(Swift 3,4,5...) Subscribe to Mailboxes and List Subscribed Mailboxes

Demonstrates how to list subscribed mailboxes, and unsubscribe/subscribe to a mailbox.

Chilkat Downloads for the Swift Programming Language MAC OS X (Cocoa) Objective-C/Swift Libs iOS Objective-C/Swift Libs

func chilkatTest() {
    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    let imap = CkoImap()!

    // Connect to an IMAP server.
    // Use TLS
    imap.ssl = true
    imap.port = 993
    var success: Bool = imap.connect("imap.someMailServer.com")
    if success != true {
        print("\(imap.lastErrorText!)")
        return
    }

    // Login
    success = imap.login("myLogin", password: "myPassword")
    if success != true {
        print("\(imap.lastErrorText!)")
        return
    }

    // First examine the already subscribed mailboxes.
    var refName: String? = ""
    var wildcardedMailbox: String? = "*"

    // Alternatively, the ListMailboxes method can be called to list all mailboxes (both subscribed and unsubscribed).
    var mboxes: CkoMailboxes? = imap.listSubscribed(refName, wildcardedMailbox: wildcardedMailbox)
    if imap.lastMethodSuccess != true {
        print("\(imap.lastErrorText!)")
        return
    }

    var i: Int
    for i = 0; i <= mboxes!.count.intValue - 1; i++ {
        print("\(mboxes!.getName(i)!)")
    }

    print("----")
    mboxes = nil

    // Sample output.

    // INBOX
    // INBOX/recent
    // INBOX/misc
    // INBOX/misc/solutions
    // ...
    // Outbox
    // Deleted Items
    // Sent Items
    // Drafts
    // Junk E-mail
    // Trash
    // Sent
    // Templates

    // Let's unsubscribe to "INBOX/misc/solutions".
    success = imap.unsubscribe("INBOX/misc/solutions")
    if success != true {
        print("\(imap.lastErrorText!)")
        return
    }

    // Get the list of subscribed mailboxes again to verify that "INBOX/misc/solutions" is missing.
    mboxes = imap.listSubscribed("", wildcardedMailbox: "INBOX/misc*")
    if imap.lastMethodSuccess != true {
        print("\(imap.lastErrorText!)")
        return
    }

    for i = 0; i <= mboxes!.count.intValue - 1; i++ {
        print("\(mboxes!.getName(i)!)")
    }

    mboxes = nil
    print("----")

    // Re-subscribe to "INBOX/misc/solutions".
    success = imap.subscribe("INBOX/misc/solutions")
    if success != true {
        print("\(imap.lastErrorText!)")
        return
    }

    // Get the list of subscribed mailboxes again to verify that "INBOX/misc/solutions" is back in the list.
    mboxes = imap.listSubscribed("", wildcardedMailbox: "INBOX/misc*")
    if imap.lastMethodSuccess != true {
        print("\(imap.lastErrorText!)")
        return
    }

    for i = 0; i <= mboxes!.count.intValue - 1; i++ {
        print("\(mboxes!.getName(i)!)")
    }

    mboxes = nil
    print("----")

    // Disconnect from the IMAP server.
    success = imap.disconnect()

}