fix: cache not cleared on `/userdata delete`, close #245

common/src/main/java/net/william278/husksync/command/UserDataCommand.java

@@ -112,13 +112,14 @@ public class UserDataCommand extends Command implements TabProvider {
                     return;
                 }
 
-                // Delete user data by specified UUID
+                // Delete user data by specified UUID and clear their data cache
                 final UUID version = optionalUuid.get();
                 if (!plugin.getDatabase().deleteSnapshot(user, version)) {
                     plugin.getLocales().getLocale("error_invalid_version_uuid")
                             .ifPresent(executor::sendMessage);
                     return;
                 }
+                plugin.getRedisManager().clearUserData(user);
 
                 plugin.getLocales().getLocale("data_deleted",
                                 version.toString().split("-")[0],

common/src/main/java/net/william278/husksync/redis/RedisManager.java

@@ -255,6 +255,18 @@ public class RedisManager extends JedisPubSub {
         }
     }
 
+    @Blocking
+    public void clearUserData(@NotNull User user) {
+        try (Jedis jedis = jedisPool.getResource()) {
+            jedis.del(
+                    getKey(RedisKeyType.LATEST_SNAPSHOT, user.getUuid(), clusterId)
+            );
+            plugin.debug(String.format("[%s] Cleared %s on Redis", user.getUsername(), RedisKeyType.LATEST_SNAPSHOT));
+        } catch (Throwable e) {
+            plugin.log(Level.SEVERE, "An exception occurred clearing user data on Redis", e);
+        }
+    }
+
     @Blocking
     public void setUserCheckedOut(@NotNull User user, boolean checkedOut) {
         try (Jedis jedis = jedisPool.getResource()) {