Merge branch 'feature-object-type-task' into 'master'

creating task to restart object type table

Signed-off-by: man13 <man13@inf.ufpr.br>

See merge request !178

lib/tasks/object_type.rake

+namespace :object_type do
+  desc 'Destroy the types that are not defaults'
+  task :restart => :environment do
+    undefined_type = ObjectType.find_by_name('Outros')
+    ObjectType.all.each do |type|
+      unless default_types.include? type.name
+        type.learning_objects.each {|lo| lo.update_attribute(:object_type, undefined_type) }
+        ObjectType.destroy type.id
+      end
+    end
+  end
+
+  def default_types
+    [
+        'Imagem', 'Mapa', 'Software Educacional', 'Experimento prático', 'Animação/simulação', 'Texto',
+        'Áudio', 'PDF', 'Website externo', 'Vídeo', 'Outros'
+    ]
+  end
+
+end
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