null safety and packages update

Author: mostafaAbdelazim

example/fetch_products.dart

@@ -17,7 +17,7 @@ class MyApp extends StatelessWidget {
 }
 
 class MyHomePage extends StatefulWidget {
-  MyHomePage({Key key, this.title}) : super(key: key);
+  MyHomePage({Key? key, required this.title}) : super(key: key);
 
   final String title;
 

lib/query_string.dart

@@ -12,7 +12,8 @@ class QueryString {
 
     // Go through all the matches and build the result map.
     for (Match match in search.allMatches(query)) {
-      result[decode(match.group(1))] = decode(match.group(2));
+      result[decode(match.group(1) ?? 'null')] =
+          decode(match.group(2) ?? 'null');
     }
 
     return result;

lib/woocommerce_api.dart

@@ -3,13 +3,13 @@ library woocommerce_api;
 import 'dart:async';
 import "dart:collection";
 import 'dart:convert';
+import "dart:core";
 import 'dart:io';
 import "dart:math";
-import "dart:core";
+
 import 'package:crypto/crypto.dart' as crypto;
-import 'package:flutter/foundation.dart';
-import 'package:woocommerce_api/query_string.dart';
 import 'package:http/http.dart' as http;
+import 'package:woocommerce_api/query_string.dart';
 import 'package:woocommerce_api/woocommerce_error.dart';
 
 /// [url] is you're site's base URL, e.g. `https://www.yourdomain.com`
@@ -23,17 +23,13 @@ class WooCommerceAPI {
   String url;
   String consumerKey;
   String consumerSecret;
-  bool isHttps;
+  late bool isHttps;
 
   WooCommerceAPI({
-    @required String url,
-    @required String consumerKey,
-    @required String consumerSecret,
+    required this.url,
+    required this.consumerKey,
+    required this.consumerSecret,
   }) {
-    this.url = url;
-    this.consumerKey = consumerKey;
-    this.consumerSecret = consumerSecret;
-
     if (this.url.startsWith("https")) {
       this.isHttps = true;
     } else {
@@ -168,7 +164,7 @@ class WooCommerceAPI {
     String url = this._getOAuthURL("GET", endPoint);
 
     try {
-      final http.Response response = await http.get(url);
+      final http.Response response = await http.get(Uri.parse(url));
       if (response.statusCode == 200) {
         return json.decode(response.body);
       }

lib/woocommerce_error.dart

@@ -1,9 +1,10 @@
 class WooCommerceError {
-  String _code;
-  String _message;
-  Data _data;
+  late String _code;
+  late String _message;
+  Data? _data;
 
-  WooCommerceError({String code, String message, Data data}) {
+  WooCommerceError(
+      {required String code, required String message, Data? data}) {
     this._code = code;
     this._message = message;
     this._data = data;
@@ -17,14 +18,14 @@ class WooCommerceError {
 
   @override
   String toString() {
-    return "WooCommerce Error!\ncode: $_code\nmessage: $_message\nstatus: ${_data.status}";
+    return "WooCommerce Error!\ncode: $_code\nmessage: $_message\nstatus: ${_data?.status}";
   }
 }
 
 class Data {
-  int _status;
+  late int _status;
 
-  Data({int status}) {
+  Data({required int status}) {
     this._status = status;
   }
 

pubspec.lock

@@ -1,62 +1,62 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
-  archive:
-    dependency: transitive
-    description:
-      name: archive
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.11"
-  args:
-    dependency: transitive
-    description:
-      name: args
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.5.2"
   async:
     dependency: transitive
     description:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.4.0"
+    version: "2.5.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.5"
+    version: "2.1.0"
+  characters:
+    dependency: transitive
+    description:
+      name: characters
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0"
   charcode:
     dependency: transitive
     description:
       name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.2"
-  collection:
+    version: "1.2.0"
+  clock:
     dependency: transitive
     description:
-      name: collection
+      name: clock
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.14.11"
-  convert:
+    version: "1.1.0"
+  collection:
     dependency: transitive
     description:
-      name: convert
+      name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.1"
+    version: "1.15.0"
   crypto:
     dependency: "direct main"
     description:
       name: crypto
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.3"
+    version: "3.0.1"
+  fake_async:
+    dependency: transitive
+    description:
+      name: fake_async
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -73,63 +73,42 @@ packages:
       name: http
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.0+4"
+    version: "0.13.1"
   http_parser:
     dependency: transitive
     description:
       name: http_parser
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.1.3"
-  image:
-    dependency: transitive
-    description:
-      name: image
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.1.4"
+    version: "4.0.0"
   matcher:
     dependency: transitive
     description:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.6"
+    version: "0.12.10"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.8"
+    version: "1.3.0"
   path:
     dependency: transitive
     description:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.4"
+    version: "1.8.0"
   pedantic:
     dependency: transitive
     description:
       name: pedantic
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0+1"
-  petitparser:
-    dependency: transitive
-    description:
-      name: petitparser
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.4.0"
-  quiver:
-    dependency: transitive
-    description:
-      name: quiver
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.5"
+    version: "1.11.0"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -141,62 +120,55 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.5.5"
+    version: "1.8.0"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.3"
+    version: "1.10.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.5"
+    version: "1.1.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.11"
+    version: "0.2.19"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.6"
+    version: "1.3.0"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.8"
-  xml:
-    dependency: transitive
-    description:
-      name: xml
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "3.5.0"
+    version: "2.1.0"
 sdks:
-  dart: ">=2.6.0 <3.0.0"
+  dart: ">=2.12.0 <3.0.0"

pubspec.yaml

@@ -7,8 +7,8 @@ homepage: https://github.com/samarthagarwal/woocommerce_dart
 dependencies:
   flutter:
     sdk: flutter
-  crypto: ^2.1.3
-  http: ^0.12.0+4
+  crypto: ^3.0.1
+  http: ^0.13.1
 
 dev_dependencies:
   flutter_test:
@@ -17,4 +17,4 @@ dev_dependencies:
 flutter:
 
 environment:
-  sdk: ">=2.6.0 <3.0.0"
+  sdk: ">=2.12.0 <3.0.0"