feat: add method for getting OnlineUser in common module

(cherry picked from commit 1820a81)

common/src/main/java/net/william278/husksync/api/HuskSyncAPI.java

@@ -99,6 +99,18 @@ public CompletableFuture<Optional<User>> getUser(@NotNull UUID uuid) {
         return plugin.supplyAsync(() -> plugin.getDatabase().getUser(uuid));
     }
 
+    /**
+     * Get an {@link OnlineUser} by their UUID
+     *
+     * @param uuid the UUID of the user to get
+     * @return The {@link OnlineUser} wrapped in an optional, if they are online on <i>this</i> server.
+     * @since 3.7.2
+     */
+    @NotNull
+    public Optional<OnlineUser> getOnlineUser(@NotNull UUID uuid) {
+        return plugin.getOnlineUser(uuid);
+    }
+
     /**
      * Get a {@link User} by their username
      *

docs/API.md

@@ -20,7 +20,6 @@ The HuskSync API is available for the following platforms:
 * `fabric` - Fabric API for Minecraft. Provides Fabric API event listeners and adapters to `net.minecraft` objects.
 * `common` - Common API for all platforms.
 
-
 <details>
 <summary>Targeting older versions</summary>
 

docs/Data-Snapshot-API.md

@@ -43,6 +43,7 @@ huskSyncAPI.getUser(uuid).thenAccept(optionalUser -> {
 </details>
 
 * If you have an online `org.bukkit.Player` object, you can use `BukkitPlayer#adapt(player)` to get an `OnlineUser` (extends `User`), representing a logged-in user.
+* You can also use `#getOnlineUser(UUID)` to get an OnlineUser by their UUID - note this only works for players online on the server the logic is called from, however.
 
 <details>
 <summary>Code Example &mdash; Getting an online user</summary>