fix repetitive save of WorkoutItem, add: Onboarding, Defaults, Settings, Trainer/Trainee skeletons, reorder files, remove all Bindable

WorkoutsPlus/Models/Workout.swift

@@ -0,0 +1,68 @@
+//
+//  Workout.swift
+//  WorkoutsPlus
+//
+//  Created by Felix Förtsch on 10.08.24.
+//
+
+import Foundation
+import SwiftData
+
+@Model
+final class Workout: Nameable {
+		static var systemImage = "figure.run.square.stack"
+		
+		var id = UUID()
+		@Attribute(.unique) var name: String
+		
+		// Other properties and methods
+		var timestamp: Date = Date.now
+		
+		@Relationship(deleteRule: .cascade) var workoutItems: [WorkoutItem] = []
+		
+		init(name: String) {
+				self.name = name
+		}
+		
+		func add(workoutItem: WorkoutItem) {
+				self.workoutItems.append(workoutItem)
+				updateWorkoutItemsPositions()
+		}
+		
+		func add(workoutItems: [WorkoutItem]) {
+				for workoutItem in workoutItems {
+						self.workoutItems.append(workoutItem)
+				}
+				updateWorkoutItemsPositions()
+		}
+		
+		func moveWorkoutItem(from source: IndexSet, to destination: Int) {
+				workoutItems.move(fromOffsets: source, toOffset: destination)
+				updateWorkoutItemsPositions()
+		}
+		
+		private func updateWorkoutItemsPositions() {
+				for (index, exercise) in workoutItems.enumerated() {
+						exercise.position = index
+				}
+		}
+		
+}
+
+extension Workout {
+		private convenience init(name: String, exercises: [WorkoutItem]) {
+				self.init(name: name)
+				self.workoutItems = exercises
+		}
+		
+		static let sampleData: Workout = {
+				var workout = Workout(name: "Recommended Routine")
+				
+				for workoutItem in WorkoutItem.sampleData {
+						workout.add(workoutItem: workoutItem)
+				}
+				
+				return workout
+		}()
+		
+}