feat(FastAPI): add aurweb.db.delete_all(iterable)

Signed-off-by: Kevin Morris <kevr@0cost.org>

aurweb/db.py

@@ -2,6 +2,8 @@ import functools
 import math
 import re
 
+from typing import Iterable
+
 from sqlalchemy import event
 from sqlalchemy.orm import scoped_session
 
@@ -71,6 +73,12 @@ def delete(model, *args, **kwargs):
         session.delete(record)
 
 
+def delete_all(iterable: Iterable):
+    with begin():
+        for obj in iterable:
+            session.delete(obj)
+
+
 def rollback():
     session.rollback()