52 lines
1.5 KiB
Swift
52 lines
1.5 KiB
Swift
//
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// FlashCardResultView.swift
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// Toki Trainer
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//
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// Created by Avery Ada Pace on 11/7/21.
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//
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import SwiftUI
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struct FlashCardResultsView: View {
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@Environment(\.managedObjectContext) private var viewContext
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@FetchRequest(entity:FlashCardAnswer.entity(), sortDescriptors: [NSSortDescriptor(keyPath: \FlashCardAnswer.word, ascending: false)], predicate: NSPredicate(format: "word == %@", "a")) var flashCardAnswers: FetchedResults<FlashCardAnswer>
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@State private var statistics = 0.0
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func calculateStatistics() {
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print("count: \(flashCardAnswers.count)")
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for answer in flashCardAnswers {
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if answer.triesCount != 0 {
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print("word: \(answer.word)")
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print("tries: \(answer.triesCount)")
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print("correct: \(answer.correctCount)")
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self.statistics = Double(answer.correctCount) / Double(answer.triesCount)
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}
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}
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}
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// func calculateStatistics() {
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// var correctAnswers = 0
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// for answer in flashCardAnswers {
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// if answer.correct {
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// correctAnswers += 1
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// }
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// self.statistics = Double(correctAnswers) / Double(flashCardAnswers.count)
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// }
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// }
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var body: some View {
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Text("Percentage: \(statistics)")
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.onAppear {
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calculateStatistics()
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}
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}
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}
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struct FlashCardResultView_Previews: PreviewProvider {
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static var previews: some View {
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FlashCardResultsView()
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}
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}
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