chore: remove in-app reader

lib/main.dart

@@ -18,7 +18,6 @@ import 'package:openlib/state/state.dart'
         selectedIndexProvider,
         themeModeProvider,
         openPdfWithExternalAppProvider,
-        openEpubWithExternalAppProvider,
         userAgentProvider,
         cookieProvider,
         dbProvider;
@@ -58,8 +57,6 @@ void main() async {
             (ref) => isDarkMode ? ThemeMode.dark : ThemeMode.light),
         openPdfWithExternalAppProvider
             .overrideWith((ref) => openPdfwithExternalapp),
-        openEpubWithExternalAppProvider
-            .overrideWith((ref) => openEpubwithExternalapp),
         userAgentProvider.overrideWith((ref) => browserUserAgent),
         cookieProvider.overrideWith((ref) => browserCookie),
       ],

lib/state/state.dart

@@ -188,7 +188,6 @@ final getBookPosition =
 });
 
 final openPdfWithExternalAppProvider = StateProvider<bool>((ref) => false);
-final openEpubWithExternalAppProvider = StateProvider<bool>((ref) => false);
 
 final filePathProvider =
     FutureProvider.family<String, String>((ref, fileName) async {

lib/ui/epub_viewer.dart

@@ -3,18 +3,12 @@ import 'dart:convert';
 import 'package:flutter/material.dart';
 import 'package:epub_view/epub_view.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
-import 'package:vocsy_epub_viewer/epub_viewer.dart';
 import 'package:open_file/open_file.dart';
 
 import 'package:openlib/services/files.dart' show getFilePath;
 import 'package:openlib/ui/components/snack_bar_widget.dart';
 import 'package:openlib/state/state.dart'
-    show
-        filePathProvider,
-        saveEpubState,
-        dbProvider,
-        getBookPosition,
-        openEpubWithExternalAppProvider;
+    show filePathProvider, saveEpubState, dbProvider, getBookPosition;
 
 Future<void> launchEpubViewer(
     {required String fileName,
@@ -23,37 +17,7 @@ Future<void> launchEpubViewer(
   if (Platform.isAndroid || Platform.isIOS) {
     String path = await getFilePath(fileName);
     String? epubConfig = await ref.read(dbProvider).getBookState(fileName);
-    bool openWithExternalApp = ref.watch(openEpubWithExternalAppProvider);
-
-    if (openWithExternalApp) {
     await OpenFile.open(path);
-    } else {
-      try {
-        VocsyEpub.setConfig(
-          // ignore: use_build_context_synchronously
-          themeColor: const Color.fromARGB(255, 210, 15, 1),
-          identifier: "iosBook",
-          scrollDirection: EpubScrollDirection.HORIZONTAL,
-        );
-
-        if ((epubConfig?.isNotEmpty ?? true) &&
-            (epubConfig != null) &&
-            (!(epubConfig.startsWith('epubcfi')))) {
-          VocsyEpub.open(path,
-              lastLocation: EpubLocator.fromJson(json.decode(epubConfig)));
-        } else {
-          VocsyEpub.open(path);
-        }
-
-        VocsyEpub.locatorStream.listen((locator) async {
-          await saveEpubState(fileName, locator, ref);
-          // convert locator from string to json and save to your database to be retrieved later
-        });
-      } catch (e) {
-        // ignore: use_build_context_synchronously
-        showSnackBar(context: context, message: 'Unable to open pdf!');
-      }
-    }
   } else {
     Navigator.push(context, MaterialPageRoute(builder: (BuildContext context) {
       return EpubViewerWidget(

lib/ui/settings_page.dart

@@ -6,11 +6,7 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:openlib/ui/components/page_title_widget.dart';
 import 'package:openlib/ui/about_page.dart';
 import 'package:openlib/state/state.dart'
-    show
-        themeModeProvider,
-        openPdfWithExternalAppProvider,
-        openEpubWithExternalAppProvider,
-        dbProvider;
+    show themeModeProvider, openPdfWithExternalAppProvider, dbProvider;
 
 class SettingsPage extends ConsumerWidget {
   const SettingsPage({super.key});
@@ -78,32 +74,6 @@ class SettingsPage extends ConsumerWidget {
                 )
               ],
             ),
-            _PaddedContainer(
-              children: [
-                Text(
-                  "Open Epub with External Reader",
-                  style: TextStyle(
-                    fontSize: 15,
-                    fontWeight: FontWeight.bold,
-                    color: Theme.of(context).colorScheme.tertiary,
-                  ),
-                ),
-                Switch(
-                  // This bool value toggles the switch.
-                  value: ref.watch(
-                    openEpubWithExternalAppProvider,
-                  ),
-                  activeColor: Colors.red,
-                  onChanged: (bool value) {
-                    ref.read(openEpubWithExternalAppProvider.notifier).state =
-                        value;
-                    ref
-                        .read(dbProvider)
-                        .savePreference('openEpubwithExternalApp', value);
-                  },
-                )
-              ],
-            ),
             _PaddedContainer(
               onClick: () {
                 Navigator.push(context,