todos/App/Sources/Models/Todo.swift

import Foundation
import SwiftData

/// Represents a todo task created by a user.
@Model
final class Todo {

    // MARK: Properties

    /// A date when the todo was completed, if applicable.
    var completed: Date?

    /// A date by which the todo should be completed.
    var due: Date

    /// An optional note providing additional details about the todo task.
    var note: String?

    /// The display order of the todo task.
    var order: Int

    /// The title of the todo task.
    var title: String

    // MARK: Initializers

    /// Creates a new todo item.
    /// - Parameters:
    ///   - title: The title of the todo item.
    ///   - note: An optional note providing additional details.
    ///   - due: The date by which the todo should be completed.
    ///   - completed: The date when the todo was completed, if applicable.
    ///   - order: The display order of the todo task.
    init(
        title: String,
        note: String? = nil,
        due: Date,
        completed: Date? = nil,
        order: Int = 0
    ) {
        self.completed = completed
        self.due = due
        self.note = note
        self.order = order
        self.title = title
    }

}