From d08a8f67822fe0b49ffabbedab04f77dc97efe7b Mon Sep 17 00:00:00 2001
From: "Hedden, Kyle Matthew" <kyle.hedden@verizonwireless.com>
Date: Fri, 29 Mar 2024 16:45:23 -0400
Subject: [PATCH] Digital PCT265 story MVAPCT-48 - Caches root directory, file
 protection for encryption, atomicWrite API deprecation.

---
 .../OtherHandlers/MVMCoreCache+Extension.swift  | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/MVMCore/MVMCore/OtherHandlers/MVMCoreCache+Extension.swift b/MVMCore/MVMCore/OtherHandlers/MVMCoreCache+Extension.swift
index ff7fda5..fdbff0b 100644
--- a/MVMCore/MVMCore/OtherHandlers/MVMCoreCache+Extension.swift
+++ b/MVMCore/MVMCore/OtherHandlers/MVMCoreCache+Extension.swift
@@ -49,7 +49,7 @@ public class CachedData: Codable {
 @objc public class PersistentCacheManager: NSObject {
     @objc public static let shared = PersistentCacheManager()
     private let fileManager = FileManager.default
-    private lazy var documentsDirectory = { fileManager.urls(for: .documentDirectory, in: .userDomainMask).first! }()
+    private lazy var cacheDirectory = { fileManager.urls(for: .cachesDirectory, in: .userDomainMask).first!.appendingPathComponent("Atomic")}()
     
     private override init() {}
     
@@ -57,8 +57,9 @@ public class CachedData: Codable {
         let cachedData = CachedData(data: data, expirationDate: expirationDate)
         let filePath = self.filePath(forKey: key)
         do {
+            try FileManager.default.createDirectory(atPath: self.cacheDirectory.relativePath, withIntermediateDirectories: true, attributes: [.protectionKey: FileProtectionType.complete])
             let dataToSave = try JSONEncoder().encode(cachedData)
-            try dataToSave.write(to: filePath, options: .atomicWrite)
+            try dataToSave.write(to: filePath, options: [.atomic, .completeFileProtection])
         } catch is EncodingError {
             throw CacheError.serializationFailed
         } catch {
@@ -97,16 +98,18 @@ public class CachedData: Codable {
     }
     
     @objc public func removeAll() throws {
-        let fileURLs = try fileManager.contentsOfDirectory(at: documentsDirectory,
-                                                                       includingPropertiesForKeys: nil,
-                                                                       options: .skipsHiddenFiles)
-            
+        let fileURLs = try fileManager.contentsOfDirectory(
+            at: cacheDirectory,
+            includingPropertiesForKeys: nil,
+            options: .skipsHiddenFiles
+        )
+        
         for fileURL in fileURLs where fileURL.pathExtension == "json" {
             try FileManager.default.removeItem(at: fileURL)
         }
     }
     
     private func filePath(forKey key: String) -> URL {
-        return documentsDirectory.appendingPathComponent("\(key).json")
+        return cacheDirectory.appendingPathComponent("\(key).json")
     }
 }