From 5e0de4d3ebbdbeb7b1dff9c96c3255cceb32674d Mon Sep 17 00:00:00 2001
From: acx10 <acx10@users.noreply.github.com>
Date: Thu, 12 Feb 2026 16:40:34 -0700
Subject: [PATCH] fix(epub): suppress FileNotFoundException for optional EPUB
 files

---
 .../org/booklore/controller/EpubReaderController.java     | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/booklore-api/src/main/java/org/booklore/controller/EpubReaderController.java b/booklore-api/src/main/java/org/booklore/controller/EpubReaderController.java
index f9216879a..5585449df 100644
--- a/booklore-api/src/main/java/org/booklore/controller/EpubReaderController.java
+++ b/booklore-api/src/main/java/org/booklore/controller/EpubReaderController.java
@@ -14,6 +14,7 @@ import org.springframework.web.bind.annotation.*;
 
 import org.springframework.web.servlet.HandlerMapping;
 
+import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.net.URLDecoder;
 import java.nio.charset.StandardCharsets;
@@ -67,6 +68,11 @@ public class EpubReaderController {
 
         response.setHeader("Cache-Control", "public, max-age=3600");
 
-        epubReaderService.streamFile(bookId, bookType, filePath, response.getOutputStream());
+        try {
+            epubReaderService.streamFile(bookId, bookType, filePath, response.getOutputStream());
+        } catch (FileNotFoundException e) {
+            response.reset();
+            response.sendError(HttpServletResponse.SC_NOT_FOUND);
+        }
     }
 }