Hands-On Server-Side Web Development with Swift

Implementing the delete operation

The delete method is similar to the update method by matching with an existing entry. Once found, you'll call delete(on:) to remove it the item from the database:

func removeEntry(_ req: Request) throws -> Future<Response> {    let id = try req.parameters.next(Int.self)    return JournalEntry.find(id, on: req).flatMap { entry in        guard let entry = entry else { throw Abort(.notFound) }        return entry.delete(on: req).transform(to: req.redirect(to: self.mainPage))    }}

After an entry is successfully deleted, the user will be redirected to the application's main screen.