Update transaction_schema.py

FineX/api/v1/schemas/transaction_schema.py

@@ -1,11 +1,37 @@
-from marshmallow import fields, Schema
+# transaction_schema.py
 
+from marshmallow import Schema, fields, validate
+
+# Transaction Schema
 class TransactionSchema(Schema):
-    """
-    A Transaction schema for the FineX project.
-    """
-    id = fields.Int(dump_only=True)
-    amount = fields.Float(required=True)
-    type = fields.Str(required=True)
-    timestamp = fields.DateTime(dump_only=True)
-    user_id = fields.Int(required=True)
+    id = fields.Int(required=True, description="Unique identifier for the transaction")
+    sender = fields.Str(required=True, validate=validate.Length(min=1), description="The sender's identifier")
+    recipient = fields.Str(required=True, validate=validate.Length(min=1), description="The recipient's identifier")
+    amount = fields.Float(required=True, validate=validate.Range(min=0), description="The amount of the transaction")
+    timestamp = fields.DateTime(required=True, description="The timestamp of the transaction")
+    status = fields.Str(required=True, validate=validate.OneOf(["pending", "completed", "failed"]), description="The status of the transaction")
+    currency = fields.Str(required=True, validate=validate.Length(equal=3), description="The currency code (ISO 4217)")
+
+# Example of how to use the schema
+if __name__ == "__main__":
+    # Example transaction data
+    transaction_data = {
+        "id": 1,
+        "sender": "user123",
+        "recipient": "user456",
+        "amount": 100.50,
+        "timestamp": "2024-10-18T12:00:00",
+        "status": "completed",
+        "currency": "USD"
+    }
+
+    # Create an instance of the schema
+    schema = TransactionSchema()
+
+    # Validate and serialize the transaction data
+    result = schema.load(transaction_data)
+    print("Validated Transaction Data:", result)
+
+    # Serialize the transaction data
+    serialized_data = schema.dump(result)
+    print("Serialized Transaction Data:", serialized_data)