Challenges/src/main/java/world/bentobox/challenges/web/WebManager.java

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package world.bentobox.challenges.web;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import org.bukkit.World;
import java.nio.charset.StandardCharsets;
import java.util.*;
import world.bentobox.bentobox.BentoBox;
import world.bentobox.bentobox.api.user.User;
import world.bentobox.challenges.ChallengesAddon;
import world.bentobox.challenges.web.object.LibraryEntry;
/**
* This class manages content downloading from web repository.
*/
public class WebManager
{
/**
* Default constructor
* @param addon Challenges Addon object.
*/
public WebManager(ChallengesAddon addon)
{
this.addon = addon;
this.plugin = addon.getPlugin();
this.library = new ArrayList<>(0);
if (this.plugin.getSettings().isGithubDownloadData())
{
long connectionInterval = this.plugin.getSettings().getGithubConnectionInterval() * 20L * 60L;
if (connectionInterval <= 0)
{
// If below 0, it means we shouldn't run this as a repeating task.
this.plugin.getServer().getScheduler().runTaskLaterAsynchronously(this.plugin,
() -> this.requestCatalogGitHubData(true),
600L);
}
else
{
// Set connection interval to be at least 60 minutes.
connectionInterval = Math.max(connectionInterval, 60 * 20 * 60L);
this.plugin.getServer().getScheduler().runTaskTimerAsynchronously(this.plugin,
() -> this.requestCatalogGitHubData(true),
600L,
connectionInterval);
}
}
}
/**
* This method requests catalog entries from challenges library.
* @param clearCache Boolean that indicates if all cached values must be cleared.
*/
public void requestCatalogGitHubData(boolean clearCache)
{
this.plugin.getWebManager().getGitHub().ifPresent(gitHubWebAPI ->
{
if (this.plugin.getSettings().isLogGithubDownloadData())
{
this.plugin.log("Downloading data from GitHub...");
}
String catalogContent = "";
// Downloading the data
try
{
catalogContent = gitHubWebAPI.getRepository("BentoBoxWorld", "weblink").
getContent("challenges/catalog.json").
getContent().replaceAll("\\n", "");
}
catch (IllegalAccessException e)
{
if (this.plugin.getSettings().isLogGithubDownloadData())
{
this.plugin.log("Could not connect to GitHub.");
}
}
catch (Exception e)
{
this.plugin.logError("An error occurred when downloading data from GitHub...");
this.plugin.logStacktrace(e);
}
// People were concerned that the download took ages, so we need to tell them it's over now.
if (this.plugin.getSettings().isLogGithubDownloadData())
{
this.plugin.log("Successfully downloaded data from GitHub.");
}
// Decoding the Base64 encoded contents
catalogContent = new String(Base64.getDecoder().decode(catalogContent),
StandardCharsets.UTF_8);
/* Parsing the data */
// Register the catalog data
if (!catalogContent.isEmpty())
{
if (clearCache)
{
this.library.clear();
}
JsonObject catalog = new JsonParser().parse(catalogContent).getAsJsonObject();
catalog.getAsJsonArray("challenges").forEach(gamemode ->
this.library.add(new LibraryEntry(gamemode.getAsJsonObject())));
}
});
}
/**
* This method requests GitHub data for given LibraryEntry object.
* @param user User who inits request.
* @param world Target world where challenges should be loaded.
* @param entry Entry that contains information about requested object.
* @return {@code true} if request was successful, {@code false} otherwise.
*/
public void requestEntryGitHubData(User user, World world, LibraryEntry entry)
{
this.plugin.getWebManager().getGitHub().ifPresent(gitHubWebAPI ->
{
if (this.plugin.getSettings().isLogGithubDownloadData())
{
this.plugin.log("Downloading data from GitHub...");
}
String challengeLibrary = "";
// Downloading the data
try
{
challengeLibrary = gitHubWebAPI.getRepository("BentoBoxWorld", "weblink").
getContent("challenges/library/" + entry.getRepository() + ".json").
getContent().
replaceAll("\\n", "");
}
catch (IllegalAccessException e)
{
if (this.plugin.getSettings().isLogGithubDownloadData())
{
this.plugin.log("Could not connect to GitHub.");
}
}
catch (Exception e)
{
this.plugin.logError("An error occurred when downloading data from GitHub...");
this.plugin.logStacktrace(e);
}
// People were concerned that the download took ages, so we need to tell them it's over now.
if (this.plugin.getSettings().isLogGithubDownloadData())
{
this.plugin.log("Successfully downloaded data from GitHub.");
}
// Decoding the Base64 encoded contents
challengeLibrary = new String(Base64.getDecoder().decode(challengeLibrary),
StandardCharsets.UTF_8);
/* Parsing the data */
// Process downloaded library data
if (!challengeLibrary.isEmpty())
{
this.addon.getImportManager().loadDownloadedChallenges(user, world, challengeLibrary);
}
});
}
// ---------------------------------------------------------------------
// Section: Getters
// ---------------------------------------------------------------------
/**
* This method returns all library entries that are downloaded.
* @return existing Library entries.
*/
public List<LibraryEntry> getLibraryEntries()
{
List<LibraryEntry> entries = new ArrayList<>(this.library);
entries.sort(Comparator.comparingInt(LibraryEntry::getSlot));
return entries;
}
/**
* This static method returns if GitHub data downloader is enabled or not.
* @return {@code true} if data downloader is enabled, {@code false} - otherwise.
*/
public static boolean isEnabled()
{
return BentoBox.getInstance().getWebManager().getGitHub().isPresent();
}
// ---------------------------------------------------------------------
// Section: Variables
// ---------------------------------------------------------------------
/**
* Challenges Addon variable.
*/
private ChallengesAddon addon;
/**
* BentoBox plugin variable.
*/
private BentoBox plugin;
/**
* This list contains all entries that were downloaded from GitHub.
*/
private List<LibraryEntry> library;
}