Swift 3对核心数据的指导

Not looking for code (wouldn't hurt though) just looking to know how I should go about this. I have an app which is like a blog reader. I have information in a MYSQL database which is taken with JSON, placed in a jsonArray and then placed in an array to be shown in a table view. In that table view I generally have all my objects in 1 section. Each row/object has a button when clicked it moves that row into another section. I also have a search controller to search through the main section (Section 1).Not looking for code (wouldn't hurt though) jus