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Amplify+Kingfisher
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import Amplify | |
//import AmplifyExtensions | |
import struct Kingfisher.KFImage | |
import SwiftUI | |
struct ContentView: View { | |
var body: some View { | |
VStack { | |
Button(action: onFileUpload) { | |
Text("Upload file") | |
} | |
Spacer() | |
KFImage(source: .amplify(key: "megadeth.jpeg")) | |
}.padding() | |
} | |
func onFileUpload() { | |
let filePath = Bundle.main.path(forResource: "megadeth", ofType: "jpeg") | |
let file = URL(fileURLWithPath: filePath!) | |
let start = DispatchTime.now() | |
_ = Amplify.Storage.uploadFile(key: "megadeth.jpeg", local: file) { | |
switch $0 { | |
case .success: | |
let elapsed = DispatchTime.now().uptimeNanoseconds - start.uptimeNanoseconds | |
print("-------------------") | |
print("Upload done. It took \(elapsed / 1_000_000) ms") | |
case .failure(let error): | |
print("-------------------") | |
print("Upload failed!") | |
print(error) | |
} | |
} | |
} | |
} | |
struct ContentView_Previews: PreviewProvider { | |
static var previews: some View { | |
ContentView() | |
} | |
} |
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#if canImport(Amplify) && canImport(Kingfisher) | |
import Amplify | |
import Kingfisher | |
/// `ImageDataProvider` implementation that loads images using `Amplify.Storage`. | |
public struct AmplifyImageProvider: ImageDataProvider { | |
public let key: String | |
public let accessLevel: StorageAccessLevel | |
public var cacheKey: String { | |
"\(accessLevel.rawValue)/\(key)" | |
} | |
public func data(handler: @escaping (Result<Data, Error>) -> Void) { | |
Amplify.Logging.verbose(""" | |
Kingfisher will load an image using Amplify.Storage with key \(cacheKey) and access level \(accessLevel) | |
""") | |
let options = StorageDownloadDataRequest.Options(accessLevel: accessLevel) | |
_ = Amplify.Storage.downloadData(key: key, options: options) { result in | |
switch result { | |
case .success(let data): | |
Amplify.Logging.verbose("Success loading image data for Kingfisher using Amplify.Storage") | |
handler(.success(data)) | |
case .failure(let error): | |
Amplify.Logging.error(error: error) | |
handler(.failure(error)) | |
} | |
} | |
} | |
} | |
extension Source { | |
/// Returns a `.provider(ImageDataProvider)` setup with the Amplify integration. | |
/// | |
/// UIKit example: | |
/// | |
/// ```swift | |
/// let imageView = ImageView() | |
/// imageView.kf.setImage(with: .amplify(key: "myimage", accessLevel: .guest)) | |
/// ``` | |
/// | |
/// SwiftUI example: | |
/// | |
/// ```swift | |
/// VStack { | |
/// KFImage(source: .amplify(key: "myimage", accessLevel: .guest)) | |
/// } | |
/// ``` | |
/// | |
/// - Parameters | |
/// - key: the stored image identifier. | |
/// - accessLevel: the access level (defaults to `.guest`) | |
/// - Returns: `.provider(ImageDataProvider)` using `AmplifyImageProvider` | |
public static func amplify(key: String, accessLevel: StorageAccessLevel = .guest) -> Source { | |
return .provider(AmplifyImageProvider(key: key, accessLevel: accessLevel)) | |
} | |
} | |
#endif |
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This is till not 100% accurate, since on
private
andprotected
access the user id needs to be part of the path: