汉秋
ceac8ba67e
未连接状态改为「未连接相机」；设备型号映射为可读名称而非 iPhone12,1 等内部代号；边拍边传/拍后传输按账号持久化并在下次进入时恢复。 Co-authored-by: Cursor <cursoragent@cursor.com>
312 lines
11 KiB
Swift
312 lines
11 KiB
Swift
//
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// WiredTransferPhotoStore.swift
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// suixinkan
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//
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// Created by Codex on 2026/6/29.
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//
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import Foundation
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/// 有线传图本地记录仓库，按相册与用户维度持久化到 UserDefaults。
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final class WiredTransferPhotoStore {
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private let defaults: UserDefaults
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private let accountPrefixProvider: () -> String
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private let userIDProvider: () -> String
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private static let keyPrefix = "wired_transfer_photos_"
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private static let deletedSuffix = "_deleted"
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private static let bindingsSuffix = "_photo_bindings"
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private static let transferModeKeySuffix = "wired_transfer_mode_option"
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static let modeLiveCapture = "边拍边传"
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static let modePostShootTransfer = "拍后传输"
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/// 读取缓存的传输模式选项。
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func loadTransferModeOption() -> String? {
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let value = defaults.string(forKey: transferModeKey())?
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.trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
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switch value {
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case Self.modeLiveCapture, Self.modePostShootTransfer:
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return value
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default:
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return nil
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}
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}
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/// 缓存传输模式选项。
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func saveTransferModeOption(_ option: String) {
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switch option {
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case Self.modeLiveCapture, Self.modePostShootTransfer:
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defaults.set(option, forKey: transferModeKey())
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default:
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break
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}
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}
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/// 初始化仓库，注入账号前缀与用户 ID 提供者。
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init(
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defaults: UserDefaults = .standard,
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accountPrefixProvider: @escaping () -> String,
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userIDProvider: @escaping () -> String
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) {
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self.defaults = defaults
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self.accountPrefixProvider = accountPrefixProvider
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self.userIDProvider = userIDProvider
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}
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/// 查询照片绑定的相册 ID。
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func albumID(forPhoto photoID: String) -> Int? {
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guard !photoID.isEmpty else { return nil }
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return loadBindings().first { $0.photoID == photoID }?.albumID
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}
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/// 绑定照片到相册。
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func bindPhotoToAlbum(photoID: String, albumID: Int) {
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guard !photoID.isEmpty, albumID > 0, !userIDProvider().isEmpty else { return }
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var bindings = loadBindings().filter { $0.photoID != photoID }
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bindings.append(PhotoAlbumBinding(photoID: photoID, albumID: albumID))
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saveBindings(bindings)
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}
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/// 加载已删除照片 ID。
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func loadDeletedIDs(albumID: Int) -> Set<String> {
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guard albumID > 0, !userIDProvider().isEmpty else { return [] }
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let ids = defaults.stringArray(forKey: deletedKey(albumID)) ?? []
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return Set(ids)
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}
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/// 加载相册下的传图记录。
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func load(albumID: Int) -> [WiredTransferPhotoRecord] {
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guard albumID > 0 else { return [] }
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let userID = userIDProvider()
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guard !userID.isEmpty else { return [] }
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let deletedIDs = loadDeletedIDs(albumID: albumID)
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guard let data = defaults.data(forKey: storageKey(albumID)),
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let records = try? JSONDecoder().decode([WiredTransferPhotoRecord].self, from: data)
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else { return [] }
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let filteredRecords = records.filter { record in
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!deletedIDs.contains(record.id)
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&& record.userId == userID
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&& record.albumId == albumID
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}
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let normalizedRecords = filteredRecords.map { $0.normalizeInterruptedTransfer() }
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let migratedRecords = normalizeStoredPaths(normalizedRecords, albumID: albumID)
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return migratedRecords
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.filter(\.isDisplayable)
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.sorted { $0.capturedAt > $1.capturedAt }
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.also { items in
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items.forEach { bindPhotoToAlbum(photoID: $0.id, albumID: albumID) }
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}
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}
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/// 将旧版绝对路径迁移为相对路径并回写持久化。
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private func normalizeStoredPaths(
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_ records: [WiredTransferPhotoRecord],
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albumID: Int
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) -> [WiredTransferPhotoRecord] {
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var migrated = records
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var needsPersist = false
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for index in migrated.indices {
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guard let normalized = migrated[index].withNormalizedStoredPaths(),
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normalized != migrated[index] else { continue }
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migrated[index] = normalized
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needsPersist = true
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}
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if needsPersist {
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save(albumID: albumID, records: migrated)
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}
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return migrated
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}
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/// 保存相册传图记录。
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func save(albumID: Int, records: [WiredTransferPhotoRecord]) {
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guard albumID > 0 else { return }
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let userID = userIDProvider()
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guard !userID.isEmpty else { return }
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let normalized = records
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.filter { $0.userId == userID && $0.albumId == albumID }
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.sorted { $0.capturedAt > $1.capturedAt }
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normalized.forEach { bindPhotoToAlbum(photoID: $0.id, albumID: albumID) }
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if let data = try? JSONEncoder().encode(normalized) {
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defaults.set(data, forKey: storageKey(albumID))
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}
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}
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/// 标记并移除单张照片。
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func remove(albumID: Int, photoID: String) {
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guard albumID > 0, !photoID.isEmpty else { return }
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markDeleted(albumID: albumID, photoID: photoID)
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let deletedIDs = loadDeletedIDs(albumID: albumID)
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guard let data = defaults.data(forKey: storageKey(albumID)),
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var records = try? JSONDecoder().decode([WiredTransferPhotoRecord].self, from: data)
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else { return }
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records
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.filter { $0.id == photoID && $0.userId == userIDProvider() && $0.albumId == albumID }
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.forEach { deleteRecordFiles($0) }
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records = records.filter { record in
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!deletedIDs.contains(record.id)
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&& record.userId == userIDProvider()
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&& record.albumId == albumID
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}
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save(albumID: albumID, records: records)
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}
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/// 标记照片已删除。
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func markDeleted(albumID: Int, photoID: String) {
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guard albumID > 0, !photoID.isEmpty, !userIDProvider().isEmpty else { return }
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let updated = loadDeletedIDs(albumID: albumID).union([photoID])
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defaults.set(Array(updated), forKey: deletedKey(albumID))
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}
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/// 清空相册关联的本地缓存。
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func clearAlbum(albumID: Int) -> Set<String> {
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guard albumID > 0 else { return [] }
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let userID = userIDProvider()
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guard !userID.isEmpty else { return [] }
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guard let data = defaults.data(forKey: storageKey(albumID)),
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let records = try? JSONDecoder().decode([WiredTransferPhotoRecord].self, from: data)
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else { return [] }
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let userRecords = records.filter { $0.userId == userID }
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userRecords.forEach { deleteRecordFiles($0) }
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var bindings = loadBindings().filter { $0.albumID != albumID }
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saveBindings(bindings)
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defaults.removeObject(forKey: storageKey(albumID))
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defaults.removeObject(forKey: deletedKey(albumID))
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return Set(userRecords.map(\.id))
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}
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private func deleteRecordFiles(_ record: WiredTransferPhotoRecord) {
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deleteFileIfExists(record.localPath)
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deleteFileIfExists(record.thumbnailPath)
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}
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private func deleteFileIfExists(_ path: String) {
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guard !path.isEmpty else { return }
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guard let url = CameraDownloadStorage.resolveLocalURL(from: path) else { return }
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if FileManager.default.fileExists(atPath: url.path) {
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try? FileManager.default.removeItem(at: url)
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}
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}
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private func storageKey(_ albumID: Int) -> String {
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"\(accountPrefixProvider())\(Self.keyPrefix)\(albumID)"
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}
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private func deletedKey(_ albumID: Int) -> String {
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"\(storageKey(albumID))\(Self.deletedSuffix)"
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}
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private func bindingsKey() -> String {
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"\(accountPrefixProvider())\(Self.bindingsSuffix)"
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}
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private func transferModeKey() -> String {
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"\(accountPrefixProvider())\(Self.transferModeKeySuffix)"
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}
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private struct PhotoAlbumBinding: Codable {
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let photoID: String
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let albumID: Int
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}
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private func loadBindings() -> [PhotoAlbumBinding] {
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guard let data = defaults.data(forKey: bindingsKey()),
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let bindings = try? JSONDecoder().decode([PhotoAlbumBinding].self, from: data)
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else { return [] }
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return bindings
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}
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private func saveBindings(_ bindings: [PhotoAlbumBinding]) {
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if let data = try? JSONEncoder().encode(bindings) {
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defaults.set(data, forKey: bindingsKey())
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}
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}
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}
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private extension WiredTransferPhotoRecord {
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var isDisplayable: Bool {
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if !remoteURL.isEmpty { return true }
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if let url = CameraDownloadStorage.resolveLocalURL(from: localPath),
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FileManager.default.fileExists(atPath: url.path) {
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return true
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}
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if let url = CameraDownloadStorage.resolveLocalURL(from: thumbnailPath),
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FileManager.default.fileExists(atPath: url.path) {
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return true
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}
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return false
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}
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/// 将 localPath/thumbnailPath 中的旧版绝对路径迁移为相对路径。
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func withNormalizedStoredPaths() -> WiredTransferPhotoRecord? {
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let migratedLocalPath = localPath.isEmpty ? localPath : (CameraDownloadStorage.migrateStoredPath(localPath) ?? localPath)
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let migratedThumbnailPath = thumbnailPath.isEmpty
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? thumbnailPath
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: (CameraDownloadStorage.migrateStoredPath(thumbnailPath) ?? thumbnailPath)
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guard migratedLocalPath != localPath || migratedThumbnailPath != thumbnailPath else { return nil }
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return WiredTransferPhotoRecord(
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id: id,
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sourceId: sourceId,
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fileName: fileName,
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localPath: migratedLocalPath,
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thumbnailPath: migratedThumbnailPath,
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capturedAt: capturedAt,
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fileSizeBytes: fileSizeBytes,
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status: status,
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progress: progress,
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errorMessage: errorMessage,
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albumId: albumId,
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userId: userId,
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remoteURL: remoteURL,
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updatedAt: updatedAt
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)
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}
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func normalizeInterruptedTransfer() -> WiredTransferPhotoRecord {
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guard status == WiredTransferUploadStatus.transferring.rawValue
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|| status == WiredTransferUploadStatus.uploading.rawValue
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else { return self }
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var copy = self
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copy = WiredTransferPhotoRecord(
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id: id,
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sourceId: sourceId,
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fileName: fileName,
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localPath: localPath,
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thumbnailPath: thumbnailPath,
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capturedAt: capturedAt,
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fileSizeBytes: fileSizeBytes,
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status: remoteURL.isEmpty ? WiredTransferUploadStatus.pending.rawValue : WiredTransferUploadStatus.uploaded.rawValue,
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progress: remoteURL.isEmpty ? 0 : 100,
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errorMessage: errorMessage,
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albumId: albumId,
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userId: userId,
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remoteURL: remoteURL,
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updatedAt: updatedAt
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)
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return copy
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}
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}
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private extension Array {
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@discardableResult
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func also(_ body: (Self) -> Void) -> Self {
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body(self)
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return self
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}
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}
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