[AltStoreCore] Migrates Core Data model from v13 to v14

AltStoreCore/Model/Migrations/Policies/Source13To14MigrationPolicy.swift

@@ -0,0 +1,121 @@
+//
+//  SourceMigrationPolicy.swift
+//  AltStoreCore
+//
+//  Created by Riley Testut on 10/19/23.
+//  Copyright © 2023 Riley Testut. All rights reserved.
+//
+
+import CoreData
+
+fileprivate extension NSManagedObject
+{
+    var sourceSourceURL: URL? {
+        let sourceURL = self.value(forKey: #keyPath(Source.sourceURL)) as? URL
+        return sourceURL
+    }
+    
+    var sourceApps: NSOrderedSet? {
+        let apps = self.value(forKey: #keyPath(Source._apps)) as? NSOrderedSet
+        return apps
+    }
+    
+    var sourceNewsItems: NSOrderedSet? {
+        let newsItems = self.value(forKey: #keyPath(Source._newsItems)) as? NSOrderedSet
+        return newsItems
+    }
+}
+
+fileprivate extension NSManagedObject
+{
+    func setSourceSourceID(_ sourceID: String)
+    {
+        self.setValue(sourceID, forKey: #keyPath(Source.identifier))
+    }
+    
+    func setStoreAppSourceID(_ sourceID: String)
+    {
+        self.setValue(sourceID, forKey: #keyPath(StoreApp.sourceIdentifier))
+    }
+    
+    func setNewsItemSourceID(_ sourceID: String)
+    {
+        self.setValue(sourceID, forKey: #keyPath(NewsItem.sourceIdentifier))
+    }
+    
+    func setAppVersionSourceID(_ sourceID: String)
+    {
+        self.setValue(sourceID, forKey: #keyPath(AppVersion.sourceID))
+    }
+    
+    func setAppPermissionSourceID(_ sourceID: String)
+    {
+        self.setValue(sourceID, forKey: #keyPath(AppPermission.sourceID))
+    }
+    
+    func setAppScreenshotSourceID(_ sourceID: String)
+    {
+        self.setValue(sourceID, forKey: #keyPath(AppScreenshot.sourceID))
+    }
+}
+
+fileprivate extension NSManagedObject
+{
+    var storeAppVersions: NSOrderedSet? {
+        let versions = self.value(forKey: #keyPath(StoreApp._versions)) as? NSOrderedSet
+        return versions
+    }
+    
+    var storeAppPermissions: NSSet? {
+        let permissions = self.value(forKey: #keyPath(StoreApp._permissions)) as? NSSet
+        return permissions
+    }
+    
+    var storeAppScreenshots: NSOrderedSet? {
+        let screenshots = self.value(forKey: #keyPath(StoreApp._screenshots)) as? NSOrderedSet
+        return screenshots
+    }
+}
+
+@objc(Source13To14MigrationPolicy)
+class Source13To14MigrationPolicy: NSEntityMigrationPolicy
+{
+    override func createRelationships(forDestination dInstance: NSManagedObject, in mapping: NSEntityMapping, manager: NSMigrationManager) throws
+    {
+        try super.createRelationships(forDestination: dInstance, in: mapping, manager: manager)
+        
+        guard let sourceURL = dInstance.sourceSourceURL else { return }
+        
+        // Copied from Source.setSourceURL()
+        
+        let sourceID = try Source.sourceID(from: sourceURL)
+        dInstance.setSourceSourceID(sourceID)
+        
+        for case let newsItem as NSManagedObject in dInstance.sourceNewsItems ?? []
+        {
+            newsItem.setNewsItemSourceID(sourceID)
+        }
+        
+        for case let app as NSManagedObject in dInstance.sourceApps ?? []
+        {
+            app.setStoreAppSourceID(sourceID)
+            
+            // Copied from StoreApp.sourceIdentifier setter
+            
+            for case let version as NSManagedObject in app.storeAppVersions ?? []
+            {
+                version.setAppVersionSourceID(sourceID)
+            }
+            
+            for case let permission as NSManagedObject in app.storeAppPermissions ?? []
+            {
+                permission.setAppPermissionSourceID(sourceID)
+            }
+            
+            for case let screenshot as NSManagedObject in app.storeAppScreenshots ?? []
+            {
+                screenshot.setAppScreenshotSourceID(sourceID)
+            }
+        }
+    }
+}