module CSVHandlers

# File lib/linsc/csv_handlers.rb, line 14
def append_to_csv(file, row)
  tries = 10
  begin
    f = CSV.open(file, "a+", headers: row.headers, force_quotes: true)
    f << row
    f.close
  rescue
    tries -= 1
    if tries > 0
      retry
    else
      puts "Unable to write to file #{file}"
      puts "Make sure the file exists and is not open in any other programs and try again. If that does not work try restarting your computer, or restarting the project with the -r flag."
      exit
    end
  end
end

# File lib/linsc/csv_handlers.rb, line 32
def create_file(f)
  unless File.exist?(f)
    FileUtils.touch(f)
    csv = CSV.open(f, "w+")
    csv << @headers.collect {|x| x && x.encode('utf-8')}
    csv.close
  end
end

# File lib/linsc/csv_handlers.rb, line 41
def create_file_with_headers(f, headers)
  unless File.exist?(f)
    FileUtils.touch(f)
    csv = CSV.open(f, "w+")
    csv << headers.collect {|x| x && x.encode('utf-8')}
    csv.close
  end
end

# File lib/linsc/csv_handlers.rb, line 2
def create_row(row, headers, encoding = nil)
  values = []
  headers.each do |header|
    if encoding
      values << row[header].encode(encoding) if row[header]
    else
      values << row[header]
    end
  end
  CSV::Row.new(headers, values)
end

# File lib/linsc/csv_handlers.rb, line 50
def get_headers(file)
  CSV.open(file, headers: true, return_headers: true).shift.headers
end