(Swift 3,4,5...) Insert Email into GMail Folder

Directly inserts a message into only this user's mailbox similar to IMAP APPEND, bypassing most scanning and classification. Does not send a message.

This example will create a Chilkat Email object and upload/insert it into GMail. Then adds the "INBOX" label to the email to make it appear in INBOX

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 email = CkoEmail()!

    // This example chooses to load an email from a file.
    var success: Bool = email.loadEml("qa_data/eml/testEmail.eml")
    if success != true {
        print("\(email.lastErrorText!)")
        return
    }

    // Get the email as MIME.
    let sbMime = CkoStringBuilder()!
    email.getMimeSb(sbMime)

    let http = CkoHttp()!
    http.authToken = "GMAIL-ACCESS-TOKEN"

    // Upload to GMail (does not send, but just inserts).

    // IMPORTANT: After uploading/inserting, you won't see the message in the Inbox.
    // In your web browser, if you go to "All Mail", you will see it.

    var url: String? = "https://www.googleapis.com/upload/gmail/v1/users/me/messages?uploadType=media"
    var sendGzipped: Bool = true
    var resp: CkoHttpResponse? = http.pTextSb("POST", url: url, textData: sbMime, charset: "utf-8", contentType: "message/rfc822", md5: false, gzip: sendGzipped)
    if http.lastMethodSuccess != true {
        print("\(http.lastErrorText!)")
        return
    }

    // A status code of 200 indicates success.
    print("Response status code: \(resp!.statusCode.intValue)")
    print("Response body:")
    print("\(resp!.bodyStr!)")

    // The response body contains JSON.
    // A sample successful JSON response:

    // {
    //  "id": "166f583051d36144",
    //  "threadId": "166f5529e079a456"
    // }

    let json = CkoJsonObject()!
    json.load(resp!.bodyStr)
    var id: String? = json.string(of: "id")

    resp = nil

    // Add the Inbox label to the inserted email so that it appears in Inbox.
    print("---- Adding the Inbox label to the newly inserted email. ----")

    // Create the following JSON to be sent in a POST to modify labels for this message.
    // {
    //   "addLabelIds": [
    //     "INBOX"
    //     ]
    // }

    let json2 = CkoJsonObject()!
    json2.update("addLabelIds[0]", value: "INBOX")

    http.setUrlVar("id", value: id)
    url = "https://www.googleapis.com/gmail/v1/users/me/messages/{$id}/modify"

    resp = http.postJson3(url, contentType: "application/json", json: json2)
    if http.lastMethodSuccess != true {
        print("\(http.lastErrorText!)")
        return
    }

    // A status code of 200 indicates success.
    print("Response status code: \(resp!.statusCode.intValue)")
    print("Response body:")
    print("\(resp!.bodyStr!)")

    // The response body contains JSON.
    // A sample successful JSON response:

    // {
    //  "id": "166f583051d36144",
    //  "threadId": "166f583051d36144",
    //  "labelIds": [
    //   "INBOX"
    //  ]
    // }

    resp = nil

}