Chinenye Nmoh
104 lines
4.2 KiB
Python
104 lines
4.2 KiB
Python
from datetime import datetime, timezone
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from app.extensions import db
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from app.utils.logger import logger
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from sqlalchemy.exc import SQLAlchemyError
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# from dateutil.relativedelta import relativedelta
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class LoanRepaymentSchedule(db.Model):
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__tablename__ = 'loan_repayment_schedules'
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id = db.Column(db.Integer, primary_key=True, autoincrement=True)
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loan_id = db.Column(db.Integer, nullable=False)
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transaction_id = db.Column(db.String(50), nullable=True)
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product_id = db.Column(db.String(20), nullable=True)
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installment_number = db.Column(db.Integer, nullable=False)
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due_date = db.Column(db.DateTime, nullable=False)
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installment_amount= db.Column(db.Float, default=0.0)
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total_repayment_amount = db.Column(db.Float, default=0.0)
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paid = db.Column(db.Boolean, default=False)
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paid_at = db.Column(db.DateTime, nullable=True)
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due_process_date = db.Column(db.DateTime, nullable=True)
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due_process_count = db.Column(db.Integer, default=0)
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created_at = db.Column(db.DateTime, default=datetime.now(timezone.utc))
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updated_at = db.Column(db.DateTime, default=datetime.now(timezone.utc), onupdate=datetime.now(timezone.utc))
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def to_dict(self):
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return {
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'id': self.id,
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'loan_id': self.loan_id,
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'product_id': self.product_id,
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'transaction_id': self.transaction_id,
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'installment_number': self.installment_number,
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'due_date': self.due_date.isoformat() if self.due_date else None,
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'installment_amount': self.installment_amount,
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'total_repayment_amount': self.total_repayment_amount,
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'paid': self.paid,
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'due_process_date': self.due_process_date.isoformat() if self.due_process_date else None,
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'due_process_count': self.due_process_count,
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'paid_at': self.paid_at.isoformat() if self.paid_at else None,
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'created_at': self.created_at.isoformat() if self.created_at else None,
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'updated_at': self.updated_at.isoformat() if self.updated_at else None
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}
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def __repr__(self):
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return f'<LoanRepaymentSchedule Loan:{self.loan_id} Installment:{self.installment_number}>'
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@classmethod
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def get_repayment_schedule_by_loan_id(cls, loan_id):
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"""
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Get repayment schedule by loan ID
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"""
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try:
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return cls.query.filter_by(loan_id=loan_id).all()
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except Exception as e:
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logger.error(f"Error fetching repayment schedule for loan_id={loan_id}: {e}")
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return []
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@classmethod
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def get_repayment_schedule_by_transaction_id(cls, transaction_id):
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"""
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Get repayment schedule by transaction ID
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"""
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return cls.query.filter_by(transaction_id=transaction_id).all()
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@classmethod
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def update_repayment_schedule_status(cls, schedule_id, paid=False):
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"""
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Update repayment schedule status.
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Args:
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schedule_id (int): ID of the repayment schedule.
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paid (bool): Whether the repayment is marked as paid or not.
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Returns:
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schedule (RepaymentSchedule | None): The updated schedule object, or None if not found.
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"""
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try:
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# Fetch the repayment schedule by ID
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schedule = cls.query.get(schedule_id)
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if schedule:
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# Update payment status
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schedule.paid = paid
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schedule.paid_at = datetime.now(timezone.utc) if paid else None
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if schedule.due_process_count is None:
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schedule.due_process_count = 0
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schedule.due_process_count += 1
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schedule.due_process_date = datetime.now(timezone.utc)
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# Commit changes to the database
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db.session.commit()
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return schedule
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except SQLAlchemyError as e:
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# Rollback changes if something goes wrong at the DB level
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db.session.rollback()
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logger.error(f"Database error updating repayment schedule {schedule_id}: {e}")
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return None
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except Exception as e:
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# Catch any other unexpected error
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logger.error(f"Unexpected error updating repayment schedule {schedule_id}: {e}")
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return None |