Make invite support both slash and message commands

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

@@ -0,0 +1,63 @@
+package wtf.beatrice.hidekobot.commands.message;
+
+import net.dv8tion.jda.api.Permission;
+import net.dv8tion.jda.api.entities.MessageEmbed;
+import net.dv8tion.jda.api.entities.emoji.Emoji;
+import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
+import net.dv8tion.jda.api.interactions.components.buttons.Button;
+import org.jetbrains.annotations.Nullable;
+import wtf.beatrice.hidekobot.commands.base.Invite;
+import wtf.beatrice.hidekobot.objects.commands.MessageCommand;
+
+import java.util.Collections;
+import java.util.LinkedList;
+import java.util.List;
+
+public class InviteCommand implements MessageCommand
+{
+
+    @Override
+    public LinkedList<String> getCommandLabels() {
+        return new LinkedList<>(Collections.singletonList("invite"));
+    }
+
+    @Nullable
+    @Override
+    public List<Permission> getPermissions() {
+        return null;
+    }
+
+    @Override
+    public boolean passRawArgs() {
+        return false;
+    }
+
+    @Override
+    public void runCommand(MessageReceivedEvent event, String label, String[] args)
+    {
+
+
+        MessageEmbed inviteEmbed = Invite.generateEmbed();
+        Button inviteButton = Invite.getInviteButton();
+
+        // if this is a guild, don't spam the invite in public but DM it
+        if(event.getChannelType().isGuild())
+        {
+            event.getAuthor().openPrivateChannel().queue(privateChannel ->
+            {
+                privateChannel.sendMessageEmbeds(inviteEmbed)
+                        .addActionRow(inviteButton)
+                        .queue();
+                event.getMessage().addReaction(Emoji.fromUnicode("✅")).queue();
+            },  (error) -> {
+                event.getMessage().addReaction(Emoji.fromUnicode("❌")).queue();
+            });
+        } else {
+            event.getMessage()
+                    .replyEmbeds(inviteEmbed)
+                    .addActionRow(inviteButton)
+                    .queue();
+        }
+
+    }
+}