From 0039f4c155674333a28620c557a015ac93794d4b Mon Sep 17 00:00:00 2001
From: Elian Doran <contact@eliandoran.me>
Date: Sun, 4 Jan 2026 17:25:56 +0200
Subject: [PATCH] feat(pdfjs): replace blob instead of creating a new revision
 every time

---
 apps/client/src/widgets/react/hooks.tsx           | 8 +++++---
 apps/client/src/widgets/type_widgets/file/Pdf.tsx | 3 ++-
 apps/server/src/routes/api/files.ts               | 4 +++-
 3 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/apps/client/src/widgets/react/hooks.tsx b/apps/client/src/widgets/react/hooks.tsx
index 17efcc275f..d0031fe071 100644
--- a/apps/client/src/widgets/react/hooks.tsx
+++ b/apps/client/src/widgets/react/hooks.tsx
@@ -170,7 +170,7 @@ export function useEditorSpacedUpdate({ note, noteType, noteContext, getData, on
     return spacedUpdate;
 }
 
-export function useBlobEditorSpacedUpdate({ note, noteType, noteContext, getData, onContentChange, dataSaved, updateInterval }: {
+export function useBlobEditorSpacedUpdate({ note, noteType, noteContext, getData, onContentChange, dataSaved, updateInterval, replaceWithoutRevision }: {
     noteType: NoteType;
     note: FNote,
     noteContext: NoteContext | null | undefined,
@@ -178,6 +178,8 @@ export function useBlobEditorSpacedUpdate({ note, noteType, noteContext, getData
     onContentChange: (newBlob: FBlob) => void,
     dataSaved?: (savedData: Blob) => void,
     updateInterval?: number;
+    /** If set to true, then the blob is replaced directly without saving a revision before. */
+    replaceWithoutRevision?: boolean;
 }) {
     const parentComponent = useContext(ParentComponent);
     const blob = useNoteBlob(note, parentComponent?.componentId);
@@ -190,10 +192,10 @@ export function useBlobEditorSpacedUpdate({ note, noteType, noteContext, getData
             if (data === undefined || note.type !== noteType) return;
 
             protected_session_holder.touchProtectedSessionIfNecessary(note);
-            await server.upload(`notes/${note.noteId}/file`, new File([ data ], note.title, { type: note.mime }), parentComponent?.componentId);
+            await server.upload(`notes/${note.noteId}/file?replace=${replaceWithoutRevision ? "1" : "0"}`, new File([ data ], note.title, { type: note.mime }), parentComponent?.componentId);
             dataSaved?.(data);
         };
-    }, [ note, getData, dataSaved, noteType, parentComponent ]);
+    }, [ note, getData, dataSaved, noteType, parentComponent, replaceWithoutRevision ]);
     const stateCallback = useCallback<StateCallback>((state) => {
         noteContext?.setContextData("saveState", {
             state
diff --git a/apps/client/src/widgets/type_widgets/file/Pdf.tsx b/apps/client/src/widgets/type_widgets/file/Pdf.tsx
index d7a09b35a4..7acbc6d6cf 100644
--- a/apps/client/src/widgets/type_widgets/file/Pdf.tsx
+++ b/apps/client/src/widgets/type_widgets/file/Pdf.tsx
@@ -43,7 +43,8 @@ export default function PdfPreview({ note, blob, componentId, noteContext }: {
             if (iframeRef.current?.contentWindow) {
                 iframeRef.current.contentWindow.location.reload();
             }
-        }
+        },
+        replaceWithoutRevision: true
     });
 
     useEffect(() => {
diff --git a/apps/server/src/routes/api/files.ts b/apps/server/src/routes/api/files.ts
index 5be826fba6..4a6e17382b 100644
--- a/apps/server/src/routes/api/files.ts
+++ b/apps/server/src/routes/api/files.ts
@@ -28,7 +28,9 @@ function updateFile(req: Request) {
         };
     }
 
-    note.saveRevision();
+    if (req.query.replace !== "1") {
+        note.saveRevision();
+    }
 
     note.mime = file.mimetype.toLowerCase();
     note.save();