use paste for messages longer than 512 and fix message sniping

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

@@ -0,0 +1,39 @@
+package cc.fascinated.bat.common;
+
+import cc.fascinated.bat.BatApplication;
+import cc.fascinated.bat.model.token.paste.PasteUploadToken;
+import lombok.SneakyThrows;
+import lombok.extern.log4j.Log4j2;
+
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+
+/**
+ * @author Fascinated (fascinated7)
+ */
+@Log4j2
+public class PasteUtils {
+    private static final String PASTE_URL = "https://paste.fascinated.cc/";
+    private static final String PASTE_UPLOAD_URL = PASTE_URL + "api/upload";
+    private static final HttpClient httpClient = HttpClient.newHttpClient();
+
+    /**
+     * Uploads a paste to the paste server
+     *
+     * @param content the content of the paste
+     * @return the paste upload token
+     */
+    @SneakyThrows
+    public static PasteUploadToken uploadPaste(String content) {
+        HttpResponse<String> response = httpClient.send(HttpRequest.newBuilder()
+                        .uri(URI.create(PASTE_UPLOAD_URL))
+                        .POST(HttpRequest.BodyPublishers.ofString(content))
+                        .build(), HttpResponse.BodyHandlers.ofString());
+        PasteUploadToken paste = BatApplication.GSON.fromJson(response.body(), PasteUploadToken.class);
+        paste.setUrl(PASTE_URL + paste.getKey());
+        log.info("Created paste with key \"{}\" ({})", paste.getKey(), paste.getUrl());
+        return paste;
+    }
+}

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

@@ -17,4 +17,21 @@ public class StringUtils {
         }
         return stringBuilder.toString();
     }
+
+    /**
+     * Escapes meta characters in a string
+     *
+     * @param inputString the input string
+     * @return the string with escaped meta characters
+     */
+    public static String escapeMetaCharacters(String inputString){
+        final String[] metaCharacters = {"\\","^","$","{","}","[","]","(",")",".","*","+","?","|","<",">","-","&","%"};
+
+        for (String metaCharacter : metaCharacters) {
+            if (inputString.contains(metaCharacter)) {
+                inputString = inputString.replace(metaCharacter, "\\" + metaCharacter);
+            }
+        }
+        return inputString;
+    }
 }

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

@@ -56,8 +56,8 @@ public class MessageSnipeFeature extends Feature implements EventListener {
      * @return the sniped messages for the given guild
      */
     public static SnipedMessage getDeletedMessage(BatGuild guild, String channelId) {
-        List<SnipedMessage> messages = snipedMessages.getOrDefault(guild, new ArrayList<>());
-        messages.sort(Comparator.comparing(SnipedMessage::getDeletedDate));
+        List<SnipedMessage> messages = snipedMessages.getOrDefault(guild, new ArrayList<>()).stream().filter(message -> message.getDeletedDate() != null)
+                .sorted(Comparator.comparing(SnipedMessage::getDeletedDate).reversed()).toList();
         for (SnipedMessage message : messages) {
             if (message.getDeletedDate() != null // Check if the message was deleted
                     && message.getMessage().getChannel().getId().equals(channelId)) {

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

@@ -3,6 +3,7 @@ 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.common.PasteUtils;
 import cc.fascinated.bat.features.messagesnipe.MessageSnipeFeature;
 import cc.fascinated.bat.features.messagesnipe.SnipedMessage;
 import cc.fascinated.bat.model.BatGuild;
@@ -31,20 +32,23 @@ public class DeletedSubCommand extends BatSubCommand {
         }
 
         User author = message.getMessage().getAuthor();
+        String content = message.getMessage().getContentDisplay();
         event.replyEmbeds(EmbedUtils.genericEmbed()
                 .setDescription("""
                         **Deleted Message Snipe**
                         ➜ Author: **%s** (%s)
                         ➜ Deleted: <t:%d:R>
-                        ➜ Content:
-                        ```
-                        %s
-                        ```
+                        ➜ Content: %s
                         """.formatted(
                         author.getAsMention(),
                         author.getId(),
                         message.getDeletedDate().getTime() / 1000,
-                        message.getMessage().getContentRaw()
+                        content.length() > 512 ? PasteUtils.uploadPaste(content).getUrl() :
+                                """
+                                ```
+                                %s
+                                ```
+                                """.formatted(content)
                 )).build()).queue();
     }
 }

src/main/java/cc/fascinated/bat/model/token/paste/PasteUploadToken.java

@@ -0,0 +1,22 @@
+package cc.fascinated.bat.model.token.paste;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.Setter;
+
+/**
+ * @author Fascinated (fascinated7)
+ */
+@AllArgsConstructor
+@Getter @Setter
+public class PasteUploadToken {
+    /**
+     * The key of the paste
+     */
+    private final String key;
+
+    /**
+     * The url of the paste
+     */
+    private String url;
+}