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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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9
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20
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10 class PersistenceController {
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11 static let shared = PersistenceController()
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16
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12
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13 // Create mock data for previews
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14 static var preview: PersistenceController = {
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19
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15 let result = PersistenceController(inMemory: true)
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16
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16 let viewContext = result.container.viewContext
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17
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19
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18 for _ in 0..<10 {
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19 let playedGame = PlayedGame(context: viewContext)
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20 playedGame.type = GameType(rawValue: Int16.random(in: 0...3))!
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21 playedGame.score = Int32.random(in: 0...50)
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22 playedGame.date = Date()
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23
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24 if playedGame.type == .guessTheFlag || playedGame.type == .guessTheCapital {
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25 playedGame.correctAnswers = ["Bangladesh", "Belgium", "Burkina Faso", "Bermuda", "Jamaica"]
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26 playedGame.wrongAnswers = ["Belarus", "Russia"]
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27 } else {
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28 playedGame.correctAnswers = ["Herat", "Lobito", "Darregueira", "San Juan"]
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29 playedGame.wrongAnswers = ["San Luis", "Oranjestad"]
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30 }
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31 }
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32 do {
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33 try viewContext.save()
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34 } catch {
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35 let nsError = error as NSError
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36 fatalError("Unresolved error \(nsError), \(nsError.userInfo)")
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37 }
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19
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38
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39 return result
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40 }()
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20
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41
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42 let container: NSPersistentCloudKitContainer
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43
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44 init(inMemory: Bool = false) {
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45 container = NSPersistentCloudKitContainer(name: "GeoQuiz")
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46
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47 if inMemory {
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48 container.persistentStoreDescriptions.first!.url = URL(fileURLWithPath: "/dev/null")
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49 }
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50
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51 container.loadPersistentStores(completionHandler: { (storeDescription, error) in
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52 if let error = error as NSError? {
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53 fatalError("Unresolved error \(error), \(error.userInfo)")
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54 }
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55 })
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56
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57 container.viewContext.automaticallyMergesChangesFromParent = true
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58 }
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16
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59 }
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