From 1e635a4e631346434f7ea7aaa82525baebf2f63b Mon Sep 17 00:00:00 2001
From: Correl <correl@gmail.com>
Date: Wed, 27 Jul 2022 22:14:00 -0400
Subject: [PATCH] Fix color less than or equal to

---
 tutor/database.py | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/tutor/database.py b/tutor/database.py
index 7e09df8..c9281f5 100644
--- a/tutor/database.py
+++ b/tutor/database.py
@@ -1,5 +1,6 @@
 import datetime
 import decimal
+import itertools
 import logging
 import typing
 import uuid
@@ -123,7 +124,14 @@ async def advanced_search(
                 constraints.append(f"cards.color_identity ILIKE %({param})s")
                 params[param] = tutor.models.Color.to_string(criterion.colors)
             if criterion.operator == tutor.search.Operator.lte:
-                colors = list({str(color) for color in criterion.colors} | {""})
+                colors = list(
+                    {
+                        tutor.models.Color.to_string(list(combo))
+                        for n in range(len(criterion.colors))
+                        for combo in itertools.combinations(criterion.colors, n + 1)
+                    }
+                    | {""}
+                )
                 constraints.append(
                     "({})".format(
                         " OR ".join(