add minimal case for ExerciseLibrary

WorkoutsPlus/ContentView.swift

@@ -9,53 +9,83 @@ import SwiftUI
 import SwiftData
 
 struct ContentView: View {
-    @Environment(\.modelContext) private var modelContext
-    @Query private var items: [Item]
-
-    var body: some View {
-        NavigationSplitView {
-            List {
-                ForEach(items) { item in
-                    NavigationLink {
-                        Text("Item at \(item.timestamp, format: Date.FormatStyle(date: .numeric, time: .standard))")
-                    } label: {
-                        Text(item.timestamp, format: Date.FormatStyle(date: .numeric, time: .standard))
-                    }
-                }
-                .onDelete(perform: deleteItems)
-            }
-            .toolbar {
-                ToolbarItem(placement: .navigationBarTrailing) {
-                    EditButton()
-                }
-                ToolbarItem {
-                    Button(action: addItem) {
-                        Label("Add Item", systemImage: "plus")
-                    }
-                }
-            }
-        } detail: {
-            Text("Select an item")
-        }
-    }
-
-    private func addItem() {
-        withAnimation {
-            let newItem = Item(timestamp: Date())
-            modelContext.insert(newItem)
-        }
-    }
-
-    private func deleteItems(offsets: IndexSet) {
-        withAnimation {
-            for index in offsets {
-                modelContext.delete(items[index])
-            }
-        }
-    }
+		@Environment(\.modelContext) private var modelContext
+		@Query private var items: [Exercise]
+		
+		let initialDataSet = [
+				"Pull-up",
+				"Push-up",
+				"Dips",
+				"Rows",
+				"Split Squat"
+		]
+		
+		var body: some View {
+				NavigationSplitView {
+						List {
+								ForEach(items) { item in
+										NavigationLink {
+												Text("Item at \(item.name)")
+										} label: {
+												Text(item.name)
+										}
+								}
+								.onDelete(perform: deleteItems)
+						}
+						.onAppear {
+								if items.isEmpty {
+										loadInitialData(exercises: initialDataSet )
+								}
+						}
+						.toolbar {
+								ToolbarItem(placement: .navigationBarTrailing) {
+										EditButton()
+								}
+								ToolbarItem {
+										Button(action: addItem) {
+												Label("Add Item", systemImage: "plus")
+										}
+								}
+						}
+				} detail: {
+						Text("Select an item")
+				}
+		}
+		
+		private func addItem() {
+				withAnimation {
+						let newItem = Exercise(name: "New Exercise")
+						modelContext.insert(newItem)
+				}
+		}
+		
+		private func deleteItems(offsets: IndexSet) {
+				withAnimation {
+						for index in offsets {
+								modelContext.delete(items[index])
+						}
+				}
+		}
+		
+		private func loadInitialData(exercises: [String]) {
+				var items: [Exercise] = []
+				
+				for exercise in exercises {
+						let item = Exercise(name: exercise)
+						items.append(item)
+				}
+				
+				for item in items {
+						modelContext.insert(item)
+				}
+				
+				try? modelContext.save()  // Daten speichern
+		}
 }
 
+
+
 #Preview {
-    ContentView()
-        .modelContainer(for: Item.self, inMemory: true)
+		ContentView()
+				.modelContainer(for: Exercise.self, inMemory: true)
 }

WorkoutsPlus/Exercise.swift

@@ -0,0 +1,20 @@
+//
+//  Item.swift
+//  WorkoutsPlus
+//
+//  Created by Felix Förtsch on 10.08.24.
+//
+
+import Foundation
+import SwiftData
+
+@Model
+final class Exercise {
+		var name: String
+		var timestamp: Date
+		
+		init(name: String, timestamp: Date = Date.now) {
+				self.name = name
+				self.timestamp = timestamp
+		}
+}

WorkoutsPlus/Item.swift

@@ -1,18 +0,0 @@
-//
-//  Item.swift
-//  WorkoutsPlus
-//
-//  Created by Felix Förtsch on 10.08.24.
-//
-
-import Foundation
-import SwiftData
-
-@Model
-final class Item {
-    var timestamp: Date
-    
-    init(timestamp: Date) {
-        self.timestamp = timestamp
-    }
-}

WorkoutsPlus/WorkoutsPlusApp.swift

@@ -10,23 +10,23 @@ import SwiftData
 
 @main
 struct WorkoutsPlusApp: App {
-    var sharedModelContainer: ModelContainer = {
-        let schema = Schema([
-            Item.self,
-        ])
-        let modelConfiguration = ModelConfiguration(schema: schema, isStoredInMemoryOnly: false)
-
-        do {
-            return try ModelContainer(for: schema, configurations: [modelConfiguration])
-        } catch {
-            fatalError("Could not create ModelContainer: \(error)")
-        }
-    }()
-
-    var body: some Scene {
-        WindowGroup {
-            ContentView()
-        }
-        .modelContainer(sharedModelContainer)
-    }
+		var sharedModelContainer: ModelContainer = {
+				let schema = Schema([
+						Exercise.self,
+				])
+				let modelConfiguration = ModelConfiguration(schema: schema, isStoredInMemoryOnly: false)
+				
+				do {
+						return try ModelContainer(for: schema, configurations: [modelConfiguration])
+				} catch {
+						fatalError("Could not create ModelContainer: \(error)")
+				}
+		}()
+		
+		var body: some Scene {
+				WindowGroup {
+						ContentView()
+				}
+				.modelContainer(sharedModelContainer)
+		}
 }