C# Google Drive: List Comments on a File

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Lists the comment on a file. The file is specified by file ID. This example lists comments on the file having id = "0B5drHSd5ZHwgc3RhcnRlcl9maWxlX2Rhc2hlclYw".

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

Chilkat.Rest rest = new Chilkat.Rest();
bool success;

//   Provide a previously obtained OAuth2 access token.
Chilkat.OAuth2 oauth2 = new Chilkat.OAuth2();
oauth2.AccessToken = "OAUTH2_ACCESS_TOKEN";
rest.SetAuthOAuth2(oauth2);

success = rest.Connect("www.googleapis.com",443,true,true);
if (success != true) {
    Debug.WriteLine(rest.LastErrorText);
    return;
}

rest.AddQueryParam("fields","comments");

Chilkat.StringBuilder sbJson = new Chilkat.StringBuilder();
success = rest.FullRequestNoBodySb("GET","/drive/v3/files/0B5drHSd5ZHwgc3RhcnRlcl9maWxlX2Rhc2hlclYw/comments",sbJson);
if (success != true) {
    Debug.WriteLine(rest.LastErrorText);
    return;
}

if (rest.ResponseStatusCode != 200) {
    Debug.WriteLine("Received error response code: " + Convert.ToString(rest.ResponseStatusCode));
    Debug.WriteLine("Response body:");
    Debug.WriteLine(sbJson.GetAsString());
    return;
}

Chilkat.JsonObject json = new Chilkat.JsonObject();
json.LoadSb(sbJson);

//  The following code parses the JSON response.
//  A sample JSON response is shown below the sample code.
int i;
int count_i;
string kind;
string id;
string createdTime;
string modifiedTime;
string authorKind;
string authorDisplayName;
string authorPhotoLink;
bool authorMe;
string htmlContent;
string content;
bool deleted;
bool resolved;
int j;
int count_j;
string action;

i = 0;
count_i = json.SizeOfArray("comments");
while (i < count_i) {
    json.I = i;
    kind = json.StringOf("comments[i].kind");
    id = json.StringOf("comments[i].id");
    createdTime = json.StringOf("comments[i].createdTime");
    modifiedTime = json.StringOf("comments[i].modifiedTime");
    authorKind = json.StringOf("comments[i].author.kind");
    authorDisplayName = json.StringOf("comments[i].author.displayName");
    authorPhotoLink = json.StringOf("comments[i].author.photoLink");
    authorMe = json.BoolOf("comments[i].author.me");
    htmlContent = json.StringOf("comments[i].htmlContent");
    content = json.StringOf("comments[i].content");
    deleted = json.BoolOf("comments[i].deleted");
    resolved = json.BoolOf("comments[i].resolved");
    j = 0;
    count_j = json.SizeOfArray("comments[i].replies");
    while (j < count_j) {
        json.J = j;
        kind = json.StringOf("comments[i].replies[j].kind");
        id = json.StringOf("comments[i].replies[j].id");
        createdTime = json.StringOf("comments[i].replies[j].createdTime");
        modifiedTime = json.StringOf("comments[i].replies[j].modifiedTime");
        authorKind = json.StringOf("comments[i].replies[j].author.kind");
        authorDisplayName = json.StringOf("comments[i].replies[j].author.displayName");
        authorPhotoLink = json.StringOf("comments[i].replies[j].author.photoLink");
        authorMe = json.BoolOf("comments[i].replies[j].author.me");
        htmlContent = json.StringOf("comments[i].replies[j].htmlContent");
        content = json.StringOf("comments[i].replies[j].content");
        deleted = json.BoolOf("comments[i].replies[j].deleted");
        action = json.StringOf("comments[i].replies[j].action");
        j = j + 1;
    }

    i = i + 1;
}

Debug.WriteLine("Example Completed.");

Sample JSON Response Body

{
  "comments": [
    {
      "kind": "drive#comment",
      "id": "AAAABg7vWfw",
      "createdTime": "2017-11-13T17:51:57.906Z",
      "modifiedTime": "2017-11-13T17:51:57.906Z",
      "author": {
        "kind": "drive#user",
        "displayName": "Matt Fausey",
        "photoLink": "//ssl.gstatic.com/s2/profiles/images/silhouette96.png",
        "me": true
      },
      "htmlContent": "This is the 2nd test comment about this file...",
      "content": "This is the 2nd test comment about this file...",
      "deleted": false,
      "resolved": false,
      "replies": [
      ]
    },
    {
      "kind": "drive#comment",
      "id": "AAAABg7tSGw",
      "createdTime": "2017-11-13T17:43:05.735Z",
      "modifiedTime": "2017-11-13T18:25:11.828Z",
      "author": {
        "kind": "drive#user",
        "displayName": "Matt Fausey",
        "photoLink": "//ssl.gstatic.com/s2/profiles/images/silhouette96.png",
        "me": true
      },
      "htmlContent": "This is a test comment about this file...",
      "content": "This is a test comment about this file...",
      "deleted": false,
      "resolved": true,
      "replies": [
        {
          "kind": "drive#reply",
          "id": "AAAABg76H9g",
          "createdTime": "2017-11-13T18:24:12.782Z",
          "modifiedTime": "2017-11-13T18:24:12.782Z",
          "author": {
            "kind": "drive#user",
            "displayName": "Matt Fausey",
            "photoLink": "//ssl.gstatic.com/s2/profiles/images/silhouette96.png",
            "me": true
          },
          "htmlContent": "This is the first reply to a comment.",
          "content": "This is the first reply to a comment.",
          "deleted": false,
          "action": "reopen"
        },
        {
          "kind": "drive#reply",
          "id": "AAAABg76H9k",
          "createdTime": "2017-11-13T18:24:45.085Z",
          "modifiedTime": "2017-11-13T18:24:45.085Z",
          "author": {
            "kind": "drive#user",
            "displayName": "Matt Fausey",
            "photoLink": "//ssl.gstatic.com/s2/profiles/images/silhouette96.png",
            "me": true
          },
          "htmlContent": "This is the second reply to a comment.",
          "content": "This is the second reply to a comment.",
          "deleted": false,
          "action": "resolve"
        },
        {
          "kind": "drive#reply",
          "id": "AAAABg76H9o",
          "createdTime": "2017-11-13T18:25:11.828Z",
          "modifiedTime": "2017-11-13T18:25:11.828Z",
          "author": {
            "kind": "drive#user",
            "displayName": "Matt Fausey",
            "photoLink": "//ssl.gstatic.com/s2/profiles/images/silhouette96.png",
            "me": true
          },
          "htmlContent": "This is the third reply to a comment.",
          "content": "This is the third reply to a comment.",
          "deleted": false,
          "action": "resolve"
        }
      ]
    }
  ]
}