Added new query options for tags, added pdf preview on documents scanner page

lib/features/scan/view/document_upload_page.dart

@@ -172,6 +172,9 @@ class _DocumentUploadPageState extends State<DocumentUploadPage> {
             ),
             const TagFormField(
               name: DocumentModel.tagsKey,
+              notAssignedSelectable: false,
+              anyAssignedSelectable: false,
+              excludeAllowed: false,
               //Label: "Tags" + " *",
             ),
             Text(
@@ -194,10 +197,9 @@ class _DocumentUploadPageState extends State<DocumentUploadPage> {
         final createdAt = fv[DocumentModel.createdKey] as DateTime?;
         final title = fv[DocumentModel.titleKey] as String;
         final docType = fv[DocumentModel.documentTypeKey] as IdQueryParameter;
-        final tags = fv[DocumentModel.tagsKey] as TagsQuery;
+        final tags = fv[DocumentModel.tagsKey] as IdsTagsQuery;
         final correspondent =
             fv[DocumentModel.correspondentKey] as IdQueryParameter;
-
         await BlocProvider.of<DocumentsCubit>(context).addDocument(
           widget.fileBytes,
           _formKey.currentState?.value[fkFileName],

lib/features/scan/view/scanner_page.dart

@@ -14,6 +14,8 @@ import 'package:paperless_mobile/core/model/error_message.dart';
 import 'package:paperless_mobile/core/service/file_service.dart';
 import 'package:paperless_mobile/di_initializer.dart';
 import 'package:paperless_mobile/features/documents/bloc/documents_cubit.dart';
+import 'package:paperless_mobile/features/documents/repository/document_repository.dart';
+import 'package:paperless_mobile/features/documents/view/pages/document_view.dart';
 import 'package:paperless_mobile/features/home/view/widget/info_drawer.dart';
 import 'package:paperless_mobile/features/scan/bloc/document_scanner_cubit.dart';
 import 'package:paperless_mobile/features/scan/view/document_upload_page.dart';
@@ -53,6 +55,24 @@ class _ScannerPageState extends State<ScannerPage>
     return AppBar(
       title: Text(S.of(context).documentScannerPageTitle),
       actions: [
+        BlocBuilder<DocumentScannerCubit, List<File>>(
+          builder: (context, state) {
+            return IconButton(
+              onPressed: state.isNotEmpty
+                  ? () => Navigator.of(context).push(
+                        MaterialPageRoute(
+                          builder: (context) => DocumentView(
+                            documentBytes:
+                                _buildDocumentFromImageFiles(state).save(),
+                          ),
+                        ),
+                      )
+                  : null,
+              icon: const Icon(Icons.preview),
+              tooltip: S.of(context).documentScannerPageResetButtonTooltipText,
+            );
+          },
+        ),
         BlocBuilder<DocumentScannerCubit, List<File>>(
           builder: (context, state) {
             return IconButton(