forked from urdt/ussd
22 lines
649 B
Go
22 lines
649 B
Go
package utils
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import "time"
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// CalculateAge calculates the age based on a given birthdate and the current date in the format dd/mm/yy
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// It adjusts for cases where the current date is before the birthday in the current year.
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func CalculateAge(birthdate, today time.Time) int {
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today = today.In(birthdate.Location())
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ty, tm, td := today.Date()
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today = time.Date(ty, tm, td, 0, 0, 0, 0, time.UTC)
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by, bm, bd := birthdate.Date()
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birthdate = time.Date(by, bm, bd, 0, 0, 0, 0, time.UTC)
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if today.Before(birthdate) {
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return 0
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}
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age := ty - by
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anniversary := birthdate.AddDate(age, 0, 0)
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if anniversary.After(today) {
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age--
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}
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return age
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} |