Update app.R

app.R

@@ -1999,28 +1999,25 @@ observeEvent(input$upload_hf_btn, {
   arrow::write_parquet(combined, tmp)
   
 result <- tryCatch({
-    # Write the header JSON to a temp file
-    header_file <- tempfile(fileext = ".json")
-    header_json <- paste0(
-      '{"summary":"Update ', filename, '",',
-      '"operations":[{"key":"file","path_in_repo":"', filename, '"}]}'
+    file_bytes <- readBin(tmp, "raw", file.info(tmp)$size)
+    file_b64 <- base64enc::base64encode(file_bytes)
+    
+    # Build JSON manually to avoid serialization issues
+    json_body <- sprintf(
+      '{"summary":"Update %s","operations":[{"operation":"upload","path_in_repo":"%s","content_encoding":"base64","content":"%s"}]}',
+      filename, filename, file_b64
     )
-    writeBin(charToRaw(header_json), header_file)
     
     resp <- httr::POST(
       paste0("https://huggingface.co/api/datasets/", repo_id, "/commit/main"),
       httr::add_headers(
-        Authorization = paste("Bearer", hf_token)
-      ),
-      body = list(
-        header = httr::upload_file(header_file, type = "application/json"),
-        file = httr::upload_file(tmp, type = "application/octet-stream")
+        Authorization = paste("Bearer", hf_token),
+        `Content-Type` = "application/json"
       ),
-      encode = "multipart"
+      body = json_body,
+      encode = "raw"
     )
     
-    file.remove(header_file)
-    
     resp_text <- httr::content(resp, as = "text", encoding = "UTF-8")
     
     if (httr::status_code(resp) %in% c(200, 201)) {