fix: Adding Android services for billing.

packages/katana_cli/lib/action/app/location.dart

@@ -4,6 +4,7 @@ import 'dart:io';
 // Package imports:
 import 'package:html/dom.dart';
 import 'package:html/parser.dart';
+import 'package:katana_cli/config.dart';
 import 'package:xml/xml.dart';
 
 // Project imports:
@@ -162,7 +163,7 @@ class AppLocationCliAction extends CliCommand with CliActionMixin {
           .any((element) => element.startsWith("flutter.minSdkVersion"))) {
         await configPropertiesFile.writeAsString([
           ...configProperties,
-          "flutter.minSdkVersion=23",
+          "flutter.minSdkVersion=${Config.firebaseMinSdkVersion}",
         ].join("\n"));
       }
       label("Edit build.gradle");

packages/katana_cli/lib/action/app/text_to_speech.dart

@@ -2,6 +2,7 @@
 import 'dart:io';
 
 // Package imports:
+import 'package:katana_cli/config.dart';
 import 'package:xml/xml.dart';
 
 // Project imports:
@@ -53,7 +54,7 @@ class AppTextToSpeechCliAction extends CliCommand with CliActionMixin {
         .any((element) => element.startsWith("flutter.minSdkVersion"))) {
       await configPropertiesFile.writeAsString([
         ...configProperties,
-        "flutter.minSdkVersion=23",
+        "flutter.minSdkVersion=${Config.firebaseMinSdkVersion}",
       ].join("\n"));
     }
     label("Edit build.gradle");

packages/katana_cli/lib/action/firebase/authentication.dart

@@ -4,6 +4,7 @@ import 'dart:io';
 // Package imports:
 import 'package:html/dom.dart';
 import 'package:html/parser.dart';
+import 'package:katana_cli/config.dart';
 import 'package:xml/xml.dart';
 
 // Project imports:
@@ -536,7 +537,7 @@ class FirebaseAuthenticationCliAction extends CliCommand with CliActionMixin {
           .any((element) => element.startsWith("flutter.minSdkVersion"))) {
         await configPropertiesFile.writeAsString([
           ...configProperties,
-          "flutter.minSdkVersion=23",
+          "flutter.minSdkVersion=${Config.firebaseMinSdkVersion}",
         ].join("\n"));
       }
       label("Edit build.gradle");

packages/katana_cli/lib/action/firebase/init.dart

@@ -3,6 +3,7 @@ import 'dart:convert';
 import 'dart:io';
 
 // Project imports:
+import 'package:katana_cli/config.dart';
 import 'package:katana_cli/katana_cli.dart';
 
 /// Firebase initial configuration.
@@ -460,7 +461,7 @@ class FirebaseInitCliAction extends CliCommand with CliActionMixin {
         .any((element) => element.startsWith("flutter.minSdkVersion"))) {
       await configPropertiesFile.writeAsString([
         ...configProperties,
-        "flutter.minSdkVersion=23",
+        "flutter.minSdkVersion=${Config.firebaseMinSdkVersion}",
       ].join("\n"));
     }
     label("Edit build.gradle");

packages/katana_cli/lib/action/purchase/purchase.dart

@@ -137,20 +137,47 @@ class PurchaseCliAction extends CliCommand with CliActionMixin {
       await xcode.save();
     }
     if (enableGooglePlay) {
-      label("Edit build.gradle.");
-      final gradle = AppGradle();
-      await gradle.load();
-      if (!gradle.dependencies.any((element) => element.packageName
+      label("Edit app/build.gradle.");
+      final appGradle = AppGradle();
+      await appGradle.load();
+      if (!appGradle.dependencies.any((element) => element.packageName
           .startsWith("com.android.billingclient:billing"))) {
-        gradle.dependencies.add(
+        appGradle.dependencies.add(
           GradleDependencies(
             group: "implementation",
             packageName:
                 "com.android.billingclient:billing:${Config.androidBillingVersion}",
           ),
         );
       }
+      await appGradle.save();
+      label("Edit build.gradle.");
+      final gradle = BuildGradle();
+      await gradle.load();
+      gradle.buildScript.kotlinVersion = Config.androidKotlinVersion;
+      if (!gradle.buildScript.dependencies.any((element) =>
+          element.classpath.startsWith("com.google.gms:google-services"))) {
+        gradle.buildScript.dependencies.add(
+          GradleBuildscriptDependencies(
+            classpath:
+                "com.google.gms:google-services:${Config.googleServicesVersion}",
+          ),
+        );
+      }
       await gradle.save();
+      label("Edit config.properties");
+      final configPropertiesFile = File("android/config.properties");
+      if (!configPropertiesFile.existsSync()) {
+        await configPropertiesFile.writeAsString("");
+      }
+      final configProperties = await configPropertiesFile.readAsLines();
+      if (!configProperties
+          .any((element) => element.startsWith("flutter.compileSdkVersion"))) {
+        await configPropertiesFile.writeAsString([
+          ...configProperties,
+          "flutter.compileSdkVersion=${Config.billingCompileSdkVersion}",
+        ].join("\n"));
+      }
       label("Edit AndroidManifest.xml.");
       final file = File("android/app/src/main/AndroidManifest.xml");
       if (!file.existsSync()) {
@@ -184,6 +211,15 @@ class PurchaseCliAction extends CliCommand with CliActionMixin {
           ),
         );
       }
+      if (manifest.first.attributes
+          .any((p0) => p0.name.toString() != "xmlns:tools")) {
+        manifest.first.attributes.add(
+          XmlAttribute(
+            XmlName("xmlns:tools"),
+            "http://schemas.android.com/tools",
+          ),
+        );
+      }
       final application = document.findAllElements("application");
       if (!application.first.children.any(
         (p0) =>
@@ -207,6 +243,10 @@ class PurchaseCliAction extends CliCommand with CliActionMixin {
                 XmlName("android:value"),
                 Config.androidBillingVersion,
               ),
+              XmlAttribute(
+                XmlName("tools:replace"),
+                "android:value",
+              ),
             ],
             [],
           ),

packages/katana_cli/lib/config.dart

@@ -4,11 +4,31 @@
 class Config {
   Config._();
 
+  /// Version of the Android GoogleServices.
+  ///
+  /// AndroidのGoogleServicesのバージョン。
+  static const String googleServicesVersion = "4.3.14";
+
+  /// Version of the Android Kotlin.
+  ///
+  /// AndroidのKotlinのバージョン。
+  static const String androidKotlinVersion = "1.9.22";
+
   /// Version of the Android Billing Library.
   ///
   /// AndroidのBillingライブラリのバージョン。
   static const String androidBillingVersion = "6.0.1";
 
+  /// Sdk version at Android billing.
+  ///
+  /// Androidの課金時のSdkバージョン。
+  static const int billingCompileSdkVersion = 34;
+
+  /// MinSdk version at Firebase for Android.
+  ///
+  /// AndroidのFirebase時のMinSdkバージョン。
+  static const int firebaseMinSdkVersion = 23;
+
   /// Contents of katana.yaml.
   ///
   /// katana.yamlの中身。

packages/katana_cli/lib/src/gradle.dart

@@ -3,6 +3,7 @@ import 'dart:io';
 
 // Package imports:
 import 'package:katana/katana.dart';
+import 'package:katana_cli/config.dart';
 
 /// Class for retrieving and saving files in `android/app/build.gradle`.
 ///
@@ -797,3 +798,148 @@ class GradleDependencies {
     return "    $group \"$packageName\"";
   }
 }
+
+/// Class for retrieving and saving files in `android/build.gradle`.
+///
+/// `android/build.gradle`のファイルを取得して保存するためのクラス。
+class BuildGradle {
+  BuildGradle();
+
+  /// Original text data.
+  ///
+  /// 元のテキストデータ。
+  String get rawData => _rawData;
+  late String _rawData;
+
+  /// Data in the `buildScript` section.
+  ///
+  /// `buildScript`セクションのデータ。
+  GradleBuildScript get buildScript => _buildScript;
+  late GradleBuildScript _buildScript;
+
+  /// Data loading.
+  ///
+  /// データの読み込み。
+  Future<void> load() async {
+    final gradle = File("android/build.gradle");
+    _rawData = await gradle.readAsString();
+    _buildScript = GradleBuildScript._load(_rawData);
+  }
+
+  /// Data storage.
+  ///
+  /// データの保存。
+  Future<void> save() async {
+    if (_rawData.isEmpty) {
+      throw Exception("No value. Please load data with [load].");
+    }
+    _rawData = GradleBuildScript._save(_rawData, _buildScript);
+    final gradle = File("android/build.gradle");
+    await gradle.writeAsString(_rawData);
+  }
+}
+
+/// Data in the `buildscript` section.
+///
+/// `buildscript`セクションのデータ。
+class GradleBuildScript {
+  /// Data in the `buildscript` section.
+  ///
+  /// `buildscript`セクションのデータ。
+  GradleBuildScript({
+    required this.kotlinVersion,
+    required List<GradleBuildscriptDependencies> dependencies,
+  }) : _dependencies = dependencies;
+
+  static final _regExp = RegExp(r"buildscript {([\s\S]+?)\n}");
+
+  static GradleBuildScript _load(String content) {
+    final region = _regExp.firstMatch(content)?.group(1) ?? "";
+    final kotlinVersion =
+        (RegExp("ext.kotlin_version()[\\s\\S]+?=[\\s\\S]+?([a-zA-Z0-9_\"'.-]+)")
+                    .firstMatch(region)
+                    ?.group(1) ??
+                Config.androidKotlinVersion)
+            .trimString("'")
+            .trimString('"');
+    final dependencies = GradleBuildscriptDependencies._load(content);
+    return GradleBuildScript(
+      kotlinVersion: kotlinVersion,
+      dependencies: dependencies,
+    );
+  }
+
+  static String _save(String content, GradleBuildScript data) {
+    var region = _regExp.firstMatch(content)?.group(1) ?? "";
+    region = region.replaceAll(
+      RegExp("ext.kotlin_version()[\\s\\S]+?=[\\s\\S]+?([a-zA-Z0-9_\"'.-]+)"),
+      "ext.kotlin_version = '${data.kotlinVersion}'",
+    );
+    region = GradleBuildscriptDependencies._save(region, data.dependencies);
+    return content.replaceAll(
+        _regExp, "buildscript {\n${region.trimString("\n")}\n}");
+  }
+
+  /// Kotlin version.
+  ///
+  /// Kotlinバージョン。
+  String? kotlinVersion;
+
+  /// Data in the `dependencies` section.
+  ///
+  /// `dependencies`セクションのデータ。
+  List<GradleBuildscriptDependencies> get dependencies => _dependencies;
+  final List<GradleBuildscriptDependencies> _dependencies;
+
+  @override
+  String toString() {
+    return "    ext.kotlin_version = '$kotlinVersion'\n";
+  }
+}
+
+/// Configuration class for the contents of [GradleBuildscriptDependencies].
+///
+/// [GradleBuildscriptDependencies]の中身の設定クラス。
+class GradleBuildscriptDependencies {
+  /// Configuration class for the contents of [GradleBuildscriptDependencies].
+  ///
+  /// [GradleBuildscriptDependencies]の中身の設定クラス。
+  GradleBuildscriptDependencies({
+    required this.classpath,
+  });
+
+  static final _regExp = RegExp(r"dependencies {([\s\S]+?)}");
+
+  /// Keystore alias.
+  ///
+  /// Keystoreのエイリアス。
+  final String classpath;
+
+  static List<GradleBuildscriptDependencies> _load(String content) {
+    final region = _regExp.firstMatch(content)?.group(1) ?? "";
+    final classpaths = RegExp("classpath (?<classpath>.+)").allMatches(region);
+    return classpaths
+        .map(
+          (e) => GradleBuildscriptDependencies(
+            classpath: e
+                    .namedGroup("classpath")
+                    ?.replaceAll("\n", "")
+                    .trimString("'")
+                    .trimString('"') ??
+                "",
+          ),
+        )
+        .toList();
+  }
+
+  static String _save(
+      String content, List<GradleBuildscriptDependencies> data) {
+    return content.replaceAll(
+        _regExp, "dependencies {\n${data.join("\n")}\n    }");
+  }
+
+  @override
+  String toString() {
+    return "        classpath \"$classpath\"";
+  }
+}