wilt 4.0.1

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

example/wilt.dart

/*
 * Package : WiltServerClient
 * Author : S. Hamblett <[e-mail]>
 * Date   : 03/09/2018
 * Copyright :  S.Hamblett
 */

import 'package:wilt/wilt.dart';
import 'package:wilt/wilt_server_client.dart'; // Comment out for browser.
//import 'package:wilt/wilt_browser_client.dart'; Uncomment for browser
import '../test/lib/wilt_test_config.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 {
  /// Create a test client
  final WiltServerClient wilting =
      new WiltServerClient(hostName, serverPort, scheme);

  /// Or for the browser
  /// final WiltBrowserClient wilting =
  //  new WiltBrowserClient(hostName, port, scheme);

  // 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'.
  if (userName != null) {
    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;
  final String putId = 'exampletestid';
  final dynamic document = new jsonobject.JsonObjectLite();
  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");
  }
}