Update app.R

app.R

@@ -1999,29 +1999,34 @@ 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")
-    writeLines(paste0(
+    header_json <- paste0(
       '{"summary":"Update ', filename, '",',
       '"operations":[{"key":"file","path_in_repo":"', filename, '"}]}'
-    ), header_file)
+    )
+    writeBin(charToRaw(header_json), header_file)
     
-    resp <- system2("curl", args = c(
-      "-s",
-      "-X", "POST",
-      "-H", paste0("Authorization: Bearer ", hf_token),
-      "-F", paste0('header=@', header_file, ';type=application/json'),
-      "-F", paste0('file=@', tmp, ';type=application/octet-stream'),
-      paste0("https://huggingface.co/api/datasets/", repo_id, "/commit/main")
-    ), stdout = TRUE, stderr = TRUE)
+    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")
+      ),
+      encode = "multipart"
+    )
     
     file.remove(header_file)
     
-    resp_text <- paste(resp, collapse = "\n")
+    resp_text <- httr::content(resp, as = "text", encoding = "UTF-8")
     
-    if (grepl("commitOid", resp_text)) {
+    if (httr::status_code(resp) %in% c(200, 201)) {
       paste0("Done! ", nrow(combined), " total rows in dataset.")
     } else {
-      paste0("Upload response: ", resp_text)
+      paste0("Upload failed: ", httr::status_code(resp), " - ", resp_text)
     }
   }, error = function(e) {
     paste("Upload error:", e$message)