Files

194 lines
7.9 KiB
Swift

import Foundation
import Localization
public enum CleanCategory: String, Sendable, CaseIterable, Identifiable {
case system, browser, developer, downloads, trash
public var id: String { rawValue }
public var title: String {
switch self {
case .system: tr("系统")
case .browser: tr("浏览器")
case .developer: tr("开发者")
case .downloads: tr("下载")
case .trash: tr("废纸篓")
}
}
}
public enum DeletionPolicy: Sendable {
/// 可再生的缓存与日志:直接删除,空间立即释放
case delete
/// 用户文件(安装包、未完成下载):移到废纸篓,可恢复
case trash
}
public enum SkipReason: Sendable, Equatable, Hashable {
case appRunning(String)
case needsFullDiskAccess
case toolUnavailable(String)
case previewFailed(String)
case recentlyModified
case protected
public var title: String {
switch self {
case .appRunning(let name): tr("\(name) 正在运行")
case .needsFullDiskAccess: tr("需要完全磁盘访问权限")
case .toolUnavailable(let tool): tr("未找到 \(tool),无法安全清理")
case .previewFailed(let detail): tr("预览失败:\(detail)")
case .recentlyModified: tr("刚刚被使用")
case .protected: tr("受保护")
}
}
}
/// 扫描所需的外部环境,便于在测试中替换
public struct CleanEnvironment: Sendable {
public var home: String
public var runningBundleIdentifiers: @Sendable () -> Set<String>
public var now: @Sendable () -> Date
public var isToolAvailable: @Sendable (String) -> Bool
public var runTool: @Sendable (String, [String]) async throws -> ToolRunResult
public init(home: String = NSHomeDirectory(),
runningBundleIdentifiers: @escaping @Sendable () -> Set<String>,
now: @escaping @Sendable () -> Date = Date.init,
isToolAvailable: (@Sendable (String) -> Bool)? = nil,
runTool: (@Sendable (String, [String]) async throws -> ToolRunResult)? = nil) {
self.home = home
self.runningBundleIdentifiers = runningBundleIdentifiers
self.now = now
self.isToolAvailable = isToolAvailable ?? { DeveloperToolRunner.executable(named: $0, home: home) != nil }
self.runTool = runTool ?? { try await DeveloperToolRunner.run($0, arguments: $1, home: home) }
}
}
public struct CleanRule: Sendable, Identifiable {
public let id: String
public let category: CleanCategory
public let title: String
public let detail: String
public let symbol: String
public let selectedByDefault: Bool
public let policy: DeletionPolicy
/// 这些应用运行时整条规则跳过(例如浏览器)
public let blockingApps: [(bundleID: String, name: String)]
/// 条目名为反向域名(如 com.foo.bar)时,对应应用运行中则跳过该条目
public let checksOwnerApp: Bool
/// 最近修改过的条目视为正在使用
public let minimumAge: TimeInterval
public let requiredTool: String?
/// 原生工具预览;候选路径只用于展示和日志,不能进入直接删除流程。
let previewWithTool: (@Sendable (CleanEnvironment) async throws -> ToolCleanupPreview)?
/// 返回 nil 时沿用文件大小差值统计;工具有原生报告时直接使用其实际结果。
let cleanWithTool: (@Sendable (CleanEnvironment) async throws -> CleanReport?)?
/// 列出候选条目(顶层文件或目录)
let locate: @Sendable (CleanEnvironment) throws -> [URL]
init(id: String, category: CleanCategory, title: String, detail: String, symbol: String,
selectedByDefault: Bool = true, policy: DeletionPolicy = .delete,
blockingApps: [(bundleID: String, name: String)] = [], checksOwnerApp: Bool = false,
minimumAge: TimeInterval = 120, requiredTool: String? = nil,
previewWithTool: (@Sendable (CleanEnvironment) async throws -> ToolCleanupPreview)? = nil,
cleanWithTool: (@Sendable (CleanEnvironment) async throws -> CleanReport?)? = nil,
locate: @escaping @Sendable (CleanEnvironment) throws -> [URL]) {
self.id = id
self.category = category
self.title = title
self.detail = detail
self.symbol = symbol
self.selectedByDefault = selectedByDefault
self.policy = policy
self.blockingApps = blockingApps
self.checksOwnerApp = checksOwnerApp
self.minimumAge = minimumAge
self.requiredTool = requiredTool
self.previewWithTool = previewWithTool
self.cleanWithTool = cleanWithTool
self.locate = locate
}
public var usesToolCleaner: Bool { cleanWithTool != nil }
/// 确认提示与清理执行共用的删除方式;工具清理和清空废纸篓始终不可恢复。
public func deletesPermanently(preferTrash: Bool) -> Bool {
if usesToolCleaner || id == RuleCatalog.trash.id { return true }
switch policy {
case .delete: return !preferTrash
case .trash: return false
}
}
}
public struct CleanItem: Sendable, Identifiable, Hashable {
public var id: String { url.path }
public let url: URL
public let size: UInt64
}
public struct RuleScan: Sendable, Identifiable {
public var id: String { rule.id }
public let rule: CleanRule
/// 文件扫描按大小降序;原生命令预览保持其输出顺序。
public let items: [CleanItem]
public let skippedCount: Int
/// 整条规则被阻止的原因(浏览器运行中、缺少权限或对应工具不可用)
public let blocked: SkipReason?
public var toolPreview: ToolCleanupPreview? = nil
public var totalSize: UInt64 { toolPreview?.totalSize ?? items.reduce(0) { $0 + $1.size } }
public var isCleanable: Bool { blocked == nil && !items.isEmpty }
}
/// 原生命令提供的清理计划;大小可能包括只按目录汇总、没有逐文件列出的内容。
public struct ToolCleanupPreview: Sendable {
public let items: [CleanItem]
public let totalSize: UInt64
public let details: String
}
public struct CleanReport: Sendable {
/// 取消是用户操作,保留已完成部分的统计,但不作为工具失败。
public var wasCancelled = false
/// 原生工具中途退出时,已释放空间可能未出现在报告中。
public var hasUncertainFreedBytes = false
public var freedBytes: UInt64 = 0
public var removedCount = 0
public var skippedCount = 0
public var failures: [String] = []
/// 移到废纸篓的大小(不会立即释放)
public var trashedBytes: UInt64 = 0
}
/// 已完成的清理步骤数;文件逐项计数,外部工具作为一个步骤,避免把预览数量当成执行进度。
public struct CleanProgress: Sendable {
public let completed: Int
public let total: Int
public let currentRule: String
/// 当前规则在选中规则中的位置,从 1 开始。
public let ruleNumber: Int
public let ruleCount: Int
public let currentRuleCompleted: Int
public let currentRuleTotal: Int
public let currentRuleStartedAt: Date
/// 工具清理无法按文件报告进度;这里只提供扫描时的大小,不代表实际释放量。
public let toolScannedBytes: UInt64?
public init(completed: Int, total: Int, currentRule: String,
ruleNumber: Int, ruleCount: Int, currentRuleCompleted: Int, currentRuleTotal: Int,
currentRuleStartedAt: Date,
toolScannedBytes: UInt64? = nil) {
self.completed = completed
self.total = total
self.currentRule = currentRule
self.ruleNumber = ruleNumber
self.ruleCount = ruleCount
self.currentRuleCompleted = currentRuleCompleted
self.currentRuleTotal = currentRuleTotal
self.currentRuleStartedAt = currentRuleStartedAt
self.toolScannedBytes = toolScannedBytes
}
}