Models added

app/models/loan.py

@@ -31,6 +31,7 @@ class Loan(db.Model):
     repayment_amount = db.Column(db.Float, nullable=True, default=0.0)
     installment_amount = db.Column(db.Float, nullable=True, default=0.0)
     status = db.Column(db.String(20), default='pending')
+    tenor = db.Column(db.Integer, nullable=True)
     due_date = db.Column(db.DateTime, nullable=True)
     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))

app/models/loan_repayment_schedule.py

@@ -8,6 +8,7 @@ class LoanRepaymentSchedule(db.Model):
 
     id = db.Column(db.Integer, primary_key=True, autoincrement=True)
     loan_id = db.Column(db.Integer, nullable=False)
+    transaction_id = db.Column(db.String(50), nullable=True)
     product_id = db.Column(db.String(20), nullable=True)
     installment_number = db.Column(db.Integer, nullable=False)
     due_date = db.Column(db.DateTime, nullable=False)

app/models/offer.py

@@ -0,0 +1,66 @@
+from datetime import datetime, timezone
+from app.extensions import db
+from app.models.charge import Charge
+from sqlalchemy.orm import relationship
+
+class Offer(db.Model):
+    __tablename__ = 'offers'
+
+    id = db.Column(db.String, primary_key=True)
+    product_id = db.Column(db.String, nullable=False)
+    min_amount = db.Column(db.Float, nullable=False)
+    max_amount = db.Column(db.Float, nullable=False)
+    tenor = db.Column(db.Integer, nullable=False)
+    schedule = db.Column(db.Integer, nullable=True)
+    interest_rate = db.Column(db.Float, default=3.0)
+    management_rate = db.Column(db.Float, default=1.0)
+    insurance_rate = db.Column(db.Float, default=1.0)
+    vat_rate = db.Column(db.Float, default=7.5)
+    list_order = db.Column(db.Integer, nullable=True)
+    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))
+
+    charges = relationship(
+        "Charge",
+        primaryjoin="Offer.id == Charge.offer_id",
+        foreign_keys="Charge.offer_id",
+        back_populates="offer",
+    )
+
+    @classmethod
+    def get_all_offers(cls):
+        """
+        Return all offers in dictionary format.
+        """
+        offers = cls.query.all()
+
+        if not offers:
+            raise ValueError(f"No available offers")        
+        return offers
+    
+    @classmethod
+    def is_valid_offer(cls, offer_id):
+        offer = cls.query.filter_by(id=str(offer_id)).first()
+
+
+        if not offer:
+            return False
+        return offer
+
+
+    
+    def to_dict(self):
+        return {
+            "offerId": self.id,
+            "productId": self.product_id,
+            "minAmount": self.min_amount,
+            "maxAmount": self.max_amount,
+            "tenor": self.tenor,
+            "interest_rate": self.interest_rate,
+            "management_rate": self.management_rate,
+            "insurance_rate": self.insurance_rate,
+            "vat_rate": self.vat_rate
+        }
+    
+    def __repr__(self):
+        return f'<LoanOffer {self.id}>'