Make coinflip support both slash and message commands

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

@@ -0,0 +1,69 @@
+package wtf.beatrice.hidekobot.commands.base;
+
+import net.dv8tion.jda.api.entities.Message;
+import net.dv8tion.jda.api.entities.User;
+import net.dv8tion.jda.api.entities.emoji.Emoji;
+import net.dv8tion.jda.api.events.interaction.component.ButtonInteractionEvent;
+import net.dv8tion.jda.api.interactions.components.ActionRow;
+import net.dv8tion.jda.api.interactions.components.buttons.Button;
+import wtf.beatrice.hidekobot.Cache;
+import wtf.beatrice.hidekobot.util.RandomUtil;
+
+import java.util.List;
+
+public class CoinFlip
+{
+
+
+    public static Button getReflipButton() {
+        return Button.primary("coinflip_reflip", "Flip again")
+                .withEmoji(Emoji.fromFormatted("\uD83E\uDE99"));
+    }
+
+    public static String genRandom()
+    {
+        int rand = RandomUtil.getRandomNumber(0, 1);
+        String msg;
+
+        if(rand == 1)
+        {
+            msg = ":coin: It's **Heads**!";
+        } else {
+            msg = "It's **Tails**! :coin:";
+        }
+
+        return msg;
+    }
+
+    public static void buttonReFlip(ButtonInteractionEvent event)
+    {
+        // check if the user interacting is the same one who ran the command
+        if(!(Cache.getDatabaseSource().isUserTrackedFor(event.getUser().getId(), event.getMessageId())))
+        {
+            event.reply("❌ You did not run this command!").setEphemeral(true).queue();
+            return;
+        }
+
+        // set old message's button as disabled
+        List<ActionRow> actionRows = event.getMessage().getActionRows();
+        actionRows.set(0, actionRows.get(0).asDisabled());
+        event.editComponents(actionRows).queue();
+
+        // perform coin flip
+        event.getHook().sendMessage(genRandom())
+                .addActionRow(getReflipButton())
+                .queue((message) ->
+                {
+                    // set the command as expiring and restrict it to the user who ran it
+                    trackAndRestrict(message, event.getUser());
+                }, (error) -> {});
+    }
+
+    public static void trackAndRestrict(Message replyMessage, User user)
+    {
+        String replyMessageId = replyMessage.getId();
+
+        Cache.getDatabaseSource().queueDisabling(replyMessage);
+        Cache.getDatabaseSource().trackRanCommandReply(replyMessage, user);
+    }
+}