method

attach

v5.2.3 - Show latest stable - 0 notes - Class: One

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What's this?

attach(attachable) public

Associates a given attachment with the current record, saving it to the database.

person.avatar.attach(params[:avatar]) # ActionDispatch::Http::UploadedFile object
person.avatar.attach(params[:signed_blob_id]) # Signed reference to blob from direct upload
person.avatar.attach(io: File.open("/path/to/face.jpg"), filename: "face.jpg", content_type: "image/jpg")
person.avatar.attach(avatar_blob) # ActiveStorage::Blob object

Show source

# File activestorage/lib/active_storage/attached/one.rb, line 22
    def attach(attachable)
      blob_was = blob if attached?
      blob = create_blob_from(attachable)

      unless blob == blob_was
        transaction do
          detach
          write_attachment build_attachment(blob: blob)
        end

        blob_was.purge_later if blob_was && dependent == :purge_later
      end
    end

attach

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