Class: Patinfo2csv::Converter

Inherits:
Object
  • Object
show all
Defined in:
lib/patinfo2csv/converter.rb

Constant Summary collapse

CHAPTERS = 
[
  :effects,
  :contra_indications,
  :pregnancy,
  :usage,
  :composition
]
DELIMITER = 
';'
WORKERS = 
2

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Converter

Returns a new instance of Converter.



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# File 'lib/patinfo2csv/converter.rb', line 18

def initialize
  @mutex = Mutex.new
  @q     = Queue.new
  @lang     = "de"
  @patinfos = []
  @codes    = []
  @rows     = {}
end

Instance Attribute Details

#codes ⇒ Object

Returns the value of attribute codes.



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# File 'lib/patinfo2csv/converter.rb', line 8

def codes
  @codes
end

#lang ⇒ Object

Returns the value of attribute lang.



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# File 'lib/patinfo2csv/converter.rb', line 8

def lang
  @lang
end

#patinfos ⇒ Object

Returns the value of attribute patinfos.



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# File 'lib/patinfo2csv/converter.rb', line 8

def patinfos
  @patinfos
end

Instance Method Details

#extract_chapters(row) ⇒ Object 



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# File 'lib/patinfo2csv/converter.rb', line 73

def extract_chapters(row)
  return nil if row['descriptions'][@lang].empty?
  desc = row['descriptions'][@lang]
  chapters = []
  CHAPTERS.each do |chapter|
    if (desc.has_key?(chapter.to_s) and !desc[chapter.to_s].nil?) and
       !desc[chapter.to_s]['sections'].nil?
      text = ''
      heading = desc[chapter.to_s]['heading']
      desc[chapter.to_s]['sections'].each do |section|
        heading = unless section['subheading'].empty?
                    section['subheading'].chomp
                  else
                    heading.chomp
                  end
        text << "<strong>#{heading}</strong><br />"
        if section.has_key?('paragraphs')
          section['paragraphs'].each do |paragraph|
            unless paragraph['text'].empty?
              text << paragraph['text'].gsub(/\r\n|\r|\n/, "<br />") + "<br />"
            end
          end
        end
      end
    else
      text = "" #empty
    end
    text.gsub!(/\<br\s\/\>$/, '')
    chapters << %Q!"#{text.chomp}"!
  end
  chapters.join(DELIMITER)
end

#to_csv ⇒ Object 



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# File 'lib/patinfo2csv/converter.rb', line 26

def to_csv
  @patinfos.each do |row|
    @q << row
  end
  Array.new(WORKERS) do
    @q << nil
    Thread.new do
      while row = @q.pop
        target = []
        next if row['article_codes'].nil?
        row['article_codes'].each do |article|
          @mutex.synchronize do
            if @codes.include?(article[:article_ean13]) # EAN
              target << article[:article_ean13]
              @codes.delete(article[:article_ean13])
            end
            #elsif @code.include?(code[:article_pcode]) # Pharmacode
            #  target << code[:article_pcode]
            #  @code.delete(code[:article_pcode])
            #end
          end
        end
        next if target.empty?
        chapters = extract_chapters(row)
        next if chapters.empty?
        target.each do |code|
          @mutex.synchronize do
            @rows[code.to_i] = [%Q!"#{code}"!, chapters].flatten.join(DELIMITER)
          end
        end
      end
    end
  end.map(&:join)
  unless @rows.empty? #header
    rows = @rows.sort_by{|k, v| k}.map{|row| row[1]}
    rows.unshift([
      "EAN",
      #"Pharmacode",
      "Effects",
      "Contra Indication",
      "Pregnancy",
      "Usage",
      "Composition"
    ].join(DELIMITER))
  end
  return rows
end