From 7444c2b1f281b5b147717ba2a2ed6798c66a057b Mon Sep 17 00:00:00 2001
From: Keuin <keuinx@gmail.com>
Date: Mon, 27 Apr 2020 17:42:07 +0800
Subject: Resized the logo to reduce plugin size. Refactored code for a better
 implementation of async and blocking task.

---
 .../kbackupfabric/operation/BackupOperation.java   | 105 +++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 src/main/java/com/keuin/kbackupfabric/operation/BackupOperation.java

(limited to 'src/main/java/com/keuin/kbackupfabric/operation/BackupOperation.java')

diff --git a/src/main/java/com/keuin/kbackupfabric/operation/BackupOperation.java b/src/main/java/com/keuin/kbackupfabric/operation/BackupOperation.java
new file mode 100644
index 0000000..7d3a508
--- /dev/null
+++ b/src/main/java/com/keuin/kbackupfabric/operation/BackupOperation.java
@@ -0,0 +1,105 @@
+package com.keuin.kbackupfabric.operation;
+
+import com.keuin.kbackupfabric.metadata.BackupMetadata;
+import com.keuin.kbackupfabric.operation.abstracts.InvokableAsyncBlockingOperation;
+import com.keuin.kbackupfabric.util.PrintUtil;
+import com.keuin.kbackupfabric.util.ZipUtil;
+import com.keuin.kbackupfabric.util.ZipUtilException;
+import com.mojang.brigadier.context.CommandContext;
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.command.ServerCommandSource;
+import net.minecraft.world.World;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
+import static com.keuin.kbackupfabric.util.BackupFilesystemUtil.*;
+import static com.keuin.kbackupfabric.util.PrintUtil.msgInfo;
+
+public class BackupOperation extends InvokableAsyncBlockingOperation {
+
+    private final CommandContext<ServerCommandSource> context;
+    private final String backupName;
+    private final Map<World, Boolean> oldWorldsSavingDisabled = new HashMap<>();
+    private final BackupMetadata backupMetadata;
+    private long startTime;
+
+
+    public BackupOperation(CommandContext<ServerCommandSource> context, String backupName, BackupMetadata backupMetadata) {
+        super("BackupWorker");
+        this.context = context;
+        this.backupName = backupName;
+        this.backupMetadata = backupMetadata;
+    }
+
+    @Override
+    protected void async() {
+        String backupSaveDirectory = "";
+        MinecraftServer server = context.getSource().getMinecraftServer();
+        try {
+            //// Do our main backup logic
+
+            // Create backup saving directory
+            File backupSaveDirectoryFile = getBackupSaveDirectory(server);
+            backupSaveDirectory = backupSaveDirectoryFile.getName();
+            if (!backupSaveDirectoryFile.isDirectory() && !backupSaveDirectoryFile.mkdir()) {
+                msgInfo(context, String.format("Failed to create backup saving directory: %s. Failed to backup.", backupSaveDirectory));
+                return;
+            }
+
+            // Make zip
+            String levelPath = getLevelPath(server);
+            String backupFileName = getBackupFileName(backupName);
+            PrintUtil.info(String.format("zip(srcPath=%s, destPath=%s)", levelPath, backupSaveDirectoryFile.toString()));
+            PrintUtil.info("Compressing level ...");
+            ZipUtil.makeBackupZip(levelPath, backupSaveDirectoryFile.toString(), backupFileName, backupMetadata);
+            File backupZipFile = new File(backupSaveDirectoryFile, backupFileName);
+
+            // Restore old autosave switch stat
+            server.getWorlds().forEach(world -> world.savingDisabled = oldWorldsSavingDisabled.getOrDefault(world, true));
+
+            // Print finish message: time elapsed and file size
+            long timeElapsedMillis = System.currentTimeMillis() - startTime;
+            String msgText = String.format("Backup finished. Time elapsed: %.2fs.", timeElapsedMillis / 1000.0);
+            try {
+                msgText += String.format(" File size: %s.", humanFileSize(backupZipFile.length()));
+            } catch (SecurityException ignored) {
+            }
+            PrintUtil.msgInfo(context, msgText, true);
+
+        } catch (SecurityException e) {
+            msgInfo(context, String.format("Failed to create backup saving directory: %s. Failed to backup.", backupSaveDirectory));
+        } catch (IOException | ZipUtilException e) {
+            msgInfo(context, "Failed to make zip: " + e.getMessage());
+        }
+    }
+
+    @Override
+    protected boolean sync() {
+        //// Save world, save old autosave configs
+
+        PrintUtil.broadcast(String.format("Making backup %s, please wait ...", backupName));
+
+        // Get server
+        MinecraftServer server = context.getSource().getMinecraftServer();
+
+        // Save old autosave switch stat temporally
+        oldWorldsSavingDisabled.clear();
+        server.getWorlds().forEach(world -> {
+            oldWorldsSavingDisabled.put(world, world.savingDisabled);
+            world.savingDisabled = true;
+        });
+
+        // Force to save all player data and worlds
+        PrintUtil.msgInfo(context, "Saving players ...");
+        server.getPlayerManager().saveAllPlayerData();
+        PrintUtil.msgInfo(context, "Saving worlds ...");
+        server.save(true, true, true);
+
+        // Log start time
+        startTime = System.currentTimeMillis();
+        return true;
+    }
+}
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