78 lines
2.7 KiB
Swift
78 lines
2.7 KiB
Swift
//
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// AppCacheManager.swift
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// QuickLocation
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//
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// Created by 八条 on 2026/6/11.
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//
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import Foundation
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final class AppCacheManager {
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// MARK: - 计算单个文件夹大小(字节)
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static func folderSize(at path: String) -> Int64 {
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guard FileManager.default.fileExists(atPath: path) else { return 0 }
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var totalSize: Int64 = 0
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let manager = FileManager.default
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guard let filePaths = try? manager.subpaths(atPath: path) else {
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return totalSize
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}
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for subPath in filePaths {
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let fullPath = path + "/" + subPath
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var isDir: ObjCBool = false
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if manager.fileExists(atPath: fullPath, isDirectory: &isDir) {
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if isDir.boolValue { continue }
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totalSize += (try? manager.attributesOfItem(atPath: fullPath))?[.size] as? Int64 ?? 0
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}
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}
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return totalSize
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}
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// MARK: - 获取 App 总缓存大小（Caches + tmp）
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static func totalCacheSize() -> Int64 {
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let cachesPath = NSSearchPathForDirectoriesInDomains(.cachesDirectory, .userDomainMask, true).first ?? ""
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let tmpPath = NSTemporaryDirectory()
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let cachesSize = folderSize(at: cachesPath)
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let tmpSize = folderSize(at: tmpPath)
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return cachesSize + tmpSize
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}
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// MARK: - 字节 转 可读字符串（B/KB/MB/GB）
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static func formatByte(_ byte: Int64) -> String {
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guard byte > 0 else { return "0 B" }
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let units: [String] = ["B", "KB", "M", "G"]
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var size = Double(byte)
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var unitIndex = 0
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while size >= 1024, unitIndex < units.count - 1 {
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size /= 1024
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unitIndex += 1
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}
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return String(format: "%.2f %@", size, units[unitIndex])
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}
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// MARK: - 清理缓存（Caches + tmp）
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static func clearCache(completion: @escaping () -> Void) {
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DispatchQueue.global(qos: .background).async {
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let manager = FileManager.default
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// 清理 Caches
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let cachesPath = NSSearchPathForDirectoriesInDomains(.cachesDirectory, .userDomainMask, true).first ?? ""
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try? manager.removeItem(atPath: cachesPath)
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try? manager.createDirectory(atPath: cachesPath, withIntermediateDirectories: true)
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// 清理 tmp
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let tmpPath = NSTemporaryDirectory()
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let tmpFiles = (try? manager.contentsOfDirectory(atPath: tmpPath)) ?? []
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tmpFiles.forEach { file in
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try? manager.removeItem(atPath: tmpPath + file)
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}
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DispatchQueue.main.async {
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completion()
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}
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}
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}
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}
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