From 9b6e4ce212e77e428a065509f53c5691f42ca469 Mon Sep 17 00:00:00 2001
From: Andrew Kane <andrew@ankane.org>
Date: Thu, 11 Jul 2024 18:25:48 -0700
Subject: [PATCH] Fixed per_page method when paginating beyond
 max_result_window - fixes #1687

---
 CHANGELOG.md            | 1 +
 lib/searchkick/query.rb | 3 ++-
 test/pagination_test.rb | 5 ++++-
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 76bf0ee2..8508de0c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 - Added experimental support for `_raw` to `where` option
 - Added warning for `exists` with non-`true` values
 - Added warning for full reindex and `:queue` mode
+- Fixed `per_page` method when paginating beyond `max_result_window`
 - Dropped support for Ruby < 3.1
 
 ## 5.3.1 (2023-11-28)
diff --git a/lib/searchkick/query.rb b/lib/searchkick/query.rb
index 91d6fe46..bef8be1b 100644
--- a/lib/searchkick/query.rb
+++ b/lib/searchkick/query.rb
@@ -259,6 +259,7 @@ def prepare
       scroll = options[:scroll]
 
       max_result_window = searchkick_options[:max_result_window]
+      original_per_page = per_page
       if max_result_window
         offset = max_result_window if offset > max_result_window
         per_page = max_result_window - offset if offset + per_page > max_result_window
@@ -558,7 +559,7 @@ def prepare
 
       @body = payload
       @page = page
-      @per_page = per_page
+      @per_page = original_per_page
       @padding = padding
       @load = load
       @scroll = scroll
diff --git a/test/pagination_test.rb b/test/pagination_test.rb
index f44fc857..a0174350 100644
--- a/test/pagination_test.rb
+++ b/test/pagination_test.rb
@@ -154,7 +154,10 @@ def test_no_deep_paging
 
   def test_max_result_window
     with_options({max_result_window: 10000}, Song) do
-      assert_empty Song.search("*", offset: 10000, limit: 1).to_a
+      relation = Song.search("*", offset: 10000, limit: 1)
+      assert_empty relation.to_a
+      assert_equal 1, relation.per_page
+      assert_equal 0, relation.total_pages
     end
   end