 'loan_repayment_schedules'
|
|
|
|
id = db.Column(db.Integer, primary_key=True, autoincrement=True)
|
|
loan_id = db.Column(db.Integer, nullable=False)
|
|
transaction_id = db.Column(db.String(50), nullable=True)
|
|
product_id = db.Column(db.String(20), nullable=True)
|
|
installment_number = db.Column(db.Integer, nullable=False)
|
|
due_date = db.Column(db.DateTime, nullable=False)
|
|
installment_amount= db.Column(db.Float, default=0.0)
|
|
total_repayment_amount = db.Column(db.Float, default=0.0)
|
|
paid = db.Column(db.Boolean, default=False)
|
|
paid_at = db.Column(db.DateTime, nullable=True)
|
|
|
|
created_at = db.Column(db.DateTime(timezone=True), server_default=func.now())
|
|
updated_at = db.Column(db.DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
|
|
loan = relationship(
|
|
"Loan",
|
|
primaryjoin="LoanRepaymentSchedule.loan_id == Loan.id",
|
|
foreign_keys=[loan_id],
|
|
back_populates="loan_repayment_schedules",
|
|
)
|
|
|
|
|
|
@classmethod
|
|
def add_repayment_schedule(cls, loan, num_schedules, transaction_id):
|
|
"""
|
|
Add repayment schedules for a given loan.
|
|
"""
|
|
now = datetime.now(timezone.utc)
|
|
schedules = []
|
|
|
|
for i in range(num_schedules):
|
|
due_date = now + relativedelta(months=i + 1)
|
|
schedule = LoanRepaymentSchedule(
|
|
loan_id=loan.id,
|
|
installment_number=i + 1,
|
|
due_date=due_date,
|
|
total_repayment_amount = round(loan.repayment_amount, 2),
|
|
installment_amount=round(loan.installment_amount, 2),
|
|
product_id = loan.product_id,
|
|
transaction_id = transaction_id,
|
|
created_at=datetime.now(timezone.utc),
|
|
updated_at=datetime.now(timezone.utc)
|
|
)
|
|
|
|
db.session.add(schedule)
|
|
schedules.append(schedule)
|
|
|
|
return schedules
|
|
|
|
def to_dict(self):
|
|
return {
|
|
'id': self.id,
|
|
'loanId': self.loan_id,
|
|
'installmentNumber': self.installment_number,
|
|
'dueDate': self.due_date.isoformat(),
|
|
'principalAmount': self.principal_amount,
|
|
'interestAmount': self.interest_amount,
|
|
'totalInstallment': self.total_installment,
|
|
'paid': self.paid,
|
|
'paidAt': self.paid_at.isoformat() if self.paid_at else None
|
|
}
|
|
|
|
def __repr__(self):
|
|
return f'<LoanRepaymentSchedule Loan:{self.loan_id} Installment:{self.installment_number}>'
|