Add command to remove backup plan's destinations.

tui_rsync/core/components/backup_plan/application/commands/__init__.py

@@ -1,3 +1,4 @@
 from .remove_all_backup_plans_command import RemoveAllBackupBackupPlansCommand
+from .remove_backup_plan_destinations_command import RemoveBackupBackupPlanDestinationsCommand
 
-__all__ = ['RemoveAllBackupBackupPlansCommand']
+__all__ = ['RemoveAllBackupBackupPlansCommand', 'RemoveBackupBackupPlanDestinationsCommand']

tui_rsync/core/components/backup_plan/application/commands/remove_backup_plan_destinations_command.py

@@ -0,0 +1,12 @@
+from tui_rsync.core.ports.orm import DatabaseManagerPort
+from tui_rsync.core.shared_kernel.components.common import UUID
+from tui_rsync.infrastructure.orm.models import DestinationModel
+
+
+class RemoveBackupBackupPlanDestinationsCommand:
+    def __init__(self, database_manager: DatabaseManagerPort):
+        self.databaseManager = database_manager
+
+    def execute(self, backup_plan_uuid: UUID) -> bool:
+        rows = DestinationModel.delete().where(DestinationModel.source == backup_plan_uuid.id).execute()
+        return rows != 0