/*
   GoToSocial
   Copyright (C) 2021-2023 GoToSocial Authors admin@gotosocial.org

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU Affero General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU Affero General Public License for more details.

   You should have received a copy of the GNU Affero General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

package util

import "time"

// ISO8601 is a formatter for serializing times that forces ISO8601 behavior.
const ISO8601 = "2006-01-02T15:04:05.000Z"

// FormatISO8601 converts the given time to UTC and then formats it
// using the ISO8601 const, which the Mastodon API is able to understand.
func FormatISO8601(t time.Time) string {
	return t.UTC().Format(ISO8601)
}

// ParseISO8601 parses the given time string according to the ISO8601 const.
func ParseISO8601(in string) (time.Time, error) {
	return time.Parse(ISO8601, in)
}