Added Sorting Manager (#105)

* Added SortingManager.

* Fixed initialization problem + added cache for team name

* Improved code readability

* Commit with the requested changes.

* Update src/main/java/net/william278/velocitab/Velocitab.java

Co-authored-by: William <will27528@gmail.com>

---------

Co-authored-by: William <will27528@gmail.com>

src/main/java/net/william278/velocitab/Velocitab.java

@@ -44,6 +44,7 @@ import net.william278.velocitab.hook.PAPIProxyBridgeHook;
 import net.william278.velocitab.packet.ScoreboardManager;
 import net.william278.velocitab.player.Role;
 import net.william278.velocitab.player.TabPlayer;
+import net.william278.velocitab.sorting.SortingManager;
 import net.william278.velocitab.tab.PlayerTabList;
 import org.bstats.charts.SimplePie;
 import org.bstats.velocity.Metrics;
@@ -73,6 +74,7 @@ public class Velocitab {
     private PlayerTabList tabList;
     private List<Hook> hooks;
     private ScoreboardManager scoreboardManager;
+    private SortingManager sortingManager;
 
     @Inject
     public Velocitab(@NotNull ProxyServer server, @NotNull Logger logger, @DataDirectory Path dataDirectory) {
@@ -87,6 +89,7 @@ public class Velocitab {
         loadHooks();
         prepareScoreboardManager();
         prepareTabList();
+        prepareSortingManager();
         registerCommands();
         registerMetrics();
         checkForUpdates();
@@ -170,6 +173,15 @@ public class Velocitab {
         }
     }
 
+    private void prepareSortingManager() {
+        this.sortingManager = new SortingManager(this);
+    }
+
+    @NotNull
+    public SortingManager getSortingManager() {
+        return sortingManager;
+    }
+
     @NotNull
     public Optional<ScoreboardManager> getScoreboardManager() {
         return Optional.ofNullable(scoreboardManager);

src/main/java/net/william278/velocitab/player/Role.java

@@ -23,10 +23,7 @@ import lombok.Getter;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
-import java.util.ArrayList;
-import java.util.List;
 import java.util.Optional;
-import java.util.stream.Collectors;
 
 public class Role implements Comparable<Role> {
     public static final int DEFAULT_WEIGHT = 0;
@@ -73,29 +70,9 @@ public class Role implements Comparable<Role> {
 
     @NotNull
     protected String getWeightString() {
-        return compressNumber(Integer.MAX_VALUE / 4d - weight);
+        return Integer.toString(weight);
     }
 
-    public String compressNumber(double number) {
-        int wholePart = (int) number;
 
-        final char decimalChar = (char) ((number - wholePart) * Character.MAX_VALUE);
-
-        final List<Character> charList = new ArrayList<>();
-
-        while (wholePart > 0) {
-            char digit = (char) (wholePart % Character.MAX_VALUE);
-
-            charList.add(0, digit);
-
-            wholePart /= Character.MAX_VALUE;
-        }
-
-        if (charList.isEmpty()) {
-            charList.add((char) 0);
-        }
-
-        return charList.stream().map(String::valueOf).collect(Collectors.joining()) + decimalChar;
-    }
 
 }

src/main/java/net/william278/velocitab/player/TabPlayer.java

@@ -26,7 +26,6 @@ import net.william278.velocitab.Velocitab;
 import net.william278.velocitab.config.Placeholder;
 import net.william278.velocitab.tab.PlayerTabList;
 import org.jetbrains.annotations.NotNull;
-import org.slf4j.event.Level;
 
 import java.util.Optional;
 import java.util.concurrent.CompletableFuture;
@@ -126,19 +125,8 @@ public final class TabPlayer implements Comparable<TabPlayer> {
 
     @NotNull
     public CompletableFuture<String> getTeamName(@NotNull Velocitab plugin) {
-        if (!plugin.getSettings().isSortPlayers()) {
-            return CompletableFuture.completedFuture("");
-        }
-
-        final String sortingFormat = String.join("", plugin.getSettings().getSortingElements());
-        return Placeholder.replace(sortingFormat, plugin, this) // Replace placeholders
-                .thenApply(formatted -> formatted.length() > 12 ? formatted.substring(0, 12) : formatted) // Truncate
-                .thenApply(truncated -> truncated + getPlayer().getUniqueId().toString().substring(0, 4)) // Make unique
-                .thenApply(teamName -> this.teamName = teamName)
-                .exceptionally(e -> {
-                    plugin.log(Level.ERROR, "Failed to get team name for " + player.getUsername(), e);
-                    return "";
-                });
+        return plugin.getSortingManager().getTeamName(this)
+                .thenApply(teamName -> this.teamName = teamName);
     }
 
     public Optional<String> getLastTeamName() {

src/main/java/net/william278/velocitab/sorting/SortingManager.java

@@ -0,0 +1,103 @@
+/*
+ * This file is part of Velocitab, licensed under the Apache License 2.0.
+ *
+ *  Copyright (c) William278 <will27528@gmail.com>
+ *  Copyright (c) contributors
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+package net.william278.velocitab.sorting;
+
+import net.william278.velocitab.Velocitab;
+import net.william278.velocitab.config.Placeholder;
+import net.william278.velocitab.player.TabPlayer;
+import org.slf4j.event.Level;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.concurrent.CompletableFuture;
+import java.util.stream.Collectors;
+
+public class SortingManager {
+
+    private final Velocitab plugin;
+    private static final String DELIMITER = ":::";
+
+    public SortingManager(Velocitab plugin) {
+        this.plugin = plugin;
+    }
+
+    public CompletableFuture<String> getTeamName(TabPlayer player) {
+        if (!plugin.getSettings().isSortPlayers()) {
+            return CompletableFuture.completedFuture("");
+        }
+
+        return Placeholder.replace(String.join(DELIMITER, plugin.getSettings().getSortingElements()), plugin, player)
+                .thenApply(s -> Arrays.asList(s.split(DELIMITER)))
+                .thenApply(v -> v.stream().map(this::adaptValue).collect(Collectors.toList()))
+                .thenApply(v -> handleList(player, v));
+    }
+
+    private String handleList(TabPlayer player, List<String> values) {
+        String result = String.join("", values);
+
+        if (result.length() > 12) {
+            result = result.substring(0, 12);
+            plugin.log(Level.WARN, "Sorting element list is too long, truncating to 16 characters");
+        }
+
+        result += player.getPlayer().getUniqueId().toString().substring(0, 4); // Make unique
+
+        return result;
+    }
+
+    private String adaptValue(String value) {
+        if (value.isEmpty()) {
+            return "";
+        }
+
+        if (value.matches("[0-9]+")) {
+            double parsed = Double.parseDouble(value);
+            return compressNumber(Integer.MAX_VALUE / 4d - parsed);
+        }
+
+        if (value.length() > 6) {
+            return value.substring(0, 4);
+        }
+
+        return value;
+    }
+
+    public String compressNumber(double number) {
+        int wholePart = (int) number;
+        final char decimalChar = (char) ((number - wholePart) * Character.MAX_VALUE);
+        final List<Character> charList = new ArrayList<>();
+
+        while (wholePart > 0) {
+            char digit = (char) (wholePart % Character.MAX_VALUE);
+
+            charList.add(0, digit);
+
+            wholePart /= Character.MAX_VALUE;
+        }
+
+        if (charList.isEmpty()) {
+            charList.add((char) 0);
+        }
+
+        return charList.stream().map(String::valueOf).collect(Collectors.joining()) + decimalChar;
+    }
+}
+