Merge pull request #67 from connorshea/add-parent-feature-links

Link to parent feature on feature page when relevant.

CHANGELOG.md

@@ -9,6 +9,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Use `friendly_id` gem for ease of use with slugs in URLs. ([#64])
 - Introduce feature pages for each feature in the dataset. ([#64])
 - Display subfeatures on feature pages when relevant. ([#66])
+- Link to parent feature on feature page when relevant. ([#67])
 
 ### Changed
 - Browser pages now have URLs like `/browsers/chrome` rather than `/browsers/1`. ([#62])
@@ -105,6 +106,7 @@ First tagged release, includes some basic functionality.
 [#64]: https://github.com/connorshea/mdn-compat-data-explorer/pull/64
 [#65]: https://github.com/connorshea/mdn-compat-data-explorer/pull/65
 [#66]: https://github.com/connorshea/mdn-compat-data-explorer/pull/66
+[#67]: https://github.com/connorshea/mdn-compat-data-explorer/pull/67
 
 [Unreleased]: https://github.com/connorshea/mdn-compat-data-explorer/compare/v0.4.0...HEAD
 [0.4.0]: https://github.com/connorshea/mdn-compat-data-explorer/compare/v0.3.1...v0.4.0

app/controllers/features_controller.rb

@@ -92,6 +92,11 @@ def show
     @browsers = get_browsers
 
     @subfeatures = Feature.where("name ~* ?", "^#{@feature.name}.*").where.not(slug: params[:slug])
+
+    parent_feature_name = @feature.name.split(/\./)
+    parent_feature_name.pop
+    parent_feature_name = parent_feature_name.join(".")
+    @parent_feature = Feature.find_by(name: parent_feature_name)
   end
 
   private

app/views/features/show.html.erb

@@ -3,6 +3,9 @@
 <div class="container">
   <div class="row py-4">
     <div class="col-12">
+      <% if @parent_feature %>
+        <p>Parent: <%= link_to @parent_feature.name, feature_path(@parent_feature.slug) %></p>
+      <% end %>
       <h1><%= @feature.name %></h1>
     </div>
   </div>
@@ -23,5 +26,4 @@
       </div>
     </div>
   <% end %>
-
 </div>