From 4e117fe84f32567334c6f98e0a3ae871109efa79 Mon Sep 17 00:00:00 2001
From: WorldTeacher <41587052+WorldTeacher@users.noreply.github.com>
Date: Wed, 11 Sep 2024 15:58:17 +0200
Subject: [PATCH] filehandler

---
 filehandle.py | 103 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 filehandle.py

diff --git a/filehandle.py b/filehandle.py
new file mode 100644
index 0000000..43c8bdb
--- /dev/null
+++ b/filehandle.py
@@ -0,0 +1,103 @@
+import os
+import shutil
+from pathlib import Path
+ORIGIN = "C:/testing/source_2"
+BACKUP = "C:/Databasebackup"
+FILE = "database.db"
+def handle_file():
+    """
+    Handles file creation, movement, and backup based on path and backup existence.
+
+    Args:
+        path (str): The desired path for the file.
+        filename (str): The name of the file.
+        backup_location (str): The location for backups.
+
+    Returns:
+        str: The final path of the file.
+    """
+    full = Path(ORIGIN) / FILE
+    full_path = str(full)
+    backup = Path(BACKUP) / FILE
+    backup_path = str(backup)
+    origin_reachable = os.path.exists(full_path)
+    backup_reachable = os.path.exists(backup_path)
+    print(origin_reachable, backup_reachable)
+    if not origin_reachable and not backup_reachable:
+        make_dirs(ORIGIN, BACKUP)
+        
+    # if not os.path.exists(full_path):
+    #     print("File does not exist, creating file")
+    #     create_file(full_path)
+    if os.path.exists(backup_path) and ".backup" in os.listdir(BACKUP):
+        print("Used backup previously, overwriting file")
+        #overwrite file at source with backup
+        shutil.copy(backup_path, full_path)
+        os.remove(BACKUP + "/.backup")
+    
+        
+def make_dirs(full_path, backup_path):
+    """
+    Creates directories if they do not exist and moves the file to the desired location.
+
+    Args:
+        full_path (str): The full path of the file.
+        backup_path (str): The backup path of the file.
+    """
+    if not os.path.exists(full_path):
+        os.makedirs(full_path)
+    if not os.path.exists(backup_path):
+        os.makedirs(backup_path)
+        
+def create_file(full_path):
+    """
+    Creates a file at the desired location.
+
+    Args:
+        full_path (str): The full path of the file.
+    """
+    with open(full_path, "w") as f:
+        f.write("")
+        
+def handle_folder_reachability(original_path, backup_path):
+    """
+    Checks if the original folder is reachable. If not, creates a backup.
+    If the original folder becomes reachable again, restores the backup.
+
+    Args:
+        original_path (str): Path to the original folder.
+        backup_path (str): Path to the backup folder.
+
+    Returns:
+        str: Path to the current accessible folder.
+    """
+
+    backup_file = os.path.join(backup_path, ".backup")
+    try:
+        os.makedirs(original_path)
+    except FileExistsError:
+        pass
+
+    if not os.path.exists(original_path):
+        #original folder not reachable, use backup path and create .backup file
+        if not os.path.exists(backup_path):
+            os.makedirs(backup_path)
+        with open(backup_file, "w") as f:
+            f.write("")
+        
+        # Create an empty backup file as a marker
+        return backup_path +"/" + FILE 
+
+    else:
+        # Original folder is reachable, check for backup
+        if os.path.exists(backup_file):
+            # Restore backup
+            shutil.rmtree(original_path)  # Remove original folder to avoid conflicts
+            shutil.move(backup_path, original_path)
+            #os.remove(backup_file)
+            #remove backup file from original path
+            os.remove(original_path + "/.backup")
+            os.makedirs(backup_path)
+        return original_path +"/" + FILE
+if __name__=="__main__":
+    print(handle_folder_reachability(ORIGIN, BACKUP)) # should create a new file at C:/newdatabase/database.db)
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