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

WorkoutsPlus/Models/WorkoutItem.swift

@@ -0,0 +1,77 @@
+//
+//  WorkoutItem.swift
+//  WorkoutsPlus
+//
+//  Created by Felix Förtsch on 10.08.24.
+//
+
+import Foundation
+import SwiftData
+
+@Model
+final class WorkoutItem: Nameable, Positionable {
+		var id = UUID()
+		var name: String
+		
+		var workout: Workout?
+		var workoutItemType: WorkoutItemType
+		var position: Int = 0
+		
+		var reps: Int = 8
+		
+		// EXERCISE
+		var exercise: Exercise?
+		// TODO: Think about what's happening when an exercise (template) is deleted or changed
+		//		{ didSet { self.name = exercise?.name ?? "self.name" } }
+		
+		init(_ reps: Int, _ exercise: String) {
+				self.workoutItemType = .exercise
+				
+				self.name = exercise
+				self.reps = reps
+				self.exercise = Exercise(exercise)
+		}
+		
+		init(from exercise: Exercise) {
+				self.workoutItemType = .exercise
+				
+				self.name = exercise.name
+				self.exercise = exercise
+		}
+		
+		// SET
+		var workoutItems: [WorkoutItem] = []
+		
+		init(workoutItems: [WorkoutItem] = []) {
+				self.name = "Set"
+				self.workoutItemType = .set
+				self.reps = 3
+				workoutItems.forEach(addChild)
+		}
+		
+		func addChild(_ child: WorkoutItem) {
+				if self.workoutItemType == .set {
+						self.workoutItems.append(child)
+				}
+		}
+}
+
+extension WorkoutItem {
+		enum WorkoutItemType: Codable {
+				case set
+				case workout
+				case exercise
+		}
+}
+
+extension WorkoutItem {
+		static let sampleData: [WorkoutItem] = {
+				var exercises = [WorkoutItem]()
+				
+				for exercise in Exercise.sampleData {
+						exercises.append(WorkoutItem(from: exercise))
+				}
+				
+				return exercises
+		}()
+}