package utils import "time" func VeryBeginOfDate(date time.Time) time.Time { return time.Date(date.Year(), date.Month(), date.Day(), 0, 0, 0, 0, date.Location()) } func VeryEndOfDate(date time.Time) time.Time { return time.Date(date.Year(), date.Month(), date.Day(), 23, 59, 59, 999999999, date.Location()) } func IsNextMonth(t1, t2 time.Time) bool { var differYear, differMonth int if t1.After(t2) { differYear = t1.Year() - t2.Year() differMonth = int(t1.Month() - t2.Month()) } else { differYear = t2.Year() - t1.Year() differMonth = int(t2.Month() - t1.Month()) } return (differMonth == -11 && differYear == 1) || (differMonth == 1 && differYear == 0) }