def add_dimension_quantity()

in app/marketplace.py [0:0]


    def add_dimension_quantity(self, dimension, quantity):
        """ Adds the quantity given to the quantity in the DB for the given dimension """
        logger.info(
            f"add_dimension_quantity {dimension}, new quantity: [{quantity}]")
        updated_dimension = self._dimensions_table.query(
            KeyConditionExpression=Key(self.NAME).eq(
                dimension.name))["Items"][0]
        dim = Dimension(name=updated_dimension[self.NAME],
                        quantity=updated_dimension[self.QUANTITY],
                        timestamp=updated_dimension[self.TIMESTAMP])
        dim.quantity += quantity
        self._update_dimension(dim)