blob: 97bd3d53e10131a1795c4ad4ee716efc6db78b84 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
// Copyright © 2022 siddharth ravikumar <s@ricketyspace.net>
// SPDX-License-Identifier: ISC
// ISO 8601 utility functions
package time
import (
"fmt"
"regexp"
"strconv"
)
// ISO 8601 Duration regex for matching duration in PT3H4M60S format.
var durationRegex = regexp.MustCompile(`PT(([0-9]{0,2})?H)?(([0-9]{0,2})?M)?(([0-9]{0,2}?)S)?`)
// Converts ISO 8601 duration[1] to seconds.
//
// Recognizes durations in this format: PT3H4M60S
//
// [1]: https://en.wikipedia.org/wiki/ISO_8601#Durations
func durationToSeconds(duration string) (int, error) {
m := durationRegex.FindStringSubmatch(duration)
if m == nil || len(m) == 0 {
return 0, fmt.Errorf("duration invalid: %v", duration)
}
hours, err := strconv.Atoi(m[2])
if err != nil {
hours = 0
}
mins, err := strconv.Atoi(m[4])
if err != nil {
mins = 0
}
secs, err := strconv.Atoi(m[6])
if err != nil {
secs = 0
}
// Add 'em all together.
secs += hours * 3600
secs += mins * 60
return secs, nil
}
|
