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1 //
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2 // PersistenceController.swift
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3 // GeoQuiz
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4 //
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5 // Created by Dennis Concepción Martín on 19/10/22.
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6 //
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7
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8 import CoreData
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21
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9 import SwiftUI
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16
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10
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20
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11 class PersistenceController {
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12 static let shared = PersistenceController()
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16
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13
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21
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14 let container: NSPersistentCloudKitContainer
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15
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16
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16 static var preview: PersistenceController = {
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19
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17 let result = PersistenceController(inMemory: true)
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16
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18 let viewContext = result.container.viewContext
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21
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19 createMockData(nil, viewContext)
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20
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21 return result
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22 }()
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20
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23
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24 init(inMemory: Bool = false) {
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25 container = NSPersistentCloudKitContainer(name: "GeoQuiz")
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26
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27 if inMemory {
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28 container.persistentStoreDescriptions.first!.url = URL(fileURLWithPath: "/dev/null")
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29 }
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30
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31 container.loadPersistentStores(completionHandler: { (storeDescription, error) in
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32 if let error = error as NSError? {
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33 fatalError("Unresolved error \(error), \(error.userInfo)")
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34 }
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35 })
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36
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37 container.viewContext.automaticallyMergesChangesFromParent = true
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38 }
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21
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39
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40 #if DEBUG
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41 static func createMockData(_ playedGames: FetchedResults<PlayedGame>?, _ moc: NSManagedObjectContext) {
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42 for _ in 0..<10 {
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43 let playedGame = PlayedGame(context: moc)
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44
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45 playedGame.type = GameType(rawValue: Int16.random(in: 0...3))!
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46 playedGame.score = Int32.random(in: 0...50)
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47 playedGame.date = Date()
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48
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49 if playedGame.type == .guessTheFlag || playedGame.type == .guessTheCapital {
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50 playedGame.correctAnswers = ["Bangladesh", "Belgium", "Burkina Faso", "Bermuda", "Jamaica"]
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51 playedGame.wrongAnswers = ["Belarus", "Russia"]
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52 } else {
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53 playedGame.correctAnswers = ["Herat", "Lobito", "Darregueira", "San Juan"]
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54 playedGame.wrongAnswers = ["San Luis", "Oranjestad"]
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55 }
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56 }
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57 do {
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58 try moc.save()
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59 } catch {
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60 let nsError = error as NSError
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61 fatalError("Unresolved error \(nsError), \(nsError.userInfo)")
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62 }
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63 }
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64 #endif
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16
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65 }
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