Azeez Muibi
94 lines
3.4 KiB
Python
94 lines
3.4 KiB
Python
from datetime import datetime, timezone
|
|
from app.extensions import db
|
|
from sqlalchemy.exc import IntegrityError
|
|
|
|
class LoanCharge(db.Model):
|
|
__tablename__ = 'loan_charges'
|
|
|
|
id = db.Column(db.Integer, primary_key=True, autoincrement=True)
|
|
loan_id = db.Column(db.Integer, nullable=False)
|
|
code = db.Column(db.String(50), nullable=False)
|
|
amount = db.Column(db.Float, default=0.00)
|
|
percent = db.Column(db.Float)
|
|
description = db.Column(db.String(255))
|
|
due = db.Column(db.Integer)
|
|
created_at = db.Column(db.DateTime, default=datetime.now(timezone.utc))
|
|
updated_at = db.Column(db.DateTime, default=datetime.now(timezone.utc), onupdate=datetime.now(timezone.utc))
|
|
transaction_id = db.Column(db.String(50))
|
|
due_date = db.Column(db.DateTime)
|
|
|
|
@classmethod
|
|
def get_all_loan_charges(cls, loan_id=None, transaction_id=None, code=None, start_date=None, end_date=None,
|
|
due_before=None, due_after=None, page=1, limit=20):
|
|
"""
|
|
Get all loan charges with optional filtering
|
|
|
|
Args:
|
|
loan_id (int, optional): Filter by loan ID
|
|
transaction_id (int, optional): Filter by transaction ID
|
|
code (str, optional): Filter by charge code
|
|
start_date (datetime, optional): Filter by start date (created_at)
|
|
end_date (datetime, optional): Filter by end date (created_at)
|
|
due_before (datetime, optional): Filter charges due before this date
|
|
due_after (datetime, optional): Filter charges due after this date
|
|
page (int, optional): Page number for pagination
|
|
limit (int, optional): Number of items per page
|
|
|
|
Returns:
|
|
tuple: (list of LoanCharge objects, total count)
|
|
"""
|
|
query = cls.query
|
|
|
|
# Apply filters if provided
|
|
if loan_id:
|
|
query = query.filter(cls.loan_id == loan_id)
|
|
|
|
if transaction_id:
|
|
query = query.filter(cls.transaction_id == transaction_id)
|
|
|
|
if code:
|
|
query = query.filter(cls.code == code)
|
|
|
|
if start_date:
|
|
query = query.filter(cls.created_at >= start_date)
|
|
|
|
if end_date:
|
|
query = query.filter(cls.created_at <= end_date)
|
|
|
|
if due_before:
|
|
query = query.filter(cls.due_date <= due_before)
|
|
|
|
if due_after:
|
|
query = query.filter(cls.due_date >= due_after)
|
|
|
|
# Order by created_at descending (newest first)
|
|
query = query.order_by(cls.created_at.desc())
|
|
|
|
# Get total count before pagination
|
|
total_count = query.count()
|
|
|
|
# Apply pagination
|
|
offset = (page - 1) * limit
|
|
query = query.limit(limit).offset(offset)
|
|
|
|
return query.all(), total_count
|
|
|
|
def to_dict(self):
|
|
"""
|
|
Convert the LoanCharge object to a dictionary format for JSON serialization.
|
|
"""
|
|
return {
|
|
'loan_id': self.loan_id,
|
|
'code': self.code,
|
|
'amount': self.amount,
|
|
'percent': self.percent,
|
|
'description': self.description,
|
|
'due': self.due,
|
|
'transaction_id': self.transaction_id,
|
|
'due_date': self.due_date.isoformat() if self.due_date else None,
|
|
'created_at': self.created_at.isoformat() if self.created_at else None,
|
|
'updated_at': self.updated_at.isoformat() if self.updated_at else None
|
|
}
|
|
|
|
def __repr__(self):
|
|
return f'<LoanCharge {self.id}>' |