rc1

timeutil/timeutil.go

@@ -0,0 +1,39 @@
+package timeutil
+
+import "time"
+
+func FirstSecondInPeriod(since time.Time, period string) (_ time.Time) {
+	y, m, d := since.Date()
+
+	switch period {
+	case "h":
+		h := since.Hour()
+		return time.Date(y, m, d, h, 0, 0, 0, time.Local)
+	case "d":
+		return time.Date(y, m, d, 0, 0, 0, 0, time.Local)
+	case "m":
+		return time.Date(y, m, 1, 0, 0, 0, 0, time.Local)
+	default:
+		return since
+	}
+}
+
+func LastSecondInPeriod(until time.Time, period string) (_ time.Time) {
+	y, m, d := until.Date()
+
+	switch period {
+	case "h":
+		h := until.Hour()
+		return time.Date(y, m, d, h, 59, 59, 0, time.Local)
+	case "d":
+		return time.Date(y, m, d, 23, 59, 59, 0, time.Local)
+	case "m":
+		tm := time.Date(y, m, 1, 23, 59, 59, 0, time.Local)
+		// Додаю місяць
+		tm = tm.AddDate(0, 1, 0)
+		// Віднімаю день
+		return tm.AddDate(0, 0, -1)
+	default:
+		return until
+	}
+}