Integrate flashcard list into deck view

WordAX/Model/DataController.swift

@@ -23,16 +23,19 @@ class DataController: ObservableObject {
         var deck = Deck(context: viewContext)
         deck.id = UUID()
         deck.name = "This is a deck name"
+        deck.dateAdded = Date()
         decks.append(deck)
         
         deck = Deck(context: viewContext)
         deck.id = UUID()
         deck.name = "Another Deck"
+        deck.dateAdded = Date().addingTimeInterval(-86400)
         decks.append(deck)
 
         deck = Deck(context: viewContext)
         deck.id = UUID()
         deck.name = "Deck"
+        deck.dateAdded = Date().addingTimeInterval(-86400 * 2)
         decks.append(deck)
         
         for _ in 0..<10 {
@@ -49,7 +52,7 @@ class DataController: ObservableObject {
             flashcard.shownCount = [0, 1, 2, 3, 4, 5].randomElement()!
             flashcard.dateAdded = [Date(), Date().addingTimeInterval(-86400), Date().addingTimeInterval(-172800)].randomElement()!
             flashcard.favorite = [true, false].randomElement()!
-//            flashcard.deck = decks.randomElement()
+            flashcard.deck = decks.randomElement()
         }
         do {
             try viewContext.save()

WordAX/Model/Deck/Deck+CoreDataProperties.swift

@@ -18,6 +18,7 @@ extension Deck {
 
     @NSManaged public var id: UUID?
     @NSManaged public var name: String?
+    @NSManaged public var dateAdded: Date?
     @NSManaged public var flashcards: NSSet?
 
 }

WordAX/Model/WordAXCD.xcdatamodeld/WordAX0.0.4.xcdatamodel/contents

@@ -1,17 +1,18 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="22757" systemVersion="23D60" minimumToolsVersion="Automatic" sourceLanguage="Swift" usedWithSwiftData="YES" userDefinedModelVersionIdentifier="">
     <entity name="Deck" representedClassName="Deck" syncable="YES" coreSpotlightDisplayNameExpression="Deck">
+        <attribute name="dateAdded" attributeType="Date" defaultDateTimeInterval="736207200" usesScalarValueType="NO"/>
         <attribute name="id" attributeType="UUID" usesScalarValueType="NO"/>
-        <attribute name="name" attributeType="String"/>
+        <attribute name="name" attributeType="String" spotlightIndexingEnabled="YES"/>
         <relationship name="flashcards" optional="YES" toMany="YES" deletionRule="Cascade" destinationEntity="Flashcard" inverseName="deck" inverseEntity="Flashcard"/>
     </entity>
     <entity name="Flashcard" representedClassName="Flashcard" syncable="YES" coreSpotlightDisplayNameExpression="Card">
         <attribute name="dateAdded" optional="YES" attributeType="Date" usesScalarValueType="NO"/>
-        <attribute name="desc" optional="YES" attributeType="String"/>
+        <attribute name="desc" optional="YES" attributeType="String" spotlightIndexingEnabled="YES"/>
         <attribute name="favorite" attributeType="Boolean" defaultValueString="NO" usesScalarValueType="YES"/>
         <attribute name="id" optional="YES" attributeType="UUID" usesScalarValueType="NO"/>
         <attribute name="lastSeenOn" optional="YES" attributeType="Date" usesScalarValueType="NO"/>
-        <attribute name="name" optional="YES" attributeType="String"/>
+        <attribute name="name" optional="YES" attributeType="String" spotlightIndexingEnabled="YES"/>
         <attribute name="nextSpacedRepetitionMilestone" optional="YES" attributeType="Integer 64" defaultValueString="0" usesScalarValueType="YES"/>
         <attribute name="shown" optional="YES" attributeType="Boolean" usesScalarValueType="YES"/>
         <attribute name="shownCount" optional="YES" attributeType="Integer 64" defaultValueString="0" usesScalarValueType="YES"/>

WordAX/Views/Deck/AddDeckView.swift

@@ -30,6 +30,7 @@ struct AddDeckView: View {
                         let deck = Deck(context: moc)
                         deck.id = UUID()
                         deck.name = name
+                        deck.dateAdded = Date()
                         do {
                             try moc.save()
                             self.isShowing = false

WordAX/Views/Deck/DeckListView.swift

@@ -8,15 +8,20 @@
 import SwiftUI
 
 struct DeckListView: View {
-    @FetchRequest(sortDescriptors: []) var decks: FetchedResults<Deck>
+    @FetchRequest(sortDescriptors: [NSSortDescriptor(key: "dateAdded", ascending: false)]) var decks: FetchedResults<Deck>
     @State var addDeck = false
     @Environment(\.managedObjectContext) var moc
+    @State var addFlashcard = false
     var body: some View {
-        NavigationSplitView {
+        NavigationStack {
             List {
                 ForEach(decks) { deck in
+                    NavigationLink {
+                        FlashCardListView(deck: deck)
+                    } label: {
                         Text(deck.name ?? "Unknown deck name")
                     }
+                }
                 .onDelete(perform: { offsets in
                     for index in offsets {
                         let deck = decks[index]
@@ -43,8 +48,6 @@ struct DeckListView: View {
                 }
             }
             .navigationTitle("All decks")
-        } detail: {
-            Text("Select deck to get details about")
         }
         .sheet(isPresented: $addDeck, content: {
             AddDeckView(isShowing: $addDeck)

WordAX/Views/Flashcards/FlashCardListView.swift

@@ -6,15 +6,18 @@
 //
 
 import SwiftUI
+import CoreData
 
 struct FlashCardListView: View {
     @State var showDescription = true
-    @State var addFlashcard = false
+    @State var addFlashcard: Bool = false
-    @FetchRequest(sortDescriptors: [NSSortDescriptor(key: "favorite", ascending: false), NSSortDescriptor(key: "dateAdded", ascending: false)]) var flashcards: FetchedResults<Flashcard>
+    @State var flashcards: [Flashcard] = []
+    var deck: Deck?
     @Environment(\.managedObjectContext) var moc
+    
     var body: some View {
         GeometryReader { geometry in
-            NavigationSplitView {
+            NavigationStack {
                 Group {
                     if !flashcards.isEmpty {
                         List {
@@ -29,6 +32,7 @@ struct FlashCardListView: View {
                                 for index in offsets {
                                     let flashcard = flashcards[index]
                                     moc.delete(flashcard)
+                                    flashcards.remove(at: index)
                                 }
                                 
                                 do {
@@ -39,16 +43,27 @@ struct FlashCardListView: View {
                             })
                         }
                     } else {
+                        Group {
                             Text("You currently don't have any flashcards. To add flashcards, either click at the '+' button at the top or you can download them from the store (coming soon)")
                                 .padding()
                                 .background(.purple)
                                 .clipShape(.buttonBorder)
-                            .frame(maxWidth: geometry.size.width - 30)
+                        }
+                        .frame(maxHeight: .infinity)
+                        .padding(.horizontal)
                     }
                 }
-                .navigationTitle("All Flashcards")
+                .onAppear {
+                    refreshFlashcards()
+                }
+                .onChange(of: addFlashcard, { oldValue, newValue in
+                    if oldValue {
+                        refreshFlashcards()
+                    }
+                })
+                .navigationBarTitle(deck?.name ?? "All Flashcards", displayMode: deck != nil ? .inline : .automatic)
                 .toolbar {
-                    ToolbarItemGroup(placement: .topBarLeading) {
+                    ToolbarItemGroup(placement: .topBarTrailing) {
                         EditButton()
                     }
                     ToolbarItemGroup(placement: .topBarTrailing) {
@@ -59,14 +74,29 @@ struct FlashCardListView: View {
                         }
                     }
                 }
-            } detail: {
-                Text("Select flashcard to get details about")
             }
             .sheet(isPresented: $addFlashcard, content: {
-                AddFlashCardView(isShowing: $addFlashcard)
+                AddFlashCardView(isShowing: $addFlashcard, selectedDeck: deck)
             })
         }
     }
+    
+    private func refreshFlashcards() {
+        let request = NSFetchRequest<Flashcard>(entityName: "Flashcard")
+        request.sortDescriptors = [NSSortDescriptor(key: "favorite", ascending: false), NSSortDescriptor(key: "dateAdded", ascending: false)]
+        if deck != nil {
+            request.predicate = NSPredicate(format: "deck == %@", deck!)
+            //                        flashcards = deck?.flashcards?.allObjects as? [Flashcard] ?? []
+        }
+        do {
+            flashcards = try moc.fetch(request)
+            print(flashcards)
+        } catch {
+            print("Something went wrong while fetching the flashcards")
+            flashcards = []
+        }
+    }
+
 }
 
 #Preview {