Adds AppVersion Core Data entity

Preserves redundant fields on StoreApp in database model for backwards compatibility.

AltStoreCore/Model/AltStore.xcdatamodeld/AltStore 10.xcdatamodel/contents

@@ -31,6 +31,26 @@
         <attribute name="usageDescription" attributeType="String"/>
         <relationship name="app" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="StoreApp" inverseName="permissions" inverseEntity="StoreApp"/>
     </entity>
+    <entity name="AppVersion" representedClassName="AppVersion" syncable="YES">
+        <attribute name="appBundleID" attributeType="String"/>
+        <attribute name="date" attributeType="Date" usesScalarValueType="NO"/>
+        <attribute name="downloadURL" attributeType="URI"/>
+        <attribute name="localizedDescription" optional="YES" attributeType="String"/>
+        <attribute name="maxOSVersion" optional="YES" attributeType="String"/>
+        <attribute name="minOSVersion" optional="YES" attributeType="String"/>
+        <attribute name="size" attributeType="Integer 64" defaultValueString="0" usesScalarValueType="YES"/>
+        <attribute name="sourceID" optional="YES" attributeType="String"/>
+        <attribute name="version" attributeType="String"/>
+        <relationship name="app" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="StoreApp" inverseName="versions" inverseEntity="StoreApp"/>
+        <relationship name="latestVersionApp" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="StoreApp" inverseName="latestVersion" inverseEntity="StoreApp"/>
+        <uniquenessConstraints>
+            <uniquenessConstraint>
+                <constraint value="appBundleID"/>
+                <constraint value="version"/>
+                <constraint value="sourceID"/>
+            </uniquenessConstraint>
+        </uniquenessConstraints>
+    </entity>
     <entity name="InstalledApp" representedClassName="InstalledApp" syncable="YES">
         <attribute name="bundleIdentifier" attributeType="String"/>
         <attribute name="certificateSerialNumber" optional="YES" attributeType="String"/>
@@ -158,10 +178,12 @@
         <attribute name="versionDate" attributeType="Date" usesScalarValueType="NO"/>
         <attribute name="versionDescription" optional="YES" attributeType="String"/>
         <relationship name="installedApp" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="InstalledApp" inverseName="storeApp" inverseEntity="InstalledApp"/>
+        <relationship name="latestVersion" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="AppVersion" inverseName="latestVersionApp" inverseEntity="AppVersion"/>
         <relationship name="loggedErrors" toMany="YES" deletionRule="Nullify" destinationEntity="LoggedError" inverseName="storeApp" inverseEntity="LoggedError"/>
         <relationship name="newsItems" toMany="YES" deletionRule="Nullify" destinationEntity="NewsItem" inverseName="storeApp" inverseEntity="NewsItem"/>
         <relationship name="permissions" toMany="YES" deletionRule="Cascade" ordered="YES" destinationEntity="AppPermission" inverseName="app" inverseEntity="AppPermission"/>
         <relationship name="source" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Source" inverseName="apps" inverseEntity="Source"/>
+        <relationship name="versions" toMany="YES" deletionRule="Cascade" ordered="YES" destinationEntity="AppVersion" inverseName="app" inverseEntity="AppVersion"/>
         <uniquenessConstraints>
             <uniquenessConstraint>
                 <constraint value="sourceIdentifier"/>

AltStoreCore/Model/AppVersion.swift

@@ -0,0 +1,92 @@
+//
+//  AppVersion.swift
+//  AltStoreCore
+//
+//  Created by Riley Testut on 8/18/22.
+//  Copyright © 2022 Riley Testut. All rights reserved.
+//
+
+import CoreData
+
+@objc(AppVersion)
+public class AppVersion: NSManagedObject, Decodable, Fetchable
+{
+    /* Properties */
+    @NSManaged public var version: String
+    @NSManaged public var date: Date
+    @NSManaged public var localizedDescription: String?
+    
+    @NSManaged public var downloadURL: URL
+    @NSManaged public var size: Int64
+    
+    @nonobjc public var minOSVersion: OperatingSystemVersion? {
+        guard let osVersionString = self._minOSVersion else { return nil }
+        
+        let osVersion = OperatingSystemVersion(string: osVersionString)
+        return osVersion
+    }
+    @NSManaged @objc(minOSVersion) private var _minOSVersion: String?
+    
+    @nonobjc public var maxOSVersion: OperatingSystemVersion? {
+        guard let osVersionString = self._maxOSVersion else { return nil }
+        
+        let osVersion = OperatingSystemVersion(string: osVersionString)
+        return osVersion
+    }
+    @NSManaged @objc(maxOSVersion) private var _maxOSVersion: String?
+    
+    @NSManaged public var appBundleID: String
+    @NSManaged public var sourceID: String?
+    
+    /* Relationships */
+    @NSManaged public private(set) var app: StoreApp?
+    @NSManaged public private(set) var latestVersionApp: StoreApp?
+    
+    private override init(entity: NSEntityDescription, insertInto context: NSManagedObjectContext?)
+    {
+        super.init(entity: entity, insertInto: context)
+    }
+    
+    
+    private enum CodingKeys: String, CodingKey
+    {
+        case version
+        case date
+        case localizedDescription
+        case downloadURL
+        case size
+        case _minOSVersion
+        case _maxOSVersion
+        case appBundleID
+        case sourceID
+    }
+    
+    public required init(from decoder: Decoder) throws
+    {
+        guard let context = decoder.managedObjectContext else { preconditionFailure("Decoder must have non-nil NSManagedObjectContext.") }
+        
+        super.init(entity: NewsItem.entity(), insertInto: context)
+        
+        let container = try decoder.container(keyedBy: CodingKeys.self)
+        self.version = try container.decode(String.self, forKey: .version)
+        self.date = try container.decode(Date.self, forKey: .date)
+        
+        self.localizedDescription = try container.decodeIfPresent(String.self, forKey: .localizedDescription)
+        self.downloadURL = try container.decode(URL.self, forKey: .downloadURL)
+        self.size = try container.decode(Int64.self, forKey: .size)
+
+        self._minOSVersion = try container.decodeIfPresent(String.self, forKey: ._minOSVersion)
+        self._maxOSVersion = try container.decodeIfPresent(String.self, forKey: ._maxOSVersion)
+
+        self.appBundleID = try container.decode(String.self, forKey: .appBundleID)
+        self.sourceID = try container.decodeIfPresent(String.self, forKey: .sourceID)
+    }
+}
+
+public extension AppVersion
+{
+    @nonobjc class func fetchRequest() -> NSFetchRequest<AppVersion>
+    {
+        return NSFetchRequest<AppVersion>(entityName: "AppVersion")
+    }
+}

AltStoreCore/Model/StoreApp.swift

@@ -129,6 +129,9 @@ public class StoreApp: NSManagedObject, Decodable, Fetchable
     @NSManaged @objc(source) public var _source: Source?
     @NSManaged @objc(permissions) public var _permissions: NSOrderedSet
     
+    @NSManaged public private(set) var latestVersion: AppVersion?
+    @NSManaged @objc(versions) public private(set) var _versions: NSOrderedSet
+    
     @NSManaged public private(set) var loggedErrors: NSSet /* Set<LoggedError> */ // Use NSSet to avoid eagerly fetching values.
     
     @nonobjc public var source: Source? {
@@ -145,6 +148,10 @@ public class StoreApp: NSManagedObject, Decodable, Fetchable
         return self._permissions.array as! [AppPermission]
     }
     
+    @nonobjc public var versions: [AppVersion] {
+        return self._versions.array as! [AppVersion]
+    }
+    
     private override init(entity: NSEntityDescription, insertInto context: NSManagedObjectContext?)
     {
         super.init(entity: entity, insertInto: context)