online_boutique_demo/src/shippingservice/handler/quote.go

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package handler

import (
	"fmt"
	"math"
)

// Quote represents a currency value.
type Quote struct {
	Dollars uint32
	Cents   uint32
}

// String representation of the Quote.
func (q Quote) String() string {
	return fmt.Sprintf("$%d.%d", q.Dollars, q.Cents)
}

// CreateQuoteFromCount takes a number of items and returns a Price struct.
func CreateQuoteFromCount(count int) Quote {
	return CreateQuoteFromFloat(8.99)
}

// CreateQuoteFromFloat takes a price represented as a float and creates a Price struct.
func CreateQuoteFromFloat(value float64) Quote {
	units, fraction := math.Modf(value)
	return Quote{
		uint32(units),
		uint32(math.Trunc(fraction * 100)),
	}
}