add /rankup cooldown

build.gradle

@@ -4,7 +4,7 @@ plugins {
 }
 
 group 'sh.okx'
-version '3.0-alpha.12'
+version '3.0-alpha.13'
 
 sourceCompatibility = 1.8
 

src/main/java/sh/okx/rankup/Rankup.java

@@ -33,6 +33,8 @@ import sh.okx.rankup.ranks.requirements.XpLevelRequirement;
 import java.io.File;
 import java.text.DecimalFormat;
 import java.util.List;
+import java.util.Map;
+import java.util.WeakHashMap;
 import java.util.function.Supplier;
 
 public class Rankup extends JavaPlugin {
@@ -54,6 +56,11 @@ public class Rankup extends JavaPlugin {
   @Getter
   private Placeholders placeholders;
 
+  /**
+   * Players who cannot rankup for a certain amount of time.
+   */
+  private Map<Player, Long> cooldowns;
+
   @Override
   public void onEnable() {
     registerRequirements();
@@ -85,6 +92,7 @@ public class Rankup extends JavaPlugin {
   }
 
   public void reload() {
+    cooldowns = new WeakHashMap<>();
     closeInventories();
     loadConfigs();
     if (Bukkit.getPluginManager().isPluginEnabled("PlaceholderAPI")) {
@@ -204,6 +212,11 @@ public class Rankup extends JavaPlugin {
         .send(player);
 
     oldRank.runCommands(player, rank);
+
+    // apply cooldown last
+    if(config.getInt("cooldown") > 0) {
+      cooldowns.put(player, System.currentTimeMillis());
+    }
   }
 
   /**
@@ -239,7 +252,23 @@ public class Rankup extends JavaPlugin {
       replaceRequirements(player, builder, rank);
       builder.send(player);
       return false;
+    } else if (cooldowns.containsKey(player)) {
+      long time = System.currentTimeMillis() - cooldowns.get(player);
+      // if time passed is less than the cooldown
+      long timeLeft = (config.getInt("cooldown") * 1000) - time;
+      if (timeLeft > 0) {
+        long secondsLeft = (long) Math.ceil(timeLeft / 1000f);
+        getMessage(rank, secondsLeft > 1 ? Message.COOLDOWN_PLURAL : Message.COOLDOWN_SINGULAR)
+            .failIfEmpty()
+            .replaceAll(player, rank)
+            .replace(Variable.SECONDS, secondsLeft)
+            .send(player);
+        return false;
       }
+      // cooldown has expired so remove it
+      cooldowns.remove(player);
+    }
+
     return true;
   }
 

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

@@ -8,7 +8,6 @@ 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;
 
@@ -16,7 +15,10 @@ import java.util.Map;
 import java.util.WeakHashMap;
 
 public class RankupCommand implements CommandExecutor {
+  // weak hash maps so players going offline are automatically removed.
+  // otherwise there is a potential (but small) memory leak.
   private final Map<Player, Long> confirming = new WeakHashMap<>();
+
   private final Rankup plugin;
 
   public RankupCommand(Rankup plugin) {

src/main/java/sh/okx/rankup/messages/EmptyMessageBuilder.java

@@ -7,6 +7,9 @@ class EmptyMessageBuilder extends MessageBuilder {
     super(null);
   }
 
+  /**
+   * what are you doing failing if empty when it has already failed?
+   */
   @Override
   public MessageBuilder failIfEmpty() {
     throw new UnsupportedOperationException();

src/main/java/sh/okx/rankup/messages/Message.java

@@ -14,7 +14,9 @@ public enum Message {
   RANKS_FOOTER("rankup.ranks.footer"),
   RANKS_COMPLETE("rankup.ranks.complete"),
   RANKS_CURRENT("rankup.ranks.current"),
-  RANKS_INCOMPLETE("rankup.ranks.incomplete");
+  RANKS_INCOMPLETE("rankup.ranks.incomplete"),
+  COOLDOWN_SINGULAR("rankup.cooldown.singular"),
+  COOLDOWN_PLURAL("rankup.cooldown.plural");
 
   @Getter
   private final String name;

src/main/java/sh/okx/rankup/messages/MessageBuilder.java

@@ -1,16 +1,12 @@
 package sh.okx.rankup.messages;
 
-import lombok.AllArgsConstructor;
-import net.milkbowl.vault.economy.Economy;
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.entity.Player;
 import sh.okx.rankup.ranks.Rank;
-import sh.okx.rankup.ranks.requirements.Requirement;
 
-import java.text.DecimalFormat;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -65,6 +61,7 @@ public class MessageBuilder {
   /**
    * Fails the MessageBuilder if the message is empty.
    * if this fails, all subsequent calls to that MessageBuilder will do nothing
+   *
    * @return an EmptyMessageBuilder if the message is empty, itself otherwise
    */
   public MessageBuilder failIfEmpty() {

src/main/java/sh/okx/rankup/messages/Variable.java

@@ -14,7 +14,8 @@ public enum Variable {
   AMOUNT,
   AMOUNT_NEEDED,
   PERCENT_DONE,
-  PERCENT_LEFT;
+  PERCENT_LEFT,
+  SECONDS;
 
   public String replace(String message, String value, String type) {
     Pattern pattern = Pattern.compile("\\{" + type + "_" + this + "}", Pattern.CASE_INSENSITIVE);

src/main/resources/config.yml

@@ -10,6 +10,11 @@ ranks: true
 # options are: gui, text or none
 confirmation-type: 'gui'
 
+# how long in seconds people have to wait between a /rankup
+# only successful rankups start the cooldown.
+# set to 0 to disable.
+cooldown: 1
+
 gui:
   rows: 1
   rankup:
@@ -34,7 +39,7 @@ gui:
 
 text:
   # the time in seconds for a player to
-  # confirm ranking up by typing the command again
+  # confirm by typing /rankup again
   timeout: 10
 
 placeholders:

src/main/resources/messages.yml

@@ -32,5 +32,9 @@ rankup:
     # an empty string disables the header/footer
     header: ''
     footer: ''
+  # sent when a player tries to rankup when they are on cooldown
+  cooldown:
+    singular: '&cYou must wait {SECONDS} more second to rankup again.'
+    plural: '&cYou must wait {SECONDS} more seconds to rankup again.'
 
 not-in-ladder: "&cSorry, but we could not find any rankups for the group(s) you are in."

src/main/resources/plugin.yml

@@ -1,5 +1,5 @@
 name: Rankup
-version: 3.0-alpha.12
+version: 3.0-alpha.13
 main: sh.okx.rankup.Rankup
 author: Okx
 depend: [Vault]