Create payment_utils.py

Author: KOSASIH

blockchain_payment_integration/utils/payment_utils.py

@@ -0,0 +1,47 @@
+import uuid
+import logging
+from decimal import Decimal
+
+logger = logging.getLogger(__name__)
+
+def generate_order_id():
+    """Generate a unique order ID using UUID."""
+    order_id = str(uuid.uuid4())
+    logger.debug("Generated order ID: %s", order_id)
+    return order_id
+
+def format_amount(amount, currency):
+    """Format the amount for display or API requests."""
+    try:
+        if currency == "USD":
+            formatted = "${:,.2f}".format(Decimal(amount))
+        else:
+            formatted = "{:,.2f} {}".format(Decimal(amount), currency)
+        logger.debug("Formatted amount: %s", formatted)
+        return formatted
+    except Exception as e:
+        logger.error("Error formatting amount: %s", e)
+        raise ValueError("Invalid amount format")
+
+def log_payment_event(event_type, payment_data):
+    """Log payment events for auditing purposes."""
+    logger.info("Payment Event: %s | Data: %s", event_type, payment_data)
+
+def calculate_total_amount(items):
+    """Calculate the total amount from a list of items."""
+    try:
+        total = sum(Decimal(item['price']) * Decimal(item['quantity']) for item in items)
+        logger.debug("Calculated total amount: %s", total)
+        return total
+    except Exception as e:
+        logger.error("Error calculating total amount: %s", e)
+        raise ValueError("Invalid items for total calculation")
+
+def validate_payment_data(payment_data):
+    """Validate payment data structure."""
+    required_fields = ['amount', 'currency', 'method']
+    for field in required_fields:
+        if field not in payment_data:
+            logger.error("Missing required field: %s", field)
+            raise ValueError(f"Missing required field: {field}")
+    logger.debug("Payment data validated: %s", payment_data)