/
time.go
74 lines (64 loc) · 1.51 KB
/
time.go
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
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
package main
import (
"fmt"
"strconv"
"time"
)
// TimeLayouts is a list of time layouts that are used when parsing
// a time string.
var timeLayouts = []string{
"02-01-2006",
"02-01-2006 3:04 PM",
"02-01-2006 3:04 PM -0700",
"02-01-2006 3:04 PM -07:00",
"_2 January 2006",
"_2 January 2006 3:04 PM",
"_2 January 2006 3:04 PM -0700",
"_2 January 2006 3:04 PM -07:00",
"2006-01-02",
"2006-01-02 3:04 PM",
"2006-01-02 3:04 PM -0700",
"2006-01-02 3:04 PM -07:00",
time.RFC1123,
time.RFC1123Z,
time.RFC822,
time.RFC822Z,
"January _2, 2006",
"January _2, 2006 3:04 PM",
"January _2, 2006 3:04 PM -0700",
"January _2, 2006 3:04 PM -07:00",
"Jan _2, 2006",
"Jan _2, 2006, 3:04 PM",
"Jan _2, 2006 3:04 PM -0700",
"Jan _2, 2006 3:04 PM -07:00",
time.RFC3339,
time.ANSIC,
}
// ParseTimeString parses a string into a Unix timestamp. The string may represent an
// absolute time, duration relative to the current time, or a millisecond resolution
// timestamp. All times are converted to UTC.
func ParseTimeString(s string) (int64, error) {
var (
t time.Time
d time.Duration
err error
)
// Duration
d, err = time.ParseDuration(s)
if err == nil {
return time.Now().UTC().Add(d).Unix(), nil
}
// Parse time.
for _, layout := range timeLayouts {
t, err = time.Parse(layout, s)
if err == nil {
return t.UTC().Unix(), nil
}
}
// Timestamp; assume this is UTC time.
i, err := strconv.ParseInt(s, 10, 64)
if err == nil {
return i, nil
}
return 0, fmt.Errorf("[time] could not parse %s", s)
}