Version 1.0.4 - Added Generics

Author: wigginsp

CHANGELOG.md

@@ -1,3 +1,10 @@
+## 1.0.4
+
+Bug fix for get all items
+Can now pin/unpin/fromPin for all ParseObjects
+Now supports generics
+Cody tidy around extending
+
 ## 1.0.3
 
 Added persistent storage. When a logged in user closes the app, then reopens, the data

example/lib/diet_plan.dart

@@ -1,17 +1,11 @@
+import 'dart:convert';
 import 'dart:core';
 
 import 'package:parse_server_sdk/parse.dart';
 
 class DietPlan extends ParseObject {
   DietPlan() : super(DIET_PLAN);
 
-  String name;
-  String description;
-  num protein;
-  num carbs;
-  num fat;
-  num status;
-
   static const String DIET_PLAN = 'Diet_Plans';
   static const String NAME = 'Name';
   static const String DESCRIPTION = 'Description';
@@ -20,26 +14,30 @@ class DietPlan extends ParseObject {
   static const String FAT = 'Fat';
   static const String STATUS = 'Status';
 
+  String get name => get<String>(NAME);
+  set name(String name) => set<String>(NAME, name);
+
+  String get description => get<String>(DESCRIPTION);
+  set description(String description) => set<String>(DESCRIPTION, name);
+
+  int get protein => get<int>(PROTEIN);
+  set protein(int protein) => super.set<int>(PROTEIN, protein);
+
+  int get carbs => get<int>(CARBS);
+  set carbs(int carbs) => set<int>(CARBS, carbs);
+
+  int get fat => get<int>(FAT);
+  set fat(int fat) => set<int>(FAT, fat);
+
+  int get status => get<int>(STATUS);
+  set status(int status) => set<int>(STATUS, status);
+
   @override
-  dynamic fromJson(Map objectData) {
-    this.name = objectData[NAME];
-    this.description = objectData[DESCRIPTION];
-    this.protein = objectData[PROTEIN];
-    this.carbs = objectData[CARBS];
-    this.fat = objectData[FAT];
-    this.status = objectData[STATUS];
+  fromJson(Map objectData) {
+    super.setObjectData(objectData);
     return this;
   }
 
-  Map<String, dynamic> toJson() => {
-        NAME: name,
-        DESCRIPTION: description,
-        PROTEIN: protein,
-        CARBS: carbs,
-        FAT: fat,
-        STATUS: status,
-      };
-
   @override
   String toString() {
     return toJson().toString();

example/lib/main.dart

@@ -78,7 +78,22 @@ class _MyAppState extends State<MyApp> {
     var response = await DietPlan().getObject('R5EonpUDWy');
 
     if (response.success) {
-      print(ApplicationConstants.APP_NAME + ": " + (response.result as DietPlan).toString());
+      var dietPlan = (response.result as DietPlan);
+
+      // Shows example of storing values in their proper type and retrieving them
+      dietPlan.set<int>('RandomInt', 8);
+      var randomInt = dietPlan.get<int>('RandomInt');
+
+      if (randomInt is int) print('Saving generic value worked!');
+
+      // Shows example of pinning an item
+      dietPlan.pin();
+
+      // shows example of retrieving a pin
+      var newDietPlanFromPin = DietPlan().fromPin('R5EonpUDWy');
+
+      if (newDietPlanFromPin != null) print('Saving generic value worked!');
+
     } else {
       print(ApplicationConstants.APP_NAME + ": " + response.error.message);
     }

lib/src/network/parse_http_client.dart

@@ -3,7 +3,7 @@ part of flutter_parse_sdk;
 /// Creates a custom version of HTTP Client that has Parse Data Preset
 class ParseHTTPClient extends BaseClient {
   final Client _client = Client();
-  final String _userAgent = "Flutter Parse SDK 1.0.3";
+  final String _userAgent = "Flutter Parse SDK 1.0.4";
   ParseCoreData data = ParseCoreData();
 
   ParseHTTPClient();

lib/src/objects/parse_base.dart

@@ -5,50 +5,54 @@ abstract class ParseBase {
   Map _objectData = Map<String, dynamic>();
 
   /// Returns [String] objectId
-  String get objectId => _objectData['objectId'];
-  set objectId(String objectId) => _objectData[objectId];
+  String get objectId => get<String>(OBJECT_ID);
+  set objectId(String objectId) => set<String>(OBJECT_ID, objectId);
 
   /// Returns [DateTime] createdAt
-  DateTime get createdAt => stringToDateTime(_objectData['createdAt']);
-  set createdAt(DateTime createdAt) =>
-      _objectData['createdAt'] = dateTimeToString(createdAt);
+  DateTime get createdAt => stringToDateTime(get<String>(CREATED_AT));
+  set createdAt(DateTime createdAt) => set<String>(CREATED_AT, dateTimeToString(createdAt));
 
   /// Returns [DateTime] updatedAt
-  DateTime get updatedAt => stringToDateTime(_objectData['updatedAt']);
-  set updatedAt(DateTime updatedAt) =>
-      _objectData['updatedAt'] = dateTimeToString(updatedAt);
+  DateTime get updatedAt => stringToDateTime(get<String>(UPDATED_AT));
+  set updatedAt(DateTime updatedAt) => set<String>(UPDATED_AT, dateTimeToString(updatedAt));
 
   /// Converts object to [String] in JSON format
-  @protected
-  toJson() => JsonEncoder().convert(getObjectData());
+  @protected String toJson() {
+    return JsonEncoder().convert(getObjectData());
+  }
 
   /// Creates a copy of this class
   @protected
-  copy() => JsonDecoder().convert(fromJson(getObjectData()));
+  copy() => fromJson(JsonDecoder().convert(toJson()));
 
   /// Sets all the objects variables
   @protected
-  setObjectData(Map objectData) => _objectData = objectData;
+  setObjectData(Map objectData) {
+    _objectData = objectData;
+  }
 
   /// Returns the objects variables
   @protected
-  getObjectData() => _objectData;
+  getObjectData() {
+    return _objectData;
+  }
 
   /// Saves in storage
   @protected
   saveInStorage(String key) async {
     await ParseCoreData().getStore().setString(key, toJson());
   }
 
-  @protected
-  fromJson(Map objectData) {
-    if (_objectData == null) _objectData = Map();
-    _objectData.addAll(objectData);
-  }
+  /// Needs overriding to create deep copy affect
+  @override
+  fromJson(Map objectData) {}
 
-  /// Create a new variable for this object, [bool] forceUpdate is always true,
-  /// if unsure as to whether an item is needed or not, set to false
-  set(String key, dynamic value, {bool forceUpdate: true}) {
+  /// Sets type [T] from objectData
+  ///
+  /// To set an int, call setType<int> and an int will be saved
+  /// [bool] forceUpdate is always true, if unsure as to whether an item is
+  /// needed or not, set to false
+  set<T>(String key, T value, {bool forceUpdate: true}) {
     if (value != null) {
       if (getObjectData().containsKey(key)) {
         if (forceUpdate) getObjectData()[key] = value;
@@ -58,10 +62,18 @@ abstract class ParseBase {
     }
   }
 
-  /// Returns a variable from the objectData
-  get(String key, {dynamic defaultValue, bool fromServer}) {
+  /// Gets type [T] from objectData
+  ///
+  /// Returns null or [defaultValue] if provided. To get an int, call
+  /// getType<int> and an int will be returned, null, or a defaultValue if
+  /// provided
+  get<T>(String key, {T defaultValue}) {
     if (getObjectData().containsKey(key)) {
-      return getObjectData()[key];
+      if (T != null && getObjectData()[key] is T) {
+        return getObjectData()[key] as T;
+      } else {
+        return getObjectData()[key];
+      }
     } else {
       return defaultValue;
     }
@@ -72,7 +84,8 @@ abstract class ParseBase {
   /// Replicates Android SDK pin process and saves object to storage
   pin() async {
     if (objectId != null) {
-      await ParseCoreData().getStore().setString(objectId, toJson());
+      var itemToSave = toJson();
+      await ParseCoreData().getStore().setString(objectId, itemToSave);
       return true;
     } else {
       return false;
@@ -84,8 +97,9 @@ abstract class ParseBase {
   /// Replicates Android SDK pin process and saves object to storage
   unpin() async {
     if (objectId != null) {
-      var itemToSave = await ParseCoreData().getStore().setString(objectId, null);
-      return true;
+      var itemToSave = await ParseCoreData().getStore().setString(
+          objectId, null);
+      if (itemToSave) return true;
     } else {
       return false;
     }
@@ -94,9 +108,9 @@ abstract class ParseBase {
   /// Saves item to simple key pair value storage
   ///
   /// Replicates Android SDK pin process and saves object to storage
-  fromPin() async {
+  fromPin(String objectId) {
     if (objectId != null) {
-      var itemFromStore = await ParseCoreData().getStore().getString(objectId);
+      var itemFromStore = ParseCoreData().getStore().getString(objectId);
 
       if (itemFromStore != null) {
         Map<String, dynamic> itemFromStoreMap = JsonDecoder().convert(

lib/src/objects/parse_response.dart

@@ -72,15 +72,15 @@ class ParseResponse {
     var resultsList = List();
 
     for (var value in map) {
-      resultsList.add(_handleSingleResult(object, value));
+      var newObject = _handleSingleResult(object, value);
+      resultsList.add(newObject);
     }
 
     return resultsList;
   }
 
   /// Handles a response with a single result object
   static _handleSingleResult(ParseBase object, map) {
-    populateObjectBaseData(object, map);
     return object.fromJson(map);
   }
 }

lib/src/objects/parse_user.dart

@@ -6,10 +6,17 @@ class ParseUser extends ParseBase {
   bool _debug;
   ParseHTTPClient _client;
 
-  String acl;
-  String username;
-  String password;
-  String emailAddress;
+  Map get acl => super.get<Map>(ACL);
+  set acl(Map acl) => set<Map>(ACL, acl);
+
+  String get username => super.get<String>(USERNAME);
+  set username(String username) => set<String>(USERNAME, username);
+
+  String get password => super.get<String>(PASSWORD);
+  set password(String password) => set<String>(PASSWORD, password);
+
+  String get emailAddress => super.get<String>(EMAIL);
+  set emailAddress(String emailAddress) => set<String>(EMAIL, emailAddress);
 
   /// Creates an instance of ParseUser
   ///
@@ -21,9 +28,13 @@ class ParseUser extends ParseBase {
   /// Requires [String] username, [String] password. [String] email address
   /// is required as well to create a full new user object on ParseServer. Only
   /// username and password is required to login
-  ParseUser(this.username, this.password, this.emailAddress, {bool debug, ParseHTTPClient client}) : super() {
+  ParseUser(String username, String password, String emailAddress, {bool debug, ParseHTTPClient client}) : super() {
     client == null ? _client = ParseHTTPClient() : _client = client;
     _debug = isDebugEnabled(client, objectLevelDebug: debug);
+
+    this.username = username;
+    this.password = password;
+    this.emailAddress = emailAddress;
   }
 
   /// Returns a [User] from a [Map] object
@@ -37,10 +48,6 @@ class ParseUser extends ParseBase {
     objectId = getObjectData()[OBJECT_ID];
     createdAt = stringToDateTime(getObjectData()[CREATED_AT]);
     updatedAt = stringToDateTime(getObjectData()[UPDATED_AT]);
-    acl = getObjectData()[ACL].toString();
-    username = getObjectData()[USERNAME];
-    password = getObjectData()[PASSWORD];
-    emailAddress = getObjectData()[EMAIL];
 
     if (updatedAt == null) updatedAt = createdAt;
 

pubspec.yaml

@@ -1,6 +1,6 @@
 name: parse_server_sdk
 description: Flutter plugin for Parse Server, (https://parseplatform.org), (https://back4app.com)
-version: 1.0.3
+version: 1.0.4
 homepage: https://github.com/phillwiggins/flutter_parse_sdk
 author: PhillWiggins <phill.wiggins@gmail.com>