add /prestige

src/main/java/sh/okx/rankup/prestige/Prestige.java

@@ -1,4 +1,65 @@
 package sh.okx.rankup.prestige;
 
-public class Prestige {
+import lombok.Getter;
+import org.bukkit.configuration.ConfigurationSection;
+import org.bukkit.entity.Player;
+import sh.okx.rankup.Rankup;
+import sh.okx.rankup.ranks.Rank;
+import sh.okx.rankup.requirements.Operation;
+import sh.okx.rankup.requirements.Requirement;
+
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+public class Prestige extends Rank {
+  @Getter
+  private final String from;
+  @Getter
+  private final String to;
+
+  private Prestige(Rankup plugin, String name, String next, String rank, Set<Requirement> requirements, Operation operation, List<String> commands, String from, String to) {
+    super(plugin, name, next, rank, requirements, operation, commands);
+    this.from = from;
+    this.to = to;
+  }
+
+  public static Prestige deserialize(Rankup plugin, ConfigurationSection section) {
+    Set<Requirement> requirements = new HashSet<>();
+    Operation operation = null;
+    ConfigurationSection requirementsSection = section.getConfigurationSection("requirements");
+
+    if (requirementsSection != null) {
+      requirements = plugin.getRequirementRegistry().getRequirements(requirementsSection);
+      operation = plugin.getOperationRegistry().getOperation(section.getString("operation"));
+    }
+
+    return new Prestige(plugin,
+        section.getName(),
+        section.getString("next"),
+        section.getString("rank"),
+        requirements,
+        operation,
+        section.getStringList("commands"),
+        section.getString("from"),
+        section.getString("to"));
+  }
+
+  public boolean isEligable(Player player) {
+    String[] groups = plugin.getPermissions().getPlayerGroups(player);
+    for (String group : groups) {
+      if (group.equalsIgnoreCase(from)) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (!(o instanceof Prestige)) {
+      return false;
+    }
+    return ((Prestige) o).name.equals(name);
+  }
 }