makes tag_cloud to accept taggable

fixes links in proposals' tag cloud

app/helpers/tags_helper.rb

@@ -0,0 +1,14 @@
+module TagsHelper
+
+  def taggable_path(taggable, tag_name)
+    case taggable
+    when 'debate'
+      debates_path(tag: tag_name)
+    when 'proposal'
+      proposals_path(tag: tag_name)
+    else
+      '#'
+    end
+  end
+
+end

app/views/debates/index.html.erb

@@ -51,7 +51,7 @@
     <div class="small-12 medium-3 column">
       <aside class="sidebar" role="complementary">
         <%= link_to t("debates.index.start_debate"), new_debate_path, class: 'button radius expand' %>
-        <%= render "shared/tag_cloud" %>
+        <%= render "shared/tag_cloud", taggable: 'debate' %>
       </aside>
     </div>
   </div>

app/views/proposals/index.html.erb

@@ -51,7 +51,7 @@
     <div class="small-12 medium-3 column">
       <aside class="sidebar" role="complementary">
         <%= link_to t("proposals.index.start_proposal"), new_proposal_path, class: 'button radius expand' %>
-        <%= render "shared/tag_cloud" %>
+        <%= render "shared/tag_cloud", taggable: 'proposal' %>
       </aside>
     </div>
   </div>

app/views/shared/_tag_cloud.html.erb

@@ -3,6 +3,6 @@
   <h3><%= t("shared.tags_cloud.tags") %></h3>
   <br>
   <% tag_cloud @tag_cloud, %w[s m l] do |tag, css_class| %>
-    <%= link_to sanitize("#{tag.name} <span class='label round info'>#{tag.taggings_count}</span>"), debates_path(tag: tag.name), class: css_class %>
+    <%= link_to sanitize("#{tag.name} <span class='label round info'>#{tag.taggings_count}</span>"), taggable_path(taggable, tag.name), class: css_class %>
   <% end %>
 </div>