Files
suixinkan_ios_new/suixinkan/Features/TravelAlbum/Services/WiredTransferPhotoStore.swift
汉秋 c71b45bdfd 对齐有线传图页 Android UI,并改用相对路径持久化本地照片。
还原顶栏、浮动卡片、时间侧栏与底部交互;照片路径改为 CameraDownloads 相对路径并兼容旧数据;格式 Chip 固定 JPG 且不可点击。

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-06-30 11:16:28 +08:00

280 lines
9.9 KiB
Swift
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//
// WiredTransferPhotoStore.swift
// suixinkan
//
// Created by Codex on 2026/6/29.
//
import Foundation
/// 线 UserDefaults
final class WiredTransferPhotoStore {
private let defaults: UserDefaults
private let accountPrefixProvider: () -> String
private let userIDProvider: () -> String
private static let keyPrefix = "wired_transfer_photos_"
private static let deletedSuffix = "_deleted"
private static let bindingsSuffix = "_photo_bindings"
/// ID
init(
defaults: UserDefaults = .standard,
accountPrefixProvider: @escaping () -> String,
userIDProvider: @escaping () -> String
) {
self.defaults = defaults
self.accountPrefixProvider = accountPrefixProvider
self.userIDProvider = userIDProvider
}
/// ID
func albumID(forPhoto photoID: String) -> Int? {
guard !photoID.isEmpty else { return nil }
return loadBindings().first { $0.photoID == photoID }?.albumID
}
///
func bindPhotoToAlbum(photoID: String, albumID: Int) {
guard !photoID.isEmpty, albumID > 0, !userIDProvider().isEmpty else { return }
var bindings = loadBindings().filter { $0.photoID != photoID }
bindings.append(PhotoAlbumBinding(photoID: photoID, albumID: albumID))
saveBindings(bindings)
}
/// ID
func loadDeletedIDs(albumID: Int) -> Set<String> {
guard albumID > 0, !userIDProvider().isEmpty else { return [] }
let ids = defaults.stringArray(forKey: deletedKey(albumID)) ?? []
return Set(ids)
}
///
func load(albumID: Int) -> [WiredTransferPhotoRecord] {
guard albumID > 0 else { return [] }
let userID = userIDProvider()
guard !userID.isEmpty else { return [] }
let deletedIDs = loadDeletedIDs(albumID: albumID)
guard let data = defaults.data(forKey: storageKey(albumID)),
let records = try? JSONDecoder().decode([WiredTransferPhotoRecord].self, from: data)
else { return [] }
let filteredRecords = records.filter { record in
!deletedIDs.contains(record.id)
&& record.userId == userID
&& record.albumId == albumID
}
let normalizedRecords = filteredRecords.map { $0.normalizeInterruptedTransfer() }
let migratedRecords = normalizeStoredPaths(normalizedRecords, albumID: albumID)
return migratedRecords
.filter(\.isDisplayable)
.sorted { $0.capturedAt > $1.capturedAt }
.also { items in
items.forEach { bindPhotoToAlbum(photoID: $0.id, albumID: albumID) }
}
}
///
private func normalizeStoredPaths(
_ records: [WiredTransferPhotoRecord],
albumID: Int
) -> [WiredTransferPhotoRecord] {
var migrated = records
var needsPersist = false
for index in migrated.indices {
guard let normalized = migrated[index].withNormalizedStoredPaths(),
normalized != migrated[index] else { continue }
migrated[index] = normalized
needsPersist = true
}
if needsPersist {
save(albumID: albumID, records: migrated)
}
return migrated
}
///
func save(albumID: Int, records: [WiredTransferPhotoRecord]) {
guard albumID > 0 else { return }
let userID = userIDProvider()
guard !userID.isEmpty else { return }
let normalized = records
.filter { $0.userId == userID && $0.albumId == albumID }
.sorted { $0.capturedAt > $1.capturedAt }
normalized.forEach { bindPhotoToAlbum(photoID: $0.id, albumID: albumID) }
if let data = try? JSONEncoder().encode(normalized) {
defaults.set(data, forKey: storageKey(albumID))
}
}
///
func remove(albumID: Int, photoID: String) {
guard albumID > 0, !photoID.isEmpty else { return }
markDeleted(albumID: albumID, photoID: photoID)
let deletedIDs = loadDeletedIDs(albumID: albumID)
guard let data = defaults.data(forKey: storageKey(albumID)),
var records = try? JSONDecoder().decode([WiredTransferPhotoRecord].self, from: data)
else { return }
records = records.filter { record in
!deletedIDs.contains(record.id)
&& record.userId == userIDProvider()
&& record.albumId == albumID
}
save(albumID: albumID, records: records)
}
///
func markDeleted(albumID: Int, photoID: String) {
guard albumID > 0, !photoID.isEmpty, !userIDProvider().isEmpty else { return }
let updated = loadDeletedIDs(albumID: albumID).union([photoID])
defaults.set(Array(updated), forKey: deletedKey(albumID))
}
///
func clearAlbum(albumID: Int) -> Set<String> {
guard albumID > 0 else { return [] }
let userID = userIDProvider()
guard !userID.isEmpty else { return [] }
guard let data = defaults.data(forKey: storageKey(albumID)),
let records = try? JSONDecoder().decode([WiredTransferPhotoRecord].self, from: data)
else { return [] }
let userRecords = records.filter { $0.userId == userID }
userRecords.forEach { deleteRecordFiles($0) }
var bindings = loadBindings().filter { $0.albumID != albumID }
saveBindings(bindings)
defaults.removeObject(forKey: storageKey(albumID))
defaults.removeObject(forKey: deletedKey(albumID))
return Set(userRecords.map(\.id))
}
private func deleteRecordFiles(_ record: WiredTransferPhotoRecord) {
deleteFileIfExists(record.localPath)
deleteFileIfExists(record.thumbnailPath)
}
private func deleteFileIfExists(_ path: String) {
guard !path.isEmpty else { return }
guard let url = CameraDownloadStorage.resolveLocalURL(from: path) else { return }
if FileManager.default.fileExists(atPath: url.path) {
try? FileManager.default.removeItem(at: url)
}
}
private func storageKey(_ albumID: Int) -> String {
"\(accountPrefixProvider())\(Self.keyPrefix)\(albumID)"
}
private func deletedKey(_ albumID: Int) -> String {
"\(storageKey(albumID))\(Self.deletedSuffix)"
}
private func bindingsKey() -> String {
"\(accountPrefixProvider())\(Self.bindingsSuffix)"
}
private struct PhotoAlbumBinding: Codable {
let photoID: String
let albumID: Int
}
private func loadBindings() -> [PhotoAlbumBinding] {
guard let data = defaults.data(forKey: bindingsKey()),
let bindings = try? JSONDecoder().decode([PhotoAlbumBinding].self, from: data)
else { return [] }
return bindings
}
private func saveBindings(_ bindings: [PhotoAlbumBinding]) {
if let data = try? JSONEncoder().encode(bindings) {
defaults.set(data, forKey: bindingsKey())
}
}
}
private extension WiredTransferPhotoRecord {
var isDisplayable: Bool {
if !remoteURL.isEmpty { return true }
if let url = CameraDownloadStorage.resolveLocalURL(from: localPath),
FileManager.default.fileExists(atPath: url.path) {
return true
}
if let url = CameraDownloadStorage.resolveLocalURL(from: thumbnailPath),
FileManager.default.fileExists(atPath: url.path) {
return true
}
return false
}
/// localPath/thumbnailPath
func withNormalizedStoredPaths() -> WiredTransferPhotoRecord? {
let migratedLocalPath = localPath.isEmpty ? localPath : (CameraDownloadStorage.migrateStoredPath(localPath) ?? localPath)
let migratedThumbnailPath = thumbnailPath.isEmpty
? thumbnailPath
: (CameraDownloadStorage.migrateStoredPath(thumbnailPath) ?? thumbnailPath)
guard migratedLocalPath != localPath || migratedThumbnailPath != thumbnailPath else { return nil }
return WiredTransferPhotoRecord(
id: id,
sourceId: sourceId,
fileName: fileName,
localPath: migratedLocalPath,
thumbnailPath: migratedThumbnailPath,
capturedAt: capturedAt,
fileSizeBytes: fileSizeBytes,
status: status,
progress: progress,
errorMessage: errorMessage,
albumId: albumId,
userId: userId,
remoteURL: remoteURL,
updatedAt: updatedAt
)
}
func normalizeInterruptedTransfer() -> WiredTransferPhotoRecord {
guard status == WiredTransferUploadStatus.transferring.rawValue
|| status == WiredTransferUploadStatus.uploading.rawValue
else { return self }
var copy = self
copy = WiredTransferPhotoRecord(
id: id,
sourceId: sourceId,
fileName: fileName,
localPath: localPath,
thumbnailPath: thumbnailPath,
capturedAt: capturedAt,
fileSizeBytes: fileSizeBytes,
status: remoteURL.isEmpty ? WiredTransferUploadStatus.pending.rawValue : WiredTransferUploadStatus.uploaded.rawValue,
progress: remoteURL.isEmpty ? 0 : 100,
errorMessage: errorMessage,
albumId: albumId,
userId: userId,
remoteURL: remoteURL,
updatedAt: updatedAt
)
return copy
}
}
private extension Array {
@discardableResult
func also(_ body: (Self) -> Void) -> Self {
body(self)
return self
}
}