Contents

module Murlsh

  class UrlResultSet

    def initialize(conditions, page, per_page)
      @conditions, @page, @per_page = conditions, page, per_page
      @order = 'time DESC'
    end

    def total_entries
      @total_entries ||= Murlsh::Url.count(:conditions => conditions)
    end

    def total_pages
      @total_pages ||= [(total_entries / per_page.to_f).ceil, 1].max
    end

    def offset; @offset ||= (page - 1) * per_page; end

    def results
      Murlsh::Url.all(:conditions => conditions, :order => order,
        :limit => per_page, :offset => offset)
    end

    def prev_page
      unless instance_variable_defined?(:@prev_page)
        @prev_page = page - 1  if (2..total_pages) === page
      end
      @prev_page
    end

    def next_page
      unless instance_variable_defined?(:@next_page)
        @next_page = page + 1  if page < total_pages
      end
      @next_page
    end

    attr_reader :conditions
    attr_reader :page
    attr_reader :per_page
    attr_reader :order
  end

end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
murlsh-1.6.1	lib/murlsh/url_result_set.rb
murlsh-1.6.0	lib/murlsh/url_result_set.rb
murlsh-1.5.0	lib/murlsh/url_result_set.rb