fix 'multiples' detection so it recognizes date ranges as well

Author: melange396

src/server/_limiter.py

@@ -9,6 +9,7 @@
 from ._exceptions import ValidationFailedException
 from ._params import extract_dates, extract_integers, extract_strings
 from ._security import _is_public_route, current_user, require_api_key, show_no_api_key_warning, resolve_auth_token, ERROR_MSG_RATE_LIMIT, ERROR_MSG_MULTIPLES
+from .utils import TimeValues
 
 
 def deduct_on_success(response: Response) -> bool:
@@ -58,6 +59,9 @@ def get_multiples_count(request):
             vals = multiples.get(k)(k)
             if len(vals) >= 2:
                 multiple_selection_allowed -= 1
+            elif len(vals) and isinstance(vals, TimeValues) and isinstance(vals[0], tuple):
+                # else we have one TimeValue which is a tuple, representing a range, and thus is a "multiple"
+                multiple_selection_allowed -= 1
         except ValidationFailedException:
             continue
         except TypeError: