todos/App/Sources/View Models/ContentViewModel.swift

import SwiftData
import SwiftUI

extension ContentView {

    /// View model for managing the logic for the content view.
    ///
    /// This observable class encapsulates the state and business logic for the main content view.
    /// It follows the MVVM pattern to separate presentation logic from the view layer.
    ///
    /// The view model manages:
    /// - Presentation state for the new task view within a sheet.
    @Observable
    final class ViewModel {

        // MARK: Properties

        /// Whether the new task view should be shown.
        var newTaskShown: Bool

        // MARK: Initialization

        /// Initializes a new view model instance with default values.
        ///
        /// The view model is initialized with:
        /// - New task view hidden
        init() {
            newTaskShown = false
        }

        // MARK: Functions

        /// Shows the new task view by setting the presentation state to true.
        func showNewTask() {
            newTaskShown = true
        }

    }
}