Updated view logic

src/core/routes/Routes.py

@@ -17,7 +17,10 @@ window_controllers = {}
 
 
 def get_window_controller():
-    if session.get('win_controller_id') is None:
+    controller = None
+    try:
+        controller = window_controllers[ session["win_controller_id"]  ]
+    except Exception as e:
         id         = secrets.token_hex(16)
         controller = WindowController()
         view       = controller.get_window(1).get_view(0)
@@ -28,8 +31,9 @@ def get_window_controller():
 
         session['win_controller_id'] = id
         window_controllers.update( {id: controller } )
+        controller = window_controllers[ session["win_controller_id"]  ]
 
-    return window_controllers[ session["win_controller_id"]  ]
+    return controller
 
 
 @app.route('/', methods=['GET', 'POST'])
@@ -68,6 +72,12 @@ def listFiles(_hash = None):
             path = view.get_path_part_from_hash(_hash)
             view.push_to_path(path)
 
+        error_msg = view.get_error_message()
+        if  error_msg != None:
+            view.unset_error_message()
+            return msgHandler.createMessageJSON("danger", error_msg)
+
+
         sub_path = view.get_current_sub_path()
         files    = view.get_files_formatted()
         fave     = db.session.query(Favorites).filter_by(link = sub_path).first()

src/core/utils/shellfm/windows/View.py

@@ -9,8 +9,8 @@ from os.path import isdir, isfile, join
 
 
 # Application imports
-from . import Path, Settings, Launcher
-
+from .utils import Settings, Launcher
+from . import Path
 
 class View(Settings, Launcher, Path):
     def __init__(self):
@@ -20,6 +20,7 @@ class View(Settings, Launcher, Path):
         self.images    = []
         self.desktop   = []
         self.ungrouped = []
+        self.error_message = None
 
         self.set_to_home()
 
@@ -33,7 +34,7 @@ class View(Settings, Launcher, Path):
         self.files     = []
 
         if not isdir(path):
-            self.set_to_home()
+            self._set_error_message("Path can not be accessed.")
             return ""
 
         for f in listdir(path):
@@ -120,6 +121,15 @@ class View(Settings, Launcher, Path):
             return False
 
 
+    def _set_error_message(self, text):
+        self.error_message = text
+
+    def unset_error_message(self):
+        self.error_message = None
+
+    def get_error_message(self):
+        return self.error_message
+
     def get_current_directory(self):
         return self.get_path()