142 lines
3.3 KiB
Go
142 lines
3.3 KiB
Go
// vi:ts=4:sts=4:sw=4:noet:tw=72
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//
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// flokatirc weather module
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//
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// Copyright (c) 2016 Daniel Aberger <da@ixab.de>
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package modules
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import (
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"encoding/json"
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"flag"
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"fmt"
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"io/ioutil"
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"net/http"
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"strconv"
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"strings"
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"time"
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"git.dnix.de/an/xlog"
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)
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var (
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weatherApiKey = flag.String("weather_api_key", "", "MOD: weather: api key")
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)
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var (
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owmQueryAPIKey = ""
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owmQueryURLPrefix = "http://api.openweathermap.org/data/2.5/weather?q="
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owmQueryURLSuffix = "&appid="
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weatherPrefix = "[WTHR] "
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)
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type WeatherObject struct {
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Base string `json:"base"`
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Clouds struct {
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All int `json:"all"`
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} `json:"clouds"`
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Cod int `json:"cod"`
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Coord struct {
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Lat float64 `json:"lat"`
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Lon float64 `json:"lon"`
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} `json:"coord"`
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Dt int `json:"dt"`
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ID int `json:"id"`
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Main struct {
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GrndLevel float64 `json:"grnd_level"`
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Humidity int `json:"humidity"`
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Pressure float64 `json:"pressure"`
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SeaLevel float64 `json:"sea_level"`
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Temp float64 `json:"temp"`
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TempMax float64 `json:"temp_max"`
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TempMin float64 `json:"temp_min"`
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} `json:"main"`
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Name string `json:"name"`
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Rain struct {
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ThreeH float64 `json:"3h"`
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} `json:"rain"`
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Sys struct {
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Country string `json:"country"`
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Message float64 `json:"message"`
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Sunrise int `json:"sunrise"`
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Sunset int `json:"sunset"`
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} `json:"sys"`
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Weather []struct {
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Description string `json:"description"`
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Icon string `json:"icon"`
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ID int `json:"id"`
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Main string `json:"main"`
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} `json:"weather"`
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Wind struct {
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Deg float64 `json:"deg"`
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Speed float64 `json:"speed"`
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} `json:"wind"`
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}
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func init() {
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MsgFuncs["weather"] = weatherHandleMessage
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RunFuncs["weather"] = weatherConfig
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}
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func weatherConfig() {
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time.Sleep(5 * time.Second)
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owmQueryAPIKey = *weatherApiKey
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}
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func weatherHandleMessage(m *Message) {
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tok := strings.Split(m.Text, " ")
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if len(tok) < 1 {
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return
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}
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switch strings.ToLower(tok[0]) {
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case "!weather", "!wetter":
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switch len(tok) {
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case 1:
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SayCh <- fmt.Sprintf("%s\n%s", m.Channel, weatherPrefix+"Usage: !w <zip/city/state/country>")
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default:
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if strings.Compare(owmQueryAPIKey, "") == 0 {
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SayCh <- fmt.Sprintf("%s\n%s", m.Channel, weatherPrefix+"No API Key set.")
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} else {
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go getWeather(strings.Join(tok[1:], " "), m.Channel)
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}
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}
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default:
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}
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}
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func getWeather(query, channel string) {
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q := owmQueryURLPrefix + query + owmQueryURLSuffix + owmQueryAPIKey
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r, err := http.Get(q)
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if err != nil {
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xlog.Error(err.Error())
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SayCh <- fmt.Sprintf("%s\n%s", channel, weatherPrefix+err.Error())
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} else {
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re, err := ioutil.ReadAll(r.Body)
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if err != nil {
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xlog.Error(err.Error())
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SayCh <- fmt.Sprintf("%s\n%s", channel, weatherPrefix+err.Error())
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} else {
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defer r.Body.Close()
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var wo WeatherObject
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err := json.Unmarshal(re, &wo)
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if err != nil {
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xlog.Error(err.Error())
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SayCh <- fmt.Sprintf("%s\n%s", channel, weatherPrefix+err.Error())
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} else {
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var description string
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if len(wo.Weather) < 1 {
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description = ""
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} else {
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description = ", " + wo.Weather[0].Description
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}
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SayCh <- fmt.Sprintf("%s\n%s", channel, weatherPrefix+wo.Name+", "+wo.Sys.Country+
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" - Temp: "+strconv.Itoa(int(wo.Main.Temp-273.15))+
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"°C"+description+
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", Humidity: "+strconv.Itoa(int(wo.Main.Humidity))+
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"%, Wind: "+strconv.Itoa(int(wo.Wind.Speed*3.6))+
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" km/h")
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}
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}
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}
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}
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