Cfeate transactions

app/models/transactions.py

@@ -1,6 +1,8 @@
 from app.extensions import db
 from datetime import datetime, timezone
 
+from app.utils.logger import logger
+
 class Transaction(db.Model):
     __tablename__ = "transactions"
 
@@ -18,6 +20,30 @@ class Transaction(db.Model):
     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 create_transaction(cls, transaction_id, account_id, customer_id, type, channel):
+
+        if cls.query.filter( and_( cls.transaction_id ==transaction_id, cls.type==type) ).first():
+            logger.error(f"Transaction already exists for {type}")
+            return '' # dont raise - do not crash beacause of this
+
+        transaction = cls(
+            transaction_id = transaction_id,
+            customer_id = customer_id,
+            account_id = account_id,
+            type = type,
+            channel = channel,
+            created_at=datetime.now(timezone.utc),
+            updated_at=datetime.now(timezone.utc)
+        )
+
+        try:
+            db.session.add(transaction)
+        except IntegrityError as err:
+            raise ValueError(f"Database integrity error: {err}")
+
+        return transaction
+
     def __repr__(self):
         return f'<Transaction {self.id}>'