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A browser/server based CouchDB client library supporting attachments and change notification.

example/wilt.dart

/*
 * Package : WiltServerClient
 * Author : S. Hamblett <steve.hamblett@linux.com>
 * Date   : 03/09/2018
 * Copyright :  S.Hamblett
 */

import 'package:wilt/wilt.dart';
import 'package:json_object_lite/json_object_lite.dart' as jsonobject;

/// A simple Wilt client example.
/// Please adjust the settings in wilt_test_config to suite your CouchDb setup.
/// If you are using the browser test please check your CORS settings
/// in CouchDB.
/// For more detailed examples of the API see the test suite.
///
void main() async {
  /// Set as needed
  const hostName = 'localhost';
  const serverPort = 5984;
  const useSSL = false;
  const userName = 'xxxx';
  const userPassword = 'yyyyy';

  /// Create a test client
  final wilting = Wilt(hostName, port: serverPort, useSSL: useSSL);

  // Login if we are using authentication. If you are using authentication
  // try the example with this commented out, you should see all
  // the operations fail with 'not authorised'.
  wilting.login(userName, userPassword);

  /// Create an example database
  dynamic res = await wilting.createDatabase('wilt_example');
  if (!res.error) {
    final dynamic successResponse = res.jsonCouchResponse;
    if (successResponse.ok) {
      print('EXAMPLE:: Example database created OK');
    } else {
      print('EXAMPLE:: Example database creation failed');
    }
  } else {
    print('EXAMPLE:: Example database creation failed');
  }

  /// Create a test document
  wilting.db = 'wilt_example';
  String? returnedDocRev;
  const putId = 'exampletestid';
  final dynamic document = jsonobject.JsonObjectLite<dynamic>();
  document.title = 'Created by a Put Request';
  document.version = 1;
  document.author = 'SJH';
  res = await wilting.putDocument(putId, document);
  if (!res.error) {
    final dynamic successResponse = res.jsonCouchResponse;
    if (successResponse.ok) {
      returnedDocRev = WiltUserUtils.getDocumentRev(successResponse);
      print(
          'EXAMPLE:: Example document created OK, revision is $returnedDocRev');
    } else {
      print('EXAMPLE:: Example document creation failed');
    }
  } else {
    print('EXAMPLE:: Example document creation failed');
  }

  /// Update the document to version 2, note we now supply the returned
  /// document revision from above.
  document.version = 2;
  res = await wilting.putDocument(putId, document, returnedDocRev);
  if (!res.error) {
    final dynamic successResponse = res.jsonCouchResponse;
    if (successResponse.ok) {
      returnedDocRev = WiltUserUtils.getDocumentRev(successResponse);
      print(
          'EXAMPLE:: Example document updated OK, revision is $returnedDocRev');
    } else {
      print('EXAMPLE:: Example document update failed');
    }
  } else {
    print('EXAMPLE:: Example document update failed');
  }

  /// Read it back
  res = await wilting.getDocument(putId);
  if (!res.error) {
    final dynamic successResponse = res.jsonCouchResponse;
    returnedDocRev = WiltUserUtils.getDocumentRev(successResponse);
    print('EXAMPLE:: Example document read OK, revision is $returnedDocRev');
    print('EXAMPLE:: Example document read OK, title is '
        '${successResponse.title}');
    print('EXAMPLE:: Example document read OK, version is '
        '${successResponse.version}');
    print('EXAMPLE:: Example document read OK, author is '
        '${successResponse.author}');
  } else {
    print('EXAMPLE:: Example document read failed');
  }
}
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A browser/server based CouchDB client library supporting attachments and change notification.

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Documentation

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Funding

Consider supporting this project:

www.darticulate.com

License

GPL-3.0 (license)

Dependencies

crypto, http, json_object_lite

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