/*

    Copyright (C) 2016 Apple Inc. All Rights Reserved.

    See LICENSE.txt for this sample’s licensing information

    Abstract:

    This code sample shows how to fetch all subscriptions from the private database.

*/

import CloudKit

class FetchAllSubscriptionsSample: CodeSample {

    init() {

        super.init(

            title: "fetchAllSubscriptionsWithCompletionHandler",

            className: "CKDatabase",

            methodName: ".fetchAllSubscriptionsWithCompletionHandler()",

            descriptionKey: "Subscriptions.FetchAllSubscriptions"

        )

    }

    override func run(completionHandler: (Results, NSError!) -> Void) {

        let container = CKContainer.defaultContainer()

        let privateDB = container.privateCloudDatabase

        privateDB.fetchAllSubscriptionsWithCompletionHandler {

            (subscriptions, nsError) in

            let results = Results(alwaysShowAsList: true)

            if let subscriptions = subscriptions {

                if subscriptions.count == 0 {

                    self.listHeading = "No Subscriptions"

                } else {

                    self.listHeading = "Subscriptions:"

                    for subscription in subscriptions {

                        results.items.append(subscription)

                    }

                }

            }

            completionHandler(results, nsError)

        }

    }

}