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Dart

GeoOp - Export Clients to CSV

See more GeoOp Examples

Export client data to a CSV.

Chilkat Dart Downloads

Dart
import 'package:chilkat/chilkat.dart';

void main() {
  // This example assumes the Chilkat API to have been previously unlocked.
  // See Global Unlock Sample for sample code.

  // This example also assumes an OAuth2 access token was previously fetched.
  // and saved in a JSON file.  

  // First get our previously obtained access token.
  // {"access_token":"e6dqdG....mzjpT04w==","token_type":"Bearer","expires_in":2592000,"owner_id":999236}
  final jsonToken = CkJsonObject();
  jsonToken.loadFile('qa_data/tokens/geoop.json');

  // This example assumes we previously obtained an access token
  final oauth2 = CkOAuth2();
  oauth2.accessToken = jsonToken.stringOf('access_token');

  final rest = CkRest();

  // Connect to GeoOp and send the following GET request:

  // GET /users HTTP/1.1
  // Host: api.geoop.com
  final bAutoReconnect = true;
  try {
    rest.connect('api.geoop.com', 443, true, bAutoReconnect);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Provide the authentication credentials (i.e. the access token)
  rest.setAuthOAuth2(oauth2);

  // Set the X-Version header.
  rest.addHeader('X-Version', '1.0');

  final String responseBody;
  try {
    responseBody = rest.fullRequestNoBody('GET', '/clients');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  final json = CkJsonObject();
  json.emitCompact = false;

  // If the response status code did not indicate success, then see what happened..
  if (rest.responseStatusCode != 200) {
    print('Request Header: ');
    print(rest.lastRequestHeader);
    print('----');
    print('Response StatusCode = ${rest.responseStatusCode}');
    print('Response StatusLine: ${rest.responseStatusText}');
    print('Response Header:');
    print(rest.responseHeader);
    json.load(responseBody);
    print(json.emit());
    return;
  }

  json.load(responseBody);
  // Show the full JSON response.. (see below)
  print(json.emit());
  print('---');

  final csv = CkCsv();
  csv.hasColumnNames = true;
  csv.setColumnName(0, 'id');
  csv.setColumnName(1, 'companyName');
  csv.setColumnName(2, 'businessType');
  csv.setColumnName(3, 'account_id');
  csv.setColumnName(4, 'address_line1');
  csv.setColumnName(5, 'address_city');
  csv.setColumnName(6, 'address_postcode');

  // Iterate over each client and populate the CSV...
  final numRecords = json.sizeOfArray('clients');
  var i = 0;
  while (i < numRecords) {

    json.i = i;
    csv.setCellByName(i, 'id', json.stringOf('clients[i].id'));
    csv.setCellByName(i, 'companyName', json.stringOf('clients[i].companyName'));
    csv.setCellByName(i, 'businessType', json.stringOf('clients[i].businessType'));
    csv.setCellByName(i, 'account_id', json.stringOf('clients[i].account.id'));
    csv.setCellByName(i, 'address_line1', json.stringOf('clients[i].address.line1'));
    csv.setCellByName(i, 'address_city', json.stringOf('clients[i].address.city'));
    csv.setCellByName(i, 'address_postcode', json.stringOf('clients[i].address.postcode'));
    i++;
  }

  // Show the CSV.
  print(csv.saveToString());

  // Save the CSV.
  csv.saveFile('qa_output/clients.csv');

  // ---------------------------------------------------------------------
  // The full JSON response containing all client data:
  // 
  // 	{
  // 	  "result": "success",
  // 	  "clients": [
  // 	    {
  // 	      "id": 9555868,
  // 	      "firstName": "[ Demo",
  // 	      "lastName": "Client ]",
  // 	      "companyName": "Miller Park Cafe",
  // 	      "businessType": "Licensed Restaurant",
  // 	      "leadSource": "",
  // 	      "emailAddress": null,
  // 	      "phoneNumber": null,
  // 	      "mobileNumber": null,
  // 	      "faxNumber": null,
  // 	      "notes": "",
  // 	      "deleted": false,
  // 	      "hasRecentJobs": true,
  // 	      "created": "2016-10-26T12:05:09+00:00",
  // 	      "modified": "2016-10-26T12:05:09+00:00",
  // 	      "billingClient": null,
  // 	      "account": {
  // 	        "id": 39409
  // 	      },
  // 	      "address": {
  // 	        "line1": "1732 Pennsylvania Avenue NW",
  // 	        "line2": "",
  // 	        "city": "Washington",
  // 	        "postcode": "20006",
  // 	        "latitude": 38.899037,
  // 	        "longitude": -77.040207
  // 	      },
  // 	      "mailingAddress": {}
  // 	    },
  // 	    {
  // 	      "id": 9571176,
  // 	      "firstName": "Mildred",
  // 	      "lastName": "Vanildred",
  // 	      "companyName": "Ice Cream Industries",
  // 	      "businessType": "Ice Cream",
  // 	      "leadSource": null,
  // 	      "emailAddress": "milli@icecreamindustries.com",
  // 	      "phoneNumber": "678-555-1012",
  // 	      "mobileNumber": null,
  // 	      "faxNumber": null,
  // 	      "notes": "",
  // 	      "deleted": false,
  // 	      "hasRecentJobs": true,
  // 	      "created": "2016-10-31T12:32:12+00:00",
  // 	      "modified": "2016-10-31T12:32:13+00:00",
  // 	      "billingClient": null,
  // 	      "account": {
  // 	        "id": 39409
  // 	      },
  // 	      "address": {
  // 	        "line1": "2101 West Roosevelt Road",
  // 	        "line2": null,
  // 	        "city": "Wheaton",
  // 	        "postcode": "60187",
  // 	        "latitude": 41.8581778,
  // 	        "longitude": -88.1380111
  // 	      },
  // 	      "mailingAddress": {
  // 	        "line1": "2101 West Roosevelt Road",
  // 	        "line2": null,
  // 	        "city": "Wheaton"
  // 	      }
  // 	    },
  // 	    {
  // 	      "id": 9571218,
  // 	      "firstName": "Joe",
  // 	      "lastName": "Miller",
  // 	      "companyName": "Miller Bakery",
  // 	      "businessType": "Licensed Bakery",
  // 	      "leadSource": "",
  // 	      "emailAddress": null,
  // 	      "phoneNumber": null,
  // 	      "mobileNumber": null,
  // 	      "faxNumber": null,
  // 	      "notes": "",
  // 	      "deleted": false,
  // 	      "hasRecentJobs": true,
  // 	      "created": "2016-10-31T13:02:07+00:00",
  // 	      "modified": "2016-10-31T13:02:07+00:00",
  // 	      "billingClient": null,
  // 	      "account": {
  // 	        "id": 39409
  // 	      },
  // 	      "address": {
  // 	        "line1": "1832 Pennsylvania Avenue NW",
  // 	        "line2": "",
  // 	        "city": "Washington",
  // 	        "postcode": "20006",
  // 	        "latitude": 0,
  // 	        "longitude": 0
  // 	      },
  // 	      "mailingAddress": {
  // 	        "line1": "",
  // 	        "line2": "",
  // 	        "city": ""
  // 	      }
  // 	    }
  // 	  ],
  // 	  "metadata": {
  // 	    "page": 1,
  // 	    "pagesCount": 1,
  // 	    "recordsPerPage": 20,
  // 	    "recordsCount": 3
  // 	  }
  // 	}
  // 
}