feat(BackupManager): implement simple backup manager

Signed-off-by: Dominik Willner <th33xitus@gmail.com>

kiauh/core/backup_manager/backup_manager.py

@@ -0,0 +1,69 @@
+#!/usr/bin/env python
+
+# ======================================================================= #
+#  Copyright (C) 2020 - 2023 Dominik Willner <th33xitus@gmail.com>        #
+#                                                                         #
+#  This file is part of KIAUH - Klipper Installation And Update Helper    #
+#  https://github.com/dw-0/kiauh                                          #
+#                                                                         #
+#  This file may be distributed under the terms of the GNU GPLv3 license  #
+# ======================================================================= #
+
+import shutil
+from pathlib import Path
+
+from kiauh.utils.common import get_current_date
+from kiauh.utils.constants import KIAUH_BACKUP_DIR
+from kiauh.utils.logger import Logger
+
+
+# noinspection PyMethodMayBeStatic
+class BackupManager:
+    def __init__(
+        self, backup_name: str, source: Path, backup_dir: Path = KIAUH_BACKUP_DIR
+    ):
+        self._backup_name = backup_name
+        self._source = source
+        self._backup_dir = backup_dir
+
+    @property
+    def backup_name(self) -> str:
+        return self._backup_name
+
+    @backup_name.setter
+    def backup_name(self, value: str):
+        self._backup_name = value
+
+    @property
+    def source(self) -> Path:
+        return self._source
+
+    @source.setter
+    def source(self, value: Path):
+        self._source = value
+
+    @property
+    def backup_dir(self) -> Path:
+        return self._backup_dir
+
+    @backup_dir.setter
+    def backup_dir(self, value: Path):
+        self._backup_dir = value
+
+    def backup(self) -> None:
+        if self._source is None or not Path(self._source).exists():
+            raise OSError
+
+        try:
+            log = f"Creating backup of {self.backup_name} in {self.backup_dir} ..."
+            Logger.print_info(log)
+            date = get_current_date()
+            dest = Path(
+                f"{self.backup_dir}/{self.backup_name}/{date.get('date')}-{date.get('time')}"
+            )
+            shutil.copytree(src=self.source, dst=dest)
+        except OSError as e:
+            Logger.print_error(f"Unable to backup source directory. Not exist.\n{e}")
+            return
+
+        Logger.print_ok("Backup successfull!")