Ariver
2026-06-05 ed43ee83789cb99b1cb95db340fee939dd0dedec
Apptag/DataLayer.swift
@@ -94,14 +94,22 @@
// MARK: - App Scanner
enum AppIndexer {
    private struct SearchPathSignature: Equatable {
        let path: String
        let exists: Bool
        let contentModificationTime: TimeInterval?
    }
    private static let scanCacheLock = NSLock()
    private static var cachedScanApps: [AppInfo]? = nil
    private static var cachedScanAt: Date? = nil
    private static var cachedSearchPathSignature: [SearchPathSignature]? = nil
    private static let scanCacheTTL: TimeInterval = 1800
    static let searchPaths: [URL] = [
        URL(fileURLWithPath: "/Applications"),
        URL(fileURLWithPath: "/System/Applications"),
        URL(fileURLWithPath: "/System/Library/CoreServices/Applications"),
        URL(fileURLWithPath: "/System/Cryptexes/App/System/Applications"),
        URL(fileURLWithPath: "/System/Volumes/Preboot/Cryptexes/App/System/Applications"),
        FileManager.default.homeDirectoryForCurrentUser
@@ -110,6 +118,7 @@
    private static let systemAppPathPrefixes = [
        "/System/Applications/",
        "/System/Library/CoreServices/Applications/",
        "/System/Cryptexes/App/System/Applications/",
        "/System/Volumes/Preboot/Cryptexes/App/System/Applications/"
    ]
@@ -120,12 +129,13 @@
    /// Scan all standard locations. Tags are annotated from TagDatabase by the caller.
    static func scan(useCache: Bool = true) -> [AppInfo] {
        if useCache, let cached = cachedScanIfFresh() {
        let searchPathSignature = currentSearchPathSignature()
        if useCache, let cached = cachedScanIfFresh(matching: searchPathSignature) {
            return cached
        }
        let apps = performScan()
        updateScanCache(apps)
        updateScanCache(apps, searchPathSignature: searchPathSignature)
        return apps
    }
@@ -133,25 +143,59 @@
        scanCacheLock.lock()
        cachedScanApps = nil
        cachedScanAt = nil
        cachedSearchPathSignature = nil
        scanCacheLock.unlock()
    }
    private static func cachedScanIfFresh() -> [AppInfo]? {
    static func shouldRefreshForSearchPathChanges() -> Bool {
        scanCacheLock.lock()
        let hasCachedApps = cachedScanApps != nil
        let cachedSignature = cachedSearchPathSignature
        scanCacheLock.unlock()
        guard hasCachedApps else { return true }
        return cachedSignature != currentSearchPathSignature()
    }
    private static func cachedScanIfFresh(matching searchPathSignature: [SearchPathSignature]) -> [AppInfo]? {
        scanCacheLock.lock()
        defer { scanCacheLock.unlock() }
        guard let cachedScanApps,
              let cachedScanAt,
              cachedSearchPathSignature == searchPathSignature,
              Date().timeIntervalSince(cachedScanAt) < scanCacheTTL
        else { return nil }
        return cachedScanApps
    }
    private static func updateScanCache(_ apps: [AppInfo]) {
    private static func updateScanCache(_ apps: [AppInfo], searchPathSignature: [SearchPathSignature]) {
        scanCacheLock.lock()
        cachedScanApps = apps
        cachedScanAt = Date()
        cachedSearchPathSignature = searchPathSignature
        scanCacheLock.unlock()
    }
    private static func currentSearchPathSignature() -> [SearchPathSignature] {
        searchPaths.map { url in
            var isDirectory: ObjCBool = false
            let exists = FileManager.default.fileExists(atPath: url.path, isDirectory: &isDirectory)
            guard exists, isDirectory.boolValue else {
                return SearchPathSignature(
                    path: url.path,
                    exists: false,
                    contentModificationTime: nil
                )
            }
            let values = try? url.resourceValues(forKeys: [.contentModificationDateKey])
            return SearchPathSignature(
                path: url.path,
                exists: true,
                contentModificationTime: values?.contentModificationDate?.timeIntervalSinceReferenceDate
            )
        }
    }
    private static func performScan() -> [AppInfo] {
@@ -448,7 +492,7 @@
    private static func deduplicationIdentity(for app: AppInfo) -> String {
        if let bundleIdentifier = app.bundleIdentifier?.trimmingCharacters(in: .whitespacesAndNewlines),
           !bundleIdentifier.isEmpty {
            return "bundle:\(bundleIdentifier.lowercased())"
            return "bundle:\(bundleIdentifier.lowercased())|name:\(normalizedAppName(app.name))"
        }
        return "name:\(normalizedAppName(app.name))"
    }