printable_drug_record.rb

require "prawn/core"
require "prawn/layout"
include ActionView::Helpers::NumberHelper

class PrintableDrugRecord < Prawn::Document
  attr_accessor :drug_record
  
  PAGE_WIDTH = 560
  LEFT_COL_WIDTH = 330
  RIGHT_COL_WIDTH = 210
  BLACK = "000000"
  WHITE = "FFFFFF"
  LIGHT_GREY = "666666"
  LIGHT_YELLOW = "FFFFCC"
  LIGHT_GREEN = "D8ECAE"
  LIGHT_BLUE = "EBF1F5"
  HARD_GREEN = "84C554"
  VERTICAL_OFFSET = 47

  def initialize(options={}, &block)
    @drug_record = options.delete(:drug_record)
    raise Exception.new("No drug record provided") unless @drug_record
    super(options, &block)
    get_units
    get_data
    fill_color WHITE
    table @drug_name_data,
      :position           =>  :center,
      :width              =>  PAGE_WIDTH,
      :font_size          =>  16,
      :row_colors         =>  [HARD_GREEN],
      :border_width       =>  0,
      :vertical_padding   =>  7,
      :horizontal_padding =>  7
    fill_color BLACK
    if @alert_data
      table @alert_data,
        :position           =>  :center,
        :border_width       =>  0,
        :font_size          =>  9,
        :width              =>  PAGE_WIDTH,
        :row_colors         =>  [LIGHT_YELLOW],
        :vertical_padding   =>  5,
        :horizontal_padding =>  35
      alert_art = "#{RAILS_ROOT}/public/images/icons/warning.png"
      image alert_art, :at => [0, 683], :scale => 0.65
    end
    move_down 5
    # header
    table @header_data,
      :position           =>  :center,
      :width              =>  PAGE_WIDTH,
      :headers            =>  @report_headers,
      :column_widths      =>  @header_column_widths,
      :font_size          =>  10,
      :header_text_color  =>  LIGHT_GREY,
      :row_colors         =>  [WHITE, LIGHT_BLUE],
      :border_width       =>  0,
      :vertical_padding   =>  3,
      :horizontal_padding =>  3
    move_down 5
    #Delivery Method
    table @delivery_method_data,
      :position           =>  :center,
      :width              =>  PAGE_WIDTH,
      :align              =>  { 0 => :left, 1 => :right },
      :row_colors         =>  [LIGHT_GREEN],
      :border_width       =>  0,
      :vertical_padding   =>  3,
      :horizontal_padding =>  10
    move_down 6
    fill_color LIGHT_GREY
    text "Approval Status: #{@drug_record.approval_status.name}", :size => 10
    
    move_down 20
    # Dosing
    fill_color LIGHT_GREY
    text "Dosing -", :style => :bold
    fill_color BLACK
    table @dosing_data,
      :position           =>  :left,
      :width              =>  LEFT_COL_WIDTH,
      :headers            =>  ["hard min", "soft min", "soft max", "hard max", "initial", "cumulative max"],
      :align              =>  { 0 => :center, 1 => :center, 2 => :center, 3 => :center, 4 => :center, 5 => :center },
      :column_widths      =>  { 0 => 50, 1 => 50, 2 => 50, 3 => 50, 4 => 50, 5 => 76 },
      :header_text_color  =>  HARD_GREEN,
      :row_colors         =>  [WHITE, LIGHT_BLUE],
      :vertical_padding   =>  3,
      :horizontal_padding =>  3,
      :font_size          =>  9
    
    move_down 10
    fill_color LIGHT_GREY
    # Concentration
    text "Concentration -", :style => :bold
    move_down 2
    #concentration options
    fill_color BLACK
    if @concentration_options
      table @concentration_options,
        :position           =>  :left,
        :width              =>  (LEFT_COL_WIDTH-20),
        :row_colors         =>  [WHITE, LIGHT_BLUE],
        :vertical_padding   =>  3,
        :horizontal_padding =>  3,
        :font_size          =>  9
      move_down 10
    end
    if !@drug_record.section_blank?(:concentration)
      table @concentration_data,
        :position           =>  :left,
        :width              =>  LEFT_COL_WIDTH,
        :headers            =>  ["hard min", "soft min", "soft max", "hard max"],
        :align              =>  { 0 => :center, 1 => :center, 2 => :center, 3 => :center },
        :column_widths      =>  { 0 => 50, 1 => 50, 2 => 50, 3 => 50 },
        :header_text_color  =>  HARD_GREEN,
        :row_colors         =>  [WHITE, LIGHT_BLUE],
        :vertical_padding   =>  3,
        :horizontal_padding =>  3,
        :font_size          =>  9
    end

    move_down 10
    # Duration
    fill_color LIGHT_GREY
    text "Duration -", :style => :bold
    if !@drug_record.section_blank?(:duration)
       fill_color BLACK
       table @duration_data,
         :position           =>  :left,
         :width              =>  LEFT_COL_WIDTH,
         :headers            =>  ["hard min", "soft min", "soft max", "hard max", "initial"],
         :align              =>  { 0 => :center, 1 => :center, 2 => :center, 3 => :center, 4 => :center },
         :column_widths      =>  { 0 => 50, 1 => 50, 2 => 50, 3 => 50, 4 => 50 },
         :header_text_color  =>  HARD_GREEN,
         :row_colors         =>  [WHITE, LIGHT_BLUE],
         :vertical_padding   =>  3,
         :horizontal_padding =>  3,
         :font_size          =>  9
    end
    
    fill_color LIGHT_GREY
    if !@drug_record.section_blank?(:bolus_administration_rate)
      move_down 10
      # Bolus
      text "Bolus Administration Rate -", :style => :bold
      fill_color BLACK
       table @bolus_data,
         :position           =>  :left,
         :width              =>  LEFT_COL_WIDTH,
         :headers            =>  ["hard min", "soft min", "soft max", "hard max", "initial"],
         :align              => { 0 => :center, 1 => :center, 2 => :center, 3 => :center, 4 => :center },
         :column_widths      => { 0 => 50, 1 => 50, 2 => 50, 3 => 50, 4 => 50 },
         :header_text_color  =>  HARD_GREEN,
         :row_colors         =>  [WHITE, LIGHT_BLUE],
         :vertical_padding   =>  3,
         :horizontal_padding =>  3,
         :font_size          =>  9
    end
    move_down 10
    fill_color LIGHT_GREY
    # custom fields
    text "Custom Fields -", :style => :bold
    fill_color BLACK
    if @custom_fields_with_custom_section && @custom_fields_with_custom_section.first
      move_down 10
      fill_color LIGHT_GREY
      text "with custom section"
      fill_color BLACK
      table @custom_fields_with_custom_section,
       :position           =>  :left,
       :width              =>  LEFT_COL_WIDTH,
       :headers            =>  [ "section name", "custom field name", "value" ],
       :align              => { 0 => :center, 1 => :center, 2 => :center },
       :column_widths      => { 0 => 80, 1 => 100, 2 => 145 },
       :header_text_color  =>  HARD_GREEN,
       :row_colors         =>  [WHITE, LIGHT_BLUE],
       :vertical_padding   =>  3,
       :horizontal_padding =>  3,
       :font_size          =>  9
    end
    if @custom_fields_no_section && @custom_fields_no_section.first
      move_down 10
      fill_color LIGHT_GREY
      text "no custom section"
      fill_color BLACK
      table @custom_fields_no_section,
       :position           =>  :left,
       :width              =>  LEFT_COL_WIDTH,
       :headers            =>  [ "custom field name", "value" ],
       :align              => { 0 => :center, 1 => :center },
       :column_widths      => { 0 => 110, 1 => 215 },
       :header_text_color  =>  HARD_GREEN,
       :row_colors         =>  [WHITE, LIGHT_BLUE],
       :vertical_padding   =>  3,
       :horizontal_padding =>  3,
       :font_size          =>  9
    end
    
    fill_color BLACK
    #add notes
    bounding_box([330, (585-@alert_vertical_offset)], :width => RIGHT_COL_WIDTH) do
      if @drug_record.notes
        table [[@drug_record.notes]],
        :row_colors         =>  [WHITE, LIGHT_BLUE],
        :headers            =>  ["notes"],
        :header_text_color  =>  HARD_GREEN,
        :width              =>  RIGHT_COL_WIDTH,
        :font_size          =>  9,
        :border_width       =>  0.5
        move_down 10
      end
      if @drug_record.clinical_advisory
        table [[@drug_record.clinical_advisory]],
        :row_colors         =>  [WHITE, LIGHT_BLUE],
        :headers            =>  ["clinical advisory"],
        :header_text_color  =>  HARD_GREEN,
        :width              =>  RIGHT_COL_WIDTH,
        :font_size          =>  9,
        :border_width       =>  0.5
        move_down 10
      end
      if @drug_record.dosing_adjustment_information
        table [[@drug_record.dosing_adjustment_information]],
        :row_colors         =>  [WHITE, LIGHT_BLUE],
        :headers            =>  ["dosing adjustment information"],
        :header_text_color  =>  HARD_GREEN,
        :width              =>  RIGHT_COL_WIDTH,
        :font_size          =>  9,
        :border_width       =>  0.5
      end
    end
    # add timestamp footer
    move_down 20
    bounding_box([5,10], :width => 300) do
      text "#{Time.now.to_s(:pap_mdy_at_hm)}", :size => 9
    end
  end
  
  def to_pdf
    render
  end
  
  def get_units
    @concentration_unit = @drug_record.concentration_unit ? @drug_record.concentration_unit.abbreviation : ""
    @bolus_unit = @drug_record.bolus_administration_rate_unit ? @drug_record.bolus_administration_rate_unit.abbreviation : ""
    @dosing_unit = @drug_record.dosing_unit ? @drug_record.dosing_unit.abbreviation : ""
    @dosing_cumulative_max_unit = @drug_record.dosing_cumulative_max_unit ? @drug_record.dosing_cumulative_max_unit.abbreviation : ""
    @duration_unit = @drug_record.duration_unit ? @drug_record.duration_unit.abbreviation : ""
  end
  
  def get_data
    if @drug_record.concentration_options_quantity
      concentration_options = @drug_record.concentration_options_quantity + " " + @drug_record.concentration_unit.abbreviation
    end
    if @drug_record.prime_a_pump?
      custom_mixture_options = @drug_record.custom_mixture_options
    end
    @concentration_options = [["mixture options:"                                 ], 
                              [custom_mixture_options ? custom_mixture_options : "" ], 
                              ["final concentration options:"                     ], 
                              [concentration_options ? concentration_options : "" ]] unless (!concentration_options && !custom_mixture_options)
    @concentration_data    = [[@drug_record.concentration_hard_min_quantity ? "#{number_with_delimiter(@drug_record.concentration_hard_min_quantity, 
                               :delimiter => ',')}\n#{@concentration_unit}" : "", 
                               @drug_record.concentration_soft_min_quantity ? "#{number_with_delimiter(@drug_record.concentration_soft_min_quantity, 
                               :delimiter => ',')}\n#{@concentration_unit}" : "",
                               @drug_record.concentration_soft_max_quantity ? "#{number_with_delimiter(@drug_record.concentration_soft_max_quantity, 
                               :delimiter => ',')}\n#{@concentration_unit}" : "",
                               @drug_record.concentration_hard_max_quantity ? "#{number_with_delimiter(@drug_record.concentration_hard_max_quantity, 
                               :delimiter => ',')}\n#{@concentration_unit}" : ""]]
    @dosing_data           = [[@drug_record.dosing_hard_min_quantity ? "#{number_with_delimiter(@drug_record.dosing_hard_min_quantity, :delimiter => ',')}\n#{@dosing_unit}" : "",
                               @drug_record.dosing_soft_min_quantity ? "#{number_with_delimiter(@drug_record.dosing_soft_min_quantity, :delimiter => ',')}\n#{@dosing_unit}" : "",
                               @drug_record.dosing_soft_max_quantity ? "#{number_with_delimiter(@drug_record.dosing_soft_max_quantity, :delimiter => ',')}\n#{@dosing_unit}" : "",
                               @drug_record.dosing_hard_max_quantity ? "#{number_with_delimiter(@drug_record.dosing_hard_max_quantity, :delimiter => ',')}\n#{@dosing_unit}" : "",
                               @drug_record.dosing_initial_quantity ? "#{number_with_delimiter(@drug_record.dosing_initial_quantity, :delimiter => ',')}\n#{@dosing_unit}" : "",
                               @drug_record.dosing_cumulative_max_quantity ? "#{number_with_delimiter(@drug_record.dosing_cumulative_max_quantity, :delimiter => ',')}\n#{@dosing_cumulative_max_unit}" : ""]]
    @bolus_data  = [[@drug_record.bolus_administration_rate_hard_min_quantity ? "#{number_with_delimiter(@drug_record.bolus_administration_rate_hard_min_quantity, 
                     :delimiter => ',')}\n#{@bolus_unit}" : "",
                    @drug_record.bolus_administration_rate_soft_min_quantity ? "#{number_with_delimiter(@drug_record.bolus_administration_rate_soft_min_quantity, 
                    :delimiter => ',')}\n#{@bolus_unit}" : "",
                    @drug_record.bolus_administration_rate_soft_max_quantity ? "#{number_with_delimiter(@drug_record.bolus_administration_rate_soft_max_quantity, 
                    :delimiter => ',')}\n#{@bolus_unit}" : "",
                    @drug_record.bolus_administration_rate_hard_max_quantity ? "#{number_with_delimiter(@drug_record.bolus_administration_rate_hard_max_quantity, 
                    :delimiter => ',')}\n#{@bolus_unit}" : "",
                    @drug_record.bolus_administration_rate_initial_quantity ? "#{number_with_delimiter(@drug_record.bolus_administration_rate_initial_quantity, 
                    :delimiter => ',')}\n#{@bolus_unit}" : ""]]
    @duration_data         = [[@drug_record.duration_hard_min_quantity ? "#{number_with_delimiter(@drug_record.duration_hard_min_quantity, 
                               :delimiter => ',')}\n#{@duration_unit}" : "",
                               @drug_record.duration_soft_min_quantity ? "#{number_with_delimiter(@drug_record.duration_soft_min_quantity, 
                               :delimiter => ',')}\n#{@duration_unit}" : "",
                               @drug_record.duration_soft_max_quantity ? "#{number_with_delimiter(@drug_record.duration_soft_max_quantity, 
                               :delimiter => ',')}\n#{@duration_unit}" : "",
                               @drug_record.duration_hard_max_quantity ? "#{number_with_delimiter(@drug_record.duration_hard_max_quantity, 
                               :delimiter => ',')}\n#{@duration_unit}" : "",
                               @drug_record.duration_initial_quantity ? "#{number_with_delimiter(@drug_record.duration_initial_quantity, 
                               :delimiter => ',')}\n#{@duration_unit}" : ""]]
    @custom_fields         = []
    if @drug_record.prime_a_pump?
      @drug_name_data =        [["#{@drug_record.full_drug_name} : #{@drug_record.care_area.name}"]]
      @header_data =           [[@drug_record.full_population_name, 
                                 @drug_record.drug_class.name, 
                                 @drug_record.indication.readable_indication]]
      @report_headers =        ["Population", "Classification", "Indication"]
      @header_column_widths =  { 0 => 200, 1 => 150, 2 => 150 }
    else
      @drug_name_data =        [["#{@drug_record.record_label} : #{@drug_record.care_area.name}"]]
      @header_data =           [[@drug_record.full_drug_name,
                                 @drug_record.full_population_name, 
                                 @drug_record.drug_class.name, 
                                 @drug_record.indication.readable_indication]]
      @report_headers =        ["Drug Name", "Population", "Classification", "Indication"]
      @header_column_widths =  { 0 => 100, 1 => 180, 2 => 140, 3 => 140 }
    end
    @delivery_method_data =  [[@drug_record.full_delivery_method_name, 
                               "Version #{@drug_record.version}, #{@drug_record.created_at.to_date}"]]
    @alert_vertical_offset = @drug_record.safety_alerts.any?{|x| x.alert_text.to_s.size>1200} ? 80 : 0
    if @drug_record.safety_alerts.last
      @drug_record.safety_alerts.each {|each_alert| @alert_vertical_offset += VERTICAL_OFFSET }
      @alert_data =         [[@drug_record.safety_alerts.map {|alert| "#{alert.kind.name} Alert: #{alert.text_without_newlines}"}.join("\n\n")]] 
    end
    
    if @drug_record.custom_fields.first
      @custom_field_sections = []
      @custom_fields_no_section = []
      @custom_fields_with_custom_section = []
      #collect custom field sections
      @drug_record.custom_fields.each do |custom_field|
        if custom_field.attribute_format.drug_record_section_id
          @custom_field_sections << DrugRecordSection.find(custom_field.attribute_format.drug_record_section_id)
        end
      end
      @custom_field_sections.uniq!
      #cycle custom field sections and add field values
      @custom_field_sections.each do |section|
        @drug_record.custom_fields.each do |custom_field|
          if custom_field.attribute_format.drug_record_section_id && custom_field.attribute_format.drug_record_section_id == section.id
            @custom_fields_with_custom_section << [section.name, custom_field.attribute_format.name, custom_field.string_value]
          end
        end
      end
      #collect non-custom field sections
      @drug_record.custom_fields.each do |custom_field|
        if !custom_field.attribute_format.drug_record_section_id
          @custom_fields_no_section << [ custom_field.attribute_format.name, custom_field.string_value ]
        end
      end
    end
  end
end