feat(package_info_plus): Add customVersionJson URI to getAll method

Author: miquelbeltran

packages/package_info_plus/package_info_plus/example/integration_test/package_info_plus_web_test.dart

@@ -29,6 +29,8 @@ void main() {
     'build_signature': '',
   };
 
+  final customUri = Uri.tryParse('https://example.com/version.json');
+
   late PackageInfoPlusWebPlugin plugin;
   late MockClient client;
 
@@ -78,6 +80,25 @@ void main() {
         },
       );
 
+      testWidgets(
+        'Get package info using custom version json uri',
+        (tester) async {
+          when(client.get(customUri)).thenAnswer(
+            (_) => Future.value(
+              http.Response(jsonEncode(VERSION_JSON), 200),
+            ),
+          );
+
+          final versionMap = await plugin.getAll(customVersionJson: customUri);
+
+          expect(versionMap.appName, VERSION_JSON['app_name']);
+          expect(versionMap.version, VERSION_JSON['version']);
+          expect(versionMap.buildNumber, VERSION_JSON['build_number']);
+          expect(versionMap.packageName, VERSION_JSON['package_name']);
+          expect(versionMap.buildSignature, VERSION_JSON['build_signature']);
+        },
+      );
+
       testWidgets(
         'Get correct versionJsonUrl for http and https',
         (tester) async {

packages/package_info_plus/package_info_plus/lib/package_info_plus.dart

@@ -33,12 +33,19 @@ class PackageInfo {
 
   /// Retrieves package information from the platform.
   /// The result is cached.
-  static Future<PackageInfo> fromPlatform() async {
+  ///
+  /// Web: The plugin uses the generated version.json to read the package
+  /// information.
+  /// By default, the package uses the browser navigator base URL.
+  /// Optionally, a custom version JSON URI can be provided.
+  static Future<PackageInfo> fromPlatform({Uri? customVersionJson}) async {
     if (_fromPlatform != null) {
       return _fromPlatform!;
     }
 
-    final platformData = await PackageInfoPlatform.instance.getAll();
+    final platformData = await PackageInfoPlatform.instance.getAll(
+      customVersionJson: customVersionJson,
+    );
     _fromPlatform = PackageInfo(
       appName: platformData.appName,
       packageName: platformData.packageName,

packages/package_info_plus/package_info_plus/lib/src/package_info_plus_linux.dart

@@ -15,7 +15,7 @@ class PackageInfoPlusLinuxPlugin extends PackageInfoPlatform {
   /// Returns a map with the following keys:
   /// appName, packageName, version, buildNumber
   @override
-  Future<PackageInfoData> getAll() async {
+  Future<PackageInfoData> getAll({Uri? customVersionJson}) async {
     final versionJson = await _getVersionJson();
     return PackageInfoData(
       appName: versionJson['app_name'] ?? '',

packages/package_info_plus/package_info_plus/lib/src/package_info_plus_web.dart

@@ -49,12 +49,19 @@ class PackageInfoPlusWebPlugin extends PackageInfoPlatform {
   }
 
   @override
-  Future<PackageInfoData> getAll() async {
+  Future<PackageInfoData> getAll({Uri? customVersionJson}) async {
     final cacheBuster = DateTime.now().millisecondsSinceEpoch;
-    final url = versionJsonUrl(web.window.document.baseURI, cacheBuster);
-    final response = _client == null ? await get(url) : await _client.get(url);
-    final versionMap = _getVersionMap(response);
 
+    Uri? url;
+    // If user provides a custom version.json, use it
+    if (customVersionJson != null) {
+      url = customVersionJson;
+    } else {
+      url = versionJsonUrl(web.window.document.baseURI, cacheBuster);
+    }
+
+    final response = await _get(url);
+    final versionMap = _getVersionMap(response);
     return PackageInfoData(
       appName: versionMap['app_name'] ?? '',
       version: versionMap['version'] ?? '',
@@ -65,6 +72,9 @@ class PackageInfoPlusWebPlugin extends PackageInfoPlatform {
     );
   }
 
+  Future<Response> _get(Uri url) async =>
+      _client == null ? await get(url) : await _client.get(url);
+
   Map<String, dynamic> _getVersionMap(Response response) {
     if (response.statusCode == 200) {
       try {

packages/package_info_plus/package_info_plus/lib/src/package_info_plus_windows.dart

@@ -18,7 +18,7 @@ class PackageInfoPlusWindowsPlugin extends PackageInfoPlatform {
   /// Returns a map with the following keys:
   /// appName, packageName, version, buildNumber
   @override
-  Future<PackageInfoData> getAll() {
+  Future<PackageInfoData> getAll({Uri? customVersionJson}) {
     String resolvedExecutable = Platform.resolvedExecutable;
 
     /// Workaround for https://github.com/dart-lang/sdk/issues/52309

packages/package_info_plus/package_info_plus_platform_interface/lib/method_channel_package_info.dart

@@ -9,7 +9,7 @@ const MethodChannel _channel =
 /// An implementation of [PackageInfoPlatform] that uses method channels.
 class MethodChannelPackageInfo extends PackageInfoPlatform {
   @override
-  Future<PackageInfoData> getAll() async {
+  Future<PackageInfoData> getAll({Uri? customVersionJson}) async {
     final map = await _channel.invokeMapMethod<String, dynamic>('getAll');
     return PackageInfoData(
       appName: map!['appName'] ?? '',

packages/package_info_plus/package_info_plus_platform_interface/lib/package_info_platform_interface.dart

@@ -30,7 +30,7 @@ abstract class PackageInfoPlatform extends PlatformInterface {
   }
 
   ///Returns a map with the following keys : appName,packageName,version,buildNumber
-  Future<PackageInfoData> getAll() {
+  Future<PackageInfoData> getAll({Uri? customVersionJson}) {
     throw UnimplementedError('getAll() has not been implemented.');
   }
 }