Implement feedback for filepicker optimalisations

backend/utilities.py

@@ -181,30 +181,30 @@ class Utilities:
         await service_stop(helpers.REMOTE_DEBUGGER_UNIT)
         return True
 
-    async def filepicker_ls(self, path, include_files=True):
+    async def filepicker_ls(self, path, include_files : bool = True, max : int = 1000, page : int = 1):
         # def sorter(file): # Modification time
         #     if os.path.isdir(os.path.join(path, file)) or os.path.isfile(os.path.join(path, file)):
         #         return os.path.getmtime(os.path.join(path, file))
         #     return 0
         # file_names = sorted(os.listdir(path), key=sorter, reverse=True) # TODO provide more sort options
-        file_names = sorted(os.listdir(path)) # Alphabetical
 
-        files = []
+        realpath = os.path.realpath(path)
+        files, folders = [], []
 
-        for file in file_names:
-            full_path = os.path.join(path, file)
-            is_dir = os.path.isdir(full_path)
+        for x in os.scandir(realpath):
+            if x.is_dir():
+                folders.append(x)
+            elif include_files:
+                files.append(x)
 
-            if is_dir or include_files:
-                files.append({
-                    "isdir": is_dir,
-                    "name": file,
-                    "realpath": os.path.realpath(full_path)
-                })
+        files = sorted(files, key=lambda x: x.name)
+        folders = sorted(folders, key=lambda x: x.name)
+        all = [{ "isdir": x.is_dir(), "name": x.name, "realpath": x.path } for x in folders + files]
 
         return {
-            "realpath": os.path.realpath(path),
-            "files": files
+            "realpath": realpath,
+            "files": all[(page-1)*max:(page)*max],
+            "total": len(all)
         }
 
     # Based on https://stackoverflow.com/a/46422554/13174603