refactor(backups): repo init service method

selfprivacy_api/backup/__init__.py

@@ -46,6 +46,10 @@ class Backups(metaclass=SingletonMetaclass):
         self.provider.backuper.start_backup(folder, repo_name)
         service.post_restore()
 
+    def init_repo(self, service: Service):
+        repo_name = service.get_id()
+        self.provider.backuper.init(repo_name)
+
     def get_snapshots(self, service: Service) -> List[Snapshot]:
         repo_name = service.get_id()
 

selfprivacy_api/backup/backuper.py

@@ -16,3 +16,7 @@ class AbstractBackuper(ABC):
     def get_snapshots(self, repo_name) -> List[Snapshot]:
         """Get all snapshots from the repo"""
         raise NotImplementedError
+
+    @abstractmethod
+    def init(self, repo_name):
+        raise NotImplementedError