AltitudeBot/src/main/java/com/alttd/schedulers/ReminderScheduler.java

220 lines
9.7 KiB
Java

package com.alttd.schedulers;
import com.alttd.database.queries.QueriesReminders.QueriesReminders;
import com.alttd.database.queries.QueriesReminders.Reminder;
import com.alttd.util.Logger;
import com.alttd.util.Util;
import net.dv8tion.jda.api.EmbedBuilder;
import net.dv8tion.jda.api.JDA;
import net.dv8tion.jda.api.entities.Guild;
import net.dv8tion.jda.api.entities.Member;
import net.dv8tion.jda.api.entities.channel.Channel;
import net.dv8tion.jda.api.entities.channel.concrete.TextChannel;
import net.dv8tion.jda.api.entities.channel.concrete.ThreadChannel;
import net.dv8tion.jda.api.requests.RestAction;
import net.dv8tion.jda.api.requests.restaction.MessageCreateAction;
import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
public class ReminderScheduler {
private static ReminderScheduler instance = null;
private final ArrayList<Reminder> reminders;
private Reminder nextReminder;
private final JDA jda;
private ReminderScheduler(JDA jda) {
instance = this;
this.jda = jda;
reminders = QueriesReminders.getReminders();
if (reminders == null) {
Logger.altitudeLogs.error("Unable to retrieve reminders");
instance = null;
return;
}
reminders.sort(Comparator.comparingLong(Reminder::remindDate));
if (reminders.size() == 0)
nextReminder = null;
else
nextReminder = reminders.get(0);
ScheduledExecutorService scheduledExecutorService = Executors.newSingleThreadScheduledExecutor();
scheduledExecutorService.scheduleWithFixedDelay(new ReminderRun(), 0, 1, TimeUnit.MINUTES);
}
public static ReminderScheduler getInstance(JDA jda) {
if (instance == null)
instance = new ReminderScheduler(jda);
return instance;
}
public synchronized void addReminder(Reminder reminder) {
Logger.altitudeLogs.debug("Adding reminder with messageId: " + reminder.messageId());
if (reminder.messageId() == 0) {
Logger.altitudeLogs.debug("Found reminder with messageId 0, dumping reminder\n" + reminder);
}
reminders.add(reminder);
reminders.sort(Comparator.comparingLong(Reminder::remindDate));
nextReminder = reminders.get(0);
}
public synchronized void removeReminder(Reminder reminder, boolean removeFromDatabase) {
Logger.altitudeLogs.debug("Removing reminder with messageId: " + reminder.messageId());
reminders.remove(reminder);
reminders.sort(Comparator.comparingLong(Reminder::remindDate));
if (reminders.size() == 0)
nextReminder = null;
else
nextReminder = reminders.get(0);
if (removeFromDatabase)
QueriesReminders.removeReminder(reminder);
}
public synchronized void removeReminder(long messageId) {
Logger.altitudeLogs.debug("Attempting to remove reminder with messageId: " + messageId);
reminders.stream()
.filter(reminder -> reminder.messageId() == messageId)
.findAny()
.ifPresent(reminder -> removeReminder(reminder, true));
}
private class ReminderRun implements Runnable {
@Override
public void run() {
long time = System.currentTimeMillis();
while (nextReminder != null && time > nextReminder.remindDate()) {
Channel channel = nextReminder.getChannel(jda);
if (channel == null) {
Logger.altitudeLogs.warning("Couldn't find channel, unable to run reminder: " + nextReminder.id() +
"\ntitle: [" + nextReminder.title() +
"]\ndescription: [" + nextReminder.description() + "]");
return;
}
sendEmbed(nextReminder, channel);
if (nextReminder.shouldRepeat()) {
Reminder repeatedReminder = new Reminder(
nextReminder.id(),
nextReminder.title(),
nextReminder.description(),
nextReminder.userId(),
nextReminder.guildId(),
nextReminder.channelId(),
nextReminder.messageId(),
true,
nextReminder.creationDate(),
nextReminder.remindDate() + TimeUnit.DAYS.toMillis(1),
nextReminder.reminderType(),
nextReminder.data());
removeReminder(nextReminder, false);
addReminder(repeatedReminder);
QueriesReminders.updateReminderDate(nextReminder.remindDate() + TimeUnit.DAYS.toMillis(1), nextReminder.id());
}
else
removeReminder(nextReminder, true);
}
}
private void sendEmbed(Reminder reminder, Channel channel) {
EmbedBuilder embedBuilder = new EmbedBuilder()
.setTitle(reminder.title())
.setDescription(reminder.description())
.appendDescription("\n\nRequested <t:" + TimeUnit.MILLISECONDS.toSeconds(reminder.creationDate()) + ":R>");
Guild guild = reminder.getGuild(jda);
if (guild == null) {
sendEmbed(reminder, channel, embedBuilder);
return;
}
guild.retrieveMemberById(reminder.userId()).queue(
member -> sendEmbed(reminder, channel, embedBuilder, member),
failed -> sendEmbed(reminder, channel, embedBuilder));
}
private MessageCreateAction getCreateAction(Channel channel, EmbedBuilder embedBuilder) {
switch (channel.getType()) {
case TEXT, NEWS, FORUM -> {
if (channel instanceof TextChannel textChannel) {
return textChannel.sendMessageEmbeds(embedBuilder.build());
}
}
case GUILD_NEWS_THREAD, GUILD_PUBLIC_THREAD, GUILD_PRIVATE_THREAD -> {
if (channel instanceof ThreadChannel threadChannel) {
return threadChannel.sendMessageEmbeds(embedBuilder.build());
}
}
default -> Logger.altitudeLogs.warning("Received unexpected channel type " + channel.getType() + " can't send reminder...");
}
return null;
}
private MessageCreateAction getCreateAction(Channel channel, String text) {
switch (channel.getType()) {
case TEXT, NEWS, FORUM -> {
if (channel instanceof TextChannel textChannel) {
return textChannel.sendMessage(text);
}
}
case GUILD_NEWS_THREAD, GUILD_PUBLIC_THREAD, GUILD_PRIVATE_THREAD -> {
if (channel instanceof ThreadChannel threadChannel) {
return threadChannel.sendMessage(text);
}
}
default -> Logger.altitudeLogs.warning("Received unexpected channel type " + channel.getType() + " can't send reminder...");
}
return null;
}
private void sendEmbed(Reminder reminder, Channel channel, EmbedBuilder embedBuilder, Member member) {
embedBuilder.setAuthor(member.getEffectiveName(), null, member.getEffectiveAvatarUrl());
switch (reminder.reminderType()) {
case NONE, MANUAL -> {
MessageCreateAction createAction = getCreateAction(channel, embedBuilder);
if (createAction == null)
return;
createAction.queue(RestAction.getDefaultSuccess(), Util::handleFailure);
}
case APPEAL -> {
if (reminder.data() == null)
break;
InputStream inputStream = new ByteArrayInputStream(reminder.data());
DataInputStream dataInputStream = new DataInputStream(inputStream);
long userId = 0;
try {
userId = dataInputStream.readLong();
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
dataInputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
MessageCreateAction messageCreateAction = getCreateAction(channel, "<@" + userId + ">");
if (messageCreateAction == null)
return;
if (userId != 0) {
messageCreateAction.addEmbeds(embedBuilder.build());
}
messageCreateAction.queue(RestAction.getDefaultSuccess(), Util::handleFailure);
}
}
}
private void sendEmbed(Reminder reminder, Channel channel, EmbedBuilder embedBuilder) {
embedBuilder.setAuthor(reminder.userId() + "");
MessageCreateAction createAction = getCreateAction(channel, embedBuilder);
if (createAction == null)
return;
createAction.queue(RestAction.getDefaultSuccess(), Util::handleFailure);
}
}
}