horrid index function

gistfile1.txt

  def index
    @titles = Title.all
    @genders = Gender.all
    if not params[:find_by_student_id].blank?
      @found_student = Student.find(params[:find_by_student_id])
    else
      if(params.size > 4)
        if params[:title_id].present?
          @results = @results || Student
          @results = @results.where('title_id = ? ', params[:title_id]) 
        end
        if params[:first_name].present?
          @results = @results || Student
          @results = @results.where('first_name like ? ', params[:first_name])
        end
        #@results = @results.where('last_name like ? ', sanitize(params[:last_name])) unless params[:last_name].blank? or params[:last_name].nil?
        #@results = @results.where('gender_id = ? ', sanitize(params[:gender_id])) unless params[:gender_id].blank? or params[:gender_id].nil?
      end
    end
    respond_to do |format|
      format.html # index.html.erb
      format.json { render json: @results } if @results
    end
  end

if params[:title_id].present?
@results = @results || Student
@results = @results.where('title_id = ? ', title_id)
end