Adds view mode on debates

app/controllers/debates_controller.rb

@@ -5,6 +5,7 @@ class DebatesController < ApplicationController
 
   before_action :parse_tag_filter, only: :index
   before_action :authenticate_user!, except: [:index, :show, :map]
+  before_action :set_view, only: :index
 
   feature_flag :debates
 
@@ -52,4 +53,8 @@ class DebatesController < ApplicationController
       Debate
     end
 
+    def set_view
+      @view = (params[:view] == "minimal") ? "minimal" : "default"
+    end
+
 end

app/helpers/debates_helper.rb

@@ -12,4 +12,20 @@ module DebatesHelper
     end
   end
 
+  def debates_minimal_view_path
+    debates_path(view: debates_secondary_view)
+  end
+
+  def debates_default_view?
+    @view == "default"
+  end
+
+  def debates_current_view
+    @view
+  end
+
+  def debates_secondary_view
+    debates_current_view == "default" ? "minimal" : "default"
+  end
+
 end

app/views/debates/_debate_minimal.html.erb

@@ -0,0 +1,14 @@
+<div id="<%= dom_id(debate) %>" class="debate minimal clear" data-type="debate">
+  <div class="panel">
+    <div class="row">
+      <div class="small-12 column">
+        <div class="debate-content">
+          <% cache [locale_and_user_status,
+                    'index_minimal', debate, @debate_votes[debate.id]] do %>
+            <h3><%= link_to debate.title, debate %></h3>
+          <% end %>
+        </div>
+      </div>
+    </div>
+  </div>
+</div>

app/views/debates/_view_mode.html.erb

@@ -0,0 +1,30 @@
+<div class="float-right view-mode <%= @view %>">
+  <button class="button" type="button" data-toggle="view_mode">
+    <span class="show-for-sr"><%= t("shared.view_mode.title") %></span>
+  </button>
+
+  <div class="dropdown-pane" id="view_mode" data-dropdown data-hover="true" data-hover-pane="true">
+    <span class="uppercase">
+      <strong>
+        <%= t("shared.view_mode.title") %>
+      </strong>
+    </span>
+    <ul class="no-bullet">
+      <% if debates_default_view? %>
+        <li class="view-card active">
+          <%= t("shared.view_mode.cards") %>
+        </li>
+        <li class="view-list">
+          <%= link_to t("shared.view_mode.list"), debates_minimal_view_path %>
+        </li>
+      <% else %>
+        <li class="view-card">
+          <%= link_to t("shared.view_mode.cards"), debates_minimal_view_path %>
+        </li>
+        <li class="view-list active">
+          <%= t("shared.view_mode.list") %>
+        </li>
+      <% end %>
+    </ul>
+  </div>
+</div>

app/views/debates/index.html.erb

@@ -46,6 +46,12 @@
         <%= render "featured_debates" %>
       <% end %>
 
+      <div class="row">
+        <div class="small-12 column">
+          <%= render "view_mode" %>
+        </div>
+      </div>
+
       <%= render "shared/advanced_search", search_path: debates_path(page: 1) %>
 
       <%= render 'shared/order_links', i18n_namespace: "debates.index" %>
@@ -55,7 +61,13 @@
       </div>
 
       <% if @debates.any? || current_user.blank? %>
-        <%= render @debates %>
+        <% if debates_default_view? %>
+          <%= render @debates %>
+        <% else %>
+          <% @debates.each do |debate| %>
+            <%= render partial: 'debates/debate_minimal', locals: { debate: debate } %>
+          <% end %>
+        <% end %>
       <% else %>
         <%= empty_recommended_debates_message_text(current_user) %>
       <% end %>

spec/features/debates_spec.rb

@@ -47,6 +47,34 @@ feature 'Debates' do
     expect(page).to have_selector('#debates .debate', count: 2)
   end
 
+  scenario 'Index view mode' do
+    debates = [create(:debate), create(:debate), create(:debate)]
+
+    visit debates_path
+
+    click_button 'View mode'
+
+    click_link 'List'
+
+    debates.each do |debate|
+      within('#debates') do
+        expect(page).to     have_link debate.title
+        expect(page).to_not have_content debate.description
+      end
+    end
+
+    click_button 'View mode'
+
+    click_link 'Cards'
+
+    debates.each do |debate|
+      within('#debates') do
+        expect(page).to have_link debate.title
+        expect(page).to have_content debate.description
+      end
+    end
+  end
+
   scenario 'Show' do
     debate = create(:debate)