mirror of
https://codeberg.org/scip/ephemerup.git
synced 2025-12-16 20:20:58 +01:00
97 lines
2.4 KiB
Go
97 lines
2.4 KiB
Go
/*
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Copyright © 2023 Thomas von Dein
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package common
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import (
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"regexp"
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"strconv"
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"time"
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)
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// https://gist.github.com/rhcarvalho/9338c3ff8850897c68bc74797c5dc25b
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// Timestamp is like time.Time, but knows how to unmarshal from JSON
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// Unix timestamp numbers or RFC3339 strings, and marshal back into
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// the same JSON representation.
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type Timestamp struct {
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time.Time
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rfc3339 bool
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}
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func (t Timestamp) MarshalJSON() ([]byte, error) {
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if t.rfc3339 {
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return t.Time.MarshalJSON()
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}
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return t.formatUnix()
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}
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func (t *Timestamp) UnmarshalJSON(data []byte) error {
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err := t.Time.UnmarshalJSON(data)
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if err != nil {
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return t.parseUnix(data)
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}
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t.rfc3339 = true
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return nil
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}
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func (t Timestamp) formatUnix() ([]byte, error) {
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sec := float64(t.Time.UnixNano()) * float64(time.Nanosecond) / float64(time.Second)
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return strconv.AppendFloat(nil, sec, 'f', -1, 64), nil
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}
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func (t *Timestamp) parseUnix(data []byte) error {
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f, err := strconv.ParseFloat(string(data), 64)
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if err != nil {
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return err
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}
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t.Time = time.Unix(0, int64(f*float64(time.Second/time.Nanosecond)))
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return nil
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}
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/*
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We could use time.ParseDuration(), but this doesn't support days.
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We could also use github.com/xhit/go-str2duration/v2, which does
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the job, but it's just another dependency, just for this little
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gem. And we don't need a time.Time value.
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Convert a duration into seconds (int).
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Valid time units are "s", "m", "h" and "d".
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*/
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func Duration2int(duration string) int {
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re := regexp.MustCompile(`(\d+)([dhms])`)
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seconds := 0
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for _, match := range re.FindAllStringSubmatch(duration, -1) {
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if len(match) == 3 {
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v, _ := strconv.Atoi(match[1])
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switch match[2][0] {
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case 'd':
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seconds += v * 86400
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case 'h':
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seconds += v * 3600
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case 'm':
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seconds += v * 60
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case 's':
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seconds += v
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}
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}
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}
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return seconds
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}
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