Fix messages with newlines not being handled for commands

src/main/java/wtf/beatrice/hidekobot/HidekoBot.java

@@ -133,6 +133,7 @@ public class HidekoBot
         messageCommandListener.registerCommand(new wtf.beatrice.hidekobot.commands.message.BotInfoCommand());
         messageCommandListener.registerCommand(new wtf.beatrice.hidekobot.commands.message.CoinFlipCommand());
         messageCommandListener.registerCommand(new wtf.beatrice.hidekobot.commands.message.ClearCommand());
+        messageCommandListener.registerCommand(new wtf.beatrice.hidekobot.commands.message.SayCommand());
         Cache.setMessageCommandListener(messageCommandListener);
 
         // register listeners

src/main/java/wtf/beatrice/hidekobot/commands/base/Say.java

@@ -0,0 +1,11 @@
+package wtf.beatrice.hidekobot.commands.base;
+
+import net.dv8tion.jda.api.Permission;
+
+public class Say
+{
+
+    public static Permission getPermission() {
+        return Permission.MESSAGE_MANAGE;
+    }
+}

src/main/java/wtf/beatrice/hidekobot/commands/message/SayCommand.java

@@ -0,0 +1,51 @@
+package wtf.beatrice.hidekobot.commands.message;
+
+import net.dv8tion.jda.api.Permission;
+import net.dv8tion.jda.api.entities.channel.middleman.MessageChannel;
+import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
+import org.jetbrains.annotations.Nullable;
+import wtf.beatrice.hidekobot.commands.base.ClearChat;
+import wtf.beatrice.hidekobot.commands.base.Say;
+import wtf.beatrice.hidekobot.objects.commands.MessageCommand;
+
+import java.util.Collections;
+import java.util.LinkedList;
+import java.util.List;
+
+public class SayCommand implements MessageCommand
+{
+
+
+    @Override
+    public LinkedList<String> getCommandLabels() {
+        return new LinkedList<>(Collections.singletonList("say"));
+    }
+
+    @Nullable
+    @Override
+    public List<Permission> getPermissions() { return Collections.singletonList(Say.getPermission()); }
+
+    @Override
+    public boolean passRawArgs() {
+        return true;
+    }
+
+    @Override
+    public void runCommand(MessageReceivedEvent event, String label, String[] args)
+    {
+
+        String messageContent = "";
+        if(args.length != 0)
+        {
+            messageContent = args[0];
+        } else {
+            event.getMessage().reply("\uD83D\uDE20 Hey, you have to tell me what to say!")
+                    .queue();
+            return;
+        }
+
+        event.getChannel().sendMessage(messageContent).queue();
+        event.getMessage().delete().queue();
+
+    }
+}

src/main/java/wtf/beatrice/hidekobot/commands/slash/SayCommand.java

@@ -9,6 +9,7 @@ import net.dv8tion.jda.api.interactions.commands.OptionType;
 import net.dv8tion.jda.api.interactions.commands.build.CommandData;
 import net.dv8tion.jda.api.interactions.commands.build.Commands;
 import org.jetbrains.annotations.NotNull;
+import wtf.beatrice.hidekobot.commands.base.Say;
 import wtf.beatrice.hidekobot.objects.commands.SlashCommandImpl;
 
 public class SayCommand extends SlashCommandImpl
@@ -22,7 +23,7 @@ public class SayCommand extends SlashCommandImpl
                         "The message to send.",
                         true,
                         false)
-                .setDefaultPermissions(DefaultMemberPermissions.enabledFor(Permission.MESSAGE_MANAGE));
+                .setDefaultPermissions(DefaultMemberPermissions.enabledFor(Say.getPermission()));
     }
 
     @Override

src/main/java/wtf/beatrice/hidekobot/listeners/MessageCommandListener.java

@@ -57,10 +57,11 @@ public class MessageCommandListener extends ListenerAdapter
     @Override
     public void onMessageReceived(@NotNull MessageReceivedEvent event)
     {
-        String eventMessage = event.getMessage().getContentDisplay();
+        // warning: we are getting the RAW value of the message content, not the DISPLAY value!
+        String eventMessage = event.getMessage().getContentRaw();
 
         // check if the sent message matches the bot activation regex (prefix, name, ...)
-        if(!eventMessage.toLowerCase().matches(commandRegex + ".*"))
+        if(!eventMessage.toLowerCase().matches(commandRegex + "((.|\\n)*)"))
             return;
 
         // generate args from the string
@@ -120,6 +121,7 @@ public class MessageCommandListener extends ListenerAdapter
         String[] commandArgs;
         if(commandObject.passRawArgs())
         {
+
             // remove first argument, which is the command label
             argsString = argsString.replaceAll("^[\\S]+\\s+", "");
             // pass all other arguments as a single argument as the first array element