feat: Add setting to always upload scans as pdf

lib/features/settings/view/widgets/clear_storage_settings.dart

@@ -1,70 +1,60 @@
 import 'dart:io';
 
 import 'package:flutter/material.dart';
-import 'package:flutter_cache_manager/flutter_cache_manager.dart' as cm;
 import 'package:paperless_mobile/core/service/file_service.dart';
+import 'package:paperless_mobile/generated/l10n/app_localizations.dart';
 import 'package:paperless_mobile/helpers/format_helpers.dart';
 import 'package:paperless_mobile/helpers/message_helpers.dart';
-import 'package:provider/provider.dart';
 
-class ClearCacheSetting extends StatelessWidget {
+class ClearCacheSetting extends StatefulWidget {
   const ClearCacheSetting({super.key});
 
+  @override
+  State<ClearCacheSetting> createState() => _ClearCacheSettingState();
+}
+
+class _ClearCacheSettingState extends State<ClearCacheSetting> {
   @override
   Widget build(BuildContext context) {
     return ListTile(
-      title: const Text("Clear downloaded files"), //TODO: INTL
-      subtitle: const Text(
-          "Deletes all files downloaded from this app."), //TODO: INTL
+      title: Text(S.of(context)!.clearCache),
+      subtitle: FutureBuilder<String>(
+        future: FileService.temporaryDirectory.then(_dirSize),
+        builder: (context, snapshot) {
+          if (!snapshot.hasData) {
+            return Text(S.of(context)!.calculatingDots);
+          }
+          return Text(S.of(context)!.freeBytes(snapshot.data!));
+        },
+      ),
       onTap: () async {
-        final dir = await FileService.downloadsDirectory;
-        final deletedSize = _dirSize(dir);
+        final dir = await FileService.temporaryDirectory;
+        final deletedSize = await _dirSize(dir);
         await dir.delete(recursive: true);
-        // await context.read<cm.CacheManager>().emptyCache();
         showSnackBar(
           context,
-          "Downloads successfully cleared, removed $deletedSize.",
+          S.of(context)!.freedDiskSpace(deletedSize),
         );
       },
     );
   }
 }
 
-class ClearDownloadsSetting extends StatelessWidget {
-  const ClearDownloadsSetting({super.key});
-
-  @override
-  Widget build(BuildContext context) {
-    return ListTile(
-      title: const Text("Clear downloads"), //TODO: INTL
-      subtitle: const Text(
-          "Remove downloaded files, scans and clear the cache's content"), //TODO: INTL
-      onTap: () {
-        FileService.documentsDirectory;
-        FileService.downloadsDirectory;
-        context.read<cm.CacheManager>().emptyCache();
-        FileService.clearUserData();
-        //TODO: Show notification about clearing (include size?)
-      },
-    );
-  }
-}
-
-String _dirSize(Directory dir) {
+Future<String> _dirSize(Directory dir) async {
   int totalSize = 0;
   try {
-    if (dir.existsSync()) {
+    if (await dir.exists()) {
       dir
           .listSync(recursive: true, followLinks: false)
-          .forEach((FileSystemEntity entity) {
+          .forEach((FileSystemEntity entity) async {
         if (entity is File) {
-          totalSize += entity.lengthSync();
+          totalSize += (await entity.length());
         }
       });
     }
-  } catch (e) {
-    print(e.toString());
+  } catch (error) {
+    debugPrint(error.toString());
   }
 
-  return formatBytes(totalSize, 2);
+  return formatBytes(totalSize, 0);
 }

lib/features/settings/view/widgets/enforce_pdf_upload_setting.dart

@@ -0,0 +1,22 @@
+import 'package:flutter/material.dart';
+import 'package:paperless_mobile/features/settings/view/widgets/global_settings_builder.dart';
+import 'package:paperless_mobile/generated/l10n/app_localizations.dart';
+
+class EnforcePdfUploadSetting extends StatelessWidget {
+  const EnforcePdfUploadSetting({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return GlobalSettingsBuilder(builder: (context, settings) {
+      return SwitchListTile(
+        title: Text(S.of(context)!.uploadScansAsPdf),
+        subtitle: Text(S.of(context)!.convertSinglePageScanToPdf),
+        value: settings.enforceSinglePagePdfUpload,
+        onChanged: (value) {
+          settings.enforceSinglePagePdfUpload = value;
+          settings.save();
+        },
+      );
+    });
+  }
+}

lib/features/settings/view/widgets/theme_mode_setting.dart

@@ -11,7 +11,7 @@ class ThemeModeSetting extends StatelessWidget {
     return GlobalSettingsBuilder(
       builder: (context, settings) {
         return ListTile(
-          title: Text(S.of(context)!.appearance),
+          title: Text(S.of(context)!.theme),
           subtitle: Text(_mapThemeModeToLocalizedString(
               settings.preferredThemeMode, context)),
           onTap: () => showDialog<ThemeMode>(