feat: allow to edit existing relative reminders

src/helpers/time/period.ts

@@ -0,0 +1,19 @@
+import {SECONDS_A_DAY, SECONDS_A_HOUR, SECONDS_A_MINUTE} from '@/constants/date'
+
+/**
+ * Convert time period given as seconds to days, hour, minutes, seconds
+ */
+export function secondsToPeriod(seconds: number) {
+	const d = Math.floor(seconds / SECONDS_A_DAY)
+	const h = Math.floor(seconds % SECONDS_A_DAY / 3600)
+	const m = Math.floor(seconds % SECONDS_A_HOUR / 60)
+	const s = Math.floor(seconds % 60)
+	return {days: d, hours: h, minutes: m, seconds: s}
+}
+
+/**
+ * Convert time period of days, hour, minutes, seconds to duration in seconds
+ */
+export function periodToSeconds(days: number, hours: number, minutes: number, seconds: number) : number{
+	return days * SECONDS_A_DAY + hours * SECONDS_A_HOUR + minutes * SECONDS_A_MINUTE + seconds
+}