mirror of
https://github.com/muety/wakapi.git
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63 lines
2.0 KiB
Go
63 lines
2.0 KiB
Go
package utils
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import (
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"errors"
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"github.com/muety/wakapi/config"
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"regexp"
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"time"
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)
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// ParseDateTimeTZ attempts to parse the given date string from multiple formats.
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// First, a time-zoned date-time string (e.g. 2006-01-02T15:04:05+02:00) is tried
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// Second, a non-time-zoned date-time string (e.g. 2006-01-02 15:04:05) is tried at the given zone
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// Third, a non-time-zoned date string (e.g. 2006-01-02) is tried at the given zone
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// Example:
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// - Server runs in CEST (UTC+2), requesting user lives in PDT (UTC-7).
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// - 2021-04-25T10:30:00Z, 2021-04-25T3:30:00-0100 and 2021-04-25T12:30:00+0200 are equivalent, they represent the same point in time
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// - When user requests non-time-zoned range (e.g. 2021-04-25T00:00:00), but has their time zone properly configured, this will resolve to 2021-04-25T09:00:00
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func ParseDateTimeTZ(date string, tz *time.Location) (time.Time, error) {
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if t, err := time.Parse(time.RFC3339, date); err == nil {
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return t, nil
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}
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if t, err := time.ParseInLocation(config.SimpleDateTimeFormat, date, tz); err == nil {
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return t, nil
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}
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return time.ParseInLocation(config.SimpleDateFormat, date, tz)
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}
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func FormatDate(date time.Time) string {
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return date.Format(config.SimpleDateFormat)
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}
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func FormatDateTime(date time.Time) string {
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return date.Format(config.SimpleDateTimeFormat)
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}
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func FormatDateTimeHuman(date time.Time) string {
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return date.Format("Mon, 02 Jan 2006 15:04")
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}
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func FormatDateHuman(date time.Time) string {
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return date.Format("Mon, 02 Jan 2006")
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}
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func Add(i, j int) int {
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return i + j
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}
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func ParseUserAgent(ua string) (string, string, error) {
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re := regexp.MustCompile(`(?iU)^wakatime\/(?:v?[\d+.]+|unset)\s\((\w+)-.*\)\s.+\s([^\/\s]+)-wakatime\/.+$`)
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groups := re.FindAllStringSubmatch(ua, -1)
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if len(groups) == 0 || len(groups[0]) != 3 {
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return "", "", errors.New("failed to parse user agent string")
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}
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return groups[0][1], groups[0][2], nil
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}
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func SubSlice[T any](slice []T, from, to uint) []T {
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if int(to) > len(slice) {
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to = uint(len(slice))
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}
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return slice[from:int(to)]
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}
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