File weight calculator

app/helpers/vkontakte.rb

@@ -8,7 +8,8 @@ module Vkontakte
   def self.get artist, track, length
     #html = self.getHtml artist +' - '+ track
     files = self.parseHtml 1 #html
-    files = self.calcWeight files
+    files = self.calcWeight files, artist, track, length
+    self.stream files.first['url']
   end
   
   
@@ -58,13 +59,37 @@ module Vkontakte
           'url'     => item[0],
           'length'  => (t[0].to_i * 60) + t[1].to_i,
           'artist'  => item[2],
-          'title'   => item[3].gsub(/<\/?span>/, '')
+          'track'   => item[3].gsub(/<\/?.*?>/, '')
         }
       end
     files
   end
   
-  def self.calcWeight files
-    pp files
+  def self.calcWeight files, artist, track, length
+    files.each do |file|
+      weight = 0
+      
+      if file['artist'] == artist then weight += 10 else
+      if file['artist'].include? artist then weight += 5 else
+      if file['track'].include? artist then weight += 4
+      end end end
+      
+      if file['track'] == track then weight += 10 else
+      if file['track'].include? track then weight += 5
+      end end
+      
+      if file['length'] == length then weight +=10 else
+        delta = (length - file['length']).abs
+        if delta < 5 then weight += (5 - delta) end
+      end
+      
+      file['weight'] = weight
+    end
+    
+    files.sort_by{|file| file['weight']}.reverse
+  end
+  
+  def self.stream url
+    
   end
 end