BackupMethod now becomes stateful

1 files changed, 52 insertions, 0 deletions

diff --git a/src/main/java/com/keuin/kbackupfabric/operation/backup/method/ConfiguredIncrementalBackupMethod.java b/src/main/java/com/keuin/kbackupfabric/operation/backup/method/ConfiguredIncrementalBackupMethod.java
new file mode 100644
index 0000000..0201d18
--- /dev/null
+++ b/src/main/java/com/keuin/kbackupfabric/operation/backup/method/ConfiguredIncrementalBackupMethod.java
@@ -0,0 +1,52 @@
+package com.keuin.kbackupfabric.operation.backup.method;
+
+import com.keuin.kbackupfabric.operation.backup.feedback.IncrementalBackupFeedback;
+import com.keuin.kbackupfabric.util.backup.incremental.ObjectCollection;
+import com.keuin.kbackupfabric.util.backup.incremental.ObjectCollectionFactory;
+import com.keuin.kbackupfabric.util.backup.incremental.ObjectCollectionSerializer;
+import com.keuin.kbackupfabric.util.backup.incremental.identifier.Sha256Identifier;
+import com.keuin.kbackupfabric.util.backup.incremental.manager.IncrementalBackupStorageManager;
+import com.keuin.kbackupfabric.util.backup.name.IncrementalBackupFileNameEncoder;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Paths;
+import java.time.LocalDateTime;
+
+public class ConfiguredIncrementalBackupMethod implements ConfiguredBackupMethod {
+
+    private final String backupFileName;
+    private final String levelPath;
+    private final String backupSavePath;
+
+    public ConfiguredIncrementalBackupMethod(String backupFileName, String levelPath, String backupSavePath) {
+        this.backupFileName = backupFileName;
+        this.levelPath = levelPath;
+        this.backupSavePath = backupSavePath;
+    }
+
+    @Override
+    public IncrementalBackupFeedback backup() throws IOException {
+        String customBackupName = new IncrementalBackupFileNameEncoder().decode(backupFileName).customName;
+        String backupIndexFileName = new IncrementalBackupFileNameEncoder().encode(customBackupName, LocalDateTime.now());
+        File levelPathFile = new File(levelPath);
+
+        // construct incremental backup index
+        ObjectCollection collection = new ObjectCollectionFactory<>(Sha256Identifier.getFactory())
+                .fromDirectory(levelPathFile);
+
+        // update storage
+        IncrementalBackupStorageManager storageManager = new IncrementalBackupStorageManager(Paths.get(backupSavePath));
+        int filesAdded = storageManager.addObjectCollection(collection, levelPathFile);
+
+        // save index file
+        ObjectCollectionSerializer.toFile(collection, new File(backupSavePath, backupIndexFileName));
+
+        return new IncrementalBackupFeedback(filesAdded >= 0, filesAdded);
+    }
+
+    @Override
+    public boolean restore() throws IOException {
+        return false;
+    }
+}