(Swift 2) WordPress Create Tag

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Demonstrates how to create a new tag in Wordpress, or to find the ID of an existing tag.

For more information, see https://wordpress.org/plugins/application-passwords/

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

    let http = CkoHttp()
    var success: Bool

    // Use your WordPress login, such as "admin", not the application name.
    http.Login = "wp_username"
    // Use the application password, such as "Nths RwVH eDJ4 weNZ orMN jabq"
    // See WordPress Application Passwords Plugin
    http.Password = "app_password"
    http.BasicAuth = true

    // Create the tag "ChatGPT" if it does not already exist.
    let json = CkoJsonObject()
    json.UpdateString("name", value: "ChatGPT")

    // This will create the tag if it does not yet exist.
    // If the tag already exists, then a 400 status code is returned.
    // If the tag deoes not yet exist, then a 201 status code is returned.
    var resp: CkoHttpResponse? = http.PostJson3("https://cknotes.com/wp-json/wp/v2/tags", contentType: "application/json", json: json)
    if http.LastMethodSuccess == false {
        print("\(http.LastErrorText)")
        return
    }

    let jResp = CkoJsonObject()
    jResp.Load(resp!.BodyStr)

    // Check if the tag already exists..
    if resp!.StatusCode.intValue == 400 {
        if jResp.HasMember("code") == true {
            if jResp.StringOfEquals("code", value: "term_exists", caseSensitive: true) == true {
                // The tag already exists.
                print("The tag already exists.")
                print("Tag ID: \(jResp.IntOf("data.term_id").intValue)")
                jResp = nil
                return
            }

        }

        // Fall through to check for errors.
    }

    // Check for errors.
    if resp!.StatusCode.intValue != 201 {
        print("\(resp!.BodyStr)")
        print("status code = \(resp!.StatusCode.intValue)")
        resp = nil
        return
    }

    // We get here if the tag was created..
    print("The tag was created.")
    print("Tag ID = \(jResp.IntOf("id").intValue)")

    resp = nil

}