Node.js GMail: Lists the messages in the user's mailbox.

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Lists the messages in the user's mailbox.

Documentation: https://developers.google.com/gmail/api/v1/reference/users/messages/list

var os = require('os');
if (os.platform() == 'win32') {  
    var chilkat = require('chilkat_node6_win32'); 
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('chilkat_node6_arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('chilkat_node6_linux32');
    } else {
        var chilkat = require('chilkat_node6_linux64');
    }
} else if (os.platform() == 'darwin') {
    var chilkat = require('chilkat_node6_macosx');
}

function chilkatExample() {

    var rest = new chilkat.Rest();
    var success;

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

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

    var sbJson = new chilkat.StringBuilder();
    success = rest.FullRequestNoBodySb("GET","/gmail/v1/users/me/messages",sbJson);
    if (success !== true) {
        console.log(rest.LastErrorText);
        return;
    }

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

    var json = new chilkat.JsonObject();
    json.LoadSb(sbJson);

    //  The following code parses the JSON response.
    //  A sample JSON response is shown below the sample code.
    var resultSizeEstimate;
    var i;
    var count_i;
    var id;
    var threadId;

    resultSizeEstimate = json.IntOf("resultSizeEstimate");
    i = 0;
    count_i = json.SizeOfArray("messages");
    while (i < count_i) {
        json.I = i;
        id = json.StringOf("messages[i].id");
        threadId = json.StringOf("messages[i].threadId");
        i = i+1;
    }

    console.log("Example Completed.");

}

chilkatExample();

Sample JSON Response Body

{
  "messages": [
    {
      "id": "15fc237e79da4174",
      "threadId": "15fc237e79da4174"
    },
    {
      "id": "15fc23688c553739",
      "threadId": "15fc23688c553739"
    },
    {
      "id": "15fbd37d3a8f9950",
      "threadId": "15fbd37d3a8f9950"
    },
    {
      "id": "15fb5e49b822ac1d",
      "threadId": "15fb5e49b822ac1d"
    },
    {
      "id": "15fb5e49b7a0739b",
      "threadId": "15fb5e49b7a0739b"
    }
  ],
  "resultSizeEstimate": 5
}