[add]: Salary table

app/models/salary.py

@@ -0,0 +1,31 @@
+from datetime import datetime, timezone
+from app.extensions import db
+from sqlalchemy.sql import func
+
+class Salary(db.Model):
+    __tablename__ = 'salaries'
+
+    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
+    customer_id = db.Column(db.String(50), nullable=False)
+    account_type = db.Column(db.String(50))
+    status = db.Column(db.String(20), default='active')
+    amount = db.Column(db.Float, nullable=False, default=0.0)
+    salary_date = db.Column(db.DateTime(timezone=False), server_default=func.now())
+    created_at = db.Column(db.DateTime(timezone=False), server_default=func.now())
+    updated_at = db.Column(db.DateTime(timezone=False), server_default=func.now(), onupdate=func.now())
+
+    def to_dict(self):
+        return {
+            "id": self.id,
+            "customer_id": self.customer_id,
+            "account_type": self.account_type,
+            "status": self.status,
+            "amount": self.amount,
+            "salary_date": self.salary_date.isoformat() if self.salary_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'<Salary {self.id} - {self.amount}>'
+