added sorting arrow for favorites view

app/assets/stylesheets/favorites.scss

@@ -44,6 +44,7 @@
     width: 100%;
   }
 
+
   tr:nth-child(odd) {
     th, td {
       //padding: 8px;

app/helpers/favorites_helper.rb

@@ -3,4 +3,15 @@ module FavoritesHelper
     direction = column == sort_column && sort_direction == 'asc' ? 'desc' : 'asc'
     link_to title, :sort => column, :direction => direction
   end
+
+  def sorting_arrow(column)
+    if sort_column == column
+      direction = column == sort_column && sort_direction == 'asc' ? 'desc' : 'asc'
+      if direction == 'asc'
+        image_tag 'up.png'
+      else
+        image_tag 'down.png'
+      end
+    end
+  end
 end

app/views/favorites/_th.html.erb

@@ -0,0 +1,4 @@
+<th>
+  <%= sortable display, column %>
+  <%= sorting_arrow column %>
+</th>

app/views/favorites/courses.html.erb

@@ -6,8 +6,8 @@
   <div class="table_wrapper">
     <table>
       <tr>
-        <th><%= sortable "Title", "title" %></th>
+        <%= render :partial => "favorites/th", :locals => {:display => "Title", :column => "title"} %>
-        <th><%= sortable "Registration Date", "created_at" %></th>
+        <%= render :partial => "favorites/th", :locals => {:display => "Registration Date", :column => "created_at"} %>
       </tr>
       <% for course in @favorite_courses %>
         <tr>

app/views/favorites/people.html.erb

@@ -2,36 +2,14 @@
 
 <h2>Favorite People</h2>
 
-<!--<ul class="people-list">-->
-  <%# @favorite_people.each do |person| %>
-<!--    <li class="person">-->
-      <%#= link_to crawlers_people_crawler_show_detail_url(:tiss_id => person['tiss_id']) do %>
-<!--      <span class="list-link">-->
-<!--        <span class="person-icon">-->
-          <%# if person['picture_uri'] != nil %>
-            <%#= image_tag @host + person['picture_uri'] %>
-          <%# else %>
-            <%#= show_svg('account_circle-black-48dp.svg') %>
-          <%# end %>
-<!--        </span>-->
-<!--          <span class="person-name">-->
-            <%#= person['first_name'] %>
-            <%#= person['last_name'] %>
-<!--          </span>-->
-<!--          </span>-->
-      <%# end %>
-<!--    </li>-->
-  <%# end %>
-<!--</ul>-->
-
 <% if !@favorite_people[0].blank? %>
   <div class="table_wrapper">
     <table>
       <tr>
         <th></th>
-        <th><%= sortable "First Name", "first_name" %></th>
+        <%= render :partial => "favorites/th", :locals => {:display => "First Name", :column => "first_name"} %>
-        <th><%= sortable "Last Name", "last_name" %></th>
+        <%= render :partial => "favorites/th", :locals => {:display => "Last Name", :column => "last_name"} %>
-        <th><%= sortable "Registration Date", "created_at" %></th>
+        <%= render :partial => "favorites/th", :locals => {:display => "Registration Date", :column => "created_at"} %>
       </tr>
       <% for person in @favorite_people %>
         <tr>
@@ -39,9 +17,9 @@
             <%= link_to crawlers_people_crawler_show_detail_url(:tiss_id => person['tiss_id']) do %>
             <span>
               <% if person['picture_uri'] != nil %>
-                <%= image_tag @host + person['picture_uri'], class: 'thumb'%>
+                <%= image_tag @host + person['picture_uri'], class: 'thumb' %>
               <% else %>
-                <%= show_svg('account_circle-black-48dp.svg')%>
+                <%= show_svg('account_circle-black-48dp.svg') %>
               <% end %>
             </span>
             <% end %>

app/views/favorites/projects.html.erb

@@ -6,8 +6,8 @@
   <div class="table_wrapper">
     <table>
       <tr>
-        <th><%= sortable "Title", "title" %></th>
+        <%= render :partial => "favorites/th", :locals => {:display => "Title", :column => "title"} %>
-        <th><%= sortable "Registration Date", "created_at" %></th>
+        <%= render :partial => "favorites/th", :locals => {:display => "Registration Date", :column => "created_at"} %>
       </tr>
       <% for project in @favorite_projects %>
         <tr>

app/views/favorites/theses.html.erb

@@ -6,8 +6,8 @@
   <div class="table_wrapper">
     <table>
       <tr>
-        <th><%= sortable "Title", "title" %></th>
+        <%= render :partial => "favorites/th", :locals => {:display => "Title", :column => "title"} %>
-        <th><%= sortable "Registration Date", "created_at" %></th>
+        <%= render :partial => "favorites/th", :locals => {:display => "Registration Date", :column => "created_at"} %>
       </tr>
       <% for thesis in @favorite_theses %>
         <tr>