setup services to talk to models

app/services/__init__.py

@@ -0,0 +1 @@
+from .transactions import TransactionService

app/services/transactions.py

@@ -0,0 +1,10 @@
+from app.models import Transaction
+
+class TransactionService:
+
+    @staticmethod
+    def get_transaction_by_id(transaction_id):
+        """
+        Get the transaction by ID
+        """
+        return Transaction.get_transaction_by_id(transaction_id)