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Translate.java
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package me.despawningbone.discordbot.command.info;
import java.io.IOException;
import java.time.OffsetDateTime;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ThreadLocalRandom;
import org.jsoup.Jsoup;
import org.apache.commons.lang3.exception.ExceptionUtils;
import org.json.JSONObject;
import org.json.JSONTokener;
import org.jsoup.Connection;
import org.jsoup.Connection.Method;
import org.jsoup.Connection.Response;
import org.jsoup.HttpStatusException;
import com.google.common.util.concurrent.ThreadFactoryBuilder;
import me.despawningbone.discordbot.command.Command;
import me.despawningbone.discordbot.command.CommandResult;
import me.despawningbone.discordbot.command.CommandResult.CommandResultType;
import net.dv8tion.jda.api.EmbedBuilder;
import net.dv8tion.jda.api.entities.Message;
import net.dv8tion.jda.api.entities.channel.concrete.TextChannel;
import net.dv8tion.jda.api.entities.User;
public class Translate extends Command {
public Translate() {
this.desc = "Translate some sentences!";
this.usage = "[-fromlang] <sentence> [-tolang]";
this.remarks = Arrays.asList("Supported Languages: `" + String.join(", ", this.supportedLangs) + "`");
this.examples = Arrays.asList("-ja あなたも文化人だと思います", "-es despacito");
this.alias = Arrays.asList("tl");
}
//TODO could make this dynamically fetched, but need to parse from net
private List<String> supportedLangs = Arrays.asList("ar", "bg", "zh", "cs", "da", "nl", "en", "et", "fi", "fr", "de", "el", "hu", "id", "it", "ja", "ko", "lv", "lt", "nb", "pl", "pt", "ro", "ru", "sk", "sl", "es", "sv", "tr", "uk");
private int id = (ThreadLocalRandom.current().nextInt(1000, 10000) + 1) * 10000 + 1;
private String cookie = null, agent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:73.0) Gecko/20100101 Firefox/73.0";
final ScheduledExecutorService executor = Executors.newSingleThreadScheduledExecutor(new ThreadFactoryBuilder().setDaemon(true).setNameFormat("tl-scheduler-%d").build());
@Override
public CommandResult execute(TextChannel channel, User author, Message msg, String[] args) {
if(args.length < 0) return new CommandResult(CommandResultType.INVALIDARGS, "Please enter something to translate!");
try {
String langF = "auto", langT = "EN", query = String.join(" ", args).replaceAll("\n", " ").replace("-", ""); //since it hates new lines and hyphens apparently
if(supportedLangs.contains(args[0].substring(1).toLowerCase())) {
langF = args[0].substring(1).toUpperCase();
query = String.join(" ", Arrays.copyOfRange(args, 1, args.length));
}
if(supportedLangs.contains(args[args.length - 1].substring(1).toLowerCase())) {
langT = args[args.length - 1].substring(1).toUpperCase();
query = query.substring(0, query.length() - 3);
}
if((args.length < 5 ? query.length() > 40 : args.length > 20)) return new CommandResult(CommandResultType.INVALIDARGS, "Please type a shorter phrase to translate!");
//need OPTION call before calling this?
//req
Connection con = Jsoup.connect("https://www2.deepl.com/jsonrpc?method=LMT_handle_jobs").userAgent(agent)
.header("Content-type", "application/json").ignoreContentType(true)
.requestBody("{\"jsonrpc\":\"2.0\",\"method\": \"LMT_handle_jobs\",\"params\":{\"jobs\":[{\"kind\":\"default\",\"raw_en_sentence\":\"" + query + "\",\"raw_en_context_before\":[],\"raw_en_context_after\":[],\"preferred_num_beams\":4" + ((args.length < 2 ? query.length() > 5 : args.length > 5) ? "" : ",\"quality\":\"fast\"") + "}],\"commonJobParams\":{}"
+ ",\"lang\":{\"user_preferred_langs\":[\"EN\"],\"source_lang_user_selected\":\"" + langF + "\",\"target_lang\":\"" + langT + "\"},\"priority\":1,\"timestamp\":" + OffsetDateTime.now().toEpochSecond() + "000},\"id\":" + id++ + "}");
if(cookie != null) con.cookie("LMTBID", cookie);
Response resp = con.method(Method.POST).execute();
if(resp.hasCookie("LMTBID")) cookie = resp.cookie("LMTBID"); //set cookies; only LMTBID is useful, and its set on first call to jsonrpc
//formatting
JSONObject main = new JSONObject(new JSONTokener(resp.body())).getJSONObject("result");
EmbedBuilder eb = new EmbedBuilder();
eb.setColor(0x0f2b46);
eb.setTitle("Translation: " + (langF.equals("auto") ? main.getString("source_lang") + "(detected)" : langF) + " -> " + main.getString("target_lang"));
eb.addField("Original", query, true);
String tl = "";
for(Object obj : main.getJSONArray("translations").getJSONObject(0).getJSONArray("beams")) {
String p = ((JSONObject) obj).getString("postprocessed_sentence");
if(tl.isEmpty()) tl = p + "\n";
else tl += "*" + p + "*\n";
}
eb.addField("Translated", tl, true);
eb.setFooter("Translated by DeepL", "https://egress.storeden.net/gallery/5a2577c9ffe48e7e4b418464");
eb.setTimestamp(OffsetDateTime.now());
channel.sendMessageEmbeds(eb.build()).queue();
return new CommandResult(CommandResultType.SUCCESS);
} catch(IOException e) {
e.printStackTrace();
if(e instanceof HttpStatusException) //aka pending code fix
return new CommandResult(CommandResultType.FAILURE, "The translator is currently temporarily unavailable, please try again later.");
return new CommandResult(CommandResultType.ERROR, ExceptionUtils.getStackTrace(e));
}
}
}

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