Adds a toggle-able admin alert when any admin joins the server

src/main/java/net/knarcraft/stargate/config/ConfigOption.java

@@ -147,7 +147,12 @@ public enum ConfigOption {
     /**
      * Whether to enable debug output for debugging permissions
      */
-    PERMISSION_DEBUG("debugging.permissionDebug", "Whether to enable permission debugging output", false);
+    PERMISSION_DEBUG("debugging.permissionDebug", "Whether to enable permission debugging output", false),
+
+    /**
+     * Whether to alert admins about new updates
+     */
+    ADMIN_UPDATE_ALERT("adminUpdateAlert", "Whether to alert admins about new plugin updates", true);
 
 
     private final String configNode;

src/main/java/net/knarcraft/stargate/config/StargateConfig.java

@@ -319,6 +319,15 @@ public final class StargateConfig {
         }
     }
 
+    /**
+     * Gets whether admins should be alerted about new plugin updates
+     *
+     * @return <p>Whether admins should be alerted about new updates</p>
+     */
+    public boolean alertAdminsAboutUpdates() {
+        return (boolean) configOptions.get(ConfigOption.ADMIN_UPDATE_ALERT);
+    }
+
     /**
      * Loads all config values
      */

src/main/java/net/knarcraft/stargate/listener/PlayerEventListener.java

@@ -13,6 +13,7 @@ import net.knarcraft.stargate.utility.BungeeHelper;
 import net.knarcraft.stargate.utility.MaterialHelper;
 import net.knarcraft.stargate.utility.PermissionHelper;
 import net.knarcraft.stargate.utility.UUIDMigrationHelper;
+import net.knarcraft.stargate.utility.UpdateChecker;
 import org.bukkit.ChatColor;
 import org.bukkit.GameMode;
 import org.bukkit.block.Block;
@@ -48,14 +49,22 @@ public class PlayerEventListener implements Listener {
      */
     @EventHandler
     public void onPlayerJoin(PlayerJoinEvent event) {
+        Player player = event.getPlayer();
         //Migrate player name to UUID if necessary
-        UUIDMigrationHelper.migrateUUID(event.getPlayer());
+        UUIDMigrationHelper.migrateUUID(player);
+
+        //Notify joining admins about the available update
+        String availableUpdate = Stargate.getUpdateAvailable();
+        if (availableUpdate != null && Stargate.getStargateConfig().alertAdminsAboutUpdates() &&
+                player.hasPermission("stargate.admin")) {
+            String updateMessage = UpdateChecker.getUpdateAvailableString(availableUpdate, Stargate.getPluginVersion());
+            Stargate.getMessageSender().sendErrorMessage(player, updateMessage);
+        }
 
         if (!Stargate.getGateConfig().enableBungee()) {
             return;
         }
 
-        Player player = event.getPlayer();
         //Check if the player is waiting to be teleported to a stargate
         String destination = BungeeHelper.removeFromQueue(player.getUniqueId());
         if (destination == null) {

src/main/resources/config.yml

@@ -18,6 +18,7 @@
 # mainSignColor - The color used for drawing signs (Default: BLACK).
 # highlightSignColor - The color used for sign markings (Default: WHITE)
 # verifyPortals - Whether all the non-sign blocks are checked to match the gate layout when a stargate is loaded.
+# adminUpdateAlert - Whether to alert admins about new plugin updates
 # I------------I-------------I #
 # stargate economy options #
 # I------------I-------------I #
@@ -36,6 +37,7 @@
 # permissionDebug - This will output any and all Permissions checks to console, used for permissions debugging (Requires debug: true)
 
 language: en
+adminUpdateAlert: true
 folders:
   portalFolder: plugins/Stargate/portals/
   gateFolder: plugins/Stargate/gates/