make show categories linkable to search, adds in more button on homepage

app/assets/stylesheets/geoblacklight/modules/home.css.scss

@@ -13,7 +13,7 @@
 .category-block {
   @extend .col-md-6;
   @extend .text-center;
-  min-height: 200px;
+  min-height: 240px;
 
   .category-icon {
     font-size: 6em;

app/helpers/geoblacklight_helper.rb

@@ -69,4 +69,12 @@ def layer_access_image(access)
       ""
     end
   end
+
+  ##
+  # Renders an unique array of search links based off of terms
+  # passed in using the facet parameter
+  #
+  def render_facet_links(facet, items)
+    items.uniq.map { |item| link_to item, catalog_index_path(f: { "#{facet}" => [item] }) }.join(', ').html_safe
+  end
 end

app/views/catalog/_facet_tag_item.html.erb

@@ -1,3 +1,3 @@
 <% display_facet.items.each do |item| %>
-  <%= link_to item.value, catalog_index_path({f: {"#{facet_field.field}" => [item.value]}}), class: 'home-facet-link' %><%= "," unless item == display_facet.items.last %>
+  <%= link_to item.value, catalog_index_path({f: {"#{facet_field.field}" => [item.value]}}), class: 'home-facet-link' %><%= "," %>
 <% end %>

app/views/catalog/_facet_tag_layout.html.erb

@@ -1 +1,2 @@
-<%= yield %>
+<%= yield %>
+<%= link_to t('blacklight.search.facets.more'), catalog_facet_path(display_facet.name), class: 'more_facets_link' %>

app/views/catalog/_home_text.html.erb

@@ -14,24 +14,28 @@
         <div class='category-icon'>
           <span class='glyphicon glyphicon-home'></span>
         </div>
+        <h3>Institution</h3>
         <%= render_facet_tags [:dct_provenance_s] %>
       </div>
       <div class='category-block'>
         <div class='category-icon'>
           <span class='glyphicon glyphicon-download'></span>
         </div>
+        <h3>Data type</h3>
         <%= render_facet_tags [:layer_geom_type_s] %>
       </div>
       <div class='category-block'>
         <div class='category-icon'>
           <span class='glyphicon glyphicon-globe'></span>
         </div>
+        <h3>Placename</h3>
         <%= render_facet_tags [:dct_spatial_sm] %>
       </div>
       <div class='category-block'>
         <div class='category-icon'>
           <span class='glyphicon glyphicon-tags'></span>
         </div>
+        <h3>Subject</h3>
         <%= render_facet_tags [:dc_subject_sm] %>
       </div>
     </div>

app/views/catalog/_upper_metadata.html.erb

@@ -24,11 +24,11 @@
     <% end %>
     <% unless document['dct_spatial_sm'].nil? %>
       <dt>Places</dt>
-      <dd itemprop="spatial"><%= document['dct_spatial_sm'].sort.uniq.join(', ') %>&nbsp;</dd>
+      <dd itemprop="spatial"><%= render_facet_links('dct_spatial_sm', document['dct_spatial_sm']) %>&nbsp;</dd>
     <% end %>
     <% unless document['dc_subject_sm'].nil? %>
       <dt>Subjects</dt>
-      <dd itemprop="keywords"><%= document['dc_subject_sm'].sort.uniq.join(', ') %>&nbsp;</dd>
+      <dd itemprop="keywords"><%= render_facet_links('dc_subject_sm', document['dc_subject_sm']) %>&nbsp;</dd>
     <% end %>
     <% unless document['dct_temporal_sm'].nil? %>
       <dt>Years</dt>

config/locales/geoblacklight.en.yml

@@ -6,7 +6,7 @@ en:
     home:
       headline: 'Explore and discover...'
       search_heading: 'Find the maps and data you need'
-      category_heading: 'Find by category'
+      category_heading: 'Find by...'
       map_heading: 'Find by location'
     tools:
       login_to_view: 'Login to view and download'

spec/features/home_page_spec.rb

@@ -15,6 +15,7 @@
   scenario 'find by category' do
     expect(page).to have_css '.category-block', count: 4
     expect(page).to have_css '.home-facet-link', count: 28
+    expect(page).to have_css 'a.more_facets_link', count: 4
     click_link 'Census'
     expect(page).to have_css '.filterName', text: 'Subject'
     expect(page).to have_css '.filterValue', text: 'Census'

spec/helpers/geoblacklight_helpers_spec.rb

@@ -0,0 +1,16 @@
+require 'spec_helper'
+
+describe GeoblacklightHelper do
+  include GeoblacklightHelper
+  include ActionView::Helpers::UrlHelper
+  describe '#render_facet_links' do
+    it 'should contain unique links' do
+      expect(self).to receive(:catalog_index_path).exactly(3).times.and_return("http://example.com/catalog?f[dc_subject_sm][]=category")
+      html = Capybara.string(render_facet_links('dc_subject_sm', ['Test', 'Test', 'Earth', 'Science']))
+      expect(html).to have_css 'a', count: 3
+      expect(html).to have_css 'a', text: 'Test', count: 1
+      expect(html).to have_css 'a', text: 'Earth', count: 1
+      expect(html).to have_css 'a', text: 'Science', count: 1
+    end
+  end
+end