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package hotline
import (
"encoding/binary"
"slices"
"time"
)
type Time [8]byte
// NewTime converts a time.Time to the 8 byte Hotline time format:
// Year (2 bytes), milliseconds (2 bytes) and seconds (4 bytes)
func NewTime(t time.Time) (b Time) {
yearBytes := make([]byte, 2)
secondBytes := make([]byte, 4)
// Get a time.Time for January 1st 00:00 from t so we can calculate the difference in seconds from t
startOfYear := time.Date(t.Year(), time.January, 1, 0, 0, 0, 0, time.Local)
binary.BigEndian.PutUint16(yearBytes, uint16(t.Year()))
binary.BigEndian.PutUint32(secondBytes, uint32(t.Sub(startOfYear).Seconds()))
return [8]byte(slices.Concat(
yearBytes,
[]byte{0, 0},
secondBytes,
))
}
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