init: 1.0.0

pkg/calculateMonths/calculateMonths.go

@@ -0,0 +1,17 @@
+package calculateMonths
+
+import "time"
+
+// CalculateMonths calculates the number of months between startTime and endTime.
+// It rounds up to the next month if there are remaining days.
+func CalculateMonths(startTime, endTime time.Time) int8 {
+	// Calculate the year and month difference
+	years := endTime.Year() - startTime.Year()
+	months := int8(years*12) + int8(endTime.Month()) - int8(startTime.Month())
+
+	// Always round up if endTime is not on the same or earlier day of the month
+	if endTime.Day() > startTime.Day() || (endTime.Day() < startTime.Day() && endTime.After(startTime)) {
+		months++
+	}
+	return months
+}

pkg/calculateMonths/calculateMonths_test.go

@@ -0,0 +1,13 @@
+package calculateMonths
+
+import (
+	"testing"
+	"time"
+)
+
+func TestCalculateMonths(t *testing.T) {
+	startTime, _ := time.Parse(time.DateTime, "2025-01-15 00:00:00")
+	EndTime, _ := time.Parse(time.DateTime, "2025-05-15 00:00:00")
+	months := CalculateMonths(startTime, EndTime)
+	t.Log(months)
+}