yattee/Model/ThumbnailsModel.swift

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Swift
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import Foundation
final class ThumbnailsModel: ObservableObject {
@Published var unloadable = Set<URL>()
func insertUnloadable(_ url: URL) {
unloadable.insert(url)
}
func isUnloadable(_ url: URL!) -> Bool {
guard !url.isNil else {
return true
}
return unloadable.contains(url)
}
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func best(_ video: Video) -> URL? {
let qualities = [Thumbnail.Quality.default]
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for quality in qualities {
let url = video.thumbnailURL(quality: quality)
if !isUnloadable(url) {
return url
}
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}
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return nil
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}
}