Files
FirstCore/app/api/services/loan_service.py
T
2025-04-21 23:40:15 +01:00

162 lines
6.1 KiB
Python

import logging
from datetime import datetime
from flask import jsonify
# Configure logging
logger = logging.getLogger(__name__)
class Loan: # Mock Loan class for demonstration
def __init__(self, id, customer_id, account_id, offer_id, initial_loan_amount, current_loan_amount, status,
product_id, default_penalty_fee, continuous_fee, due_date, created_at, updated_at):
self.id = id
self.customer_id = customer_id
self.account_id = account_id
self.offer_id = offer_id
self.initial_loan_amount = initial_loan_amount
self.current_loan_amount = current_loan_amount
self.status = status
self.product_id = product_id
self.default_penalty_fee = default_penalty_fee
self.continuous_fee = continuous_fee
self.due_date = due_date
self.created_at = created_at
self.updated_at = updated_at
@staticmethod
def get_all_loans(customer_id=None, account_id=None, status=None, offer_id=None, product_id=None, start_date=None,
end_date=None, due_before=None, due_after=None, page=1, limit=20):
# This is a mock implementation. In a real application, this would query a database.
loans = []
# Create some dummy loans for testing
for i in range(limit):
loan = Loan(
id=i + (page - 1) * limit,
customer_id=customer_id or "customer123",
account_id=account_id or "account456",
offer_id=offer_id or "offer789",
initial_loan_amount=1000.00,
current_loan_amount=900.00,
status=status or "active",
product_id=product_id or "product101",
default_penalty_fee=50.00,
continuous_fee=10.00,
due_date=datetime.now(),
created_at=datetime.now(),
updated_at=datetime.now()
)
loans.append(loan)
total_count = 100 # Example total count
return loans, total_count
class LoanService:
"""
Service class for handling loan-related operations.
"""
@staticmethod
def process_request(filters=None):
"""
Process the get loans request.
Args:
filters (dict, optional): Filters for the loans query.
Returns:
dict: A standardized response with loans data.
"""
try:
if filters is None:
filters = {}
# Extract filters
customer_id = filters.get('customer_id')
account_id = filters.get('account_id')
status = filters.get('status')
offer_id = filters.get('offer_id')
product_id = filters.get('product_id')
start_date = filters.get('start_date')
end_date = filters.get('end_date')
due_before = filters.get('due_before')
due_after = filters.get('due_after')
# Extract pagination parameters
page = int(filters.get('page', 1))
limit = int(filters.get('limit', 20))
# Ensure page and limit are valid
if page < 1:
page = 1
if limit < 1 or limit > 100:
limit = 20
# Convert string dates to datetime objects if provided
if start_date and isinstance(start_date, str):
start_date = datetime.fromisoformat(start_date.replace('Z', '+00:00'))
if end_date and isinstance(end_date, str):
end_date = datetime.fromisoformat(end_date.replace('Z', '+00:00'))
if due_before and isinstance(due_before, str):
due_before = datetime.fromisoformat(due_before.replace('Z', '+00:00'))
if due_after and isinstance(due_after, str):
due_after = datetime.fromisoformat(due_after.replace('Z', '+00:00'))
# Get loans with optional filters and pagination
loans, total_count = Loan.get_all_loans(
customer_id=customer_id,
account_id=account_id,
status=status,
offer_id=offer_id,
product_id=product_id,
start_date=start_date,
end_date=end_date,
due_before=due_before,
due_after=due_after,
page=page,
limit=limit
)
# Convert loans to dictionary format
loans_data = []
for loan in loans:
loans_data.append({
'id': loan.id,
'customer_id': loan.customer_id,
'account_id': loan.account_id,
'offer_id': loan.offer_id,
'initial_loan_amount': loan.initial_loan_amount,
'current_loan_amount': loan.current_loan_amount,
'status': loan.status,
'product_id': loan.product_id,
'default_penalty_fee': loan.default_penalty_fee,
'continuous_fee': loan.continuous_fee,
'due_date': loan.due_date.isoformat() if loan.due_date else None,
'created_at': loan.created_at.isoformat() if loan.created_at else None,
'updated_at': loan.updated_at.isoformat() if loan.updated_at else None
})
# Calculate total pages
total_pages = (total_count + limit - 1) // limit
response_data = {
'loans': loans_data,
'count': len(loans_data),
'pagination': {
'total_count': total_count,
'total_pages': total_pages,
'current_page': page,
'limit': limit,
'has_next': page < total_pages,
'has_prev': page > 1
}
}
return response_data
except Exception as e:
logger.error(f"An error occurred: {str(e)}", exc_info=True)
return jsonify({
"message": "Internal Server Error"
# "message": f"Internal Server Error: {str(e)}"
}), 500