Resolve "Status page throws internal server error if backup directory not found"

Closes #623 (closed)

aleksis/core/health_checks.py

@@ -33,7 +33,13 @@ class BaseBackupHealthCheck(BaseHealthCheckBackend):
 
     def check_status(self):
         storage = get_storage()
-        backups = storage.list_backups(content_type=self.content_type)
+
+        try:
+            backups = storage.list_backups(content_type=self.content_type)
+        except Exception as ex:
+            self.add_error(_("Error accessing backup storage: {}").format(str(ex)))
+            return
+
         if backups:
             last_backup = backups[:1]
             last_backup_time = dbbackup_utils.filename_to_date(last_backup[0])
@@ -41,7 +47,7 @@ class BaseBackupHealthCheck(BaseHealthCheckBackend):
 
             # Check if backup is older than configured time
             if time_gone_since_backup.seconds > self.configured_seconds:
-                self.add_error(_(f"Last backup {time_gone_since_backup}!"))
+                self.add_error(_("Last backup {}!").format(time_gone_since_backup))
         else:
             self.add_error(_("No backup found!"))
 
@@ -72,4 +78,4 @@ class BackupJobHealthCheck(BaseHealthCheckBackend):
         if not task:
             self.add_error(_("No backup result found!"))
         elif task and task.status != "SUCCESS":
-            self.add_error(_(f"{task.status} - {task.result}"))
+            self.add_error(f"{task.status} - {task.result}")