add contract customer model

api/models/__init__.py

@@ -1,2 +1,3 @@
 from .designer import Designer
 from .category import Category
+from .contract_customer import ContractCustomer

api/models/contract_customer.py

@@ -0,0 +1,19 @@
+from api import db
+
+
+class ContractCustomer(db.Model):
+    __tablename__ = 'contract_customers'
+
+    id = db.Column('contractcustomerid', db.Integer, primary_key=True)
+    country = db.Column(db.String(2))
+    pricepremium = db.Column(db.Numeric, nullable=False, default=0)
+    dealerstore = db.Column(db.Boolean, nullable=False, default=False)
+    dealerurl = db.Column(db.String(255), nullable=False)
+
+    def to_json(self):
+        return {
+            'id': self.id,
+            'pricepremium': self.pricepremium,
+            'dealerstore': self.dealerstore,
+            'dealerurl': self.dealerurl
+        }