tags cloud for gallery partial

rilian · May 12, 2012 · 5dfe09f · 5dfe09f
1 parent 868bbef
commit 5dfe09f
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diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
@@ -1,2 +1,10 @@
 module ApplicationHelper
+  ##
+  # Returns array of weighted tags, extracted from all Image
+  #
+  def get_tags_cloud
+    tags_cloud = Hash.new(0)
+    Image.published.map(&:tags).flatten.each { |tag| tags_cloud[tag] += 1 }
+    tags_cloud.sort {|a, b| rand <=> rand }
+  end
 end
diff --git a/app/views/images/_gallery.html.erb b/app/views/images/_gallery.html.erb
@@ -1,3 +1,13 @@
+<ul class="thumbnails">
+  <% get_tags_cloud.each do |tag, count| %>
+    <li>
+      <h<%= [(6-count), 2].max %>>
+        <%= link_to tag, root_path(:q => {:title_or_desc_or_tags_cache_or_album_title_cont => tag}) %>
+      </h<%= [(6-count), 2].max %>>
+    </li>
+  <% end %>
+</ul>
+
 <ul class="thumbnails">
   <% images.each do |image| %>
     <li class="span2">