add code

src/main/java/sh/okx/rankup/commands/RankupCommand.java

@@ -0,0 +1,72 @@
+package sh.okx.rankup.commands;
+
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.configuration.file.FileConfiguration;
+import org.bukkit.entity.Player;
+import sh.okx.rankup.Rankup;
+import sh.okx.rankup.gui.Gui;
+import sh.okx.rankup.messages.Message;
+import sh.okx.rankup.messages.Variable;
+import sh.okx.rankup.ranks.Rank;
+import sh.okx.rankup.ranks.Rankups;
+
+import java.util.Map;
+import java.util.WeakHashMap;
+
+public class RankupCommand implements CommandExecutor {
+  private final Map<Player, Long> confirming = new WeakHashMap<>();
+  private final Rankup plugin;
+
+  public RankupCommand(Rankup plugin) {
+    this.plugin = plugin;
+  }
+
+  @Override
+  public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
+    // check if player
+    if (!(sender instanceof Player)) {
+      return false;
+    }
+    Player player = (Player) sender;
+
+    Rankups rankups = plugin.getRankups();
+    Rank rank = rankups.getRank(player);
+    if (!plugin.checkRankup(player)) {
+      return true;
+    }
+
+    FileConfiguration config = plugin.getConfig();
+    String confirmationType = config.getString("confirmation-type").toLowerCase();
+
+    // if they are on text confirming, rank them up
+    if (confirmationType.equals("text") && confirming.containsKey(player)) {
+      long time = System.currentTimeMillis() - confirming.remove(player);
+      if (time < config.getInt("text.timeout") * 1000) {
+        plugin.rankup(player);
+        return true;
+      }
+    }
+
+    switch (confirmationType) {
+      case "text":
+        confirming.put(player, System.currentTimeMillis());
+        plugin.getMessage(rank, Message.CONFIRMATION)
+            .replace(Variable.PLAYER, player.getName())
+            .replace(Variable.RANK, rank.getRank())
+            .replace(Variable.RANK_NAME, rank.getName())
+            .send(player);
+        break;
+      case "gui":
+        Gui.of(player, rank, rankups.nextRank(rank), plugin).open(player);
+        break;
+      case "none":
+        plugin.rankup(player);
+        break;
+      default:
+        throw new IllegalArgumentException("Invalid confirmation type " + confirmationType);
+    }
+    return true;
+  }
+}