add message snipe feature

pom.xml

@@ -108,6 +108,22 @@
 			<version>5.2.4</version>
 		</dependency>
 
+		<!-- Redis for caching -->
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-data-redis</artifactId>
+			<exclusions>
+				<exclusion>
+					<groupId>io.lettuce</groupId>
+					<artifactId>lettuce-core</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+		<dependency>
+			<groupId>redis.clients</groupId>
+			<artifactId>jedis</artifactId>
+		</dependency>
+
 
 		<!-- Libraries -->
 		<dependency>

src/main/java/cc/fascinated/bat/command/Category.java

@@ -18,6 +18,7 @@ public enum Category {
     SERVER(Emoji.fromFormatted("U+1F5A5"), "Server", false),
     UTILITY(Emoji.fromFormatted("U+1F6E0"), "Utility", false),
     MUSIC(Emoji.fromFormatted("U+1F3B5"), "Music", false),
+    SNIPE(Emoji.fromFormatted("U+1F4A3"), "Snipe", false),
     BEAT_SABER(Emoji.fromFormatted("U+1FA84"), "Beat Saber", false),
     BOT_ADMIN(null, null, true);
 

src/main/java/cc/fascinated/bat/common/ProfileHolder.java

@@ -4,6 +4,8 @@ import cc.fascinated.bat.BatApplication;
 import lombok.Getter;
 import lombok.SneakyThrows;
 import org.bson.Document;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.util.HashMap;
 import java.util.Map;
@@ -13,6 +15,7 @@ import java.util.Map;
  */
 @Getter
 public abstract class ProfileHolder {
+    private static final Logger log = LoggerFactory.getLogger(ProfileHolder.class);
     /**
      * The profiles for the holder
      */
@@ -38,6 +41,8 @@ public abstract class ProfileHolder {
         Serializable profile = getProfiles().get(clazz.getSimpleName());
         if (profile == null) {
             T newProfile = clazz.cast(clazz.getDeclaredConstructors()[0].newInstance());
+
+            log.info("instance of profiles: {}", document.get("profiles").getClass().getSimpleName());
             Document profiles = document.get("profiles", new org.bson.Document());
             Document profileDocument = (Document) profiles.get(clazz.getSimpleName());
 

src/main/java/cc/fascinated/bat/config/RedisConfig.java

@@ -0,0 +1,73 @@
+package cc.fascinated.bat.config;
+
+import lombok.NonNull;
+import lombok.extern.log4j.Log4j2;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.redis.connection.RedisStandaloneConfiguration;
+import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
+import org.springframework.data.redis.core.RedisTemplate;
+
+/**
+ * @author Fascinated (fascinated7)
+ */
+@Configuration
+@Log4j2(topic = "Redis")
+public class RedisConfig {
+    /**
+     * The Redis server host.
+     */
+    @Value("${spring.data.redis.host}")
+    private String host;
+
+    /**
+     * The Redis server port.
+     */
+    @Value("${spring.data.redis.port}")
+    private int port;
+
+    /**
+     * The Redis database index.
+     */
+    @Value("${spring.data.redis.database}")
+    private int database;
+
+    /**
+     * The optional Redis password.
+     */
+    @Value("${spring.data.redis.auth}")
+    private String auth;
+
+    /**
+     * Build the config to use for Redis.
+     *
+     * @return the config
+     * @see RedisTemplate for config
+     */
+    @Bean @NonNull
+    public RedisTemplate<String, Object> redisTemplate() {
+        RedisTemplate<String, Object> template = new RedisTemplate<>();
+        template.setConnectionFactory(jedisConnectionFactory());
+        return template;
+    }
+
+    /**
+     * Build the connection factory to use
+     * when making connections to Redis.
+     *
+     * @return the built factory
+     * @see JedisConnectionFactory for factory
+     */
+    @Bean @NonNull
+    public JedisConnectionFactory jedisConnectionFactory() {
+        log.info("Connecting to Redis at {}:{}/{}", host, port, database);
+        RedisStandaloneConfiguration config = new RedisStandaloneConfiguration(host, port);
+        config.setDatabase(database);
+        if (!auth.trim().isEmpty()) { // Auth with our provided password
+            log.info("Using auth...");
+            config.setPassword(auth);
+        }
+        return new JedisConnectionFactory(config);
+    }
+}

src/main/java/cc/fascinated/bat/event/EventListener.java

@@ -2,6 +2,7 @@ package cc.fascinated.bat.event;
 
 import cc.fascinated.bat.model.BatGuild;
 import cc.fascinated.bat.model.BatUser;
+import cc.fascinated.bat.model.DiscordMessage;
 import cc.fascinated.bat.model.token.beatsaber.scoresaber.ScoreSaberLeaderboardToken;
 import cc.fascinated.bat.model.token.beatsaber.scoresaber.ScoreSaberPlayerScoreToken;
 import cc.fascinated.bat.model.token.beatsaber.scoresaber.ScoreSaberScoreToken;
@@ -12,7 +13,9 @@ import net.dv8tion.jda.api.events.guild.member.update.GuildMemberUpdateNicknameE
 import net.dv8tion.jda.api.events.interaction.ModalInteractionEvent;
 import net.dv8tion.jda.api.events.interaction.component.ButtonInteractionEvent;
 import net.dv8tion.jda.api.events.interaction.component.StringSelectInteractionEvent;
+import net.dv8tion.jda.api.events.message.MessageDeleteEvent;
 import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
+import net.dv8tion.jda.api.events.message.MessageUpdateEvent;
 import net.dv8tion.jda.api.events.user.update.UserUpdateGlobalNameEvent;
 
 /**
@@ -57,6 +60,24 @@ public interface EventListener {
     default void onGuildMessageReceive(@NonNull BatGuild guild, @NonNull BatUser user, @NonNull MessageReceivedEvent event) {
     }
 
+    /**
+     * Called when a user updates a message
+     *
+     * @param guild the guild that the message was updated in
+     * @param user  the user that updated the message
+     */
+    default void onGuildMessageEdit(@NonNull BatGuild guild, @NonNull BatUser user, @NonNull MessageUpdateEvent event) {
+    }
+
+    /**
+     * Called when a user deletes a message
+     *
+     * @param guild the guild that the message was deleted in
+     * @param user  the user that deleted the message
+     */
+    default void onGuildMessageDelete(@NonNull BatGuild guild, BatUser user, DiscordMessage message, @NonNull MessageDeleteEvent event) {
+    }
+
     /**
      * Called when a user selects a string
      *

src/main/java/cc/fascinated/bat/features/base/commands/server/MemberCountCommand.java

@@ -8,7 +8,6 @@ import cc.fascinated.bat.common.NumberFormatter;
 import cc.fascinated.bat.model.BatGuild;
 import cc.fascinated.bat.model.BatUser;
 import lombok.NonNull;
-import net.dv8tion.jda.api.EmbedBuilder;
 import net.dv8tion.jda.api.OnlineStatus;
 import net.dv8tion.jda.api.entities.Guild;
 import net.dv8tion.jda.api.entities.Member;

src/main/java/cc/fascinated/bat/features/messagesnipe/MessageSnipeFeature.java

@@ -0,0 +1,123 @@
+package cc.fascinated.bat.features.messagesnipe;
+
+import cc.fascinated.bat.command.Category;
+import cc.fascinated.bat.event.EventListener;
+import cc.fascinated.bat.features.Feature;
+import cc.fascinated.bat.features.messagesnipe.command.MessageSnipeCommand;
+import cc.fascinated.bat.model.BatGuild;
+import cc.fascinated.bat.model.BatUser;
+import cc.fascinated.bat.model.DiscordMessage;
+import cc.fascinated.bat.service.CommandService;
+import lombok.NonNull;
+import net.dv8tion.jda.api.events.message.MessageDeleteEvent;
+import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
+import net.dv8tion.jda.api.events.message.MessageUpdateEvent;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.ApplicationContext;
+import org.springframework.stereotype.Component;
+
+import java.util.*;
+
+/**
+ * @author Fascinated (fascinated7)
+ */
+@Component
+public class MessageSnipeFeature extends Feature implements EventListener {
+    /**
+     * The sniped messages for each guild
+     */
+    private static final Map<BatGuild, List<SnipedMessage>> snipedMessages = new HashMap<>();
+
+    @Autowired
+    public MessageSnipeFeature(@NonNull ApplicationContext context, @NonNull CommandService commandService) {
+        super("Message Snipe", false, Category.SNIPE);
+
+        super.registerCommand(commandService, context.getBean(MessageSnipeCommand.class));
+    }
+
+    /**
+     * Clears the sniped messages for the given guild
+     *
+     * @param guild the guild
+     * @return if the sniped messages were cleared
+     */
+    public static boolean clearSnipedMessages(BatGuild guild) {
+        if (snipedMessages.containsKey(guild)) {
+            snipedMessages.remove(guild);
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Gets the sniped messages for the given guild
+     *
+     * @param guild the guild
+     * @return the sniped messages for the given guild
+     */
+    public static SnipedMessage getDeletedMessage(BatGuild guild, String channelId) {
+        List<SnipedMessage> messages = snipedMessages.getOrDefault(guild, new ArrayList<>());
+        for (SnipedMessage message : messages) {
+            if (message.getDeletedDate() != null // Check if the message was deleted
+                    && message.getMessage().getChannel().getId().equals(channelId)) {
+                return message;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Gets the sniped message with the given id
+     *
+     * @param guild the guild
+     * @param messageId the id of the message
+     * @return the sniped message with the given id
+     */
+    private SnipedMessage getSnipedMessage(BatGuild guild, String messageId) {
+        List<SnipedMessage> messages = snipedMessages.getOrDefault(guild, new ArrayList<>());
+        for (SnipedMessage message : messages) {
+            if (message.getMessage().getId().equals(messageId)) {
+                return message;
+            }
+        }
+        return null;
+    }
+
+    @Override
+    public void onGuildMessageReceive(@NonNull BatGuild guild, @NonNull BatUser user, @NonNull MessageReceivedEvent event) {
+        if (event.getAuthor().isBot()) return;
+
+        List<SnipedMessage> messages = snipedMessages.getOrDefault(guild, new ArrayList<>());
+        if (messages.size() >= 10) {
+            messages.remove(0);
+        }
+        messages.add(new SnipedMessage(event.getMessage(), null));
+        snipedMessages.put(guild, messages);
+    }
+
+    @Override
+    public void onGuildMessageDelete(@NonNull BatGuild guild, BatUser user, DiscordMessage message, @NonNull MessageDeleteEvent event) {
+        List<SnipedMessage> messages = snipedMessages.getOrDefault(guild, new ArrayList<>());
+        if (messages.size() >= 10) {
+            messages.remove(0);
+        }
+        SnipedMessage snipedMessage = getSnipedMessage(guild, event.getMessageId());
+        if (snipedMessage == null) {
+            return;
+        }
+        snipedMessage.setDeletedDate(new Date());
+    }
+
+    @Override
+    public void onGuildMessageEdit(@NonNull BatGuild guild, @NonNull BatUser user, @NonNull MessageUpdateEvent event) {
+        List<SnipedMessage> messages = snipedMessages.getOrDefault(guild, new ArrayList<>());
+        if (messages.size() >= 10) {
+            messages.remove(0);
+        }
+        SnipedMessage snipedMessage = getSnipedMessage(guild, event.getMessageId());
+        if (snipedMessage == null) {
+            return;
+        }
+        snipedMessage.setMessage(event.getMessage());
+    }
+}

src/main/java/cc/fascinated/bat/features/messagesnipe/SnipedMessage.java

@@ -0,0 +1,26 @@
+package cc.fascinated.bat.features.messagesnipe;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.Setter;
+import net.dv8tion.jda.api.entities.Message;
+
+import java.util.Date;
+
+/**
+ * @author Fascinated (fascinated7)
+ */
+@AllArgsConstructor
+@Getter
+@Setter
+public class SnipedMessage {
+    /**
+     * The message that was sniped
+     */
+    private Message message;
+
+    /**
+     * The date when the message was deleted
+     */
+    private Date deletedDate;
+}

src/main/java/cc/fascinated/bat/features/messagesnipe/command/ClearSubCommand.java

@@ -0,0 +1,36 @@
+package cc.fascinated.bat.features.messagesnipe.command;
+
+import cc.fascinated.bat.command.BatSubCommand;
+import cc.fascinated.bat.command.CommandInfo;
+import cc.fascinated.bat.common.EmbedUtils;
+import cc.fascinated.bat.features.messagesnipe.MessageSnipeFeature;
+import cc.fascinated.bat.model.BatGuild;
+import cc.fascinated.bat.model.BatUser;
+import lombok.NonNull;
+import net.dv8tion.jda.api.Permission;
+import net.dv8tion.jda.api.entities.Member;
+import net.dv8tion.jda.api.entities.channel.middleman.MessageChannel;
+import net.dv8tion.jda.api.interactions.commands.SlashCommandInteraction;
+import org.springframework.stereotype.Component;
+
+/**
+ * @author Fascinated (fascinated7)
+ */
+@Component("messagesnipe:clear.sub")
+@CommandInfo(name = "clear", description = "Clears the known sniped messages for this guild", requiredPermissions = Permission.MESSAGE_MANAGE)
+public class ClearSubCommand extends BatSubCommand {
+    @Override
+    public void execute(BatGuild guild, @NonNull BatUser user, @NonNull MessageChannel channel, Member member, @NonNull SlashCommandInteraction event) {
+        boolean cleared = MessageSnipeFeature.clearSnipedMessages(guild);
+        if (!cleared) {
+            event.replyEmbeds(EmbedUtils.errorEmbed()
+                    .setDescription("There are no messages to clear in this guild")
+                    .build()).queue();
+            return;
+        }
+
+        event.replyEmbeds(EmbedUtils.successEmbed()
+                .setDescription("Successfully cleared the sniped messages for this guild")
+                .build()).queue();
+    }
+}

src/main/java/cc/fascinated/bat/features/messagesnipe/command/DeletedSubCommand.java

@@ -0,0 +1,50 @@
+package cc.fascinated.bat.features.messagesnipe.command;
+
+import cc.fascinated.bat.command.BatSubCommand;
+import cc.fascinated.bat.command.CommandInfo;
+import cc.fascinated.bat.common.EmbedUtils;
+import cc.fascinated.bat.features.messagesnipe.MessageSnipeFeature;
+import cc.fascinated.bat.features.messagesnipe.SnipedMessage;
+import cc.fascinated.bat.model.BatGuild;
+import cc.fascinated.bat.model.BatUser;
+import lombok.NonNull;
+import net.dv8tion.jda.api.entities.Member;
+import net.dv8tion.jda.api.entities.User;
+import net.dv8tion.jda.api.entities.channel.middleman.MessageChannel;
+import net.dv8tion.jda.api.interactions.commands.SlashCommandInteraction;
+import org.springframework.stereotype.Component;
+
+/**
+ * @author Fascinated (fascinated7)
+ */
+@Component
+@CommandInfo(name = "deleted", description = "Snipe the last deleted message in this channel")
+public class DeletedSubCommand extends BatSubCommand {
+    @Override
+    public void execute(BatGuild guild, @NonNull BatUser user, @NonNull MessageChannel channel, Member member, @NonNull SlashCommandInteraction event) {
+        SnipedMessage message = MessageSnipeFeature.getDeletedMessage(guild, channel.getId());
+        if (message == null) {
+            event.replyEmbeds(EmbedUtils.errorEmbed()
+                    .setDescription("There are no deleted messages to snipe in this channel")
+                    .build()).queue();
+            return;
+        }
+
+        User author = message.getMessage().getAuthor();
+        event.replyEmbeds(EmbedUtils.genericEmbed()
+                .setDescription("""
+                        **Deleted Message Snipe**
+                        ➜ Author: **%s** (%s)
+                        ➜ Deleted: <t:%d:R>
+                        ➜ Content:
+                        ```
+                        %s
+                        ```
+                        """.formatted(
+                        author.getAsMention(),
+                        author.getId(),
+                        message.getDeletedDate().getTime() / 1000,
+                        message.getMessage().getContentRaw()
+                )).build()).queue();
+    }
+}

src/main/java/cc/fascinated/bat/features/messagesnipe/command/MessageSnipeCommand.java

@@ -0,0 +1,19 @@
+package cc.fascinated.bat.features.messagesnipe.command;
+
+import cc.fascinated.bat.command.BatCommand;
+import cc.fascinated.bat.command.CommandInfo;
+import lombok.NonNull;
+import org.springframework.context.ApplicationContext;
+import org.springframework.stereotype.Component;
+
+/**
+ * @author Fascinated (fascinated7)
+ */
+@Component
+@CommandInfo(name = "snipe", description = "Snipe messages")
+public class MessageSnipeCommand extends BatCommand {
+    public MessageSnipeCommand(@NonNull ApplicationContext context) {
+        super.addSubCommand(context.getBean(DeletedSubCommand.class));
+        super.addSubCommand(context.getBean(ClearSubCommand.class));
+    }
+}

src/main/java/cc/fascinated/bat/model/DiscordMessage.java

@@ -0,0 +1,49 @@
+package cc.fascinated.bat.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.Setter;
+import org.springframework.data.redis.core.RedisHash;
+
+/**
+ * @author Fascinated (fascinated7)
+ */
+@AllArgsConstructor
+@Getter @Setter
+@RedisHash(value = "DiscordMessage", timeToLive = 86400) // 24 hours
+public class DiscordMessage {
+    /**
+     * The snowflake ID of the message
+     */
+    private final String id;
+
+    /**
+     * The timestamp when the message was sent
+     */
+    private final long timestamp;
+    
+    /**
+     * The snowflake ID of the channel the message was sent in
+     */
+    private final String channelId;
+    
+    /**
+     * The snowflake ID of the guild the message was sent in
+     */
+    private final String guildId;
+    
+    /**
+     * The snowflake ID of the author of the message
+     */
+    private final String authorId;
+    
+    /**
+     * The content of the message
+     */
+    private String content;
+
+    /**
+     * Whether the message was deleted
+     */
+    private boolean deleted;
+}

src/main/java/cc/fascinated/bat/repository/DiscordMessageRepository.java

@@ -0,0 +1,9 @@
+package cc.fascinated.bat.repository;
+
+import cc.fascinated.bat.model.DiscordMessage;
+import org.springframework.data.repository.CrudRepository;
+
+/**
+ * @author Fascinated (fascinated7)
+ */
+public interface DiscordMessageRepository extends CrudRepository<DiscordMessage, String> {}

src/main/java/cc/fascinated/bat/service/DiscordMessageService.java

@@ -0,0 +1,95 @@
+package cc.fascinated.bat.service;
+
+import cc.fascinated.bat.event.EventListener;
+import cc.fascinated.bat.model.BatGuild;
+import cc.fascinated.bat.model.BatUser;
+import cc.fascinated.bat.model.DiscordMessage;
+import cc.fascinated.bat.repository.DiscordMessageRepository;
+import lombok.NonNull;
+import lombok.extern.log4j.Log4j2;
+import net.dv8tion.jda.api.events.message.MessageDeleteEvent;
+import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
+import net.dv8tion.jda.api.events.message.MessageUpdateEvent;
+import net.dv8tion.jda.api.hooks.ListenerAdapter;
+import org.jetbrains.annotations.NotNull;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.DependsOn;
+import org.springframework.stereotype.Service;
+
+import java.util.Optional;
+
+/**
+ * @author Fascinated (fascinated7)
+ */
+@Service
+@Log4j2
+@DependsOn("discordService")
+public class DiscordMessageService extends ListenerAdapter {
+    private final DiscordMessageRepository discordMessageRepository;
+    private final GuildService guildService;
+    private final UserService userService;
+
+    @Autowired
+    public DiscordMessageService(DiscordMessageRepository discordMessageRepository, @NonNull GuildService guildService,
+                                 @NonNull UserService userService) {
+        this.discordMessageRepository = discordMessageRepository;
+        this.guildService = guildService;
+        this.userService = userService;
+
+        DiscordService.JDA.addEventListener(this);
+    }
+
+    /**
+     * Gets the message with the given id
+     *
+     * @param messageId the id of the message
+     * @return the message with the given id
+     */
+    public DiscordMessage getMessage(String messageId) {
+        Optional<DiscordMessage> optionalMessage = discordMessageRepository.findById(messageId);
+        return optionalMessage.orElse(null);
+    }
+
+    @Override
+    public void onMessageReceived(@NotNull MessageReceivedEvent event) {
+        discordMessageRepository.save(new DiscordMessage(
+                event.getMessageId(),
+                event.getMessage().getTimeCreated().toInstant().toEpochMilli(),
+                event.getChannel().getId(),
+                event.getGuild().getId(),
+                event.getAuthor().getId(),
+                event.getMessage().getContentRaw(),
+                false
+        ));
+    }
+
+    @Override
+    public void onMessageUpdate(@NotNull MessageUpdateEvent event) {
+        Optional<DiscordMessage> message = discordMessageRepository.findById(event.getMessageId());
+        if (message.isPresent()) {
+            DiscordMessage discordMessage = message.get();
+            if (discordMessage.getContent().equals(event.getMessage().getContentRaw())) {
+                return;
+            }
+            discordMessage.setContent(event.getMessage().getContentRaw());
+            discordMessageRepository.save(discordMessage);
+        }
+
+        BatGuild guild = guildService.getGuild(event.getGuild().getId());
+        BatUser user = userService.getUser(event.getAuthor().getId());
+        for (EventListener listener : EventService.LISTENERS) {
+            listener.onGuildMessageEdit(guild, user, event);
+        }
+    }
+
+    @Override
+    public void onMessageDelete(@NotNull MessageDeleteEvent event) {
+        Optional<DiscordMessage> optionalMessage = discordMessageRepository.findById(event.getMessageId());
+        if (optionalMessage.isEmpty()) {
+            return;
+        }
+        DiscordMessage message = optionalMessage.get();
+        message.setDeleted(true);
+        discordMessageRepository.save(message);
+    }
+}

src/main/java/cc/fascinated/bat/service/EventService.java

@@ -3,6 +3,7 @@ package cc.fascinated.bat.service;
 import cc.fascinated.bat.event.EventListener;
 import cc.fascinated.bat.model.BatGuild;
 import cc.fascinated.bat.model.BatUser;
+import cc.fascinated.bat.model.DiscordMessage;
 import lombok.NonNull;
 import lombok.extern.log4j.Log4j2;
 import net.dv8tion.jda.api.events.guild.member.GuildMemberJoinEvent;
@@ -11,7 +12,9 @@ import net.dv8tion.jda.api.events.guild.member.update.GuildMemberUpdateNicknameE
 import net.dv8tion.jda.api.events.interaction.ModalInteractionEvent;
 import net.dv8tion.jda.api.events.interaction.component.ButtonInteractionEvent;
 import net.dv8tion.jda.api.events.interaction.component.StringSelectInteractionEvent;
+import net.dv8tion.jda.api.events.message.MessageDeleteEvent;
 import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
+import net.dv8tion.jda.api.events.message.MessageUpdateEvent;
 import net.dv8tion.jda.api.events.user.update.UserUpdateGlobalNameEvent;
 import net.dv8tion.jda.api.hooks.ListenerAdapter;
 import org.jetbrains.annotations.NotNull;
@@ -36,11 +39,14 @@ public class EventService extends ListenerAdapter {
     public static final Set<EventListener> LISTENERS = new HashSet<>();
     private final GuildService guildService;
     private final UserService userService;
+    private final DiscordMessageService discordMessageService;
 
     @Autowired
-    public EventService(@NonNull GuildService guildService, @NonNull UserService userService, @NonNull ApplicationContext context) {
+    public EventService(@NonNull ApplicationContext context, @NonNull GuildService guildService, @NonNull UserService userService,
+                        @NonNull DiscordMessageService discordMessageService) {
         this.guildService = guildService;
         this.userService = userService;
+        this.discordMessageService = discordMessageService;
         DiscordService.JDA.addEventListener(this);
 
         context.getBeansOfType(EventListener.class).values().forEach(this::registerListeners);
@@ -95,6 +101,30 @@ public class EventService extends ListenerAdapter {
         }
     }
 
+    @Override
+    public void onMessageUpdate(@NotNull MessageUpdateEvent event) {
+        if (event.getAuthor().isBot()) {
+            return;
+        }
+        BatGuild guild = guildService.getGuild(event.getGuild().getId());
+        BatUser user = userService.getUser(event.getAuthor().getId());
+
+        for (EventListener listener : LISTENERS) {
+            listener.onGuildMessageEdit(guild, user, event);
+        }
+    }
+
+    @Override
+    public void onMessageDelete(@NotNull MessageDeleteEvent event) {
+        BatGuild guild = guildService.getGuild(event.getGuild().getId());
+        DiscordMessage message = discordMessageService.getMessage(event.getMessageId());
+        BatUser user = message == null ? null : userService.getUser(message.getAuthorId());
+
+        for (EventListener listener : LISTENERS) {
+            listener.onGuildMessageDelete(guild, user, message, event);
+        }
+    }
+
     @Override
     public void onStringSelectInteraction(StringSelectInteractionEvent event) {
         if (event.getUser().isBot()) {

src/main/resources/application.yml

@@ -28,3 +28,10 @@ spring:
       uri: "mongodb://bat:p4$$w0rd@localhost:27017"
       database: "bat"
       auto-index-creation: true # Automatically create collection indexes
+
+    # Redis - This is used for caching
+    redis:
+      host: "localhost"
+      port: 6379
+      database: 0
+      auth: "" # Leave blank for no auth