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gtime: some code style refactoring (#17369)

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Carl Bergquist 2019-06-10 07:38:31 +02:00 committed by GitHub
parent bc7c420ee8
commit 912df2e284
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 20 additions and 15 deletions
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33
pkg/components/gtime/gtime.go
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@ -6,23 +6,26 @@ import (
"time"
)
// ParseInterval parses and interval with support for all units that Grafana uses.
var dateUnitPattern = regexp.MustCompile(`(\d+)([wdy])`)
// ParseInterval parses an interval with support for all units that Grafana uses.
func ParseInterval(interval string) (time.Duration, error) {
re := regexp.MustCompile(`(\d+)([wdy])`)
result := re.FindSubmatch([]byte(interval))
result := dateUnitPattern.FindSubmatch([]byte(interval))
if len(result) == 3 {
num, _ := strconv.Atoi(string(result[1]))
period := string(result[2])
if period == `d` {
return time.Hour * 24 * time.Duration(num), nil
} else if period == `w` {
return time.Hour * 24 * 7 * time.Duration(num), nil
} else {
return time.Hour * 24 * 7 * 365 * time.Duration(num), nil
}
} else {
if len(result) != 3 {
return time.ParseDuration(interval)
}
num, _ := strconv.Atoi(string(result[1]))
period := string(result[2])
if period == `d` {
return time.Hour * 24 * time.Duration(num), nil
}
if period == `w` {
return time.Hour * 24 * 7 * time.Duration(num), nil
}
return time.Hour * 24 * 7 * 365 * time.Duration(num), nil
}

2
pkg/components/gtime/gtime_test.go
View File

@ -15,7 +15,9 @@ func TestParseInterval(t *testing.T) {
}{
{interval: "1d", duration: time.Hour * 24},
{interval: "1w", duration: time.Hour * 24 * 7},
{interval: "2w", duration: time.Hour * 24 * 7 * 2},
{interval: "1y", duration: time.Hour * 24 * 7 * 365},
{interval: "5y", duration: time.Hour * 24 * 7 * 365 * 5},
{interval: "1M", err: errors.New("time: unknown unit M in duration 1M")},
{interval: "invalid-duration", err: errors.New("time: invalid duration invalid-duration")},
}