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CityInfo.java
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CityInfo.java
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package me.despawningbone.discordbot.command.info;
import java.awt.Color;
import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.time.OffsetDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Arrays;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;
import org.apache.commons.lang3.exception.ExceptionUtils;
import org.json.JSONException;
import org.json.JSONObject;
import org.json.JSONTokener;
import org.jsoup.Connection.Response;
import org.jsoup.Jsoup;
import me.despawningbone.discordbot.command.Command;
import me.despawningbone.discordbot.command.CommandResult;
import me.despawningbone.discordbot.command.CommandResult.CommandResultType;
import me.despawningbone.discordbot.utils.MiscUtils;
import net.dv8tion.jda.api.EmbedBuilder;
import net.dv8tion.jda.api.entities.Message;
import net.dv8tion.jda.api.entities.MessageEmbed;
import net.dv8tion.jda.api.entities.TextChannel;
import net.dv8tion.jda.api.entities.User;
import net.dv8tion.jda.api.exceptions.InsufficientPermissionException;
public class CityInfo extends Command {
public CityInfo() {
this.alias = Arrays.asList("ci", "weather");
this.desc = "Search for info about a city!"; //"Search for info about the city the address is in!";
this.usage = "<address/search words>";
this.examples = Arrays.asList("hong kong", "tokyo"); //"HK", "akihabara");
}
NumberFormat formatter = new DecimalFormat("#0.00");
@Override
public CommandResult execute(TextChannel channel, User author, Message msg, String[] args) {
if(args.length < 1) {
return new CommandResult(CommandResultType.INVALIDARGS, "Please input a city name."); //or a address.");
} else {
channel.sendTyping().queue();
String sword = String.join(" ", args);
try {
boolean hasWeather = true;
JSONObject info = null;
String wQualifiedName = "", woeid = "", lng = "", lat = "", region = "", countryShort = ""; TimeZone timezone = null;
try {
//www.yahoo.com changed its endpoint - there's no longer a AJAX API for weather info, and the search autocomplete is basically just a prefix search which is way inferior; so we use ca.news.yahoo.com instead
URLConnection sCon = new URL("https://ca.news.yahoo.com/_td/api/resource/WeatherSearch;text=" + URLEncoder.encode(sword, "UTF-8") + "?returnMeta=true").openConnection();
sCon.addRequestProperty("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:73.0) Gecko/20100101 Firefox/73.0");
JSONObject wsearch = new JSONObject(new JSONTokener(sCon.getInputStream())).getJSONArray("data").getJSONObject(0);
woeid = String.valueOf(wsearch.getInt("woeid")); //yahoo scrape
lat = String.valueOf(wsearch.getDouble("lat"));
lng = String.valueOf(wsearch.getDouble("lon"));
wQualifiedName = wsearch.getString("qualifiedName");
countryShort = wQualifiedName.substring(wQualifiedName.lastIndexOf(",") + 1); //the display name from yahoo is not always consistent with Java's Locale display name, so we extract from qualified name instead
region = wQualifiedName.split(",")[wQualifiedName.split(",").length - 2]; //get second highest level, highest should always be country code
timezone = TimeZone.getTimeZone(new JSONObject(new JSONTokener(new URL("https://api.internal.teleport.org/api/locations/" + lat + "," + lng + "/?embed=location:nearest-cities/location:nearest-city/city:timezone").openStream())).getJSONObject("_embedded").getJSONArray("location:nearest-cities").getJSONObject(0).getJSONObject("_embedded").getJSONObject("location:nearest-city").getJSONObject("_embedded").getJSONObject("city:timezone").getString("iana_name"));
//can use metaweather, but not accurate enough
//can also broaden the scope for yahoo scrape for it to work better
//JSONObject wsearch = new JSONObject(new JSONTokener(new URL("https://api.flickr.com/services/rest/?method=flickr.places.findByLatLon&api_key=bdaafeafab62267931d920dda27a4f90&lat=" + lat + "&lon=" + lng + "&format=json&nojsoncallback=1").openStream())).getJSONObject("places").getJSONArray("place").getJSONObject(0); //gonna use flickr find instead
//get cookies and crumb for WeatherService
Response mainCon = Jsoup.connect("https://ca.news.yahoo.com/weather").execute();
String mainPage = mainCon.body();
int mainData = mainPage.indexOf("root.App.main = ");
String crumb = new JSONObject(mainPage.substring(mainData + 16, mainPage.indexOf(";\n", mainData))).getJSONObject("context").getJSONObject("dispatcher").getJSONObject("stores").getJSONObject("WeatherStore").getString("crumb");
info = new JSONObject(new JSONTokener(
Jsoup.connect("https://ca.news.yahoo.com/_td/api/resource/WeatherService;crumb=" + URLEncoder.encode(crumb, "UTF-8") + ";woeids=[" + woeid + "]?lang=en-US&returnMeta=true")
.cookies(mainCon.cookies())
.userAgent("Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:73.0) Gecko/20100101 Firefox/73.0")
.ignoreContentType(true)
.execute().bodyStream()
)).getJSONObject("data").getJSONArray("weathers").getJSONObject(0);
hasWeather = info.getJSONObject("observation").getJSONObject("temperature").length() != 0;
} catch(IOException e) {
return new CommandResult(CommandResultType.ERROR, ExceptionUtils.getStackTrace(e));
} catch(JSONException e) {
e.printStackTrace();
return new CommandResult(CommandResultType.NORESULT);
//hasWeather = false;
}
Date date = new Date();
//System.out.println(info);
EmbedBuilder embedmsg = new EmbedBuilder();
embedmsg.setAuthor("Info for " + wQualifiedName, null, null);
embedmsg.setColor(new Color(100, 0, 255));
embedmsg.addField("Country", MiscUtils.countryNameToUnicode(countryShort), true);
embedmsg.addField("Region", region, true);
embedmsg.addField("Current time", OffsetDateTime.now(timezone.toZoneId()).format(DateTimeFormatter.ofPattern("yyyy-MM-dd hh:mm:ssa").withLocale(Locale.ENGLISH)).trim(), true);
long hours = (timezone.getOffset(date.getTime())/1000/60/60);
embedmsg.addField("Timezone" , timezone.getDisplayName(timezone.inDaylightTime(date), TimeZone.LONG, Locale.ENGLISH) + " (UTC" + (Math.signum(hours) == 1 || Math.signum(hours) == 0 ? "+" + hours : hours) + ")" + "\u1160", true); //FLICKR DED
String footer = "Weather info not available";
if (hasWeather) { //use another api if weather info not available?
JSONObject obs = info.getJSONObject("observation"); JSONObject temp = obs.getJSONObject("temperature"); JSONObject forecast = info.getJSONObject("forecasts").getJSONArray("daily").getJSONObject(0);
if(temp.has("now")) {
embedmsg.addField("Temperature", fToC(temp.getInt("now")) + "°C (↑" + fToC(temp.getInt("high")) + "°C | ↓" + fToC(temp.getInt("low")) + "°C)", true);
embedmsg.addField("Humidity", obs.getInt("humidity") + "% (Chance of rain: " + forecast.getInt("precipitationProbability") + "%)", true);
embedmsg.addField("Visibility", miToKm(obs.getDouble("visibility")) + "km (" + obs.getString("conditionDescription") + ")", true);
embedmsg.addField("Atmospheric pressure", formatter.format(obs.getDouble("barometricPressure") / 0.029530) + "millibars", true);
embedmsg.addField("Wind speed", miToKm(obs.getDouble("windSpeed")) + "km/h", true);
embedmsg.addField("Wind direction", obs.getInt("windDirection") + "° (" + obs.getString("windDirectionCode") + ")", true);
embedmsg.addField("Feels Like", fToC(temp.getInt("feelsLike")) + "°C", true);
embedmsg.addField("UV index", obs.getInt("uvIndex") + " (" + obs.getString("uvDescription") + ")", true);
embedmsg.addField("Sunrise", MiscUtils.convertMillis(info.getJSONObject("sunAndMoon").getLong("sunrise") * 1000).substring(0, 5), true);
embedmsg.addField("Sunset", MiscUtils.convertMillis(info.getJSONObject("sunAndMoon").getLong("sunset") * 1000).substring(0, 5), true);
String imgUrl = info.getJSONArray("photos").getJSONObject(0).getJSONArray("resolutions").getJSONObject(0).getString("url"); //seems to have dead urls, how fix
embedmsg.setThumbnail(imgUrl.split(":\\/\\/").length > 2 ? "https://" + imgUrl.split(":\\/\\/")[2] : imgUrl);
footer = "Weather info last updated: " + OffsetDateTime.parse(obs.getJSONObject("observationTime").getString("timestamp")).format(DateTimeFormatter.RFC_1123_DATE_TIME)
.replace("GMT", timezone.getDisplayName(timezone.inDaylightTime(date), TimeZone.SHORT, Locale.ENGLISH)); //+ " | " + wQualifiedName;
//add weather provider to footer?
}
}
embedmsg.addField("Latitude", lat, true);
embedmsg.addField("Longitude", lng, true);
embedmsg.setFooter(footer, null);
try {
MessageEmbed fmsg = embedmsg.build();
channel.sendMessageEmbeds(fmsg).queue();
} catch(InsufficientPermissionException e2) {
return new CommandResult(CommandResultType.FAILURE, "Unfortunately, the bot is missing the permission `MESSAGE_EMBED_LINKS` which is required for this command to work.");
}
return new CommandResult(CommandResultType.SUCCESS);
} catch (Exception e) {
return new CommandResult(CommandResultType.ERROR, ExceptionUtils.getStackTrace(e));
}
}
}
private String fToC(int f) { //fucking no metric ree
return formatter.format((f-32)*5.0/9);
}
private String miToKm(double mile) {
return formatter.format(mile*1.609344);
}
}

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