350 lines
12 KiB
Swift
350 lines
12 KiB
Swift
//
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// TravelAlbumOTGTransferModels.swift
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// suixinkan
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//
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import Foundation
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/// OTG 传输页展示照片项。
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struct TravelAlbumOTGPhotoItem: Hashable, Sendable {
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let id: String
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let sourceId: String
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let fileName: String
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let thumbnailURL: URL?
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let capturedAt: String
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let fileSizeText: String
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let fileSizeBytes: Int64
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var status: TravelAlbumOTGUploadStatus
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var progress: Int
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var errorMessage: String?
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let localPath: String
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var remoteUrl: String
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/// 是否未上传完成。
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var isNotUploaded: Bool {
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status != .uploaded
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}
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/// 是否可被选择上传。
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var canSelectForUpload: Bool {
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status == .pending || status == .failed
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}
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}
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/// OTG 传输页半小时维度时间槽。
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struct TravelAlbumOTGTimeSlot: Hashable, Sendable {
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let id: String
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let dateLabel: String
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let slotStartLabel: String
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let photoCount: Int
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}
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/// OTG 传输页左侧时间导航日期分组。
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struct TravelAlbumOTGDateGroup: Hashable, Sendable {
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let dateLabel: String
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let slots: [TravelAlbumOTGTimeSlot]
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}
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/// OTG 传输页照片列表半小时分段。
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struct TravelAlbumOTGPhotoSection: Hashable, Sendable {
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let slotId: String
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let headerTitle: String
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let photos: [TravelAlbumOTGPhotoItem]
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}
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/// OTG 传输页 Tab。
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enum TravelAlbumOTGTransferTab: Int, CaseIterable, Sendable {
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case all
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case uploaded
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case failed
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var title: String {
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switch self {
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case .all: return "全部"
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case .uploaded: return "已上传"
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case .failed: return "失败"
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}
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}
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}
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/// OTG 传输模式，决定新照片传入 App 后是否立即上传 OSS。
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enum TravelAlbumOTGTransferMode: String, CaseIterable, Sendable {
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case liveUpload
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case postTransfer
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/// 展示标题。
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var title: String {
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switch self {
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case .liveUpload: return "边拍边传"
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case .postTransfer: return "拍后传输"
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}
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}
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/// 是否在新照片导入 App 后自动上传。
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var shouldAutoUploadNewImports: Bool {
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self == .liveUpload
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}
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/// 根据展示标题解析传输模式。
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static func option(title: String) -> TravelAlbumOTGTransferMode? {
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allCases.first { $0.title == title }
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}
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}
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/// OTG 指定上传弹窗选项。
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enum TravelAlbumOTGSpecifyUploadOption: String, CaseIterable, Sendable {
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case allPending
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case todayCaptured
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/// 展示标题。
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var title: String {
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switch self {
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case .allPending: return "上传所有未上传的照片"
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case .todayCaptured: return "上传所有今日拍摄的照片"
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}
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}
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}
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extension TravelAlbumOTGPhotoItem {
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/// 将 Android 同款 `yyyy-MM-dd HH:mm:ss` 拍摄时间转为本地日期。
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func capturedDate() -> Date? {
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TravelAlbumOTGTimeGrouping.capturedDate(from: capturedAt)
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}
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}
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extension Array where Element == TravelAlbumOTGPhotoItem {
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/// 按 Android OTG 页规则构造半小时照片分段。
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func buildPhotoSections() -> [TravelAlbumOTGPhotoSection] {
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let pairs = compactMap { photo -> (slotStart: Date, photo: TravelAlbumOTGPhotoItem)? in
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guard let date = photo.capturedDate() else { return nil }
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return (TravelAlbumOTGTimeGrouping.halfHourSlotStart(for: date), photo)
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}
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let grouped = Dictionary(grouping: pairs, by: \.slotStart)
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return grouped.keys
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.sorted(by: >)
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.map { slotStart in
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let photos = (grouped[slotStart] ?? [])
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.map(\.photo)
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.sorted { lhs, rhs in
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(lhs.capturedDate() ?? .distantPast) > (rhs.capturedDate() ?? .distantPast)
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}
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return TravelAlbumOTGPhotoSection(
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slotId: TravelAlbumOTGTimeGrouping.slotId(for: slotStart),
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headerTitle: TravelAlbumOTGTimeGrouping.sectionHeaderTitle(for: slotStart),
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photos: photos
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)
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}
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}
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/// 按 Android OTG 页规则构造左侧时间快速导航分组。
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func buildSidebarGroups() -> [TravelAlbumOTGDateGroup] {
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var slotCounts: [Date: Int] = [:]
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for photo in self {
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guard let date = photo.capturedDate() else { continue }
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let slotStart = TravelAlbumOTGTimeGrouping.halfHourSlotStart(for: date)
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slotCounts[slotStart, default: 0] += 1
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}
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let groupedByDay = Dictionary(grouping: slotCounts.keys) { slotStart in
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TravelAlbumOTGTimeGrouping.dayStart(for: slotStart)
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}
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return groupedByDay.keys
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.sorted(by: >)
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.map { dayStart in
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let slots = (groupedByDay[dayStart] ?? [])
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.sorted(by: >)
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.map { slotStart in
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TravelAlbumOTGTimeSlot(
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id: TravelAlbumOTGTimeGrouping.slotId(for: slotStart),
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dateLabel: TravelAlbumOTGTimeGrouping.dateLabel(for: slotStart),
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slotStartLabel: TravelAlbumOTGTimeGrouping.timeLabel(for: slotStart),
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photoCount: slotCounts[slotStart] ?? 0
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)
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}
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return TravelAlbumOTGDateGroup(
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dateLabel: TravelAlbumOTGTimeGrouping.dateLabel(for: dayStart),
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slots: slots
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)
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}
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}
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}
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/// OTG 传输页时间分组格式化工具，对齐 Android 的半小时槽规则。
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enum TravelAlbumOTGTimeGrouping {
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private static let calendar = Calendar(identifier: .gregorian)
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/// 解析 Android OTG 页面使用的拍摄时间字符串。
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static func capturedDate(from text: String) -> Date? {
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let formatter = DateFormatter()
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formatter.locale = Locale(identifier: "en_US_POSIX")
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formatter.dateFormat = "yyyy-MM-dd HH:mm:ss"
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return formatter.date(from: text)
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}
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/// 计算半小时槽起点。
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static func halfHourSlotStart(for date: Date) -> Date {
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let components = calendar.dateComponents([.year, .month, .day, .hour, .minute], from: date)
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let minute = ((components.minute ?? 0) / 30) * 30
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return calendar.date(
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from: DateComponents(
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year: components.year,
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month: components.month,
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day: components.day,
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hour: components.hour,
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minute: minute
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)
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) ?? date
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}
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/// 计算日期起点。
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static func dayStart(for date: Date) -> Date {
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calendar.startOfDay(for: date)
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}
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/// 时间槽唯一标识。
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static func slotId(for date: Date) -> String {
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format(date, pattern: "yyyy-MM-dd'T'HH:mm", locale: Locale(identifier: "en_US_POSIX"))
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}
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/// 主列表分段标题。
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static func sectionHeaderTitle(for date: Date) -> String {
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let end = calendar.date(byAdding: .minute, value: 30, to: date) ?? date
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return "\(dateLabel(for: date)) \(timeLabel(for: date)) - \(timeLabel(for: end))"
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}
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/// 日期标签。
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static func dateLabel(for date: Date) -> String {
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format(date, pattern: "MM月dd日", locale: Locale(identifier: "zh_CN"))
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}
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/// 时间标签。
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static func timeLabel(for date: Date) -> String {
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format(date, pattern: "HH:mm", locale: Locale(identifier: "en_US_POSIX"))
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}
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private static func format(_ date: Date, pattern: String, locale: Locale) -> String {
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let formatter = DateFormatter()
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formatter.locale = locale
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formatter.dateFormat = pattern
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return formatter.string(from: date)
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}
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}
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/// 相机照片格式匹配工具，对齐 Android `OtgPhotoFormatMatcher`。
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enum TravelAlbumOTGPhotoFormatMatcher {
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/// 相机照片类型。
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enum PhotoKind: Equatable {
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case jpeg
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case raw
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case other
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}
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private static let jpegExtensions: Set<String> = ["jpg", "jpeg", "heif", "hif"]
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private static let rawExtensions: Set<String> = [
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"dng", "cr2", "cr3", "nef", "nrw", "arw", "srf", "sr2",
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"orf", "rw2", "raw", "raf", "srw", "pef", "ptx", "rwl",
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]
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private static let jpegFormatCodes: Set<Int> = [0x3801, 0x3808]
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private static let rawFormatCodes: Set<Int> = [0x380D, 0xB101, 0xB103, 0xB108]
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/// 判断文件类型。
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static func classify(name: String, format: Int = 0, isVideo: Bool = false) -> PhotoKind {
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if isVideo { return .other }
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let ext = URL(fileURLWithPath: name).pathExtension.lowercased()
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if rawExtensions.contains(ext) || rawFormatCodes.contains(format) {
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return .raw
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}
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if jpegExtensions.contains(ext) || jpegFormatCodes.contains(format) {
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return .jpeg
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}
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return .other
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}
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/// 判断相机对象是否匹配当前上传格式。
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static func matchesUploadKind(_ object: CameraObject, option: TravelAlbumOTGPhotoFormatOption) -> Bool {
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switch option {
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case .jpg:
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return classify(name: object.filename) == .jpeg
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case .raw:
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return classify(name: object.filename) == .raw
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case .jpegRaw:
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let kind = classify(name: object.filename)
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return kind == .jpeg || kind == .raw
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}
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}
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/// 根据格式偏好展开实际上传目标。
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static func resolveUploadTargets(
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requested: [CameraObject],
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allObjects: [CameraObject],
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option: TravelAlbumOTGPhotoFormatOption
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) -> [CameraObject] {
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guard !requested.isEmpty else { return [] }
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var ordered: [CameraObject] = []
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var seen = Set<String>()
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for object in requested {
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let peers = peers(of: object, allObjects: allObjects)
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let jpegs = peers.filter { classify(name: $0.filename) == .jpeg }
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let raws = peers.filter { classify(name: $0.filename) == .raw }
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let candidates: [CameraObject]
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switch option {
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case .jpg:
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candidates = Array(jpegs.prefix(1))
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case .raw:
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candidates = Array(raws.prefix(1))
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case .jpegRaw:
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candidates = jpegs + raws
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}
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candidates.forEach { candidate in
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if seen.insert(candidate.id).inserted {
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ordered.append(candidate)
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}
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}
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}
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return ordered
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}
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private static func peers(of object: CameraObject, allObjects: [CameraObject]) -> [CameraObject] {
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let stem = captureStem(object.filename)
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guard !stem.isEmpty else { return [object] }
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let matches = allObjects.filter { captureStem($0.filename) == stem }
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return matches.isEmpty ? [object] : matches
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}
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private static func captureStem(_ name: String) -> String {
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(name as NSString).deletingPathExtension.uppercased()
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}
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}
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extension TravelAlbumOTGPhotoRecord {
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/// 转为页面展示项。
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func toPhotoItem(storage: TravelAlbumOTGPhotoStore, albumId: Int) -> TravelAlbumOTGPhotoItem {
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let previewPath = [thumbnailPath, localPath, remoteUrl].first { path in
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guard !path.isEmpty else { return false }
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if path.hasPrefix("http") { return true }
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return storage.fileExists(relativePath: path, albumId: albumId)
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} ?? ""
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let previewURL: URL?
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if previewPath.hasPrefix("http") {
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previewURL = URL(string: previewPath)
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} else if !previewPath.isEmpty {
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previewURL = storage.absoluteURL(for: previewPath, albumId: albumId)
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} else {
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previewURL = nil
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}
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return TravelAlbumOTGPhotoItem(
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id: id,
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sourceId: sourceId,
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fileName: fileName,
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thumbnailURL: previewURL,
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capturedAt: capturedAt,
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fileSizeText: TravelAlbumOTGPhotoStore.fileSizeText(fileSizeBytes),
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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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localPath: localPath,
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remoteUrl: remoteUrl
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)
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}
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}
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