Reduce to 24 compiler errors

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/region/BackupScheduler.java

@@ -1,6 +1,5 @@
 package de.steamwar.bausystem.region;
 
-import com.sk89q.worldedit.EditSession;
 import de.steamwar.bausystem.BauSystem;
 import de.steamwar.bausystem.region.flags.ChangedMode;
 import de.steamwar.bausystem.region.flags.Flag;
@@ -9,6 +8,7 @@ import de.steamwar.linkage.api.Enable;
 import org.bukkit.scheduler.BukkitRunnable;
 
 import java.util.Iterator;
+import java.util.Optional;
 
 @Linked
 public class BackupScheduler implements Enable {
@@ -41,10 +41,11 @@ public class BackupScheduler implements Enable {
                 }
 
                 Region region = regionsToBackup.next();
-                EditSession editSession = region.getArea()
-                        .copy(false);
-                // TODO: Implement saving EditSession to schematic!
-                region.getFlags().set(Flag.CHANGED, ChangedMode.NO_CHANGE);
+                Optional<RegionBackups.Backup> backup = region.getBackups()
+                        .create(RegionBackups.BackupType.AUTOMATIC);
+                if (backup.isPresent()) {
+                    region.getFlags().set(Flag.CHANGED, ChangedMode.NO_CHANGE);
+                }
             }
         }.runTaskTimer(BauSystem.getInstance(), 0, 20 * 60);
     }

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/region/Region.java

@@ -35,9 +35,11 @@ public interface Region {
     static Stream<Region> getRegions() {
         return RegionSystem.INSTANCE.getRegions();
     }
+
     static Region getRegion(Location location) {
         return RegionSystem.INSTANCE.get(location);
     }
+
     static Region getGlobalRegion() {
         return RegionSystem.INSTANCE.getGlobalRegion();
     }
@@ -58,6 +60,8 @@ public interface Region {
 
     RegionHistory getHistory();
 
+    RegionBackups getBackups();
+
     interface Area {
 
         Area EMPTY = new Area() {

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/region/RegionBackups.java

@@ -0,0 +1,56 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2020  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.region;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+import java.util.List;
+import java.util.Optional;
+
+public interface RegionBackups {
+
+    @RequiredArgsConstructor
+    enum BackupType {
+        MANUAL(5),
+        AUTOMATIC(20),
+        ;
+
+        private final int maxBackups;
+    }
+
+    @RequiredArgsConstructor
+    @Getter
+    abstract class Backup {
+        private final BackupType type;
+        private final String name;
+        private final FlagStorage flags;
+
+        public abstract boolean load();
+
+        public abstract void delete();
+    }
+
+    Optional<Backup> create(BackupType backupType);
+
+    List<Backup> list();
+
+    Backup get(String name);
+}