mirror of https://github.com/grafana/grafana.git
50 lines
871 B
Go
50 lines
871 B
Go
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package tsdb
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import (
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"fmt"
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"strings"
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"time"
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)
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func NewTimerange(from, to string) TimeRange {
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return TimeRange{
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From: from,
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To: to,
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Now: time.Now(),
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}
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}
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type TimeRange struct {
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From string
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To string
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Now time.Time
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}
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func (tr TimeRange) FromTime() (time.Time, error) {
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fromRaw := strings.Replace(tr.From, "now-", "", 1)
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diff, err := time.ParseDuration("-" + fromRaw)
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if err != nil {
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return time.Time{}, err
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}
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return tr.Now.Add(diff), nil
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}
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func (tr TimeRange) ToTime() (time.Time, error) {
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if tr.To == "now" {
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return tr.Now, nil
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} else if strings.HasPrefix(tr.To, "now-") {
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withoutNow := strings.Replace(tr.To, "now-", "", 1)
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diff, err := time.ParseDuration("-" + withoutNow)
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if err != nil {
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return time.Time{}, nil
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}
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return tr.Now.Add(diff), nil
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}
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return time.Time{}, fmt.Errorf("cannot parse to value %s", tr.To)
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}
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