Azeez Muibi
78 lines
2.8 KiB
Python
78 lines
2.8 KiB
Python
from datetime import datetime, timezone
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from app.extensions import db
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from sqlalchemy.exc import IntegrityError
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class Repayment(db.Model):
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__tablename__ = 'repayments'
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id = db.Column(db.Integer, primary_key=True, autoincrement=True)
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loan_id = db.Column(db.String(50), nullable=False)
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customer_id = db.Column(db.String(50), nullable=False)
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product_id = db.Column(db.String(50), nullable=False)
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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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transaction_id = db.Column(db.String(50))
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@classmethod
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def get_all_repayments(cls, loan_id=None, customer_id=None, product_id=None,
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start_date=None, end_date=None, page=1, limit=20):
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"""
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Get all repayments with optional filtering
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Args:
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loan_id (str, optional): Filter by loan ID
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customer_id (str, optional): Filter by customer ID
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product_id (str, optional): Filter by product ID
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start_date (datetime, optional): Filter by start date (created_at)
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end_date (datetime, optional): Filter by end date (created_at)
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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 Repayment 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 customer_id:
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query = query.filter(cls.customer_id == customer_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 start_date:
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query = query.filter(cls.created_at >= start_date)
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if end_date:
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query = query.filter(cls.created_at <= end_date)
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# Order by created_at descending (newest first)
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query = query.order_by(cls.created_at.desc())
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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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"""
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Convert the Repayment object to a dictionary format for JSON serialization.
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"""
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return {
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'loan_id': self.loan_id,
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'customer_id': self.customer_id,
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'product_id': self.product_id,
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'transaction_id': self.transaction_id,
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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'<Repayment {self.id}>' |