update

2025-04-24 12:42:35 +01:00
parent d80a43cb6f
commit 4e63905308
19 changed files with 786 additions and 218 deletions
@@ -0,0 +1,90 @@
+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, 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
+            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 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}>'