Class: Jetel::Modules::Wifileaks

Inherits:
Module
  • Object
show all
Defined in:
lib/jetel/modules/wifileaks/wifileaks.rb

Instance Attribute Summary

Attributes inherited from Module

#downloader

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Module

#download_dir, download_dir, #download_source, downloaded_file, #downloaded_file, extract_dir, #extract_dir, extracted_file, #extracted_file, #initialize, #sources, target_dir, #target_dir, #transform_dir, transform_dir, transformed_file, #transformed_file, #unzip

Constructor Details

This class inherits a constructor from Jetel::Modules::Module

Class Method Details

.sources ⇒ Object 



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# File 'lib/jetel/modules/wifileaks/wifileaks.rb', line 33

def sources
  [
    {
      name: 'wifileaks',
      url: 'http://download.wifileaks.cz/data/wifileaks_150709.tsv'
    }
  ]
end

Instance Method Details

#download(global_options, options, args) ⇒ Object 



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# File 'lib/jetel/modules/wifileaks/wifileaks.rb', line 43

def download(global_options, options, args)
  self.class.sources.pmap do |source|
    download_source(source, global_options.merge(options))
  end
end

#extract(global_options, options, args) ⇒ Object 



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# File 'lib/jetel/modules/wifileaks/wifileaks.rb', line 49

def extract(global_options, options, args)
  self.class.sources.pmap do |source|
    downloaded_file = downloaded_file(source, global_options.merge(options))
    dest_dir = extract_dir(source, global_options.merge(options))

    puts "Extracting #{downloaded_file}"

    FileUtils.mkdir_p(dest_dir)
    FileUtils.cp(downloaded_file, dest_dir)
  end
end

#load(global_options, options, args) ⇒ Object 



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# File 'lib/jetel/modules/wifileaks/wifileaks.rb', line 92

def load(global_options, options, args)
  res = super(global_options, options.merge({:delimiter => "\t"}), args)
  res
end

#transform(global_options, options, args) ⇒ Object 



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# File 'lib/jetel/modules/wifileaks/wifileaks.rb', line 61

def transform(global_options, options, args)
  self.class.sources.pmap do |source|
    opts = global_options.merge(options)

    extracted_file = extracted_file(source, opts)
    transformed_file = transformed_file(source, opts)

    puts "Transforming #{extracted_file}"

    headers = %w(
      MAC
      SSID
      security
      latitude
      longitude
      altitude
      updated_at
    )

    File.open(extracted_file, 'r') do |file_in|
      File.open(transformed_file, 'w') do |file_out|
        file_out.puts(headers.join("\t"))
        file_in.each do |line|
          next if line == "\n"
          file_out.puts(line.chomp)
        end
      end
    end
  end
end