Fix export (#5782)

frontend/src/core/components/shared/RightRail.tsx

@@ -4,6 +4,7 @@ import '@app/components/shared/rightRail/RightRail.css';
 import { useToolWorkflow } from '@app/contexts/ToolWorkflowContext';
 import { useRightRail } from '@app/contexts/RightRailContext';
 import { useFileState, useFileSelection, useFileActions } from '@app/contexts/FileContext';
+import { isStirlingFile } from '@app/types/fileContext';
 import { useNavigationState } from '@app/contexts/NavigationContext';
 import { useTranslation } from 'react-i18next';
 import { useFileActionTerminology } from '@app/hooks/useFileActionTerminology';
@@ -13,7 +14,6 @@ import LanguageSelector from '@app/components/shared/LanguageSelector';
 import { useRainbowThemeContext } from '@app/components/shared/RainbowThemeProvider';
 import { Tooltip } from '@app/components/shared/Tooltip';
 import { ViewerContext } from '@app/contexts/ViewerContext';
-import { useSignature } from '@app/contexts/SignatureContext';
 import LocalIcon from '@app/components/shared/LocalIcon';
 import { RightRailFooterExtensions } from '@app/components/rightRail/RightRailFooterExtensions';
 import DarkModeIcon from '@mui/icons-material/DarkMode';
@@ -61,12 +61,9 @@ export default function RightRail() {
   const { selectors } = useFileState();
   const { selectedFiles, selectedFileIds } = useFileSelection();
   const { actions: fileActions } = useFileActions();
-  const { signaturesApplied } = useSignature();
-
   const activeFiles = selectors.getFiles();
   const pageEditorTotalPages = pageEditorFunctions?.totalPages ?? 0;
   const pageEditorSelectedCount = pageEditorFunctions?.selectedPageIds?.length ?? 0;
-  const exportState = viewerContext?.getExportState?.();
 
   const totalItems = useMemo(() => {
     if (currentView === 'pageEditor') return pageEditorTotalPages;
@@ -139,11 +136,26 @@ export default function RightRail() {
 
   const handleExportAll = useCallback(async () => {
     if (currentView === 'viewer') {
-      if (!signaturesApplied) {
+      const buffer = await viewerContext?.exportActions?.saveAsCopy?.();
-        alert('You have unapplied signatures. Please use "Apply Signatures" first before exporting.');
+      if (!buffer) return;
-        return;
+      const fileToExport = selectedFiles.length > 0 ? selectedFiles[0] : activeFiles[0];
+      if (!fileToExport) return;
+      const stub = isStirlingFile(fileToExport) ? selectors.getStirlingFileStub(fileToExport.fileId) : undefined;
+      try {
+        const result = await downloadFile({
+          data: new Blob([buffer], { type: 'application/pdf' }),
+          filename: fileToExport.name,
+          localPath: stub?.localFilePath,
+        });
+        if (!result.cancelled && stub && result.savedPath) {
+          fileActions.updateStirlingFileStub(stub.id, {
+            localFilePath: stub.localFilePath ?? result.savedPath,
+            isDirty: false,
+          });
+        }
+      } catch (error) {
+        console.error('[RightRail] Failed to export viewer file:', error);
       }
-      viewerContext?.exportActions?.download?.();
       return;
     }
 
@@ -153,30 +165,25 @@ export default function RightRail() {
     }
 
     const filesToExport = selectedFiles.length > 0 ? selectedFiles : activeFiles;
-    const stubsToExport = selectedFiles.length > 0
-      ? selectors.getSelectedStirlingFileStubs()
-      : selectors.getStirlingFileStubs();
 
     if (filesToExport.length > 0) {
-      for (let i = 0; i < filesToExport.length; i++) {
+      for (const file of filesToExport) {
-        const file = filesToExport[i];
+        const stub = isStirlingFile(file) ? selectors.getStirlingFileStub(file.fileId) : undefined;
-        const stub = stubsToExport[i];
+        try {
-        console.log('[RightRail] Exporting file:', { fileName: file.name, stubId: stub?.id, localFilePath: stub?.localFilePath, isDirty: stub?.isDirty });
+          const result = await downloadFile({
-        const result = await downloadFile({
+            data: file,
-          data: file,
+            filename: file.name,
-          filename: file.name,
+            localPath: stub?.localFilePath
-          localPath: stub?.localFilePath
-        });
-        console.log('[RightRail] Export complete, checking dirty state:', { localFilePath: stub?.localFilePath, isDirty: stub?.isDirty, savedPath: result.savedPath });
-        // Mark file as clean after successful save to disk
-        if (stub && result.savedPath) {
-          console.log('[RightRail] Marking file as clean:', stub.id);
-          fileActions.updateStirlingFileStub(stub.id, {
-            localFilePath: stub.localFilePath ?? result.savedPath,
-            isDirty: false
           });
-        } else {
+          if (result.cancelled) continue;
-          console.log('[RightRail] Skipping clean mark:', { savedPath: result.savedPath, isDirty: stub?.isDirty });
+          if (stub && result.savedPath) {
+            fileActions.updateStirlingFileStub(stub.id, {
+              localFilePath: stub.localFilePath ?? result.savedPath,
+              isDirty: false
+            });
+          }
+        } catch (error) {
+          console.error('[RightRail] Failed to export file:', file.name, error);
         }
       }
     }
@@ -186,7 +193,6 @@ export default function RightRail() {
     activeFiles,
     pageEditorFunctions,
     viewerContext,
-    signaturesApplied,
     selectors,
     fileActions,
   ]);
@@ -261,7 +267,7 @@ export default function RightRail() {
               onClick={handleExportAll}
               disabled={
                 disableForFullscreen ||
-                (currentView === 'viewer' ? !exportState?.canExport : totalItems === 0 || allButtonsDisabled)
+                (currentView !== 'viewer' && (totalItems === 0 || allButtonsDisabled))
               }
             >
               <LocalIcon icon={icons.downloadIconName} width="1.5rem" height="1.5rem" />

frontend/src/core/components/viewer/LocalEmbedPDF.tsx

@@ -59,8 +59,6 @@ import { ActiveDocumentProvider } from '@app/components/viewer/ActiveDocumentCon
 import { absoluteWithBasePath } from '@app/constants/app';
 import { FormFieldOverlay } from '@app/tools/formFill/FormFieldOverlay';
 
-const DOCUMENT_NAME = 'stirling-pdf-viewer';
-
 interface LocalEmbedPDFProps {
   file?: File | Blob;
   url?: string | null;
@@ -118,7 +116,7 @@ export function LocalEmbedPDF({ file, url, fileName, enableAnnotations = false,
       createPluginRegistration(DocumentManagerPluginPackage, {
         initialDocuments: [{
           url: pdfUrl,
-          name: DOCUMENT_NAME,
+          name: exportFileName,
         }],
       }),
       createPluginRegistration(ViewportPluginPackage, {

frontend/src/core/contexts/viewer/viewerActions.ts

@@ -56,7 +56,6 @@ export interface SearchActions {
 }
 
 export interface ExportActions {
-  download: () => void;
   saveAsCopy: () => Promise<ArrayBuffer | null>;
 }
 
@@ -336,12 +335,6 @@ export function createViewerActions({
   };
 
   const exportActions: ExportActions = {
-    download: () => {
-      const api = registry.current.export?.api;
-      if (api?.download) {
-        api.download();
-      }
-    },
     saveAsCopy: async () => {
       const api = registry.current.export?.api;
       if (api?.saveAsCopy) {

frontend/src/core/contexts/viewer/viewerBridges.ts

@@ -92,7 +92,6 @@ export interface ThumbnailAPIWrapper {
 }
 
 export interface ExportAPIWrapper {
-  download: () => void;
   saveAsCopy: () => { toPromise: () => Promise<ArrayBuffer> };
 }
 

frontend/src/core/hooks/useFileWithUrl.ts

@@ -1,12 +1,12 @@
-import { useMemo } from 'react';
+import { useMemo, useEffect } from 'react';
 import { isFileObject } from '@app/types/fileContext';
 
 /**
  * Hook to convert a File object to { file: File; url: string } format
- * Creates blob URL on-demand and handles cleanup
+ * Creates blob URL on-demand and revokes it when file changes or component unmounts.
  */
 export function useFileWithUrl(file: File | Blob | null): { file: File | Blob; url: string } | null {
-  return useMemo(() => {
+  const result = useMemo(() => {
     if (!file) return null;
 
     // Validate that file is a proper File, StirlingFile, or Blob object
@@ -17,19 +17,21 @@ export function useFileWithUrl(file: File | Blob | null): { file: File | Blob; u
 
     try {
       const url = URL.createObjectURL(file);
-
+      return { file, url };
-      // Return object with cleanup function
-      const result = { file, url };
-
-      // Store cleanup function for later use
-      (result as any)._cleanup = () => URL.revokeObjectURL(url);
-
-      return result;
     } catch (error) {
       console.error('useFileWithUrl: Failed to create object URL:', error, file);
       return null;
     }
   }, [file]);
+
+  useEffect(() => {
+    const url = result?.url;
+    return () => {
+      if (url) URL.revokeObjectURL(url);
+    };
+  }, [result]);
+
+  return result;
 }
 
 /**