156 lines
6.0 KiB
Python
156 lines
6.0 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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from sqlalchemy.exc import IntegrityError
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from sqlalchemy.orm import relationship
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from sqlalchemy import and_, or_, not_
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from app.models import Customer
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class Loan(db.Model):
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__tablename__ = 'loans'
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#
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# id = db.Column(
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# db.Integer,
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# primary_key=True,
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# autoincrement=True,
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# )
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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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# offer_id = db.Column(db.String(20), nullable=False)
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# initial_loan_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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# product_id = db.Column(db.String(20))
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# current_loan_amount = db.Column(db.Float)
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# default_penalty_fee = db.Column(db.Float)
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# continuous_fee = db.Column(db.Float)
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# due_date = db.Column(db.DateTime)
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#
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# __tablename__ = 'loans'
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id = db.Column(
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db.Integer,
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primary_key=True,
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autoincrement=True,
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)
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customer_id = db.Column(db.String(50), nullable=False)
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transaction_id = db.Column(db.String(50), nullable=True)
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original_transaction = db.Column(db.String(50), nullable=True)
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account_id = db.Column(db.String(50), nullable=False)
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offer_id = db.Column(db.String(20), nullable=False)
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product_id = db.Column(db.String(20), nullable=True)
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collection_type = db.Column(db.String(20), nullable=True)
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current_loan_amount = db.Column(db.Float, nullable=True)
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initial_loan_amount = db.Column(db.Float, nullable=False)
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default_penalty_fee = db.Column(db.Float, default=0)
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continuous_fee = db.Column(db.Float, default=0)
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upfront_fee = db.Column(db.Float, nullable=True, default=0.0)
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repayment_amount = db.Column(db.Float, nullable=True, default=0.0)
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installment_amount = db.Column(db.Float, nullable=True, default=0.0)
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status = db.Column(db.String(20), default='pending')
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due_date = 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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customer = relationship(
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"Customer",
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primaryjoin="Customer.id == Loan.customer_id",
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foreign_keys=[customer_id],
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back_populates="loans",
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)
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@classmethod
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def get_all_loans(cls, customer_id=None, account_id=None, status=None, offer_id=None,
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product_id=None, start_date=None, end_date=None, due_before=None, due_after=None,
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page=1, limit=20):
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"""
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Get all loans with optional filtering
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Args:
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customer_id (str, optional): Filter by customer ID
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account_id (str, optional): Filter by account ID
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status (str, optional): Filter by loan status
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offer_id (str, optional): Filter by offer 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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due_before (datetime, optional): Filter loans due before this date
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due_after (datetime, optional): Filter loans due after this date
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Returns:
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list: List of Loan objects
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"""
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query = cls.query
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logger.info(f"Get all loan models from loans model cme back")
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# Apply filters if provided
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if customer_id:
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query = query.filter(cls.customer_id == customer_id)
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if account_id:
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query = query.filter(cls.account_id == account_id)
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if status:
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query = query.filter(cls.status == status)
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if offer_id:
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query = query.filter(cls.offer_id == offer_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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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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# 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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#
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# def to_dict(self):
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# """
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# Convert the Loan object to a dictionary format for JSON serialization.
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# """
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# return {
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# 'id': self.id,
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# 'customer_id': self.customer_id,
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# 'account_id': self.account_id,
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# 'transaction_id': self.transaction_id,
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# 'original_transaction': self.original_transaction,
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# 'offer_id': self.offer_id,
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# 'initial_loan_amount': self.initial_loan_amount,
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# 'current_loan_amount': self.current_loan_amount,
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# 'status': self.status,
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# 'product_id': self.product_id,
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# 'default_penalty_fee': self.default_penalty_fee,
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# 'continuous_fee': self.continuous_fee,
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# 'upfront_fee': self.upfront_fee,
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# 'repayment_amount': self.repayment_amount,
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# 'installment_amount': self.installment_amount,
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# 'due_date': self.due_date.isoformat() if self.due_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'<Loan {self.id}>' |