mirror of
https://github.com/Ranchero-Software/NetNewsWire
synced 2025-08-12 06:26:36 +00:00
54 lines
1.7 KiB
Swift
54 lines
1.7 KiB
Swift
//
|
|
// CacheCleaner.swift
|
|
// NetNewsWire
|
|
//
|
|
// Created by Maurice Parker on 11/8/19.
|
|
// Copyright © 2019 Ranchero Software. All rights reserved.
|
|
//
|
|
|
|
import Foundation
|
|
import RSWeb
|
|
import RSCore
|
|
|
|
struct CacheCleaner: Logging {
|
|
|
|
static func purgeIfNecessary() {
|
|
|
|
guard let flushDate = AppDefaults.shared.lastImageCacheFlushDate else {
|
|
AppDefaults.shared.lastImageCacheFlushDate = Date()
|
|
return
|
|
}
|
|
|
|
// If the image disk cache hasn't been flushed for 3 days and the network is available, delete it
|
|
if flushDate.addingTimeInterval(3600 * 24 * 3) < Date() {
|
|
if let reachability = try? Reachability(hostname: "apple.com") {
|
|
if reachability.connection != .unavailable {
|
|
purge()
|
|
AppDefaults.shared.lastImageCacheFlushDate = Date()
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
static func purge() {
|
|
let tempDir = FileManager.default.urls(for: .cachesDirectory, in: .userDomainMask).first!
|
|
let faviconsFolderURL = tempDir.appendingPathComponent("Favicons")
|
|
let imagesFolderURL = tempDir.appendingPathComponent("Images")
|
|
let feedURLToIconURL = tempDir.appendingPathComponent("FeedURLToIconURLCache.plist")
|
|
let homePageToIconURL = tempDir.appendingPathComponent("HomePageToIconURLCache.plist")
|
|
let homePagesWithNoIconURL = tempDir.appendingPathComponent("HomePagesWithNoIconURLCache.plist")
|
|
|
|
for tempItem in [faviconsFolderURL, imagesFolderURL, feedURLToIconURL, homePageToIconURL, homePagesWithNoIconURL] {
|
|
do {
|
|
CacheCleaner.logger.info("Removing cache file: \(tempItem.absoluteString, privacy: .public)")
|
|
try FileManager.default.removeItem(at: tempItem)
|
|
} catch {
|
|
CacheCleaner.logger.error("Could not delete cache file: \(error.localizedDescription, privacy: .public)")
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|