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