some minor fixes

Change-Id: I58730de0d8577518a4f434ae51eeb8bc0402a691
Signed-off-by: tierno <alfonso.tiernosepulveda@telefonica.com>
diff --git a/osm_nbi/engine.py b/osm_nbi/engine.py
index c13240d..b5989c0 100644
--- a/osm_nbi/engine.py
+++ b/osm_nbi/engine.py
@@ -949,10 +949,8 @@
             self.db.del_list("vnfrs", {"nsr-id-ref": _id})
             self.msg.write("ns", "deleted", {"_id": _id})
             return v
-        if item in ("vim_accounts", "sdns"):
-            desc = self.db.get_one(item, filter)
-            desc["_admin"]["to_delete"] = True
-            self.db.replace(item, _id, desc)   # TODO change to set_one
+        if item in ("vim_accounts", "sdns") and not force:
+            self.db.set_one(item, {"_id": _id}, {"_admin.to_delete": True})   # TODO change status
             if item == "vim_accounts":
                 self.msg.write("vim_account", "delete", {"_id": _id})
             elif item == "sdns":
@@ -960,7 +958,10 @@
             return {"deleted": 1}  # TODO indicate an offline operation to return 202 ACCEPTED
 
         v = self.db.del_one(item, filter)
-        self.fs.file_delete(_id, ignore_non_exist=True)
+        if item in ("vnfds", "nsds"):
+            self.fs.file_delete(_id, ignore_non_exist=True)
+        if item in ("vim_accounts", "sdns", "vnfds", "nsds"):
+            self.msg.write(item[:-1], "deleted", {"_id": _id})
         return v
 
     def prune(self):