(Swift 3,4,5...) Get a List of Message IDs in GMail User's Mailbox

Demonstrates how to get a list of message IDs in a GMail mailbox. The "userId" can be either the user's email address or the special value "me" to indicate the authenticated user.

For more information, see https://developers.google.com/gmail/api/v1/reference/users/messages/list

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

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

    let http = CkoHttp()!

    http.authToken = "ACCESS_TOKEN"

    http.accept = "application/json"

    var resp: CkoHttpResponse? = http.quickRequest("GET", url: "https://www.googleapis.com/gmail/v1/users/userId/messages")
    if http.lastMethodSuccess != true {
        print("\(http.lastErrorText!)")
        return
    }

    print("Response Status Code: \(resp!.statusCode.intValue)")

    let jsonResponse = CkoJsonObject()!
    jsonResponse.load(resp!.bodyStr)
    jsonResponse.emitCompact = false
    print("\(jsonResponse.emit()!)")

    if resp!.statusCode.intValue != 200 {
        print("Failed.")
        resp = nil
        return
    }

    resp = nil

    // {
    //   "messages": [
    //     users.messages Resource
    //   ],
    //   "nextPageToken": string,
    //   "resultSizeEstimate": unsigned integer
    // }

    var id: String?
    var threadId: String?

    var resultSizeEstimate: Int = jsonResponse.int(of: "resultSizeEstimate").intValue
    var i: Int = 0
    var count_i: Int = jsonResponse.size(ofArray: "messages").intValue
    while i < count_i {
        jsonResponse.i = i
        id = jsonResponse.string(of: "messages[i].id")
        threadId = jsonResponse.string(of: "messages[i].threadId")
        i = i + 1
    }


}