52 lines
1.4 KiB
Go
52 lines
1.4 KiB
Go
package utils
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import (
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"fmt"
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"strconv"
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"time"
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)
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// ParseDurationString parses a string to a duration
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// Duration notations are an integer followed by a unit
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// Units are s = second, m = minute, d = day, w = week, M = month, y = year
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// Example 1y is the same as 1 year.
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func ParseDurationString(input string) (time.Duration, error) {
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var duration time.Duration
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matches := reDuration.FindStringSubmatch(input)
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switch {
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case len(matches) == 3 && matches[2] != "":
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d, _ := strconv.Atoi(matches[1])
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switch matches[2] {
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case "y":
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duration = time.Duration(d) * Year
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case "M":
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duration = time.Duration(d) * Month
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case "w":
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duration = time.Duration(d) * Week
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case "d":
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duration = time.Duration(d) * Day
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case "h":
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duration = time.Duration(d) * Hour
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case "m":
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duration = time.Duration(d) * time.Minute
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case "s":
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duration = time.Duration(d) * time.Second
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}
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case input == "0" || len(matches) == 3:
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seconds, err := strconv.Atoi(input)
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if err != nil {
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return 0, fmt.Errorf("could not convert the input string of %s into a duration: %s", input, err)
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}
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duration = time.Duration(seconds) * time.Second
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case input != "":
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// Throw this error if input is anything other than a blank string, blank string will default to a duration of nothing
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return 0, fmt.Errorf("could not convert the input string of %s into a duration", input)
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}
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return duration, nil
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}
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