LagAssist/src/com/entryrise/lagassist/updater/SmartUpdater.java


package com.entryrise.lagassist.updater;


import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.net.URL;

import java.util.Collections;

import java.util.HashMap;

import java.util.LinkedHashMap;

import java.util.Map;

import java.util.stream.Collectors;


import org.bukkit.Bukkit;

import org.bukkit.command.CommandSender;

import org.json.simple.JSONArray;

import org.json.simple.JSONObject;

import org.json.simple.JSONValue;


import com.entryrise.lagassist.Main;


public class SmartUpdater {


 private static String updatesurl = "https://api.spiget.org/v2/resources/56399/updates?size=15&sort=-date";

 private static String versionurl = "https://api.spiget.org/v2/resources/56399/versions?size=15&sort=-releaseDate";


 public static UpdateInfo ui = null;


 public static void Enabler() {

 if (!Main.config.getBoolean("smart-updater.enabled")) {

 return;

 }


 UpdateCondition.Enabler();


 Bukkit.getScheduler().runTaskAsynchronously(Main.p, new Runnable() {

 @Override

 public void run() {

 ui = getNextUpdate();


 if (ui == null) {

 Bukkit.getLogger().info("§c§lLag§f§lAssist §e» §fYou are up to date with LagAssist.");

 return;

 }


 Bukkit.getLogger().info("§c§lLag§f§lAssist §e» §fWe found a newer LagAssist version:");

 if (ui.isUnsafe()) {

 Bukkit.getLogger().warning("§c§lLag§f§lAssist §e» §fThis version is considered Unsafe!");

 }

 Bukkit.getLogger().info(" §c[§e֍§c] §fVersion: " + ui.getVersion());

 Bukkit.getLogger().info(" §c[§e֍§c] §fReviews: " + ((int) (ui.getRating() * 100)) / 100f + "§e★");

 Bukkit.getLogger().info(" §c[§e֍§c] §fDownloads: " + ui.getDownloads());

 Bukkit.getLogger().info(" §c[§e֍§c] §fFor more info, use §c/lagassist changelog");


 }

 });


 }


 private static UpdateInfo getNextUpdate() {

 try {


 URL uurl = new URL(updatesurl);

 URL vurl = new URL(versionurl);


 JSONArray updateData = getWebData(uurl);

 JSONArray versionData = getWebData(vurl);


 if (updateData == null) {

 return null;

 }

 if (versionData == null) {

 return null;

 }


 Map<Long, UpdateInfo> updates = new HashMap<Long, UpdateInfo>();

 Map<Long, UpdateInfo> filteredupdates = new HashMap<Long, UpdateInfo>();


 // GET all update posts (update messages, etc) and create a rudimentary

 // UpdateInfo.

 for (int i = 0; i < updateData.size(); i++) {

 JSONObject obj = (JSONObject) updateData.get(i);


 String title = (String) obj.get("title");

 String description = (java.lang.String) obj.get("description");

 long date = (long) obj.get("date");

 long likes = (long) obj.get("likes");


 UpdateInfo up = new UpdateInfo();


 up.setTitle(title);

 up.setDescription(description);

 up.setDate(date);

 up.setLikes((int) likes);


 updates.put(date, up);

 }


 // Fill UpdateInfo with reviews and other useful information.

 for (int i = 0; i < versionData.size(); i++) {

 JSONObject obj = (JSONObject) versionData.get(i);


 long date = (long) obj.get("releaseDate");


 if (!updates.containsKey(date)) {

 continue;

 }


 String version = (String) obj.get("name");


 long downloads = (long) obj.get("downloads");

 double rating = Double.valueOf(String.valueOf(((JSONObject) obj.get("rating")).get("average")));

 long id = (long) obj.get("id");


 UpdateInfo up = updates.get(date);


 up.setId(id);

 up.setVersion(version);

 up.setRating((int) rating);

 up.setDownloads((int) downloads);


 filteredupdates.put(date, up);

 }


 // Sort map and do other juicy stuff.

 LinkedHashMap<Long, UpdateInfo> sorted = filteredupdates.entrySet().stream()

 .sorted(Collections.reverseOrder(Map.Entry.comparingByKey()))

 .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue, (oldValue, newValue) -> oldValue,

 LinkedHashMap::new));


 for (long key : sorted.keySet()) {

 UpdateInfo up = updates.get(key);


 if (UpdateCondition.shouldUpgrade(up)) {

 return up;

 }

 }


 } catch (Exception e) {

 e.printStackTrace();

 Bukkit.getLogger().warning("§e[§a✖§e] §fCouldn't recognize Update data.");

 }

 return null;

 }


 private static JSONArray getWebData(URL u) {

 InputStream is;

 try {

 is = u.openStream();

 return (JSONArray) JSONValue.parse(new InputStreamReader(is));

 } catch (IOException e) {

 Bukkit.getLogger().warning("§e[§a✖§e] §fCouldn't connect to Update Data.");

 }

 return null;

 }


 private static String getFormattedDesc() {

 if (ui == null) {

 return null;

 }


 return ui.getDescription().substring(0, Math.min(ui.getDescription().length(), 1000)).replace('\n', ' ');


 }


 public static void showChangelog(CommandSender s) {

 if (ui == null) {

 s.sendMessage("§c§lLag§f§lAssist §e» §fThere is no new recommended version available.");

 return;

 }


 String formatdesc = getFormattedDesc();


 s.sendMessage("§c§l⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛§f§l LAGASSIST CHANGELOG §c§l⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛");

 s.sendMessage("");

 s.sendMessage(" §c✸ §fNew Version: §e" + ui.getVersion());

 s.sendMessage("");

 s.sendMessage(" §c✸ §fTitle:");

 s.sendMessage(" §e" + ui.getTitle());

 s.sendMessage("");

 s.sendMessage(" §c✸ §fDescription:");

 s.sendMessage(" §e" + formatdesc);

 s.sendMessage("");

 s.sendMessage(" §c✸ §fRating: §e" + ui.getRating() + "★");

 s.sendMessage(" §c✸ §fDownloads: §e" + ui.getDownloads());

 s.sendMessage(" §c✸ §fLikes: §e" + ui.getLikes());

 s.sendMessage("");

 s.sendMessage("§c§l⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛");

 }


}