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Fix swift previews crash

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This commit is contained in:
Avery Pace
2021-11-07 18:12:21 -05:00
parent 06c2d156c9
commit 6cd7dae538
4 changed files with 12 additions and 22 deletions
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8
Toki Trainer/Constants.swift
View File

@@ -7,6 +7,7 @@
import Foundation
import UIKit
import CoreData
struct K {
static let posColors = [
@@ -23,4 +24,11 @@ struct K {
"oth": UIColor.systemBrown,
"extra": UIColor.systemBrown
]
static var getFlashCardAnswersFetchRequest: NSFetchRequest<FlashCardAnswer> {
let request: NSFetchRequest<FlashCardAnswer> = FlashCardAnswer.fetchRequest()
request.sortDescriptors = []
return request
}
}

16
Toki Trainer/Views/FlashCardResultsView.swift
View File

@@ -10,13 +10,12 @@ import SwiftUI
struct FlashCardResultsView: View {
@Environment(\.managedObjectContext) private var viewContext
@FetchRequest(entity:FlashCardAnswer.entity(), sortDescriptors: [NSSortDescriptor(keyPath: \FlashCardAnswer.word, ascending: false)], predicate: NSPredicate(format: "word == %@", "a")) var flashCardAnswers: FetchedResults<FlashCardAnswer>
@FetchRequest(fetchRequest: K.getFlashCardAnswersFetchRequest) var answers: FetchedResults<FlashCardAnswer>
@State private var statistics = 0.0
func calculateStatistics() {
print("count: \(flashCardAnswers.count)")
for answer in flashCardAnswers {
for answer in answers {
if answer.triesCount != 0 {
print("word: \(answer.word)")
print("tries: \(answer.triesCount)")
@@ -25,16 +24,7 @@ struct FlashCardResultsView: View {
}
}
}
// func calculateStatistics() {
// var correctAnswers = 0
// for answer in flashCardAnswers {
// if answer.correct {
// correctAnswers += 1
// }
// self.statistics = Double(correctAnswers) / Double(flashCardAnswers.count)
// }
// }
var body: some View {
Text("Percentage: \(statistics)")

2
Toki Trainer/Views/FlashCardView.swift
View File

@@ -39,7 +39,7 @@ extension Binding {
struct FlashCardStack: View {
@Environment(\.managedObjectContext) private var viewContext
@FetchRequest(entity:FlashCardAnswer.entity(), sortDescriptors: [NSSortDescriptor(keyPath: \FlashCardAnswer.word, ascending: false)]) var flashCardAnswers: FetchedResults<FlashCardAnswer>
@FetchRequest(fetchRequest: K.getFlashCardAnswersFetchRequest) var flashCardAnswers: FetchedResults<FlashCardAnswer>
var dictionary: [TokiDictEntry]
@State private var flashCards: [FlashCard] = []