Update app.R

app.R

@@ -1999,31 +1999,32 @@ observeEvent(input$upload_hf_btn, {
   arrow::write_parquet(combined, tmp)
   
 result <- tryCatch({
-    file_bytes <- readBin(tmp, "raw", file.info(tmp)$size)
-    file_b64 <- base64enc::base64encode(file_bytes)
+    header_json <- sprintf(
+      '{"summary":"Update %s","operations":[{"key":"file0","path_in_repo":"%s"}]}',
+      filename, filename
+    )
     
-    # Build JSON manually to avoid serialization issues
-    json_body <- sprintf(
-      '{"summary":"Update %s","operations":[{"operation":"upload","path_in_repo":"%s","encoding":"base64","content":"%s"}]}',
-      filename, filename, file_b64
+    h <- curl::new_handle()
+    curl::handle_setheaders(h, 
+      "Authorization" = paste("Bearer", hf_token)
     )
     
-    resp <- httr::POST(
+    curl::handle_setform(h,
+      header = curl::form_data(header_json, type = "application/json"),
+      file0 = curl::form_file(tmp, type = "application/octet-stream")
+    )
+    
+    resp <- curl::curl_fetch_memory(
       paste0("https://huggingface.co/api/datasets/", repo_id, "/commit/main"),
-      httr::add_headers(
-        Authorization = paste("Bearer", hf_token),
-        `Content-Type` = "application/json"
-      ),
-      body = json_body,
-      encode = "raw"
+      handle = h
     )
     
-    resp_text <- httr::content(resp, as = "text", encoding = "UTF-8")
+    resp_text <- rawToChar(resp$content)
     
-    if (httr::status_code(resp) %in% c(200, 201)) {
+    if (resp$status_code %in% c(200, 201)) {
       paste0("Done! ", nrow(combined), " total rows in dataset.")
     } else {
-      paste0("Upload failed: ", httr::status_code(resp), " - ", resp_text)
+      paste0("Upload failed: ", resp$status_code, " - ", resp_text)
     }
   }, error = function(e) {
     paste("Upload error:", e$message)