From af5287a2ad1d66cd703affc52a1262ed9e0c913f Mon Sep 17 00:00:00 2001
From: yoshikazu <yoshikazu@yfox.jp>
Date: Mon, 27 Jul 2026 15:40:30 +0000
Subject: [PATCH] Add PhotoAsset model

---
 Sources/Photochk/Models/PhotoAsset.swift | 40 ++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 Sources/Photochk/Models/PhotoAsset.swift

diff --git a/Sources/Photochk/Models/PhotoAsset.swift b/Sources/Photochk/Models/PhotoAsset.swift
new file mode 100644
index 0000000..6780d98
--- /dev/null
+++ b/Sources/Photochk/Models/PhotoAsset.swift
@@ -0,0 +1,40 @@
+import Foundation
+
+/// スキャン対象の写真1枚。ファイル URL を同一性とする。
+struct PhotoAsset: Identifiable, Hashable, Sendable {
+    var id: URL { url }
+
+    let url: URL
+    let fileSize: Int64
+    let modificationDate: Date
+
+    /// EXIF の撮影日時。無ければファイルの作成日。
+    var captureDate: Date?
+    var pixelWidth: Int
+    var pixelHeight: Int
+
+    var fileName: String { url.lastPathComponent }
+
+    /// 画素数。代表選出の第一基準。
+    var pixelCount: Int { pixelWidth * pixelHeight }
+
+    var dimensionText: String {
+        pixelWidth > 0 && pixelHeight > 0 ? "\(pixelWidth) × \(pixelHeight)" : "—"
+    }
+
+    var fileSizeText: String {
+        ByteCountFormatter.string(fromByteCount: fileSize, countStyle: .file)
+    }
+
+    var captureDateText: String {
+        guard let captureDate else { return "—" }
+        return PhotoAsset.displayDateFormatter.string(from: captureDate)
+    }
+
+    private static let displayDateFormatter: DateFormatter = {
+        let f = DateFormatter()
+        f.dateStyle = .medium
+        f.timeStyle = .short
+        return f
+    }()
+}