TokiTrainer/Toki Trainer/Views/FlashCardLessonsView.swift

93 lines
3.1 KiB
Swift

//
// FlashCardLessonsView.swift
// Toki Trainer
//
// Created by Avery Ada Pace on 11/8/21.
//
import SwiftUI
struct FlashCardLessonsView: View {
@Environment(\.managedObjectContext) private var viewContext
@FetchRequest(fetchRequest: K.getFlashCardAnswersFetchRequest) var answers: FetchedResults<FlashCardAnswer>
@FetchRequest(fetchRequest: K.getLessonAnswersFetchRequest) var lessonAnswers: FetchedResults<LessonAnswer>
@ObservedObject var flashCardLessonsVM = FlashCardLessonsViewModel()
@State private var lessonStatistics: [String: Double] = [:]
@State private var statisticsCalculated = false
func calculateStatistics(_ lesson: TokiLesson) {
for lessonAnswer in lessonAnswers {
if lessonAnswer.lesson == lesson.lesson {
self.lessonStatistics[lesson.lesson] = (Double(lessonAnswer.correctCount) / Double(lessonAnswer.triesCount) * 100)
}
}
self.statisticsCalculated = true
}
// func calculateStatistics(_ lesson: TokiLesson) {
// for answer in answers {
// wordStatistics[answer.word!] = (Double(answer.correctCount) / Double(answer.triesCount)) * 100
// }
//
//
// for word in lesson.words {
// buildLessonStatistics[lesson.lesson] = []
// buildLessonStatistics[lesson.lesson]?.append(wordStatistics[word.word]!)
// }
//
// for (key, value) in buildLessonStatistics {
// let sumArray = value.reduce(0, +)
// let avgArrayValue = sumArray / Double(value.count)
// lessonStatistics[key] = avgArrayValue
// }
//
//
//// for word in lesson.words {
//// for answer in answers {
//// if answer.word == word.word {
//// lessonStatistics[lesson.lesson] = (Double(answer.correctCount) / Double(answer.triesCount)) * 100
//// }
//// }
//// }
// self.statisticsCalculated = true
// }
func calculateBackgroundColor(_ percent: Double) -> Color {
if percent >= 80 {
return Color.green
} else if percent >= 40 {
return Color.yellow
} else {
return Color.red
}
}
var body: some View {
NavigationView {
List(flashCardLessonsVM.lessons, id: \.lesson) { lesson in
NavigationLink(destination: FlashCardView(lesson: lesson.lesson, passedDictionary: lesson.words)) {
Text(lesson.lesson)
.bold()
.onAppear {
calculateStatistics(lesson)
}
Spacer()
if statisticsCalculated && lessonStatistics[lesson.lesson] != nil {
Text("\(String(format: "%.0f", lessonStatistics[lesson.lesson]!)) %")
.multilineTextAlignment(.leading)
}
}
}
.navigationBarTitle("Lessons")
}
}
}
struct FlashCardLessonsView_Previews: PreviewProvider {
static var previews: some View {
FlashCardLessonsView()
}
}