Creates a new blob on the server side in anticipation of a direct-to-service upload from the client side. When the client-side upload is completed, the signed_blob_id can be submitted as part of the form to reference the blob that was created up front.
Instance Public methods
# File activestorage/app/controllers/active_storage/direct_uploads_controller.rb, line 7 def create blob = ActiveStorage::Blob.create_before_direct_upload!(blob_args) render json: direct_upload_json(blob) end