jamigibbs/feeditem-soql-query.cls

## feeditem-soql-query.cls
feedItemsList = [
  SELECT Id, Body, Title, Parent.Name, CreatedDate
  TYPEOF InsertedBy WHEN User THEN Name, MediumPhotoUrl END
  FROM FeedItem
  WHERE CreatedDate = LAST_N_DAYS:30
  ORDER BY CreatedDate DESC
];
	feedItemsList = [
	SELECT Id, Body, Title, Parent.Name, CreatedDate
	TYPEOF InsertedBy WHEN User THEN Name, MediumPhotoUrl END
	FROM FeedItem
	WHERE CreatedDate = LAST_N_DAYS:30
	ORDER BY CreatedDate DESC
	];