Add PhotoAsset model
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import Foundation
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/// スキャン対象の写真1枚。ファイル URL を同一性とする。
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struct PhotoAsset: Identifiable, Hashable, Sendable {
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var id: URL { url }
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let url: URL
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let fileSize: Int64
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let modificationDate: Date
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/// EXIF の撮影日時。無ければファイルの作成日。
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var captureDate: Date?
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var pixelWidth: Int
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var pixelHeight: Int
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var fileName: String { url.lastPathComponent }
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/// 画素数。代表選出の第一基準。
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var pixelCount: Int { pixelWidth * pixelHeight }
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var dimensionText: String {
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pixelWidth > 0 && pixelHeight > 0 ? "\(pixelWidth) × \(pixelHeight)" : "—"
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}
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var fileSizeText: String {
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ByteCountFormatter.string(fromByteCount: fileSize, countStyle: .file)
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}
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var captureDateText: String {
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guard let captureDate else { return "—" }
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return PhotoAsset.displayDateFormatter.string(from: captureDate)
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}
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private static let displayDateFormatter: DateFormatter = {
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let f = DateFormatter()
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f.dateStyle = .medium
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f.timeStyle = .short
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return f
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}()
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}
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