[update]: Database schema

app/models/account.py

@@ -1,17 +1,16 @@
-from datetime import datetime
+from datetime import datetime, timezone
 from app import db
 
 class Account(db.Model):
     __tablename__ = 'accounts'
-    __table_args__ = {'schema': 'flask_app'} 
 
     id = db.Column(db.String(50), primary_key=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')
     lien_amount = db.Column(db.Float, default=0.0)
-    created_at = db.Column(db.DateTime, default=datetime.utcnow)
-    updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
+    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))
 
     # Database relationship
     # customer = db.relationship(

app/models/customer.py

@@ -1,15 +1,14 @@
-from datetime import datetime
+from datetime import datetime, timezone
 from app import db
 
 class Customer(db.Model):
     __tablename__ = 'customers'
-    __table_args__ = {'schema': 'flask_app'} 
 
     id = db.Column(db.String(50), primary_key=True) 
     msisdn = db.Column(db.String(20), unique=True, nullable=False)
     country_code = db.Column(db.String(3), nullable=False)
-    created_at = db.Column(db.DateTime, default=datetime.utcnow)
-    updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
+    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))
 
     @classmethod
     def is_eligible(cls, customer_id):

app/models/loan.py

@@ -1,10 +1,9 @@
-from datetime import datetime
+from datetime import datetime, timezone
 from app import db
 
 
 class Loan(db.Model):
     __tablename__ = 'loans'
-    __table_args__ = {'schema': 'flask_app'} 
 
     id = db.Column(db.String(50), primary_key=True) 
     customer_id = db.Column(db.String(50), nullable=False)
@@ -12,8 +11,8 @@ class Loan(db.Model):
     product_id = db.Column(db.String(20), nullable=False)
     principal_amount = db.Column(db.Float, nullable=False)
     status = db.Column(db.String(20), default='pending')
-    created_at = db.Column(db.DateTime, default=datetime.utcnow)
-    updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
+    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))
 
 
     @classmethod

app/models/offer.py

@@ -1,15 +1,16 @@
-from datetime import datetime
+from datetime import datetime, timezone
 from app import db
 
 class Offer(db.Model):
     __tablename__ = 'offers'
-    __table_args__ = {'schema': 'flask_app'} 
 
     id = db.Column(db.Integer, primary_key=True)
-    amount = db.Column(db.Float, nullable=False)
-    interest_rate = db.Column(db.Float, nullable=False)
-    created_at = db.Column(db.DateTime, default=datetime.utcnow)
-    updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
+    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)
+    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))
 
     def __repr__(self):
         return f'<LoanOffer {self.id}>'

app/models/transaction.py

@@ -1,17 +1,16 @@
-from datetime import datetime
+from datetime import datetime, timezone
 from app import db
 
 class Transaction(db.Model):
     __tablename__ = 'transactions'
-    __table_args__ = {'schema': 'flask_app'} 
 
     id = db.Column(db.String(50), primary_key=True)
     account_id = db.Column(db.String(50), nullable=False)
     type = db.Column(db.String(50), nullable=False)
     amount = db.Column(db.Float, nullable=False)
     status = db.Column(db.String(20), default='pending')
-    created_at = db.Column(db.DateTime, default=datetime.utcnow)
-    updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
+    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))
 
     def __repr__(self):
         return f'<Transaction {self.id}>'