Send communication and Time Sensitive notifications

// Setting up notification actions with icons

let likeActionIcon = UNNotificationActionIcon(systemImageName: "hand.thumbsup")
let likeAction = UNNotificationAction(identifier: "like-action",
                                           title: "Like",
                                         options: [],
                                            icon: likeActionIcon)
        
let commentActionIcon = UNNotificationActionIcon(templateImageName: "text.bubble")
let commentAction = UNTextInputNotificationAction(identifier: "comment-action",
                                                       title: "Comment",
                                                     options: [],
                                                        icon: commentActionIcon,
                                        textInputButtonTitle: "Post",
                                        textInputPlaceholder: "Type here…")

let category = UNNotificationCategory(identifier: "update-actions",
                                         actions: [likeAction, commentAction],
                               intentIdentifiers: [], options: [])

// Interruption levels

let enum UNNotificationInterruptionLevel : Int {
    case passive = 0
    case active = 1
    case timeSensitive = 2
    case critical = 3
    public static var `default`: UNNotificationInterruptionLevel { get }
}

// Interruption levels
// Local notification

import UserNotifications

let content = UNMutableNotificationContent()
content.title = "Passive"
content.body = "I’m a passive notification, so I won’t interrupt you."
content.interruptionLevel = .passive

let trigger = UNTimeIntervalNotificationTrigger(timeInterval: 5, repeats: false)

let request = UNNotificationRequest(identifier: "passive-request-example",
                                       content: content,
                                       trigger: trigger)

// Interruption levels
// Push notification

{
    "aps" : {
        "alert" : {
            "title" : "Passive",
            "body" : "I’m a passive notification, so I won’t interrupt you."
        }
        "interruption-level" : "passive"
    }
}

// Time Sensitive
// Local notification

let content = UNMutableNotificationContent()
content.title = "Urgent"
content.body = "Your account requires attention."
content.interruptionLevel = .timeSensitive

let trigger = UNTimeIntervalNotificationTrigger(timeInterval: 0, repeats: false)

let request = UNNotificationRequest(identifier: "time-sensitive—example",
                                       content: content,
                                       trigger: trigger)

// Time Sensitive
// Push notification

{
    "aps" : {
        "alert" : {
            "title" : "Urgent",
            "body" : "Your account requires attention."
        }
        "interruption-level" : "time-sensitive"
    }
}

// New UserNotifications API

@available(macOS 12.0, *)
public protocol UNNotificationContentProviding : NSObjectProtocol {}

open class UNNotificationContent : NSObject, NSCopying, NSMutableCopying, NSSecureCoding {
    // ...

    @available(macOS 12.0, *)
    open func updating(from provider: UNNotificationContentProviding) throws 
                                                    -> UNNotificationContent

    // ...
}

// Create a messaging notification
// In UNNotificationServiceExtension subclass

func didReceive(_ request: UNNotificationRequest,
                withContentHandler contentHandler: @escaping (UNNotificationContent) -> Void) {
    let incomingMessageIntent: INSendMessageIntent = // ...
    let interaction = INInteraction(intent: incomingMessageIntent, response: nil)
    interaction.direction = .incoming
    interaction.donate(completion: nil)
    do {
        let messageContent = try request.content.updating(from: incomingMessageIntent)
        contentHandler(messageContent)
    } catch {
       // Handle error
    }
}

// Create a call notification
// In UNNotificationServiceExtension subclass

func didReceive(_ request: UNNotificationRequest,
                withContentHandler contentHandler: @escaping (UNNotificationContent) -> Void) {
    let incomingCallIntent: INStartCallIntent = // ...
    let interaction = INInteraction(intent: incomingCallIntent, response: nil)
    interaction.direction = .incoming
    interaction.donate(completion: nil)
    do {
        let callContent = try request.content.updating(from: incomingCallIntent)
        contentHandler(callContent)
    } catch {
       // Handle error
    }
}

func sendMessage(...) {
    // ...

    let intent: INSendMessageIntent = // ...
    let interaction = INInteraction(intent: intent, response: nil)

    interaction.direction = .outgoing
    interaction.donate(completion: nil)
}

// Create INPerson

let person = INPerson(personHandle: handle,
                    nameComponents: nameComponents,
                       displayName: displayName,
                             image: image,
                 contactIdentifier: contactIdentifier,
                  customIdentifier: customIdentifier,
                           aliases: nil,
                    suggestionType: suggestionType)

// Create INSendMessageIntent
// In your notification service extension

let intent = INSendMessageIntent(recipients: [person2],
                        outgoingMessageType: .outgoingMessageText,
                                    content: content,
                         speakableGroupName: speakableGroupName,
                     conversationIdentifier: conversationIdentifier,
                                serviceName: serviceName,
                                     sender: person1,
                                attachments: nil)

let interaction = INInteraction(intent: intent, response: nil)
interaction.direction = .incoming