From 454eee3d19235c3c331ff26d8f10a35f8b4a6c12 Mon Sep 17 00:00:00 2001
From: tombogle <tom_bogle@sil.org>
Date: Mon, 18 Sep 2023 16:14:27 -0400
Subject: [PATCH] #401: Prevented start and end chapters from being out of
 order

---
 .../run-basic-checks-dialog/book-selection.component.tsx  | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/renderer/components/run-basic-checks-dialog/book-selection.component.tsx b/src/renderer/components/run-basic-checks-dialog/book-selection.component.tsx
index 29c37c050d..96ee3c9ce3 100644
--- a/src/renderer/components/run-basic-checks-dialog/book-selection.component.tsx
+++ b/src/renderer/components/run-basic-checks-dialog/book-selection.component.tsx
@@ -40,11 +40,15 @@ export default function BookSelection() {
   const [endChapter, setEndChapter] = useState(chapterCount);
 
   const onSelectChangeStartChapter = (_event: SyntheticEvent<Element, Event>, value: unknown) => {
-    setStartChapter((value as ChapterNumberOption).chapterNum);
+    const newStartChapterNum = (value as ChapterNumberOption).chapterNum;
+    setStartChapter(newStartChapterNum);
+    if (newStartChapterNum > endChapter) setEndChapter(newStartChapterNum);
   };
 
   const onSelectChangeEndChapter = (_event: SyntheticEvent<Element, Event>, value: unknown) => {
-    setEndChapter((value as ChapterNumberOption).chapterNum);
+    const newEndChapterNum = (value as ChapterNumberOption).chapterNum;
+    setEndChapter(newEndChapterNum);
+    if (newEndChapterNum < startChapter) setStartChapter(newEndChapterNum);
   };
 
   return (