fixed proxy

web/backend/app/api/routes.py

@@ -32,9 +32,11 @@ from app.schemas import (
     LlmMessageOut,
     LoginRequest,
     LoginResponse,
+    PreviewPdfRequest,
     ProjectCreate,
     ProjectOut,
     ProjectUpdate,
+    ProtectPagesRequest,
     TableRowsPatch,
     TableRowsResponse,
     TableSettingsUpdate,
@@ -42,7 +44,8 @@ from app.schemas import (
 from app.services.designators import DEFAULT_MAPPINGS
 from app.services.excel_export import export_xlsx
 from app.services.llm import chat_edit_table, estimate_chat_context
-from app.services.pdf_export import export_pdf
+from app.services.pdf_export import export_pdf, export_pdf_page
+from app.services.page_breaks import protect_page_breaks
 from app.services.project_service import get_project_full, ingest_zip, project_dir
 from app.services.project_settings import (
     TABLE_SETTINGS_META,
@@ -512,6 +515,53 @@ def generate(
     return TableRowsResponse(table_type=table_type, rows=rows)
 
 
+@secured.post("/projects/{project_id}/tables/{table_type}/protect-pages", response_model=TableRowsResponse)
+def protect_table_pages(
+    project_id: int,
+    table_type: str,
+    body: ProtectPagesRequest | None = None,
+    db: Session = Depends(get_db),
+):
+    _get_project(db, project_id)
+    if table_type not in TABLE_TYPES:
+        raise HTTPException(400, "Unknown table type")
+    body = body or ProtectPagesRequest()
+    source = body.rows if body.rows is not None else get_rows(db, project_id, table_type)
+    protected = protect_page_breaks(source, table_type)
+    return TableRowsResponse(table_type=table_type, rows=protected)
+
+
+@secured.post("/projects/{project_id}/preview-pdf")
+def preview_pdf(project_id: int, body: PreviewPdfRequest, db: Session = Depends(get_db)):
+    project = _get_project(db, project_id)
+    if body.table_type not in TABLE_TYPES:
+        raise HTTPException(400, "Unknown table type")
+    rows = body.rows if body.rows is not None else get_rows(db, project_id, body.table_type)
+    inscriptions = get_inscriptions(db, project_id)
+    params = get_project_params_map(db, project_id)
+    resolved_inscriptions = resolve_inscriptions(inscriptions, params)
+    try:
+        stretch = get_font_stretch(db, project_id, body.table_type)
+        result = export_pdf_page(
+            body.table_type,
+            rows,
+            page=body.page,
+            inscriptions=resolved_inscriptions,
+            font_stretch=stretch,
+        )
+    except ValueError as e:
+        raise HTTPException(400, str(e)) from e
+    return Response(
+        content=result.data,
+        media_type="application/pdf",
+        headers={
+            "X-Total-Pages": str(result.total_pages),
+            "X-Page": str(result.page),
+            "Content-Disposition": f'inline; filename="{project.name}_{body.table_type}_p{result.page}.pdf"',
+        },
+    )
+
+
 @secured.post("/projects/{project_id}/export")
 def export_document(project_id: int, body: ExportRequest, db: Session = Depends(get_db)):
     project = _get_project(db, project_id)