Hello all,
I followed the Heroku article on creating a Direct to S3 file uploader for
my Rails app.
https://devcenter.heroku.com/articles/direct-to-s3-image-uploads-in-rails
I think that I did everything the tutorial said...
In my users_controller, under *new* is:
@s3_direct_post = S3_BUCKET.presigned_post(key:
"uploads/#{SecureRandom.uuid}/${filename}", success_action_status: 201,
acl: :public_read)
This code seems fine, and is pretty much exactly as the article says.
The problem is in my *image_loader.js.erb*, the following:
fileInput.fileupload({
fileInput: fileInput,
url: '<%= @s3_direct_post.url %>',
type: 'POST',
autoUpload: true,
formData: <%= @s3_direct_post.fields.to_json.html_safe %>,
Turns out:
undefined method `url' for nil:NilClass
in fact this breaks an otherwise working app.
The code in my controller should create the @*s3_direct_post* object, but
it seems that my javascript doesn't pick it up, maybe?
I've tried putting the code in the view with <script> tags, as well, with
the same results. Any help out there?
Thanks!
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