Swift Google Drive: Create a New Comment on a File

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Creates a new comment on a file. The file is specified by file ID. This example creates a comment on the file having id = "0B5drHSd5ZHwgc3RhcnRlcl9maWxlX2Rhc2hlclYw".

Documentation: https://developers.google.com/drive/v3/reference/comments/create

func chilkatTest() {
    let rest = CkoRest()
    var success: Bool

    //   Provide a previously obtained OAuth2 access token.
    let oauth2 = CkoOAuth2()
    oauth2.AccessToken = "OAUTH2_ACCESS_TOKEN"
    rest.SetAuthOAuth2(oauth2)

    success = rest.Connect("www.googleapis.com", port: 443, tls: true, autoReconnect: true)
    if success != true {
        print("\(rest.LastErrorText)")
        return
    }

    rest.AddQueryParam("fields", value: "author,content")

    //  The following code creates the JSON request body.
    //  The JSON created by this code is shown below.
    let jsonReq = CkoJsonObject()
    jsonReq.UpdateString("content", value: "This is a test comment about this file...")

    let sbReq = CkoStringBuilder()
    jsonReq.EmitSb(sbReq)

    rest.AddHeader("Content-Type", value: "application/json")

    let sbJson = CkoStringBuilder()
    success = rest.FullRequestSb("POST", uriPath: "/drive/v3/files/0B5drHSd5ZHwgc3RhcnRlcl9maWxlX2Rhc2hlclYw/comments", requestBody: sbReq, responseBody: sbJson)
    if success != true {
        print("\(rest.LastErrorText)")
        return
    }

    if rest.ResponseStatusCode.integerValue != 200 {
        print("Received error response code: \(rest.ResponseStatusCode.integerValue)")
        print("Response body:")
        print("\(sbJson.GetAsString())")
        return
    }

    let json = CkoJsonObject()
    json.LoadSb(sbJson)

    //  The following code parses the JSON response.
    //  A sample JSON response is shown below the sample code.
    var authorKind: String?
    var authorDisplayName: String?
    var authorPhotoLink: String?
    var authorMe: Bool
    var content: String?

    authorKind = json.StringOf("author.kind")
    authorDisplayName = json.StringOf("author.displayName")
    authorPhotoLink = json.StringOf("author.photoLink")
    authorMe = json.BoolOf("author.me")
    content = json.StringOf("content")

    print("Example Completed.")

}

Sample JSON Request Body

{
  "content": "This is a test comment about this file..."
}

Sample JSON Response Body

{
  "author": {
    "kind": "drive#user",
    "displayName": "Matt Fausey",
    "photoLink": "//ssl.gstatic.com/s2/profiles/images/silhouette96.png",
    "me": true
  },
  "content": "This is a test comment about this file..."
}