Provider.swift

struct Provider: TimelineProvider {
    
    let dummyData = MovieInfo(name: "Some latest movie", releaseDate: "Release Date", daysSinceRelease: 1, collection: "Collection in Cr", posterUrl: "https://popcornusa.s3.amazonaws.com/placeholder-movieimage.png")
    
    func placeholder(in context: Context) -> MovieInfoEntry {
        MovieInfoEntry(date: Date(), movieInfo: dummyData)
    }
    
    func getSnapshot(in context: Context, completion: @escaping (MovieInfoEntry) -> ()) {
        let entry = MovieInfoEntry(date: Date(), movieInfo: dummyData)
        completion(entry)
    }
    
    func getTimeline(in context: Context, completion: @escaping (Timeline<Entry>) -> ()) {
        let currentDate = Date()
        let refreshDate = Calendar.current.date(byAdding: .minute, value: 1, to: currentDate)!
        MovieInfoLoader.fetch { result in
            var movie: MovieInfo
            if case .success(let fetchedMovies) = result {
                movie = fetchedMovies.randomElement()!
            } else {
                movie = MovieInfo(name: "Some latest movie", releaseDate: "Release Date", daysSinceRelease: 1, collection: "Collection in Cr", posterUrl: "https://popcornusa.s3.amazonaws.com/placeholder-movieimage.png")
            }
            let entry = MovieInfoEntry(date: currentDate, movieInfo: movie)
            let timeline = Timeline(entries: [entry], policy: .after(refreshDate))
            completion(timeline)
        }
    }
}