Merge pull request #4264 from alphagov/landing-pages-side-navigation-…

…scaffold

Scaffold for Side Navigation block on landing pages

app/models/block/side_navigation.rb

@@ -0,0 +1,10 @@
+module Block
+  class SideNavigation < Block::Base
+    LINKS_FILE_PATH = "lib/data/landing_page_content_items/links/side_navigation.yaml".freeze
+
+    def links
+      file_path = Rails.root.join(LINKS_FILE_PATH)
+      YAML.load(File.read(file_path))
+    end
+  end
+end

app/views/landing_page/blocks/_side_navigation.html.erb

@@ -0,0 +1,5 @@
+<%= render "govuk_publishing_components/components/contents_list", {
+	alternative_line_style: block.data["alternative_line_style"],
+	title: block.data["title"],
+	contents: contents_list(request.path, block.links)
+} %>

lib/data/landing_page_content_items/landing_page.yaml

@@ -123,8 +123,9 @@ blocks:
 - type: two_column_layout
   theme: one_third_two_thirds
   blocks:
-  - type: govspeak
-    content: <p>Left content!</p>
+  - type: side_navigation
+    title: Alternate title
+    alternative_line_style: true
   - type: blocks_container
     blocks:
     - type: card

lib/data/landing_page_content_items/links/side_navigation.yaml

@@ -0,0 +1,4 @@
+- text: Landing Page
+  href: "/landing-page"
+- text: Sub Page 1
+  href: "/landing-page/sub-page-1"

spec/fixtures/landing_page.yaml

@@ -123,8 +123,9 @@ blocks:
 - type: two_column_layout
   theme: one_third_two_thirds
   blocks:
-  - type: govspeak
-    content: <p>Left content!</p>
+  - type: side_navigation
+    title: Alternate title
+    alternative_line_style: true
   - type: blocks_container
     blocks:
     - type: card

spec/fixtures/landing_page/links/side_navigation.yaml

@@ -0,0 +1,4 @@
+- text: Landing Page
+  href: "/landing-page"
+- text: Sub Page 1
+  href: "/sub-page-1"

spec/models/block/side_navigation_spec.rb

@@ -0,0 +1,18 @@
+RSpec.describe Block::SideNavigation do
+  let(:block_hash) do
+    { "type" => "side_navigation" }
+  end
+
+  before do
+    stub_const("Block::SideNavigation::LINKS_FILE_PATH", "spec/fixtures/landing_page/links/side_navigation.yaml")
+  end
+
+  describe "#links" do
+    it "returns all of the side navigation links" do
+      links = described_class.new(block_hash).links
+      expect(links.count).to eq(2)
+      expect(links.first["text"]).to eq("Landing Page")
+      expect(links.first["href"]).to eq("/landing-page")
+    end
+  end
+end