| final class User: Model { | |
| init(node: Node, in context: Context) throws { | |
| id = try node.extract("_id") // Trick for MongoDB database | |
| name = try node.extract("name") | |
| score = try node.extract("score") | |
| } | |
| func makeNode(context: Context) throws -> Node { | |
| return try Node(node: [ | |
| "_id": id, // Trick for MongoDB database |
| final class User: Model { | |
| let storage = Storage() | |
| var name: String | |
| var score: Int | |
| init(row: Row) throws { | |
| name = try row.get("name") | |
| score = try row.get("score") | |
| } | |
| func makeRow() throws -> Row { |
| extension User: JSONRepresentable { | |
| func makeJSON() throws -> JSON { | |
| var json = JSON() | |
| try json.set("id", id?.string) | |
| try json.set("name", name) | |
| try json.set("score", score) | |
| return json | |
| } | |
| } |
| class OurCoolCollection: RouteCollection { | |
| typealias Wrapped = HTTP.Responder | |
| func build<Builder: RouteBuilder>(_ builder: Builder) where Builder.Value == Responder { ... } | |
| } |
| class OurCoolCollection: RouteCollection { | |
| func build(_ builder: RouteBuilder) throws { ... } | |
| } |
https://developer.apple.com/wwdc/schedule/#/
https://developer.apple.com/download/
| import UIKit | |
| protocol ViewCustomized { | |
| func createView<T>(_ viewClass: T.Type, parentView: UIView) -> T where T: UIView, T: ViewRenderable | |
| } | |
| protocol ViewRenderable { | |
| func render() | |
| } |
| class FetchRestaurantInventoryOperation: Operation { | |
| var restaurantData: RestaurantData | |
| var networkProvider: NetworkProvider | |
| // 1 | |
| private var _executing = false { | |
| willSet { | |
| willChangeValue(forKey: "isExecuting") | |
| } | |
| didSet { |
| let url = URL(string: "https://theswiftpost.co/") | |
| if let url = url { | |
| showLoadingIndicator() // UI Operation; has to run on the main queue | |
| let task = URLSession.shared.dataTask(with: url) { (data, response, error) in | |
| if error != nil { | |
| showErrorAlert(error) // UI operation; has to run on the main queue!! | |
| } else if let data = data { | |
| debugPrint(usableData) //JSONSerialization | |
| } | |
| debugPrint(“Completed”) |
| /* I put the first DispatchQueue method intentionally to indicate that we're on | |
| the background queue. Just to support the explanation for beginner developers | |
| This is not necessary in real-life, URLSession is thread-safe. Whenever you call URLSession | |
| it'll start executing on background. */ | |
| DispatchQueue.global().async { | |
| let url = URL(string: "https://theswiftpost.co/") | |
| if let url = url { | |
| DispatchQueue.main.sync { | |
| showLoadingIndicator() // UI Operation; has to run on the main queue | |
| } |