113 lines
2.7 KiB
Swift
113 lines
2.7 KiB
Swift
//
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// Game.swift
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// Delta
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//
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// Created by Riley Testut on 10/3/15.
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// Copyright © 2015 Riley Testut. All rights reserved.
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//
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import Foundation
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import CoreData
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import DeltaCore
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import SNESDeltaCore
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import GBADeltaCore
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extension Game
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{
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enum Attributes: String
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{
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case artworkURL
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case filename
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case identifier
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case name
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case type
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case gameCollections
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case saveStates
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case previewSaveState
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case cheats
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}
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}
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@objc(Game)
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class Game: NSManagedObject, GameProtocol
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{
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@NSManaged var artworkURL: URL?
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@NSManaged var filename: String
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@NSManaged var identifier: String
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@NSManaged var name: String
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@NSManaged var type: GameType
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@NSManaged var gameCollections: Set<GameCollection>
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@NSManaged var previewSaveState: SaveState?
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@NSManaged var saveStates: Set<SaveState>
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var fileURL: URL {
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var fileURL: URL!
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self.managedObjectContext?.performAndWait {
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fileURL = DatabaseManager.gamesDirectoryURL.appendingPathComponent(self.filename)
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}
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return fileURL
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}
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var preferredFileExtension: String {
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switch self.type
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{
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case GameType.snes: return "smc"
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case GameType.gba: return "gba"
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default: return "delta"
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}
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}
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}
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extension Game
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{
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override public func prepareForDeletion()
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{
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super.prepareForDeletion()
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guard FileManager.default.fileExists(atPath: self.fileURL.path) else { return }
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do
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{
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try FileManager.default.removeItem(at: self.fileURL)
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}
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catch
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{
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print(error)
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}
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if let managedObjectContext = self.managedObjectContext
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{
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for collection in self.gameCollections where collection.games.count == 1
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{
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// Once this game is deleted, collection will have 0 games, so we should delete it
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managedObjectContext.delete(collection)
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}
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// Manually cascade deletion since SaveState.fileURL references Game, and so we need to ensure we delete SaveState's before Game
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// Otherwise, we crash when accessing SaveState.game since it is nil
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for saveState in self.saveStates
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{
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managedObjectContext.delete(saveState)
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}
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if managedObjectContext.hasChanges
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{
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managedObjectContext.saveWithErrorLogging()
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}
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}
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}
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}
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extension Game
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{
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class func supportedTypeIdentifiers() -> Set<String>
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{
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return [GameType.snes.rawValue, GameType.gba.rawValue]
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}
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}
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