63 lines
1.7 KiB
Swift
63 lines
1.7 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(fetchRequest: K.getFlashCardAnswersFetchRequest) var answers: FetchedResults<FlashCardAnswer>
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@ObservedObject var tokiDictionaryViewModel = TokiDictionaryViewModel()
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@State private var wordStatistics: [String: Double] = [:]
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@State private var sortedWordStatistics: [(String, Double)] = []
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func calculateStatistics() {
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for answer in answers {
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if answer.triesCount > 0 {
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self.wordStatistics[answer.word!] = (Double(answer.correctCount) / Double(answer.triesCount)) * 100
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}
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}
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let sortedStatistics = wordStatistics.sorted {
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return $0.value > $1.value
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}
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self.sortedWordStatistics = sortedStatistics
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}
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func calculateBackgroundColor(_ percent: Double) -> Color {
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if percent >= 80 {
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return Color.green
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} else if percent >= 40 {
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return Color.yellow
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} else {
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return Color.red
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}
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}
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var body: some View {
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List(sortedWordStatistics, id: \.0) { entry in
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HStack {
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Text(entry.0)
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Spacer()
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Text("\(String(format: "%.2f", entry.1)) %")
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}
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.listRowBackground(calculateBackgroundColor(entry.1))
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}
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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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