VivianDee
61 lines
1.9 KiB
Python
61 lines
1.9 KiB
Python
from datetime import datetime, timezone
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from app.extensions import db
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from app.models.customer import Customer
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from app.models.account import Account
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class Loan(db.Model):
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__tablename__ = 'loans'
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id = db.Column(db.String(50), primary_key=True)
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customer_id = db.Column(db.String(50), nullable=False)
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account_id = db.Column(db.String(50), nullable=False)
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product_id = db.Column(db.String(20), nullable=False)
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principal_amount = db.Column(db.Float, nullable=False)
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status = db.Column(db.String(20), default='pending')
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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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@classmethod
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def create_loan(cls, id, customer_id, account_id, product_id, principal_amount, status='pending'):
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# Check if customer exists
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is_valid = Customer.is_valid_customer(customer_id)
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if not is_valid:
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raise ValueError("Customer does not exist")
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# # Check for active loans
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# has_active_loans = cls.has_active_loans(customer_id)
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# if has_active_loans:
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# raise ValueError("Customer has active loans")
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# Create and save the loan
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loan = cls(
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id=id,
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customer_id=customer_id,
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account_id=account_id,
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product_id=product_id,
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principal_amount=principal_amount,
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status=status
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)
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db.session.add(loan)
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db.session.commit()
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return loan
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@classmethod
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def has_active_loans(cls, customer_id):
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active_loans = cls.query.filter_by(
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customer_id=customer_id,
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status='active'
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).count()
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if active_loans > 0:
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return False
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return True
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def __repr__(self):
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return f'<Loan {self.id}>' |