Class: Facsimile

Inherits:
Object
  • Object
show all
Includes:
Logging
Defined in:
lib/facsimile.rb

Defined Under Namespace

Classes: BadContent, Error, NoContentFound, NoPhoneNumberFound

Constant Summary collapse

Width = 
1728
Height = 
2156

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Logging

#log

Constructor Details

#initialize(source) ⇒ Facsimile

Returns a new instance of Facsimile.



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# File 'lib/facsimile.rb', line 17

def initialize(source)
  if source.is_a?(IO)
    @mail = Mail.new(source.read)
  else
    @mail = Mail.read(source)
  end
  @frames = Magick::ImageList.new
  @tempfiles = []
end

Instance Attribute Details

#frames ⇒ Object (readonly)

Returns the value of attribute frames.



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# File 'lib/facsimile.rb', line 14

def frames
  @frames
end

#mail ⇒ Object (readonly)

Returns the value of attribute mail.



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# File 'lib/facsimile.rb', line 15

def mail
  @mail
end

Instance Method Details

#callfile_name ⇒ Object 



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# File 'lib/facsimile.rb', line 88

def callfile_name
  "#{id}.call"
end

#filename ⇒ Object 



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# File 'lib/facsimile.rb', line 84

def filename
  "#{id}.tiff"
end

#id ⇒ Object 



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# File 'lib/facsimile.rb', line 92

def id
  unless mail.has_message_id?
    mail.add_message_id("#{Time.now.iso8601}-#{Process.pid}")
  end
  mail.message_id
end

#number ⇒ Object 



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# File 'lib/facsimile.rb', line 27

def number
  n = mail.header['X-Original-To'].andand.to_s || mail.to.andand.first
  if n.present? && n.to_s =~ /^(\d{5,})/
    return $1
  else
    raise NoPhoneNumberFound, "could not find any phone number"
  end
end

#render ⇒ Object

memoize :number



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# File 'lib/facsimile.rb', line 38

def render

  if mail.multipart?

    mail.parts.each do |part|
      case part.content_type
      when %r'text/plain'
        add_frames text2tiff( part.decoded )
      when %r'opendocument\.text'
        add_frames oo2tiff( part.decoded )
      when %r'openxmlformats-officedocument' # docx, xlsx
        add_frames oo2tiff( part.decoded, part.filename )
      when %r'application/pdf'
        add_frames pdfdata2tiff( part.decoded )
      when %r'text/html'
        # FIXME ignore html, let's hope a plain text contained everything important
      when %r'multipart/alternative'
        # ignore this, stupid outlook
      else
        log "unsupported content type: #{part.content_type}"
      end
    end

  else

    unless mail.body.decoded.blank?
      text2tiff( mail.body.decoded ).each do |tiff|
        frames << tiff
      end
    end

  end

end

#write(path) ⇒ Object

Raises:



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# File 'lib/facsimile.rb', line 73

def write(path)
  render
  raise NoContentFound if frames.empty?
  path = File.expand_path path
  log("writing facsimile to #{path}")
  path += '.tiff' unless path.ends_with?('.tiff')
  dir = File.dirname path
  FileUtils.mkdir_p(dir) unless File.directory?(dir)
  frames.write(path)
end