magla 
var t = db.products.find();
t.forEach(function( aRow ) {
    var counter = 0;
    aRow.reviews.forEach( function( aReview ){
        if (aReview.score == 5.0){		// promijeni ‘== 5.0’ ovisno o ocjeni 
            counter = counter + 1;
        }
    } )
    db.products.update(
        { id: aRow.id }, 
        { “$set”: { “reviewStats.reviewScoreDistrib.5”: counter } }	// promijeni ‘reviewScoreDistrib.5’ ovisno o ocjeni 
    );
});
ovo je radilo, ali nije nesto prelijepo haha