feat: check if source and destination dirs are valid at start of run

app/app_controller.py

@@ -1,4 +1,3 @@
-from app.directory_manager import DirectoryManager
 from app.file_factory import FileFactory
 from app.file_gateway import FileGateway
 from app.scanner import Scanner
@@ -10,7 +9,6 @@
 class AppController:
 
     def __init__(self, destination_directory, source_directory):
-        DirectoryManager().check_if_directory_exists(source_directory)
         self.source_directory = source_directory
         self.destination_directory = destination_directory
 

main.py

@@ -2,6 +2,7 @@
 
 from app.app_controller import AppController
 from app.db_initializer import DBInitializer
+from app.directory_manager import DirectoryManager
 from app.extension_scanner import ExtensionScanner
 from app.logger import Logger
 
@@ -21,8 +22,11 @@
     DBInitializer().init_prod_database()
 
     if args.extensions:
+        DirectoryManager().check_if_directory_exists(args.source)
         ExtensionScanner(args.source).display_invalid_extensions()
     elif args.destination:
+        DirectoryManager().check_if_directory_exists(args.source)
+        DirectoryManager().check_if_directory_exists(args.destination)
         Logger().init_log_file(args.destination)
         AppController(destination_directory=args.destination,
                       source_directory=args.source).copy_files_from_source_to_destination()