82 lines
2.2 KiB
Go
82 lines
2.2 KiB
Go
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package apiTime
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import (
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"encoding/json"
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"fmt"
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"log"
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"net/http"
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"strconv"
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"time"
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)
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type dateTimeResponse struct {
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Year int `json:"year,omitempty"`
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Month int `json:"month,omitempty"`
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Day int `json:"day,omitempty"`
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Hour int `json:"hour,omitempty"`
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Minute int `json:"minute,omitempty"`
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Seconds int `json:"seconds,omitempty"`
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MilliSeconds int `json:"milliSeconds,omitempty"`
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DateTime string `json:"dateTime,omitempty"`
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Date string `json:"date,omitempty"`
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Time string `json:"time,omitempty"`
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TimeZone string `json:"timeZone,omitempty"`
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DayOfWeek string `json:"dayOfWeek,omitempty"`
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DstActive bool `json:"dstActive,omitempty"`
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}
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func TimeCurrentZone(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Language", "en")
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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timeZone := ""
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vals := r.URL.Query()
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parameters, ok := vals["timeZone"]
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if ok && len(parameters) == 1 {
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timeZone = parameters[0]
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}
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if timeZone == "" {
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w.WriteHeader(400)
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fmt.Fprint(w, "{\"error\": \"invalid value for timeZone\"}")
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return
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}
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loc, err := time.LoadLocation(timeZone)
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if err != nil {
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w.WriteHeader(400)
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fmt.Fprint(w, "{\"error\": \"invalid value for timeZone\"}")
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return
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}
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log.Printf("%q %q\n", loc.String(), r.RemoteAddr)
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w.WriteHeader(200)
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fmt.Fprint(w, getDateTimeResponseAsJSONString(loc))
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}
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func getDateTimeResponse(loc *time.Location) dateTimeResponse {
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t := time.Now().In(loc)
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return dateTimeResponse{
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Year: t.Year(),
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Month: int(t.Month()),
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Day: t.Day(),
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Hour: t.Hour(),
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Minute: t.Minute(),
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Seconds: t.Second(),
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MilliSeconds: func(i int64, err error) int { return int(i) }(strconv.ParseInt(strconv.Itoa(t.Nanosecond())[:3], 10, 0)),
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DateTime: t.Format(time.RFC3339),
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Date: fmt.Sprintf("%02d/%02d/%04d", t.Month(), t.Day(), t.Year()),
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Time: fmt.Sprintf("%02d:%02d", t.Hour(), t.Minute()),
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TimeZone: loc.String(),
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DayOfWeek: t.Weekday().String(),
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DstActive: t.IsDST(),
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}
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}
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func getDateTimeResponseAsJSONString(loc *time.Location) string {
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r, _ := json.Marshal(getDateTimeResponse(loc))
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return string(r)
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}
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