VivianDee
113 lines
4.5 KiB
Python
113 lines
4.5 KiB
Python
from datetime import datetime, timezone
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from app.extensions import db
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from sqlalchemy.orm import relationship
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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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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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penal_charge = db.Column(db.Float, default=0.0)
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penal_count = db.Column(db.Integer, default=0)
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last_penal_date = db.Column(db.DateTime, nullable=True)
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# loan = relationship(
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# "Loan",
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# primaryjoin="LoanRepaymentSchedule.loan_id == Loan.id",
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# foreign_keys=[loan_id],
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# back_populates="loan_repayment_schedules",
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# )
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@classmethod
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def get_all_repayment_schedules(cls, loan_id=None, product_id=None, transaction_id=None, paid=None,
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due_before=None, due_after=None, installment_number=None,
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page=1, limit=20):
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"""
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Get all loan repayment schedules with optional filtering
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Args:
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loan_id (int, optional): Filter by loan ID
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product_id (str, optional): Filter by product ID
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transaction_id (str, optional): Filter by transaction ID
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paid (bool, optional): Filter by paid status
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due_before (datetime, optional): Filter schedules due before this date
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due_after (datetime, optional): Filter schedules due after this date
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installment_number (int, optional): Filter by installment number
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page (int, optional): Page number for pagination
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limit (int, optional): Number of items per page
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Returns:
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tuple: (list of LoanRepaymentSchedule objects, total count)
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"""
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query = cls.query
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# Apply filters if provided
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if loan_id:
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query = query.filter(cls.loan_id == loan_id)
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if product_id:
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query = query.filter(cls.product_id == product_id)
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if transaction_id:
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query = query.filter(cls.transaction_id == transaction_id)
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if paid is not None:
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query = query.filter(cls.paid == paid)
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if due_before:
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query = query.filter(cls.due_date <= due_before)
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if due_after:
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query = query.filter(cls.due_date >= due_after)
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if installment_number:
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query = query.filter(cls.installment_number == installment_number)
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# Order by due_date and installment_number
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query = query.order_by(cls.due_date.asc(), cls.installment_number.asc())
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# Get total count before pagination
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total_count = query.count()
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# Apply pagination
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offset = (page - 1) * limit
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query = query.limit(limit).offset(offset)
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return query.all(), total_count
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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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'paid_at': self.paid_at.isoformat() if self.paid_at else None,
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'penal_charge': self.penal_charge,
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'penal_count': self.penal_count,
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'last_penal_date': self.last_penal_date.isoformat() if self.last_penal_date 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}>' |