From 602fb9e88685041abac73f868cb697123e15865c Mon Sep 17 00:00:00 2001 From: Keuin Date: Fri, 29 Jan 2021 18:54:53 +0800 Subject: Add Op login hint in the next start after restoring --- .../notification/NotificationManager.java | 49 ++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 src/main/java/com/keuin/kbackupfabric/notification/NotificationManager.java (limited to 'src/main/java/com/keuin/kbackupfabric/notification/NotificationManager.java') diff --git a/src/main/java/com/keuin/kbackupfabric/notification/NotificationManager.java b/src/main/java/com/keuin/kbackupfabric/notification/NotificationManager.java new file mode 100644 index 0000000..96ecf41 --- /dev/null +++ b/src/main/java/com/keuin/kbackupfabric/notification/NotificationManager.java @@ -0,0 +1,49 @@ +package com.keuin.kbackupfabric.notification; + +import com.keuin.kbackupfabric.metadata.BackupMetadata; +import com.keuin.kbackupfabric.metadata.MetadataHolder; +import com.keuin.kbackupfabric.util.DateUtil; +import net.minecraft.text.LiteralText; +import net.minecraft.text.Style; +import net.minecraft.util.Formatting; + +import java.util.HashSet; +import java.util.Set; + +/** + * Notify some users when the server has been restored to a backup. + */ +public class NotificationManager { + + public static final NotificationManager INSTANCE = new NotificationManager(); + + private final Set notified = new HashSet<>(); + + private NotificationManager() { + } + + public void notifyPlayer(DistinctNotifiable distinctNotifiable) { + Object identifier = distinctNotifiable.getIdentifier(); + if (distinctNotifiable.isPrivileged() && !notified.contains(identifier)) { + notified.add(identifier); + notify(distinctNotifiable); + } + } + + /** + * Just notify if necessary. It will not update the set. + */ + private void notify(DistinctNotifiable notifiable) { + if (MetadataHolder.hasMetadata()) { + BackupMetadata backup = MetadataHolder.getMetadata(); + notifiable.notify( + new LiteralText("The server has been restored to backup ") + .append(new LiteralText("[" + backup.getBackupName() + "]").setStyle(new Style().setColor(Formatting.GREEN))) + .append(new LiteralText(" (created at ")) + .append(new LiteralText("[" + DateUtil.fromEpochMillis(backup.getBackupTime()) + "]").setStyle(new Style().setColor(Formatting.GREEN))) + .append(new LiteralText(")")) + ); + } + } + +} -- cgit v1.2.3