-
-
Save romanroibu/089ec641757604bf78a390654c437cb0 to your computer and use it in GitHub Desktop.
Swift Decodable With Multiple Custom Dates (https://useyourloaf.com/blog/swift-codable-with-custom-dates)
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import Foundation | |
| extension DateFormatter { | |
| static let iso8601Full: DateFormatter = { | |
| let formatter = DateFormatter() | |
| formatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ss.SSSZZZZZ" | |
| formatter.calendar = Calendar(identifier: .iso8601) | |
| formatter.timeZone = TimeZone(secondsFromGMT: 0) | |
| formatter.locale = Locale(identifier: "en_US_POSIX") | |
| return formatter | |
| }() | |
| static let yyyyMMdd: DateFormatter = { | |
| let formatter = DateFormatter() | |
| formatter.dateFormat = "yyyy-MM-dd" | |
| formatter.calendar = Calendar(identifier: .iso8601) | |
| formatter.timeZone = TimeZone(secondsFromGMT: 0) | |
| formatter.locale = Locale(identifier: "en_US_POSIX") | |
| return formatter | |
| }() | |
| } | |
| public struct RSSFeed: Codable { | |
| public struct Feed: Codable { | |
| public struct Podcast: Codable { | |
| public let name: String | |
| public let artistName: String | |
| public let url: URL | |
| public let releaseDate: Date | |
| } | |
| public let title: String | |
| public let country: String | |
| public let updated: Date | |
| public let podcasts: [Podcast] | |
| private enum CodingKeys: String, CodingKey { | |
| case title | |
| case country | |
| case updated | |
| case podcasts = "results" | |
| } | |
| } | |
| public let feed: Feed | |
| } | |
| typealias Feed = RSSFeed.Feed | |
| typealias Podcast = Feed.Podcast | |
| extension Podcast { | |
| public init(from decoder: Decoder) throws { | |
| let container = try decoder.container(keyedBy: CodingKeys.self) | |
| name = try container.decode(String.self, forKey: .name) | |
| artistName = try container.decode(String.self, forKey: .artistName) | |
| url = try container.decode(URL.self, forKey: .url) | |
| let dateString = try container.decode(String.self, forKey: .releaseDate) | |
| let formatter = DateFormatter.yyyyMMdd | |
| if let date = formatter.date(from: dateString) { | |
| releaseDate = date | |
| } else { | |
| throw DecodingError.dataCorruptedError(forKey: .releaseDate, in: container, debugDescription: "Date string does not match format expected by formatter.") | |
| } | |
| } | |
| } | |
| let json = """ | |
| { | |
| "feed": { | |
| "title":"Top Audio Podcasts", | |
| "country":"gb", | |
| "updated":"2017-11-16T02:02:55.000-08:00", | |
| "results":[ | |
| { | |
| "artistName":"BBC Radio", | |
| "name":"Blue Planet II: The Podcast", | |
| "releaseDate":"2017-11-12", | |
| "url":"https://itunes.apple.com/gb/podcast/blue-planet-ii-the-podcast/id1296222557?mt=2" | |
| }, | |
| { | |
| "artistName":"Audible", | |
| "name":"The Butterfly Effect with Jon Ronson", | |
| "releaseDate":"2017-11-03", | |
| "url":"https://itunes.apple.com/gb/podcast/the-butterfly-effect-with-jon-ronson/id1258779354?mt=2" | |
| }, | |
| { | |
| "artistName":"TED", | |
| "name":"TED Talks Daily", | |
| "releaseDate":"2017-11-16", | |
| "url":"https://itunes.apple.com/gb/podcast/ted-talks-daily/id160904630?mt=2" | |
| } | |
| ] | |
| } | |
| } | |
| """ | |
| let data = Data(json.utf8) | |
| let decoder = JSONDecoder() | |
| decoder.dateDecodingStrategy = .formatted(DateFormatter.iso8601Full) | |
| let rssFeed = try! decoder.decode(RSSFeed.self, from: data) | |
| let feed = rssFeed.feed | |
| print(feed.title, feed.country, feed.updated) | |
| feed.podcasts.forEach { | |
| print($0.name) | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
nice, i like the changes from the blog post's version