mdpasien add edit

utils/getage.utils.go

@@ -0,0 +1,42 @@
+package utils
+
+import (
+	"fmt"
+	"time"
+)
+
+func daysInMonth(t time.Time) int {
+	firstDayOfMonth := time.Date(t.Year(), t.Month(), 1, 0, 0, 0, 0, t.Location())
+	firstDayOfNextMonth := firstDayOfMonth.AddDate(0, 1, 0)
+	return int(firstDayOfNextMonth.Sub(firstDayOfMonth).Hours() / 24)
+}
+func CalculateStringAge(birthDateStr string) (int, int, int, error) {
+	layout := "2006-01-02"
+	birthDate, err := time.Parse(layout, birthDateStr)
+	if err != nil {
+		return 0, 0, 0, err
+	}
+
+	currentDate := time.Now()
+	if currentDate.Before(birthDate) {
+		return 0, 0, 0, fmt.Errorf("birth date is in the future")
+	}
+
+	years := currentDate.Year() - birthDate.Year()
+	months := int(currentDate.Month() - birthDate.Month())
+	days := currentDate.Day() - birthDate.Day()
+
+	// Adjust if current month and day are before birth month and day
+	if days < 0 {
+		previousMonth := currentDate.AddDate(0, -1, 0)
+		days += daysInMonth(previousMonth)
+		months--
+	}
+
+	if months < 0 {
+		years--
+		months += 12
+	}
+
+	return years, months, days, nil
+}