46 lines
1.2 KiB
Swift
46 lines
1.2 KiB
Swift
|
//
|
||
|
|
// https://mczachurski.dev
|
||
|
|
// Copyright © 2023 Marcin Czachurski and the repository contributors.
|
||
|
|
// Licensed under the Apache License 2.0.
|
||
|
|
//
|
||
|
|
|
||
|
|
import Foundation
|
||
|
|
import UIKit
|
||
|
|
|
||
|
|
public class FileFetcher {
|
||
|
|
public static let shared = FileFetcher()
|
||
|
|
private init() { }
|
||
|
|
|
||
|
|
private let maxImageSize = 1000.0
|
||
|
|
|
||
|
|
public func getImage(url: URL?) async -> UIImage? {
|
||
|
|
guard let url else {
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
do {
|
||
|
|
let (data, response) = try await URLSession.shared.data(from: url)
|
||
|
|
|
||
|
|
guard (response as? HTTPURLResponse)?.status?.responseType == .success else {
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
guard let uiImage = UIImage(data: data) else {
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
if uiImage.size.width < self.maxImageSize && uiImage.size.height < self.maxImageSize {
|
||
|
|
return uiImage
|
||
|
|
}
|
||
|
|
|
||
|
|
if uiImage.size.width > uiImage.size.height {
|
||
|
|
return uiImage.resized(toWidth: self.maxImageSize)
|
||
|
|
} else {
|
||
|
|
return uiImage.resized(toHeight: self.maxImageSize)
|
||
|
|
}
|
||
|
|
} catch {
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|