Class: SheetData

Inherits:
Object
  • Object
show all
Extended by:
BasicLogging
Defined in:
lib/sheetdata.rb

Constant Summary collapse

@@file = 
nil
@@workbook = 
nil

Constants included from BasicLogging

BasicLogging::DEBUG, BasicLogging::ERROR, BasicLogging::FATAL, BasicLogging::INFO, BasicLogging::Levels, BasicLogging::UNKNOWN, BasicLogging::WARN

Instance Attribute Summary

Attributes included from BasicLogging

#log_level, #target

Class Method Summary collapse

Methods included from BasicLogging

is_muted?, log, mute, set_level, set_level, set_target, set_target

Class Method Details

.workbook(file) ⇒ Object 



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# File 'lib/sheetdata.rb', line 46

def self::workbook(file)
  @@file = file
  if !@@workbook
    begin
      fm = FileMagic.mime
      mtype = fm.fd(File.new(file) ).split(';')[0]
      fm = FileMagic.fm
      magic = fm.fd(File.new(file) ).split(';')[0]
      @@workbook = case mtype
                   when ODS_MIME 
                     debug('ODS')
                     Roo::Spreadsheet::open(@@file, extension: :ods ) 
                   when (XLS_MIME) 
                     debug('XLS')
                     Roo::Spreadsheet::open(@@file, extension: :xls ) 
                   when XLSX_MIME, PMDX_MIME
                     debug('XLSX')
                     Roo::Spreadsheet::open(@@file, extension: :xlsx ) 
                   when CSV_MIME
                     raise IOError.new('CSV is not yet supported, sorry')
                   else
                     raise IOError.new('Mime-Type is ' << mtype << ' and Magic sais: ' << magic << ". Is this supposed to be a spreadsheet?")
                   end
    rescue Exception => ex
      msg = 'ERROR! File %s is not supported: %s' %[@@file, ex.message]  
      puts msg
      error yellow(msg)
      exit false
    end			

    return @@workbook
  end
end