From e6af2461708d8b4c710af06b5c1675c10eb59818 Mon Sep 17 00:00:00 2001
From: Josh Roy <10731363+JRoy@users.noreply.github.com>
Date: Fri, 6 Aug 2021 13:57:42 -0400
Subject: [PATCH] Add IPermissionsHandler#getGroups to fetch all groups

---
 .../earth2me/essentials/perm/IPermissionsHandler.java |  2 ++
 .../earth2me/essentials/perm/PermissionsHandler.java  | 11 +++++++++++
 .../essentials/perm/impl/AbstractVaultHandler.java    |  5 +++++
 .../essentials/perm/impl/SuperpermsHandler.java       |  5 +++++
 4 files changed, 23 insertions(+)

diff --git a/Essentials/src/main/java/com/earth2me/essentials/perm/IPermissionsHandler.java b/Essentials/src/main/java/com/earth2me/essentials/perm/IPermissionsHandler.java
index 707be09c8..10ab3627d 100644
--- a/Essentials/src/main/java/com/earth2me/essentials/perm/IPermissionsHandler.java
+++ b/Essentials/src/main/java/com/earth2me/essentials/perm/IPermissionsHandler.java
@@ -14,6 +14,8 @@ public interface IPermissionsHandler {
 
     List<String> getGroups(Player base);
 
+    List<String> getGroups();
+
     boolean canBuild(Player base, String group);
 
     boolean inGroup(Player base, String group);
diff --git a/Essentials/src/main/java/com/earth2me/essentials/perm/PermissionsHandler.java b/Essentials/src/main/java/com/earth2me/essentials/perm/PermissionsHandler.java
index 722c55a9a..ce949344e 100644
--- a/Essentials/src/main/java/com/earth2me/essentials/perm/PermissionsHandler.java
+++ b/Essentials/src/main/java/com/earth2me/essentials/perm/PermissionsHandler.java
@@ -55,6 +55,17 @@ public class PermissionsHandler implements IPermissionsHandler {
         return Collections.unmodifiableList(groups);
     }
 
+    @Override
+    public List<String> getGroups() {
+        final long start = System.nanoTime();
+        List<String> groups = handler.getGroups();
+        if (groups == null || groups.isEmpty()) {
+            groups = Collections.singletonList(defaultGroup);
+        }
+        checkPermLag(start, "Getting all groups");
+        return Collections.unmodifiableList(groups);
+    }
+
     @Override
     public boolean canBuild(final Player base, final String group) {
         return handler.canBuild(base, group);
diff --git a/Essentials/src/main/java/com/earth2me/essentials/perm/impl/AbstractVaultHandler.java b/Essentials/src/main/java/com/earth2me/essentials/perm/impl/AbstractVaultHandler.java
index 9f2777f7d..89621a100 100644
--- a/Essentials/src/main/java/com/earth2me/essentials/perm/impl/AbstractVaultHandler.java
+++ b/Essentials/src/main/java/com/earth2me/essentials/perm/impl/AbstractVaultHandler.java
@@ -41,6 +41,11 @@ public abstract class AbstractVaultHandler extends SuperpermsHandler {
         return Arrays.asList(perms.getPlayerGroups(base));
     }
 
+    @Override
+    public List<String> getGroups() {
+        return Arrays.asList(perms.getGroups());
+    }
+
     @Override
     public boolean inGroup(final Player base, final String group) {
         return perms.playerInGroup(base, group);
diff --git a/Essentials/src/main/java/com/earth2me/essentials/perm/impl/SuperpermsHandler.java b/Essentials/src/main/java/com/earth2me/essentials/perm/impl/SuperpermsHandler.java
index 1e285b8bb..73679611d 100644
--- a/Essentials/src/main/java/com/earth2me/essentials/perm/impl/SuperpermsHandler.java
+++ b/Essentials/src/main/java/com/earth2me/essentials/perm/impl/SuperpermsHandler.java
@@ -30,6 +30,11 @@ public class SuperpermsHandler implements IPermissionsHandler {
         return null;
     }
 
+    @Override
+    public List<String> getGroups() {
+        return null;
+    }
+
     @Override
     public boolean canBuild(final Player base, final String group) {
         return hasPermission(base, "essentials.build");