Rick Tessner

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Interesting. I don't use S3.

What would a more generic solution be that would apply equally to other storage options, including just local file storage?

Hi all,

With carrierwave etc it was easy enough to associate a User with an uploaded image. Things are a bit different with ActiveStorage::Attachment & Blobs.

For example, suppose I have aPark models that has_many_attached :images. I also have a User model and any user can upload an image. I want folk to be able to delete their own images that they've uploaded but not other peoples images.

I can see two ways of doing this:

  • Create a separate model, say Image that belongs_to :user and has_one_attached :picture and then Park instead of having has_many_attachments, just has_many :images
  • Make use of the fact that ActiveStorage::Blob has many ActiveStorage::Attachment and do the ownership of a blob by having two ActiveStorage::Attachment records: One for the Park and the other for the User.

How are people handling ownership of uploaded blobs? Are there other ways of doing this? Is there a best practice around this? Has Chris done a video on this that I've not yet seen?

Thanks all!

Rick

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