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package model
import (
"encoding/json"
"math"
"strconv"
"strings"
"time"
"airlines/pkg/airports"
)
type Sex uint8
const (
SexUnknown Sex = 0
SexMale Sex = 1
SexFemale Sex = 2
)
func (s *Sex) UnmarshalJSON(b []byte) error {
var raw string
if err := json.Unmarshal(b, &raw); err == nil {
switch strings.ToLower(strings.TrimSpace(raw)) {
case "male":
*s = SexMale
return nil
case "female":
*s = SexFemale
return nil
case "", "unknown", "null":
*s = SexUnknown
return nil
}
}
var n int
if err := json.Unmarshal(b, &n); err == nil {
*s = Sex(n)
return nil
}
*s = SexUnknown
return nil
}
func TzFromAirportRecord(a airports.Airport) *time.Location {
return TzFromOffsetHours(a.Timezone)
}
func TzFromOffsetHours(hours float64) *time.Location {
minTotal := int(math.Round(hours * 60.0))
sec := minTotal * 60
name := fixedZoneNameFromMinutes(minTotal)
return time.FixedZone(name, sec)
}
func fixedZoneNameFromMinutes(minTotal int) string {
sign := "+"
if minTotal < 0 {
sign = "-"
minTotal = -minTotal
}
h := minTotal / 60
m := minTotal % 60
return "UTC" + sign + two(h) + ":" + two(m)
}
func two(x int) string {
if x < 10 {
return "0" + strconv.Itoa(x)
}
return strconv.Itoa(x)
}
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