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56470e2 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 | // Copyright 2018 Google LLC
//
// Licensed 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 main
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 shipping quote.
func CreateQuoteFromCount(count int) Quote {
if count == 0 {
return CreateQuoteFromFloat(0)
}
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)),
}
} |