Bug fixes, clean up, stuff

app/methods/hosted_file_methods.py

@@ -144,7 +144,39 @@ def allowed_file_extension(extension: str, extension_list: list):
 # ### END ### API Hosted File Methods ### allowed_file_extension() ###
 
 
+# ### BEGIN ### API Hosted File Methods ### lookup_file_hash() ###
+# Updated 2023-09-19
+@logger_reset
+def check_for_hosted_file_hash_file(
+        file_hash: str,
+        sub_dir: str,
+        ) -> dict|bool:
+    log.setLevel(logging.DEBUG) # DEBUG, INFO, WARNING, ERROR, EXCEPTION, CRITICAL
+    log.debug(locals())
 
+    file_size = None
+
+    hosted_files_path = settings.FILES_PATH['hosted_files_root']
+    log.info(f'Hosted Files Path: {hosted_files_path}')
+    log.debug(shutil.disk_usage(hosted_files_path))
+
+    hosted_files_dir_w_subdir = os.path.join(hosted_files_path, sub_dir)
+    path_hosted_files_dir_w_subdir = pathlib.Path(hosted_files_dir_w_subdir)
+
+    if path_hosted_files_dir_w_subdir.exists(): pass
+    else:
+        log.warning('Hashed hosted file subdirectory was not found in the hosted files root.')
+        return False
+
+    hosted_files_dir_w_subdir_filename = os.path.join(hosted_files_path, sub_dir, f'{file_hash}.file')
+    path_hosted_files_dir_w_subdir_filename = pathlib.Path(hosted_files_dir_w_subdir_filename)
+    if path_hosted_files_dir_w_subdir_filename.exists():
+        file_size = os.path.getsize(path_hosted_files_dir_w_subdir_filename)
+    else:
+        log.warning('Hashed hosted file not found in the expected hosted files subdirectory.')
+        return False
+
+    return {'found': True, 'file_size': file_size}
 
 
 # ### BEGIN ### API Hosted File Methods ### save_file() ###