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whattimeisitrightnow.go
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package whattimeisitrightnow
import (
"encoding/json"
"fmt"
"github.com/slack-go/slack"
"io/ioutil"
"log"
"net/http"
"strings"
"time"
)
func ServeHTTP(w http.ResponseWriter, r *http.Request) {
log.Println(r)
var res *http.Response
var err error
command, err := slack.SlashCommandParse(r)
log.Println(err)
if command.Text == ""{
w.Write([]byte("Please enter a city"))
return
}
suc := false
log.Println(command.Text)
for _, timezone := range timezones{
if strings.Contains(strings.ToLower(timezone),strings.ToLower(strings.ReplaceAll(command.Text, " ", "_"))){
suc = true
res, err = http.Get("https://worldtimeapi.org/api/timezone/"+timezone)
if err != nil{
log.Println(err)
return
}
break
}
}
if !suc {
w.Write([]byte("Please enter a city"))
return
}
defer res.Body.Close()
bytes, err := ioutil.ReadAll(res.Body)
log.Println(err)
worldtime := Worldtimeapi{}
json.Unmarshal(bytes, &worldtime)
t := worldtime.Datetime.Format(time.ANSIC)
c := slack.New(command.Token)
message := fmt.Sprintf(`{
"channel": "%s",
"text": "The time in %s is %s",
"as_user": true
}`, command.ChannelID, command.Text, t)
c.PostMessage(command.ChannelID, slack.MsgOptionText(message, false))
}
var timezones = []string{"Africa/Abidjan","Africa/Accra","Africa/Algiers","Africa/Bissau","Africa/Cairo","Africa/Casablanca","Africa/Ceuta","Africa/El_Aaiun","Africa/Johannesburg","Africa/Juba","Africa/Khartoum","Africa/Lagos","Africa/Maputo","Africa/Monrovia","Africa/Nairobi","Africa/Ndjamena","Africa/Sao_Tome","Africa/Tripoli","Africa/Tunis","Africa/Windhoek","America/Adak","America/Anchorage","America/Araguaina","America/Argentina/Buenos_Aires","America/Argentina/Catamarca","America/Argentina/Cordoba","America/Argentina/Jujuy","America/Argentina/La_Rioja","America/Argentina/Mendoza","America/Argentina/Rio_Gallegos","America/Argentina/Salta","America/Argentina/San_Juan","America/Argentina/San_Luis","America/Argentina/Tucuman","America/Argentina/Ushuaia","America/Asuncion","America/Atikokan","America/Bahia","America/Bahia_Banderas","America/Barbados","America/Belem","America/Belize","America/Blanc-Sablon","America/Boa_Vista","America/Bogota","America/Boise","America/Cambridge_Bay","America/Campo_Grande","America/Cancun","America/Caracas","America/Cayenne","America/Chicago","America/Chihuahua","America/Costa_Rica","America/Creston","America/Cuiaba","America/Curacao","America/Danmarkshavn","America/Dawson","America/Dawson_Creek","America/Denver","America/Detroit","America/Edmonton","America/Eirunepe","America/El_Salvador","America/Fort_Nelson","America/Fortaleza","America/Glace_Bay","America/Goose_Bay","America/Grand_Turk","America/Guatemala","America/Guayaquil","America/Guyana","America/Halifax","America/Havana","America/Hermosillo","America/Indiana/Indianapolis","America/Indiana/Knox","America/Indiana/Marengo","America/Indiana/Petersburg","America/Indiana/Tell_City","America/Indiana/Vevay","America/Indiana/Vincennes","America/Indiana/Winamac","America/Inuvik","America/Iqaluit","America/Jamaica","America/Juneau","America/Kentucky/Louisville","America/Kentucky/Monticello","America/La_Paz","America/Lima","America/Los_Angeles","America/Maceio","America/Managua","America/Manaus","America/Martinique","America/Matamoros","America/Mazatlan","America/Menominee","America/Merida","America/Metlakatla","America/Mexico_City","America/Miquelon","America/Moncton","America/Monterrey","America/Montevideo","America/Nassau","America/New_York","America/Nipigon","America/Nome","America/Noronha","America/North_Dakota/Beulah","America/North_Dakota/Center","America/North_Dakota/New_Salem","America/Nuuk","America/Ojinaga","America/Panama","America/Pangnirtung","America/Paramaribo","America/Phoenix","America/Port-au-Prince","America/Port_of_Spain","America/Porto_Velho","America/Puerto_Rico","America/Punta_Arenas","America/Rainy_River","America/Rankin_Inlet","America/Recife","America/Regina","America/Resolute","America/Rio_Branco","America/Santarem","America/Santiago","America/Santo_Domingo","America/Sao_Paulo","America/Scoresbysund","America/Sitka","America/St_Johns","America/Swift_Current","America/Tegucigalpa","America/Thule","America/Thunder_Bay","America/Tijuana","America/Toronto","America/Vancouver","America/Whitehorse","America/Winnipeg","America/Yakutat","America/Yellowknife","Antarctica/Casey","Antarctica/Davis","Antarctica/DumontDUrville","Antarctica/Macquarie","Antarctica/Mawson","Antarctica/Palmer","Antarctica/Rothera","Antarctica/Syowa","Antarctica/Troll","Antarctica/Vostok","Asia/Almaty","Asia/Amman","Asia/Anadyr","Asia/Aqtau","Asia/Aqtobe","Asia/Ashgabat","Asia/Atyrau","Asia/Baghdad","Asia/Baku","Asia/Bangkok","Asia/Barnaul","Asia/Beirut","Asia/Bishkek","Asia/Brunei","Asia/Chita","Asia/Choibalsan","Asia/Colombo","Asia/Damascus","Asia/Dhaka","Asia/Dili","Asia/Dubai","Asia/Dushanbe","Asia/Famagusta","Asia/Gaza","Asia/Hebron","Asia/Ho_Chi_Minh","Asia/Hong_Kong","Asia/Hovd","Asia/Irkutsk","Asia/Jakarta","Asia/Jayapura","Asia/Jerusalem","Asia/Kabul","Asia/Kamchatka","Asia/Karachi","Asia/Kathmandu","Asia/Khandyga","Asia/Kolkata","Asia/Krasnoyarsk","Asia/Kuala_Lumpur","Asia/Kuching","Asia/Macau","Asia/Magadan","Asia/Makassar","Asia/Manila","Asia/Nicosia","Asia/Novokuznetsk","Asia/Novosibirsk","Asia/Omsk","Asia/Oral","Asia/Pontianak","Asia/Pyongyang","Asia/Qatar","Asia/Qostanay","Asia/Qyzylorda","Asia/Riyadh","Asia/Sakhalin","Asia/Samarkand","Asia/Seoul","Asia/Shanghai","Asia/Singapore","Asia/Srednekolymsk","Asia/Taipei","Asia/Tashkent","Asia/Tbilisi","Asia/Tehran","Asia/Thimphu","Asia/Tokyo","Asia/Tomsk","Asia/Ulaanbaatar","Asia/Urumqi","Asia/Ust-Nera","Asia/Vladivostok","Asia/Yakutsk","Asia/Yangon","Asia/Yekaterinburg","Asia/Yerevan","Atlantic/Azores","Atlantic/Bermuda","Atlantic/Canary","Atlantic/Cape_Verde","Atlantic/Faroe","Atlantic/Madeira","Atlantic/Reykjavik","Atlantic/South_Georgia","Atlantic/Stanley","Australia/Adelaide","Australia/Brisbane","Australia/Broken_Hill","Australia/Currie","Australia/Darwin","Australia/Eucla","Australia/Hobart","Australia/Lindeman","Australia/Lord_Howe","Australia/Melbourne","Australia/Perth","Australia/Sydney","CET","CST6CDT","EET","EST","EST5EDT","Etc/GMT","Etc/GMT+1","Etc/GMT+10","Etc/GMT+11","Etc/GMT+12","Etc/GMT+2","Etc/GMT+3","Etc/GMT+4","Etc/GMT+5","Etc/GMT+6","Etc/GMT+7","Etc/GMT+8","Etc/GMT+9","Etc/GMT-1","Etc/GMT-10","Etc/GMT-11","Etc/GMT-12","Etc/GMT-13","Etc/GMT-14","Etc/GMT-2","Etc/GMT-3","Etc/GMT-4","Etc/GMT-5","Etc/GMT-6","Etc/GMT-7","Etc/GMT-8","Etc/GMT-9","Etc/UTC","Europe/Amsterdam","Europe/Andorra","Europe/Astrakhan","Europe/Athens","Europe/Belgrade","Europe/Berlin","Europe/Brussels","Europe/Bucharest","Europe/Budapest","Europe/Chisinau","Europe/Copenhagen","Europe/Dublin","Europe/Gibraltar","Europe/Helsinki","Europe/Istanbul","Europe/Kaliningrad","Europe/Kiev","Europe/Kirov","Europe/Lisbon","Europe/London","Europe/Luxembourg","Europe/Madrid","Europe/Malta","Europe/Minsk","Europe/Monaco","Europe/Moscow","Europe/Oslo","Europe/Paris","Europe/Prague","Europe/Riga","Europe/Rome","Europe/Samara","Europe/Saratov","Europe/Simferopol","Europe/Sofia","Europe/Stockholm","Europe/Tallinn","Europe/Tirane","Europe/Ulyanovsk","Europe/Uzhgorod","Europe/Vienna","Europe/Vilnius","Europe/Volgograd","Europe/Warsaw","Europe/Zaporozhye","Europe/Zurich","HST","Indian/Chagos","Indian/Christmas","Indian/Cocos","Indian/Kerguelen","Indian/Mahe","Indian/Maldives","Indian/Mauritius","Indian/Reunion","MET","MST","MST7MDT","PST8PDT","Pacific/Apia","Pacific/Auckland","Pacific/Bougainville","Pacific/Chatham","Pacific/Chuuk","Pacific/Easter","Pacific/Efate","Pacific/Enderbury","Pacific/Fakaofo","Pacific/Fiji","Pacific/Funafuti","Pacific/Galapagos","Pacific/Gambier","Pacific/Guadalcanal","Pacific/Guam","Pacific/Honolulu","Pacific/Kiritimati","Pacific/Kosrae","Pacific/Kwajalein","Pacific/Majuro","Pacific/Marquesas","Pacific/Nauru","Pacific/Niue","Pacific/Norfolk","Pacific/Noumea","Pacific/Pago_Pago","Pacific/Palau","Pacific/Pitcairn","Pacific/Pohnpei","Pacific/Port_Moresby","Pacific/Rarotonga","Pacific/Tahiti","Pacific/Tarawa","Pacific/Tongatapu","Pacific/Wake","Pacific/Wallis"}
type Worldtimeapi struct {
Abbreviation string `json:"abbreviation"`
ClientIP string `json:"client_ip"`
Datetime time.Time `json:"datetime"`
DayOfWeek int `json:"day_of_week"`
DayOfYear int `json:"day_of_year"`
Dst bool `json:"dst"`
DstFrom interface{} `json:"dst_from"`
DstOffset int `json:"dst_offset"`
DstUntil interface{} `json:"dst_until"`
RawOffset int `json:"raw_offset"`
Timezone string `json:"timezone"`
Unixtime int `json:"unixtime"`
UtcDatetime time.Time `json:"utc_datetime"`
UtcOffset string `json:"utc_offset"`
WeekNumber int `json:"week_number"`
}