SwiftUI Alerts

AlertItem.swift

//
//  AlertItem.swift
//
//  Created by Brett Bauman on 7/25/23.

import Foundation
import SwiftUI

struct AlertItem: Identifiable {

    let id = UUID()
    let title: String
    var message: String? = nil
    var primaryButton: Alert.Button = .default(Text("OK"))
    var secondaryButton: Alert.Button? = nil

    var messageText: Text? {
        if let message {
            return Text(message)
        } else {
            return nil
        }
    }
}

extension View {

    func alert(alertItem: Binding<AlertItem?>) -> some View {
        self.alert(item: alertItem) { alertItem in
            if let secondaryButton = alertItem.secondaryButton {
                return Alert(
                    title: Text(alertItem.title),
                    message: alertItem.messageText,
                    primaryButton: alertItem.primaryButton,
                    secondaryButton: secondaryButton
                )
            } else {
                return Alert(
                    title: Text(alertItem.title),
                    message: alertItem.messageText,
                    dismissButton: alertItem.primaryButton
                )
            }
        }
    }
}