refactor: unify book cache clearing for epub, txt, and xtc files (#1875)

src/network/WebDAVHandler.cpp

@@ -1,11 +1,12 @@
 #include "WebDAVHandler.h"
 
-#include <Epub.h>
 #include <FsHelpers.h>
 #include <HalStorage.h>
 #include <Logging.h>
 #include <esp_task_wdt.h>
 
+#include "util/BookCacheUtils.h"
+
 namespace {
 constexpr const char* HIDDEN_ITEMS[] = {"System Volume Information", "XTCache"};
 
@@ -384,7 +385,7 @@ void WebDAVHandler::handlePut(WebServer& s) {
     return;
   }
 
-  clearEpubCacheIfNeeded(path);
+  clearBookCache(path.c_str());
   s.send(_putExisted ? 204 : 201);
   LOG_DBG("DAV", "PUT complete: %s", path.c_str());
 }
@@ -433,7 +434,7 @@ void WebDAVHandler::handleDelete(WebServer& s) {
     }
   } else {
     file.close();
-    clearEpubCacheIfNeeded(path);
+    clearBookCache(path.c_str());
     if (Storage.remove(path.c_str())) {
       s.send(204);
     } else {
@@ -542,7 +543,7 @@ void WebDAVHandler::handleMove(WebServer& s) {
     return;
   }
 
-  clearEpubCacheIfNeeded(srcPath);
+  clearBookCache(srcPath.c_str());
   bool success = file.rename(dstPath.c_str());
   file.close();
 
@@ -797,13 +798,6 @@ bool WebDAVHandler::getOverwrite(WebServer& s) const {
   return true;  // Default is T
 }
 
-void WebDAVHandler::clearEpubCacheIfNeeded(const String& path) const {
-  if (FsHelpers::hasEpubExtension(path)) {
-    Epub(path.c_str(), "/.crosspoint").clearCache();
-    LOG_DBG("DAV", "Cleared epub cache for: %s", path.c_str());
-  }
-}
-
 String WebDAVHandler::getMimeType(const String& path) const {
   if (FsHelpers::hasEpubExtension(path)) return "application/epub+zip";
   if (FsHelpers::checkFileExtension(path, ".pdf")) return "application/pdf";