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Replace fetch request anotation with on-appear requests

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Because it was needed to refresh the request
Algorithm is currently not working
This commit is contained in:
oliverhnat
2024-04-29 10:55:47 +02:00
parent 3963a35d86
commit 2c87cc340e
1 changed files with 98 additions and 49 deletions
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81
WordAX/Views/AnkiView.swift
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@@ -9,33 +9,34 @@ import SwiftUI
import CoreData
struct AnkiView: View {
@EnvironmentObject var model: WordAXModelView
// @EnvironmentObject var model: WordAXModelView
@Environment(\.managedObjectContext) var moc
// get flashcards to display
@FetchRequest(sortDescriptors: [
NSSortDescriptor(key: "nextSpacedRepetitionMilestone", ascending: false),
NSSortDescriptor(key: "lastSeenOn", ascending: true)
], predicate: NSCompoundPredicate(type: .or, subpredicates: [
NSCompoundPredicate(type: .and, subpredicates: [
NSPredicate(format: "%K != nil", "lastSeenOn"),
NSPredicate(format: "lastSeenOn + nextSpacedRepetitionMilestone < %@", Date() as CVarArg)
]),
NSPredicate(format: "lastSeenOn == nil")
])) var flashcards: FetchedResults<Flashcard>
// @FetchRequest(sortDescriptors: [
// NSSortDescriptor(key: "nextSpacedRepetitionMilestone", ascending: false),
// NSSortDescriptor(key: "lastSeenOn", ascending: true)
// ], predicate: NSCompoundPredicate(type: .or, subpredicates: [
// NSCompoundPredicate(type: .and, subpredicates: [
// NSPredicate(format: "%K != nil", "lastSeenOn"),
// NSPredicate(format: "lastSeenOn + nextSpacedRepetitionMilestone < %@", Date() as CVarArg)
// ]),
// NSPredicate(format: "lastSeenOn == nil")
// ])) var flashcards: FetchedResults<Flashcard>
// get the most recent flashcard
@FetchRequest(sortDescriptors: [],
predicate: NSPredicate(format: "%K != nil", "lastSeenOn")) var soonestFlashcard: FetchedResults<Flashcard>
// @FetchRequest(sortDescriptors: [],
// predicate: NSPredicate(format: "%K != nil", "lastSeenOn")) var soonestFlashcard: FetchedResults<Flashcard>
@State private var timeRemaining = 10
let timer = Timer.publish(every: 1, on: .main, in: .common).autoconnect()
@State var flashcards: [Flashcard] = []
@State var sortedFlashcards: [Flashcard] = []
@State var soonestFlashcard: [Flashcard] = []
@State var showDescription = false
@Environment(\.colorScheme) var colorScheme
var body: some View {
Group {
if !flashcards.isEmpty && flashcards.first != nil {
GeometryReader { geometry in
VStack {
@@ -69,17 +70,65 @@ struct AnkiView: View {
})
timeRemaining = Int(sortedFlashcards.first!.lastSeenOn!.addSpacedRepetitionMilestone(milestone:sortedFlashcards.first!.getSpacedRepetitionMilestone()).timeIntervalSinceNow)
}
refreshFlashcards()
}
.onReceive(timer) { time in
if timeRemaining > 0 {
if timeRemaining > 1 {
timeRemaining -= 1
}
if timeRemaining <= 3 {
refreshFlashcards()
}
}
.background(.gray.opacity(0.3))
.clipShape(.buttonBorder)
.padding(.horizontal)
}
}
else {
Text("No flashcards available")
.foregroundStyle(.black)
.padding()
// .frame(maxWidth: .infinity - 50)
.background(.yellow)
.clipShape(.buttonBorder)
.padding(.vertical, 50)
.padding(.horizontal)
}
}
}
.onAppear {
refreshFlashcards()
}
}
func refreshFlashcards() {
let request = NSFetchRequest<Flashcard>(entityName: "Flashcard")
request.predicate = NSCompoundPredicate(type: .or, subpredicates: [
NSCompoundPredicate(type: .and, subpredicates: [
NSPredicate(format: "%K != nil", "lastSeenOn"),
NSPredicate(format: "lastSeenOn + nextSpacedRepetitionMilestone < %@", Date() as CVarArg)
]),
NSPredicate(format: "lastSeenOn == nil")
])
request.sortDescriptors = [
NSSortDescriptor(key: "nextSpacedRepetitionMilestone", ascending: false),
NSSortDescriptor(key: "lastSeenOn", ascending: true)
]
do {
flashcards = try moc.fetch(request)
} catch {
print("Something went wroooong")
}
let req = NSFetchRequest<Flashcard>(entityName: "Flashcard")
req.predicate = NSPredicate(format: "%K != nil", "lastSeenOn")
do {
soonestFlashcard = try moc.fetch(request)
} catch {
print("Something went bum")
}
}
}