diff options
Diffstat (limited to 'lib/api/helpers.rb')
-rw-r--r-- | lib/api/helpers.rb | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/lib/api/helpers.rb b/lib/api/helpers.rb index b56fd2388b3..84980864151 100644 --- a/lib/api/helpers.rb +++ b/lib/api/helpers.rb @@ -11,6 +11,25 @@ module API declared(params, options).to_h.symbolize_keys end + def check_unmodified_since!(last_modified) + if_unmodified_since = Time.parse(headers['If-Unmodified-Since']) rescue nil + + if if_unmodified_since && last_modified && last_modified > if_unmodified_since + render_api_error!('412 Precondition Failed', 412) + end + end + + def destroy_conditionally!(resource, last_update_field: :updated_at) + check_unmodified_since!(resource.public_send(last_update_field)) + + status 204 + if block_given? + yield resource + else + resource.destroy + end + end + def current_user return @current_user if defined?(@current_user) |