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A Dart or Flutter plugin for Parse Server... Enjoy! (Also featured in the https://parseplatform.org community)
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README.md

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Parse For Flutter!

Hi, this is a Flutter plugin that allows communication with a Parse Server, (https://parseplatform.org) either hosted on your own server or another, like (http://Back4App.com).

This is a work in project and we are consistently updating it. Please let us know if you think anything needs changing/adding, and more than ever, please do join in on this project (Even if it is just to improve our documentation.

Join in!

Want to get involved? Join our Slack channel and help out! (http://flutter-parse-sdk.slack.com)

Getting Started

To install, either add to your pubspec.yaml

dependencies:  
    parse_server_sdk: ^1.0.16

or clone this repository and add to your project. As this is an early development with multiple contributors, it is probably best to download/clone and keep updating as an when a new feature is added.

Once you have the library added to your project, upon first call to your app (Similar to what your application class would be) add the following...

Parse().initialize(
        ApplicationConstants.keyApplicationId,
        ApplicationConstants.keyParseServerUrl);

It's possible to add other params, such as ...

Parse().initialize(
        ApplicationConstants.keyApplicationId,
        ApplicationConstants.keyParseServerUrl,
        masterKey: ApplicationConstants.keyParseMasterKey,
        clientKey: ApplicationConstants.keyParseClientKey,
        debug: true,
        liveQuery: true,
        autoSendSessionId: true,
        securityContext: securityContext);

Queries

Once you have setup the project and initialised the instance, you can then retreive data from your server by calling:

var apiResponse = await ParseObject('ParseTableName').getAll();

    if (apiResponse.success){
      for (var testObject in apiResponse.result) {
        print(ApplicationConstants.APP_NAME + ": " + testObject.toString());
      }
    }

Or you can get an object by its objectId:

var dietPlan = await DietPlan().getObject('R5EonpUDWy');

    if (dietPlan.success) {
      print(ApplicationConstants.keyAppName + ": " + (dietPlan.result as DietPlan).toString());
    } else {
      print(ApplicationConstants.keyAppName + ": " + dietPlan.exception.message);
    }

Complex queries

You can create complex queries to really put your database to the test:

    var queryBuilder = QueryBuilder<DietPlan>(DietPlan())
      ..startsWith(DietPlan.keyName, "Keto")
      ..greaterThan(DietPlan.keyFat, 64)
      ..lessThan(DietPlan.keyFat, 66)
      ..equals(DietPlan.keyCarbs, 5);

    var response = await queryBuilder.query();

    if (response.success) {
      print(ApplicationConstants.keyAppName + ": " + ((response.result as List<dynamic>).first as DietPlan).toString());
    } else {
      print(ApplicationConstants.keyAppName + ": " + response.exception.message);
    }

The features available are:-

  • Equals
  • Contains
  • LessThan
  • LessThanOrEqualTo
  • GreaterThan
  • GreaterThanOrEqualTo
  • NotEqualTo
  • StartsWith
  • EndsWith
  • Exists
  • Near
  • WithinMiles
  • WithinKilometers
  • WithinRadians
  • WithinGeoBox
  • Regex
  • Order
  • Limit
  • Skip
  • Ascending
  • Descending
  • Plenty more!

Objects

You can create custom objects by calling:

var dietPlan = ParseObject('DietPlan')
	..set('Name', 'Ketogenic')
	..set('Fat', 65);

You then have the ability to do the following with that object: The features available are:-

  • Get
  • GetAll
  • Create
  • Save
  • Query - By object Id
  • Delete
  • Complex queries as shown above
  • Pin
  • Plenty more
  • Counters
  • Array Operators

Custom Objects

You can create your own ParseObjects or convert your existing objects into Parse Objects by doing the following:

class DietPlan extends ParseObject implements ParseCloneable {

  DietPlan() : super(_keyTableName);
  DietPlan.clone(): this();

  /// Looks strangely hacky but due to Flutter not using reflection, we have to
  /// mimic a clone
  @override clone(Map map) => DietPlan.clone()..fromJson(map);

  static const String _keyTableName = 'Diet_Plans';
  static const String keyName = 'Name';
  
  String get name => get<String>(keyName);
  set name(String name) => set<String>(keyName, name);
}
  

Add new values to objects

To add a variable to an object call and retrieve it, call

dietPlan.set<int>('RandomInt', 8);
var randomInt = dietPlan.get<int>('RandomInt');

Save objects using pins

You can now save an object by calling .pin() on an instance of an object

dietPlan.pin();

and to retrieve it

var dietPlan = DietPlan().fromPin('OBJECT ID OF OBJECT');

Increment Counter values in objects

Retrieve it, call

var response = await dietPlan.increment("count", 1);

Array Operator in objects

Retrieve it, call

var response = await dietPlan.add("listKeywords", ["a", "a","d"]);

var response = await dietPlan.addUnique("listKeywords", ["a", "a","d"]);

var response = await dietPlan.remove("listKeywords", ["a"]);

Users

You can create and control users just as normal using this SDK.

To register a user, first create one :

var user =  ParseUser().create("TestFlutter", "TestPassword123", "TestFlutterSDK@gmail.com");

Then have the user sign up:

var response = await user.signUp();
if (response.success) user = response.result;

You can also logout and login with the user:

var response = await user.login();
if (response.success) user = response.result;

Also, once logged in you can manage sessions tokens. This feature can be called after Parse().init() on startup to check for a logged in user.

user = ParseUser.currentUser();

Other user features are:-

  • Request Password Reset
  • Verification Email Request
  • Get all users
  • Save
  • Destroy user
  • Queries

Config

The SDK now supports Parse Config. A map of all configs can be grabbed from the server by calling :

var response = await ParseConfig().getConfigs();

and to add a config:

ParseConfig().addConfig('TestConfig', 'testing');

Other Features of this library

Main:

  • Users
  • Installation
  • Objects
  • Queries
  • LiveQueries
  • GeoPoints
  • Files
  • Persistent storage
  • Debug Mode - Logging API calls
  • Manage Session ID's tokens

User:

  • Create
  • Login
  • Logout
  • CurrentUser
  • RequestPasswordReset
  • VerificationEmailRequest
  • AllUsers
  • Save
  • Destroy
  • Queries

Objects:

  • Create new object
  • Extend Parse Object and create local objects that can be saved and retreived
  • Queries:

Author:-

This project was authored by Phill Wiggins. You can contact me at phill.wiggins@gmail.com

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