class ActiveStorage::DirectUploadsController
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.
Public Instance Methods
create()
click to toggle source
# 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
Private Instance Methods
blob_args()
click to toggle source
# File activestorage/app/controllers/active_storage/direct_uploads_controller.rb, line 13 def blob_args params.require(:blob).permit(:filename, :byte_size, :checksum, :content_type, :metadata).to_h.symbolize_keys end
direct_upload_json(blob)
click to toggle source
# File activestorage/app/controllers/active_storage/direct_uploads_controller.rb, line 17 def direct_upload_json(blob) blob.as_json(methods: :signed_id).merge(direct_upload: { url: blob.service_url_for_direct_upload, headers: blob.service_headers_for_direct_upload }) end