Objective-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

#import <CkoRest.h>
#import <CkoOAuth2.h>
#import <CkoStringBuilder.h>
#import <CkoJsonObject.h>
#import <NSString.h>

CkoRest *rest = [[CkoRest alloc] init];
BOOL success;

//   Provide a previously obtained OAuth2 access token.
CkoOAuth2 *oauth2 = [[CkoOAuth2 alloc] init];
oauth2.AccessToken = @"OAUTH2_ACCESS_TOKEN";
[rest SetAuthOAuth2: oauth2];

success = [rest Connect: @"www.googleapis.com" port: [NSNumber numberWithInt: 443] tls: YES autoReconnect: YES];
if (success != YES) {
    NSLog(@"%@",rest.LastErrorText);
    return;
}

[rest AddQueryParam: @"fields" value: @"comments"];

CkoStringBuilder *sbJson = [[CkoStringBuilder alloc] init];
success = [rest FullRequestNoBodySb: @"GET" uriPath: @"/drive/v3/files/0B5drHSd5ZHwgc3RhcnRlcl9maWxlX2Rhc2hlclYw/comments" sb: sbJson];
if (success != YES) {
    NSLog(@"%@",rest.LastErrorText);
    return;
}

if ([rest.ResponseStatusCode intValue] != 200) {
    NSLog(@"%@%d",@"Received error response code: ",[rest.ResponseStatusCode intValue]);
    NSLog(@"%@",@"Response body:");
    NSLog(@"%@",[sbJson GetAsString]);
    return;
}

CkoJsonObject *json = [[CkoJsonObject alloc] init];
[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;
NSString *kind = 0;
NSString *id = 0;
NSString *createdTime = 0;
NSString *modifiedTime = 0;
NSString *authorKind = 0;
NSString *authorDisplayName = 0;
NSString *authorPhotoLink = 0;
BOOL authorMe;
NSString *htmlContent = 0;
NSString *content = 0;
BOOL deleted;
BOOL resolved;
int j;
int count_j;
NSString *action = 0;

i = 0;
count_i = [[json SizeOfArray: @"comments"] intValue];
while (i < count_i) {
    json.I = [NSNumber numberWithInt: 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"] intValue];
    while (j < count_j) {
        json.J = [NSNumber numberWithInt: 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;
}

NSLog(@"%@",@"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"
        }
      ]
    }
  ]
}