def remove_file(self, session_id, hash):
file = FilesManager.find_file_by_hash_and_sessionid(hash, session_id)
if file:
FilesManager.delete_file(file)
return FilesManager.count_files_by_hash(hash)
def add_file(self, session_id, hash, file_name):
user = UsersManager.find_user_by_session_id(session_id)
if user:
FilesManager.create_file(file_name, hash, user)
return FilesManager.count_files_by_hash(hash)
