Add a MessageResponse class for mixed-type content

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

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+package wtf.beatrice.hidekobot.commands.base;public class DiceRoll {
+}

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

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+package wtf.beatrice.hidekobot.commands.slash;
+
+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.DefaultMemberPermissions;
+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.Say;
+import wtf.beatrice.hidekobot.objects.commands.SlashCommandImpl;
+
+public class SayCommand extends SlashCommandImpl
+{
+    @Override
+    public CommandData getSlashCommandData()
+    {
+
+        return Commands.slash("say", "Make the bot say something.")
+                .addOption(OptionType.STRING, "text",
+                        "The message to send.",
+                        true,
+                        false)
+                .setDefaultPermissions(DefaultMemberPermissions.enabledFor(Say.getPermission()));
+    }
+
+    @Override
+    public void runSlashCommand(@NotNull SlashCommandInteractionEvent event)
+    {
+        MessageChannel channel = event.getChannel();
+
+        // get the text to send
+        OptionMapping textOption = event.getOption("text");
+        String messageContent = "";
+        if(textOption != null)
+        {
+             messageContent = textOption.getAsString();
+        }
+
+        if(textOption == null || messageContent.isEmpty())
+        {
+            event.reply("\uD83D\uDE20 Hey, you have to tell me what to say!")
+                    .setEphemeral(true)
+                    .queue();
+            return;
+        }
+
+        channel.sendMessage(messageContent).queue();
+        event.reply("Message sent! ✨")
+                .setEphemeral(true)
+                .queue();
+    }
+}

src/main/java/wtf/beatrice/hidekobot/objects/MessageResponse.java

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+package wtf.beatrice.hidekobot.objects;
+
+import net.dv8tion.jda.api.entities.MessageEmbed;
+import org.jetbrains.annotations.Nullable;
+
+public class MessageResponse
+{
+    private final String content;
+    private final MessageEmbed embed;
+
+    public MessageResponse(String content, MessageEmbed embed)
+    {
+        this.content = content;
+        this.embed = embed;
+    }
+
+    @Nullable
+    public String getContent()
+    {
+        return content;
+    }
+
+    @Nullable
+    public MessageEmbed getEmbed()
+    {
+        return embed;
+    }
+}