Make magicball support slash commands too

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

@@ -0,0 +1,52 @@
+package wtf.beatrice.hidekobot.commands.slash;
+
+import net.dv8tion.jda.api.entities.MessageEmbed;
+import net.dv8tion.jda.api.entities.channel.middleman.MessageChannel;
+import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent;
+import net.dv8tion.jda.api.interactions.commands.OptionMapping;
+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.MagicBall;
+import wtf.beatrice.hidekobot.objects.commands.SlashCommandImpl;
+
+public class MagicBallCommand extends SlashCommandImpl
+{
+    @Override
+    public CommandData getSlashCommandData()
+    {
+
+        return Commands.slash(MagicBall.getLabels().get(0),
+                "Ask a question to the magic ball.")
+                .addOption(OptionType.STRING, "question",
+                        "The question to ask.",
+                        true,
+                        false);
+    }
+
+    @Override
+    public void runSlashCommand(@NotNull SlashCommandInteractionEvent event)
+    {
+        MessageChannel channel = event.getChannel();
+
+        // get the asked question
+        OptionMapping textOption = event.getOption("question");
+        String question = "";
+        if(textOption != null)
+        {
+            question = textOption.getAsString();
+        }
+
+        if(textOption == null || question.isEmpty())
+        {
+            event.reply("\uD83D\uDE20 Hey, you have to ask me a question!")
+                    .setEphemeral(true)
+                    .queue();
+            return;
+        }
+
+        MessageEmbed response = MagicBall.generateEmbed(question, event.getUser());
+        event.replyEmbeds(response).queue();
+    }
+}