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final class MovieManager {
func getDiscoverMovies(_ completion: @escaping (Page<Movie>?) -> Void) {
let completionOnMainThread = { result in
DispatchQueue.main.async {
completion(result)
}
}
guard let url = URL(string: "https://api.themoviedb.org/3/discover/movie?api_key=1a6eb1225335bbb37278527537d28a5d") else {
completion(nil)
return
}
let task = URLSession.shared.dataTask(with: url) { (data, response, error) in
if error != nil {
completionOnMainThread(nil)
return
}
guard let response = response as? HTTPURLResponse else {
completionOnMainThread(nil)
return
}
guard response.statusCode == 200 || response.statusCode == 304 else {
completionOnMainThread(nil)
return
}
guard let data = data else {
completionOnMainThread(nil)
return
}
do {
let model = try JSONDecoder().decode(Page<Movie>.self, from: data)
completionOnMainThread(model)
} catch {
completionOnMainThread(nil)
}
}
task.resume()
}
}
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