code: public String mkCSVProduct(OMDBProduct p, OMDBMediaType t) {
  		
  		
  		
  		if (t.equals(OMDBMediaType.MOVIE))
  			return mkCSVProductMovie(p) ;
  		if (t.equals(OMDBMediaType.SERIES))
  			return mkCSVProductSerie(p) ;
  		if (t.equals(OMDBMediaType.EPISODE))
  			return mkCSVProductEpisode(p);
  		
  		return null;
  	}
docs: A CSV representation of "Product" (in fact a CSV line)
  the CSV representation depends on OMDB type
  @param p
  @param t
  @return