def self.open
    where(closed: false)
  end

  def self.this_year
    current_year = 1.year.ago
    where("invoice_date >= ?", current_year)
  end

def index
    @search = Invoice.this_year.open.search(params[:q])
    @invoices = @search.result.paginate(:page => params[:page], :per_page => 25)
    @count = @invoices.count
    render 'shared/invoices.html.erb'
  end

gem "pry"

def index
  binding.pry
  # ...
end

scope :sorted, order("invoice_date DESC")