Change offline message

src/main/java/META-INF/MANIFEST.MF

@@ -1,2 +1,3 @@
 Manifest-Version: 1.0
 Main-Class: cartoland.Cartoland
+

src/main/java/cartoland/Cartoland.java

@@ -50,6 +50,7 @@ public static void main(String[] args) throws InterruptedException
                         .addOption(OptionType.INTEGER,"lang_name", "The language that user want to change", false),
                 Commands.slash("language", "Change language or check current languages")
                         .addOption(OptionType.INTEGER,"lang_name", "The language that user want to change", false),
+                Commands.slash("megumin", "The best anime girl"),
 
                 Commands.slash("shutdown", "Use this to shutdown the bot")
                         .setDefaultPermissions(DefaultMemberPermissions.enabledFor(Permission.MANAGE_SERVER))

src/main/java/cartoland/events/BotOffline.java

@@ -1,8 +1,6 @@
 package cartoland.events;
 
-import cartoland.Cartoland;
 import cartoland.utility.FileHandle;
-import net.dv8tion.jda.api.entities.channel.concrete.TextChannel;
 import net.dv8tion.jda.api.events.session.ShutdownEvent;
 import net.dv8tion.jda.api.hooks.ListenerAdapter;
 import org.jetbrains.annotations.NotNull;
@@ -13,11 +11,7 @@ public class BotOffline extends ListenerAdapter
     public void onShutdown(@NotNull ShutdownEvent event)
     {
         super.onShutdown(event);
-        TextChannel channel = event.getJDA().getChannelById(TextChannel.class, Cartoland.BOT_CHANNEL_ID);
-        if (channel != null)
-            channel.sendMessage("Cartoland bot is now offline").queue();
         System.out.println("Cartoland Bot is now offline");
         FileHandle.logIntoFile("Cartoland Bot is now offline");
-        //System.exit(0);
     }
 }

src/main/java/cartoland/events/commands/CommandUsage.java

@@ -4,6 +4,7 @@
 import cartoland.utility.FileHandle;
 import cartoland.utility.JsonHandle;
 import net.dv8tion.jda.api.entities.Member;
+import net.dv8tion.jda.api.entities.channel.concrete.TextChannel;
 import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent;
 import net.dv8tion.jda.api.hooks.ListenerAdapter;
 import net.dv8tion.jda.api.interactions.commands.OptionMapping;
@@ -39,6 +40,9 @@ public CommandUsage()
         commands.put("shutdown", event ->
         {
             event.reply("Shutting down...").queue();
+            TextChannel channel = event.getJDA().getChannelById(TextChannel.class, Cartoland.BOT_CHANNEL_ID);
+            if (channel != null)
+                channel.sendMessage("Cartoland bot is now offline").queue();
             event.getJDA().shutdown();
         });
     }
@@ -54,8 +58,16 @@ public void onSlashCommandInteraction(@NotNull SlashCommandInteractionEvent even
         userID = member.getId();
         commands.get(event.getName()).commandProcess(event);
 
-        System.out.println(member.getUser().getName() + "(" + userID + ") used " + event.getName() + " " + argument);
-        FileHandle.logIntoFile(member.getUser().getName() + "(" + userID + ") used " + event.getName() + " " + argument);
+        if (argument != null)
+        {
+            System.out.println(member.getUser().getName() + "(" + userID + ") used /" + event.getName() + " " + argument);
+            FileHandle.logIntoFile(member.getUser().getName() + "(" + userID + ") used /" + event.getName() + " " + argument);
+        }
+        else
+        {
+            System.out.println(member.getUser().getName() + "(" + userID + ") used /" + event.getName());
+            FileHandle.logIntoFile(member.getUser().getName() + "(" + userID + ") used /" + event.getName());
+        }
     }
 
     String minecraftCommandRelated(String jsonKey, @NotNull SlashCommandInteractionEvent event)

src/main/java/cartoland/utility/FileHandle.java

@@ -3,6 +3,7 @@
 import java.io.FileWriter;
 import java.io.IOException;
 import java.nio.file.Files;
+import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.time.LocalDate;
 import java.time.LocalTime;
@@ -49,7 +50,7 @@ public static void logIntoFile(String output)
         {
             //一定要事先備好logs資料夾
             FileWriter logWriter = new FileWriter("logs/" + LocalDate.now(), true);
-            logWriter.write(LocalTime.now() + " " + output + "\n"); //時間 內容 換行
+            logWriter.write(LocalTime.now() + "\t" + output + "\n"); //時間 內容 換行
             logWriter.close();
         }
         catch (IOException e)
@@ -59,13 +60,15 @@ public static void logIntoFile(String output)
         }
     }
 
-    static Random random = new Random();
+    private static final Random random = new Random();
+    private static final Path megumin = Paths.get("megumin");
     public static String readRandomMeguminUrl()
     {
         int lineNumber = random.nextInt(350);
+
         try
         {
-            Stream<String> lines = Files.lines(Paths.get("megumin"));
+            Stream<String> lines = Files.lines(megumin);
             Optional<String> line = lines.skip(lineNumber).findFirst();
             return line.orElse("pensukeo/status/1184557949714219009");
         }