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September 24, 2018 19:07
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import UIKit | |
final class ImageManager { | |
func getImage(with path: String, completion: @escaping (UIImage?) -> Void) { | |
let completionOnMainThread = { result in | |
DispatchQueue.main.async { | |
completion(result) | |
} | |
} | |
guard let url = URL(string: "https://image.tmdb.org/t/p/w1280/\(path)") 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 | |
} | |
completionOnMainThread(UIImage(data: data)) | |
} | |
task.resume() | |
} | |
} |
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