src/de/steamwar/bungeecore/bot/SteamwarDiscordBot.java

@@ -99,6 +99,7 @@ public class SteamwarDiscordBot {
             new RolesInteractionButtonListener();
             new DiscordTicketListener();
             new DiscordAuthListener();
+            new DiscordEventListener();
             announcementListener = new AnnouncementListener();
             ingameChatListener = new IngameChatListener();
             serverTeamChatListener = new ServerTeamChatListener();

src/de/steamwar/bungeecore/bot/events/EventManager.java

@@ -28,13 +28,22 @@ import de.steamwar.bungeecore.sql.TeamTeilnahme;
 import lombok.experimental.UtilityClass;
 import net.dv8tion.jda.api.EmbedBuilder;
 import net.dv8tion.jda.api.MessageBuilder;
+import net.dv8tion.jda.api.entities.Emoji;
 import net.dv8tion.jda.api.entities.Message;
 import net.dv8tion.jda.api.entities.TextChannel;
+import net.dv8tion.jda.api.interactions.components.ActionRow;
+import net.dv8tion.jda.api.interactions.components.Button;
+import net.dv8tion.jda.api.interactions.components.ComponentLayout;
+import net.dv8tion.jda.api.interactions.components.selections.SelectOption;
+import net.dv8tion.jda.api.interactions.components.selections.SelectionMenu;
 
 import java.awt.*;
 import java.sql.Timestamp;
 import java.time.Instant;
 import java.time.temporal.ChronoUnit;
+import java.util.ArrayList;
+import java.util.LinkedList;
+import java.util.List;
 import java.util.stream.Collectors;
 
 @UtilityClass
@@ -66,7 +75,12 @@ public class EventManager {
         embedBuilder.setAuthor("SteamWar", "https://www.steamwar.de");
 
         Timestamp now = Timestamp.from(Instant.now());
-        Event.getComing().forEach(event -> {
+        SelectionMenu.Builder menuBuilder = SelectionMenu.create("eventName");
+        menuBuilder.setPlaceholder("Wähle ein Event aus!")
+                .setMinValues(1)
+                .setMaxValues(1);
+        List<Event> events = Event.getComing();
+        events.forEach(event -> {
             StringBuilder st = new StringBuilder();
             if (event.getDeadline().after(now)) {
                 st.append("Deadline: <t:").append(event.getDeadline().getTime() / 1000).append(":R>\n");
@@ -77,10 +91,16 @@ public class EventManager {
                 st.append("\nAngemeldete Teams: ").append(teilname);
             }
             embedBuilder.addField(event.getEventName(), st.toString(), false);
+            if(event.getDeadline().after(Timestamp.from(Instant.now()))) {
+                menuBuilder.addOption(event.getEventName(), event.getEventID() + "", "An " + event.getEventName() + " teilnehmen", Emoji.fromUnicode("U+1F4DD"));
+            }
         });
 
         MessageBuilder messageBuilder = new MessageBuilder();
         messageBuilder.setEmbeds(embedBuilder.build());
+        if(!events.isEmpty()) {
+            messageBuilder.setActionRows(ActionRow.of(menuBuilder.build()));
+        }
         if (message == null) {
             message = textChannel.sendMessage(messageBuilder.build()).complete();
         } else {

src/de/steamwar/bungeecore/bot/listeners/DiscordEventListener.java

@@ -0,0 +1,95 @@
+/*
+    This file is a part of the SteamWar software.
+
+    Copyright (C) 2020  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bungeecore.bot.listeners;
+
+import de.steamwar.bungeecore.bot.config.SteamwarDiscordBotConfig;
+import de.steamwar.bungeecore.sql.Event;
+import de.steamwar.bungeecore.sql.SteamwarUser;
+import de.steamwar.bungeecore.sql.Team;
+import de.steamwar.bungeecore.sql.TeamTeilnahme;
+import net.dv8tion.jda.api.events.interaction.SelectionMenuEvent;
+import net.dv8tion.jda.api.interactions.components.Component;
+import org.jetbrains.annotations.NotNull;
+
+import java.time.Instant;
+
+public class DiscordEventListener extends BasicDiscordListener {
+
+
+    @Override
+    public void onSelectionMenu(@NotNull SelectionMenuEvent event) {
+        if(event.getChannel().getId().equals(SteamwarDiscordBotConfig.EVENTS_CHANNEL) && event.getComponentType() == Component.Type.SELECTION_MENU) {
+            if(event.getSelectedOptions().isEmpty()) {
+                event.deferReply(true).queue();
+                return;
+            }
+            if(event.getSelectedOptions().get(0).getValue().matches("([0-9]+)")) {
+                SteamwarUser user = SteamwarUser.get(event.getUser().getIdLong());
+                if(user == null) {
+                    event.reply("Du hast dein Minecraft nicht verknüpft").setEphemeral(true).queue();
+                    return;
+                }
+
+                if(user.getTeam() == 0) {
+                    event.reply("Du bist in keinem Team").setEphemeral(true).queue();
+                    return;
+                }
+
+                if(user.isLeader()) {
+                    event.reply("Du bist kein Leader in deinem Team").setEphemeral(true).queue();
+                    return;
+                }
+
+                if(Event.get() != null) {
+                    event.reply("Du kannst dich nicht während einem Event an einem Event anmelden").setEphemeral(true).queue();
+                    return;
+                }
+
+                Event swEvent = Event.get(
+                        Integer.decode(
+                                event.getSelectedOptions()
+                                        .get(0)
+                                        .getValue()
+                        ).intValue());
+                if(swEvent == null){
+                    event.reply("Das Event gibt es nicht").setEphemeral(true).queue();
+                    return;
+                }
+
+                if(Instant.now().isAfter(swEvent.getDeadline().toInstant())){
+                    event.reply("Du kannst dich nicht mehr an diesen Event anmelden").setEphemeral(true).queue();
+                    return;
+                }
+
+                Team team = Team.get(user.getTeam());
+
+                if(TeamTeilnahme.nimmtTeil(team.getTeamId(), swEvent.getEventID())){
+                    TeamTeilnahme.notTeilnehmen(team.getTeamId(), swEvent.getEventID());
+                    event.reply("Dein Team **" + team.getTeamName() + "** nimmt nun nicht mehr an **" + swEvent.getEventName() + "** teil!").setEphemeral(true).queue();
+                }else{
+                    TeamTeilnahme.teilnehmen(team.getTeamId(), swEvent.getEventID());
+                    event.reply("Dein Team **" + team.getTeamName() + "** nimmt nun an **" + swEvent.getEventName() + "** teil!").setEphemeral(true).queue();
+                }
+            } else {
+                event.reply("Lefuq?").setEphemeral(true).queue();
+            }
+        }
+    }
+}