fix: Query system code generation.

packages/katana_cli/lib/command/code/cache.dart

@@ -0,0 +1,81 @@
+part of katana_cli.code;
+
+/// Create a `ScopedQuery`.
+///
+/// `ScopedQuery`を作成します。
+class CodeCacheCliCommand extends CliCodeCommand {
+  /// Create a `ScopedQuery`.
+  ///
+  /// `ScopedQuery`を作成します。
+  const CodeCacheCliCommand();
+
+  @override
+  String get name => "cache";
+
+  @override
+  String get prefix => "cache";
+
+  @override
+  String get directory => "lib/controllers";
+
+  @override
+  String get description =>
+      "Create a `ScopedQuery` in `$directory/(filepath).dart`. `ScopedQuery`を`$directory/(filepath).dart`に作成します。";
+
+  @override
+  Future<void> exec(ExecContext context) async {
+    final path = context.args.get(2, "");
+    if (path.isEmpty) {
+      error(
+        "[path] is not specified. Please enter [path] according to the following command.\r\nkatana code cache [path]\r\n",
+      );
+      return;
+    }
+    label("Create a ScopedQuery in `$directory/$path.dart`.");
+    final parentPath = path.parentPath();
+    if (parentPath.isNotEmpty) {
+      final parentDir = Directory("$directory/$parentPath");
+      if (!parentDir.existsSync()) {
+        await parentDir.create(recursive: true);
+      }
+    }
+    await generateDartCode("$directory/$path");
+  }
+
+  @override
+  String import(String path, String baseName, String className) {
+    return """
+// ignore: unused_import, unnecessary_import
+import 'package:flutter/material.dart';
+// ignore: unused_import, unnecessary_import
+import 'package:masamune/masamune.dart';
+
+// ignore: unused_import, unnecessary_import
+import '/main.dart';
+""";
+  }
+
+  @override
+  String header(String path, String baseName, String className) {
+    return "";
+  }
+
+  @override
+  String body(String path, String baseName, String className) {
+    return """
+/// [ScopedQuery] for $className.
+/// 
+/// It can be used as follows
+/// 
+/// ```dart
+/// final ${className.toCamelCase()} = ref.app.query(${className.toCamelCase()}Query);
+/// ```
+final ${className.toCamelCase()}Query = ScopedQuery(
+  (ref) {
+    // TODO: Define the process of creating the Object.
+    return \${1};
+  }
+);
+""";
+  }
+}

packages/katana_cli/lib/command/code/code.dart

@@ -22,6 +22,8 @@ part 'prefs.dart';
 part 'widget.dart';
 part 'stateless.dart';
 part 'stateful.dart';
+part 'query.dart';
+part 'cache.dart';
 
 class CodeCliCommand extends CliCommandGroup {
   const CodeCliCommand();
@@ -47,5 +49,7 @@ class CodeCliCommand extends CliCommandGroup {
         "widget": CodeWidgetCliCommand(),
         "stateless": CodeStatelessCliCommand(),
         "stateful": CodeStatefulCliCommand(),
+        "query": CodeQueryCliCommand(),
+        "cache": CodeCacheCliCommand(),
       };
 }

packages/katana_cli/lib/command/code/query.dart

@@ -0,0 +1,81 @@
+part of katana_cli.code;
+
+/// Create a `ChangeNotifierScopedQuery`.
+///
+/// `ChangeNotifierScopedQuery`を作成します。
+class CodeQueryCliCommand extends CliCodeCommand {
+  /// Create a `ChangeNotifierScopedQuery`.
+  ///
+  /// `ChangeNotifierScopedQuery`を作成します。
+  const CodeQueryCliCommand();
+
+  @override
+  String get name => "query";
+
+  @override
+  String get prefix => "query";
+
+  @override
+  String get directory => "lib/controllers";
+
+  @override
+  String get description =>
+      "Create a `ChangeNotifierScopedQuery` in `$directory/(filepath).dart`. `ChangeNotifierScopedQuery`を`$directory/(filepath).dart`に作成します。";
+
+  @override
+  Future<void> exec(ExecContext context) async {
+    final path = context.args.get(2, "");
+    if (path.isEmpty) {
+      error(
+        "[path] is not specified. Please enter [path] according to the following command.\r\nkatana code query [path]\r\n",
+      );
+      return;
+    }
+    label("Create a ChangeNotifierScopedQuery in `$directory/$path.dart`.");
+    final parentPath = path.parentPath();
+    if (parentPath.isNotEmpty) {
+      final parentDir = Directory("$directory/$parentPath");
+      if (!parentDir.existsSync()) {
+        await parentDir.create(recursive: true);
+      }
+    }
+    await generateDartCode("$directory/$path");
+  }
+
+  @override
+  String import(String path, String baseName, String className) {
+    return """
+// ignore: unused_import, unnecessary_import
+import 'package:flutter/material.dart';
+// ignore: unused_import, unnecessary_import
+import 'package:masamune/masamune.dart';
+
+// ignore: unused_import, unnecessary_import
+import '/main.dart';
+""";
+  }
+
+  @override
+  String header(String path, String baseName, String className) {
+    return "";
+  }
+
+  @override
+  String body(String path, String baseName, String className) {
+    return """
+/// [ChangeNotifierScopedQuery] for $className.
+/// 
+/// It can be used as follows
+/// 
+/// ```dart
+/// final ${className.toCamelCase()} = ref.app.query(${className.toCamelCase()}Query);
+/// ```
+final ${className.toCamelCase()}Query = ChangeNotifierScopedQuery(
+  (ref) {
+    // TODO: Define the process of creating the ChangeNotifier.
+    return \${1};
+  }
+);
+""";
+  }
+}