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Diffstat (limited to 'guides')
| -rw-r--r-- | guides/source/routing.md | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/guides/source/routing.md b/guides/source/routing.md index 52f11f92bd..02763eabcd 100644 --- a/guides/source/routing.md +++ b/guides/source/routing.md @@ -1087,6 +1087,20 @@ edit_videos GET /videos/:identifier/edit(.:format) videos#edit Video.find_by(identifier: params[:identifier]) ``` +You can override `ActiveRecord::Base#to_param` of a related +model to constructe an URL. + +```ruby +class Video < ActiveRecord::Base + def to_param # overridden + identifier + end +end + +video = Video.find_by(identifier: "Roman-Holiday") +edit_videos_path(video) # => "/videos/Roman-Holiday" +``` + Inspecting and Testing Routes ----------------------------- |