func getTransaction()

in payment-credit/main.go [79:109]

• 25 lines of code
• 3 McCabe index (conditional complexity)

func getTransaction(ctx context.Context, orderID string) (models.Payment, error) {

	payment := models.Payment{}

	input := &dynamodb.QueryInput{
		ExpressionAttributeValues: map[string]*dynamodb.AttributeValue{
			":v1": {
				S: aws.String(orderID),
			},
			":v2": {
				S: aws.String("Debit"),
			},
		},
		KeyConditionExpression: aws.String("order_id = :v1 AND payment_type = :v2"),
		TableName:              aws.String(os.Getenv("TABLE_NAME")),
		IndexName:              aws.String("orderIDIndex"),
	}

	// Get payment transaction from database
	result, err := dynamoDB.QueryWithContext(ctx, input)
	if err != nil {
		return payment, err
	}

	err = dynamodbattribute.UnmarshalMap(result.Items[0], &payment)
	if err != nil {
		return payment, fmt.Errorf("failed to DynamoDB unmarshal Payment, %v", err)
	}

	return payment, nil
}