kotovalexarian-likes-github/rails--rails
1
0
Fork 0
mirror of https://github.com/rails/rails.git synced 2022-11-09 12:12:34 -05:00
Code Releases Activity

Merge pull request #33899 from bogdanvlviv/follow-up-33405

Browse source 
Raise `ActiveRecord::InvalidForeignKey` in `before_destroy` for a blob if attachments exist
This commit is contained in:
George Claghorn 2018-09-16 20:56:43 -04:00 committed by GitHub
commit fca8da18ac
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
activestorage/app/models/active_storage/blob.rb
View file

@ -35,6 +35,10 @@ class ActiveStorage::Blob < ActiveRecord::Base
scope :unattached, -> { left_joins(:attachments).where(ActiveStorage::Attachment.table_name => { blob_id: nil }) }
before_destroy(prepend: true) do
raise ActiveRecord::InvalidForeignKey if attachments.exists?
end
class << self
# You can used the signed ID of a blob to refer to it on the client side without fear of tampering.
# This is particularly helpful for direct uploads where the client-side needs to refer to the blob