diff options
Diffstat (limited to 'lib/active_storage/attached/one.rb')
| -rw-r--r-- | lib/active_storage/attached/one.rb | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/active_storage/attached/one.rb b/lib/active_storage/attached/one.rb index d08d265992..80e4cb6234 100644 --- a/lib/active_storage/attached/one.rb +++ b/lib/active_storage/attached/one.rb @@ -1,18 +1,34 @@ +# Representation of a single attachment to a model. class ActiveStorage::Attached::One < ActiveStorage::Attached delegate_missing_to :attachment + # Returns the associated attachment record. + # + # You don't have to call this method to access the attachment's methods as + # they are all available at the model level. def attachment @attachment ||= ActiveStorage::Attachment.find_by(record_gid: record.to_gid.to_s, name: name) end + # Associates a given attachment with the current record, saving it to the + # database. def attach(attachable) @attachment = ActiveStorage::Attachment.create!(record_gid: record.to_gid.to_s, name: name, blob: create_blob_from(attachable)) end + # Checks the presence of the attachment. + # + # class User < ActiveRecord::Base + # has_one_attached :avatar + # end + # + # User.new.avatar.attached? # => false def attached? attachment.present? end + # Directly purges the attachment (i.e. destroys the blob and + # attachment and deletes the file on the service). def purge if attached? attachment.purge @@ -20,6 +36,7 @@ class ActiveStorage::Attached::One < ActiveStorage::Attached end end + # Purges the attachment through the queuing system. def purge_later if attached? attachment.purge_later |