Render snippet with user-generated markdown support

Author: rossta

app/views/share/snippets/index.html.erb

@@ -8,7 +8,8 @@
 
   <% @snippets.each do |snippet| %>
     <div id="<%= dom_id(snippet) %>" class="section-content mb-xl">
-      <%= link_to share_snippet_path(snippet), class: "block" do %>
+      <%= render Markdown::Safe.new(snippet.description) if snippet.description %>
+      <%= link_to share_snippet_path(snippet), class: "section-content" do %>
         <%= render CodeBlock::Snippet.new(snippet) %>
       <% end %>
       <div>

app/views/share/snippets/show.html.erb

@@ -14,6 +14,7 @@
 <div class="section-content container py-gap mb-3xl">
   <%= turbo_frame_tag :snippet_form do %>
     <div class="section-content">
+      <%= render Markdown::Safe.new(@snippet.description) if @snippet.description %>
       <%= render CodeBlock::Snippet.new(@snippet) %>
       <div>
         <%= render Share::Snippets::Toolbar.new(@snippet, current_user: current_user) %>

spec/factories/snippets.rb

@@ -3,6 +3,7 @@
     source { "puts \"Hello, world!\"" }
     language { "ruby" }
     filename { "example.rb" }
+    description { "# Hello World in Ruby" }
     author { build(:user) }
   end
 end

spec/requests/share/snippets_spec.rb

@@ -8,6 +8,18 @@
       expect(response).to be_successful
     end
 
+    it "renders a successful response without filename" do
+      FactoryBot.create(:snippet, filename: nil)
+      get share_snippets_url
+      expect(response).to be_successful
+    end
+
+    it "renders a successful response without description" do
+      FactoryBot.create(:snippet, description: nil)
+      get share_snippets_url
+      expect(response).to be_successful
+    end
+
     it "does not render the New Snippet button when not allowed" do
       get share_snippets_url
 
@@ -29,6 +41,18 @@
       expect(response).to be_successful
     end
 
+    it "renders a successful response without filename" do
+      snippet = FactoryBot.create(:snippet, filename: nil)
+      get share_snippet_url(snippet)
+      expect(response).to be_successful
+    end
+
+    it "renders a successful response without description" do
+      snippet = FactoryBot.create(:snippet, description: nil)
+      get share_snippet_url(snippet)
+      expect(response).to be_successful
+    end
+
     it "does not render the Edit Snippet button when not allowed" do
       Flipper.enable(:snippets, login_as_user)
       snippet = FactoryBot.create(:snippet)