From a7d2f30721a8b3be8520e405897144297e594a97 Mon Sep 17 00:00:00 2001
From: Knot <knotto.vt@gmail.com>
Date: Wed, 13 Nov 2024 13:32:50 +0700
Subject: [PATCH] add download file

---
 lib/cubit/home_page_cubit.dart |  91 +++++++++++++-
 lib/home_page.dart             | 212 +++++++--------------------------
 lib/raw_code.dart              | 165 +++++++++++++++++++++++++
 pubspec.lock                   |  26 +++-
 pubspec.yaml                   |   1 +
 5 files changed, 322 insertions(+), 173 deletions(-)
 create mode 100644 lib/raw_code.dart

diff --git a/lib/cubit/home_page_cubit.dart b/lib/cubit/home_page_cubit.dart
index 1d203ea..4d9076d 100644
--- a/lib/cubit/home_page_cubit.dart
+++ b/lib/cubit/home_page_cubit.dart
@@ -1,10 +1,95 @@
+import 'dart:convert';
+import 'dart:html' as html;
+
+import 'package:archive/archive.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:flutter_cubit_create_page/cubit/home_page_state.dart';
+import 'package:flutter_cubit_create_page/raw_code.dart';
+import 'package:recase/recase.dart';
 
 class HomePageCubit extends Cubit<HomePageState> {
-  HomePageCubit() : super(const HomePageState());
+  final TextEditingController nameTextEditingController =
+      TextEditingController();
+
+  HomePageCubit() : super(const HomePageState()) {
+    nameTextEditingController.addListener(() {
+      final name = nameTextEditingController.text;
+      emit(state.copyWith(name: name));
+    });
+
+    nameTextEditingController.text = 'Home';
+  }
+
+  @override
+  Future<void> close() {
+    nameTextEditingController.dispose();
+    return super.close();
+  }
+
+  void setName(String name) {}
+
+  void onTapDownload() {
+    final nameTitleCase = state.name.titleCase;
+    final namePascalCase = state.name.pascalCase;
+    final nameSnakeCase = state.name.snakeCase;
+
+    final pageStateFileBytes = utf8.encode(
+      RawCode.pageState(
+        nameSnakeCase: nameSnakeCase,
+        namePascalCase: namePascalCase,
+      ),
+    );
+
+    final pageCubitFileBytes = utf8.encode(
+      RawCode.pageCubit(
+        nameSnakeCase: nameSnakeCase,
+        namePascalCase: namePascalCase,
+      ),
+    );
+
+    final pageFileBytes = utf8.encode(
+      RawCode.page(
+        nameSnakeCase: nameSnakeCase,
+        namePascalCase: namePascalCase,
+        nameTitleCase: nameTitleCase,
+      ),
+    );
+
+    final archive = Archive();
+
+    archive.addFile(
+      ArchiveFile(
+        'cubit/${nameSnakeCase}_page_state.dart',
+        pageStateFileBytes.length,
+        pageStateFileBytes,
+      ),
+    );
+    archive.addFile(
+      ArchiveFile(
+        'cubit/${nameSnakeCase}_page_cubit.dart',
+        pageCubitFileBytes.length,
+        pageCubitFileBytes,
+      ),
+    );
+
+    archive.addFile(
+      ArchiveFile(
+        '${state.name.snakeCase}_page.dart',
+        pageFileBytes.length,
+        pageFileBytes,
+      ),
+    );
+
+    final zippedData = ZipEncoder().encode(archive)!;
+    final blob = html.Blob([Uint8List.fromList(zippedData)], 'application/zip');
+    final url = html.Url.createObjectUrlFromBlob(blob);
+
+    html.AnchorElement(href: url)
+      ..setAttribute('download', '$nameSnakeCase.zip')
+      ..click();
 
-  void setName(String name) {
-    emit(state.copyWith(name: name));
+    html.Url.revokeObjectUrl(url);
   }
 }
diff --git a/lib/home_page.dart b/lib/home_page.dart
index 92761e1..5c5b8cd 100644
--- a/lib/home_page.dart
+++ b/lib/home_page.dart
@@ -3,6 +3,7 @@ import 'package:flutter/services.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:flutter_cubit_create_page/cubit/home_page_cubit.dart';
 import 'package:flutter_cubit_create_page/cubit/home_page_state.dart';
+import 'package:flutter_cubit_create_page/raw_code.dart';
 import 'package:recase/recase.dart';
 import 'package:syntax_highlight/syntax_highlight.dart';
 
@@ -38,31 +39,21 @@ class HomeView extends StatefulWidget {
 }
 
 class _HomeViewState extends State<HomeView> {
+  HomePageCubit get _cubit {
+    return context.read<HomePageCubit>();
+  }
+
   final ScrollController _scrollController = ScrollController();
   final ScrollController _stateScrollController = ScrollController();
   final ScrollController _cubitScrollController = ScrollController();
   final ScrollController _pageScrollController = ScrollController();
 
-  final TextEditingController _nameTextEditingController =
-      TextEditingController();
-
-  @override
-  void initState() {
-    super.initState();
-    _nameTextEditingController.addListener(() {
-      final name = _nameTextEditingController.text;
-      context.read<HomePageCubit>().setName(name);
-    });
-    _nameTextEditingController.text = 'Home';
-  }
-
   @override
   void dispose() {
     _scrollController.dispose();
     _stateScrollController.dispose();
     _cubitScrollController.dispose();
     _pageScrollController.dispose();
-    _nameTextEditingController.dispose();
     super.dispose();
   }
 
@@ -112,159 +103,29 @@ class _HomeViewState extends State<HomeView> {
         _code(
           controller: _stateScrollController,
           fileName: '${nameSnakeCase}_page_state.dart',
-          code: '''
-import 'package:equatable/equatable.dart';
-
-enum ${namePascalCase}PageStatus {
-  initial,
-  loading,
-  ready,
-  failure,
-  ;
-
-  bool get isLoading => this == ${namePascalCase}PageStatus.loading;
-}
-
-class ${namePascalCase}PageState extends Equatable {
-  final ${namePascalCase}PageStatus status;
-  final Object? error;
-
-  const ${namePascalCase}PageState({
-    this.status = ${namePascalCase}PageStatus.initial,
-    this.error,
-  });
-
-  @override
-  List<Object?> get props => [
-        status,
-        error,
-      ];
-
-  ${namePascalCase}PageState copyWith({
-    ${namePascalCase}PageStatus? status,
-    Object? error,
-  }) {
-    return ${namePascalCase}PageState(
-      status: status ?? this.status,
-      error: error ?? this.error,
-    );
-  }
-
-  ${namePascalCase}PageState loading() {
-    return copyWith(
-      status: ${namePascalCase}PageStatus.loading,
-    );
-  }
-
-  ${namePascalCase}PageState ready() {
-    return copyWith(
-      status: ${namePascalCase}PageStatus.ready,
-    );
-  }
-
-  ${namePascalCase}PageState failure(
-    Object error,
-  ) {
-    return copyWith(
-      status: ${namePascalCase}PageStatus.failure,
-      error: error,
-    );
-  }
-}
-''',
+          code: RawCode.pageState(
+            nameSnakeCase: nameSnakeCase,
+            namePascalCase: namePascalCase,
+          ),
         ),
         const SizedBox(height: 16),
         _code(
           controller: _cubitScrollController,
           fileName: '${nameSnakeCase}_page_cubit.dart',
-          code: '''
-import 'package:flutter_bloc/flutter_bloc.dart';
-
-import '${nameSnakeCase}_page_state.dart';
-
-class ${namePascalCase}PageCubit extends Cubit<${namePascalCase}PageState> {
-  bool _mounted = true;
-
-  ${namePascalCase}PageCubit() : super(const ${namePascalCase}PageState());
-
-  @override
-  Future<void> close() {
-    _mounted = false;
-    return super.close();
-  }
-
-  void _emit(${namePascalCase}PageState newState) {
-    if (_mounted) emit(newState);
-  }
-}
-''',
+          code: RawCode.pageCubit(
+            nameSnakeCase: nameSnakeCase,
+            namePascalCase: namePascalCase,
+          ),
         ),
         const SizedBox(height: 16),
         _code(
           controller: _pageScrollController,
           fileName: '${state.name.snakeCase}_page.dart',
-          code: '''
-import 'package:flutter/material.dart';
-import 'package:flutter_bloc/flutter_bloc.dart';
-
-import 'cubit/${nameSnakeCase}_page_cubit.dart';
-import 'cubit/${nameSnakeCase}_page_state.dart';
-
-class ${namePascalCase}Page extends StatelessWidget {
-  const ${namePascalCase}Page({super.key});
-
-  @override
-  Widget build(BuildContext context) {
-    return BlocProvider(
-      create: (context) => ${namePascalCase}PageCubit(),
-      child: const ${namePascalCase}View(),
-    );
-  }
-}
-
-class ${namePascalCase}View extends StatefulWidget {
-  const ${namePascalCase}View({super.key});
-
-  @override
-  State<${namePascalCase}View> createState() => _${namePascalCase}ViewState();
-}
-
-class _${namePascalCase}ViewState extends State<${namePascalCase}View> {
-  ${namePascalCase}PageCubit get _cubit {
-    return context.read<${namePascalCase}PageCubit>();
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return BlocConsumer<${namePascalCase}PageCubit, ${namePascalCase}PageState>(
-      builder: (context, state) {
-        return Scaffold(
-          appBar: AppBar(
-            title: const Text('$nameTitleCase'),
-            centerTitle: true,
-          ),
-          body: const Center(
-            child: Text('$nameTitleCase'),
+          code: RawCode.page(
+            nameSnakeCase: nameSnakeCase,
+            namePascalCase: namePascalCase,
+            nameTitleCase: nameTitleCase,
           ),
-        );
-      },
-      listener: _listener,
-    );
-  }
-
-  void _listener(BuildContext context, ${namePascalCase}PageState state) {
-    switch (state.status) {
-      case ${namePascalCase}PageStatus.initial:
-      case ${namePascalCase}PageStatus.loading:
-      case ${namePascalCase}PageStatus.ready:
-        break;
-
-      case ${namePascalCase}PageStatus.failure:
-        break;
-    }
-  }
-}
-''',
         ),
       ],
     );
@@ -274,21 +135,34 @@ class _${namePascalCase}ViewState extends State<${namePascalCase}View> {
     return Card(
       child: Padding(
         padding: const EdgeInsets.all(16),
-        child: TextField(
-          controller: _nameTextEditingController,
-          style: const TextStyle(
-            fontFamily: 'Consolas',
-          ),
-          maxLines: 1,
-          decoration: InputDecoration(
-            labelText: 'Name',
-            border: OutlineInputBorder(
-              borderRadius: BorderRadius.circular(8),
-              borderSide: const BorderSide(
-                width: 1,
+        child: Row(
+          children: [
+            Expanded(
+              child: TextField(
+                controller: _cubit.nameTextEditingController,
+                style: const TextStyle(
+                  fontFamily: 'Consolas',
+                ),
+                maxLines: 1,
+                decoration: InputDecoration(
+                  labelText: 'Name',
+                  border: OutlineInputBorder(
+                    borderRadius: BorderRadius.circular(8),
+                    borderSide: const BorderSide(
+                      width: 1,
+                    ),
+                  ),
+                ),
               ),
             ),
-          ),
+            const SizedBox(width: 16),
+            IconButton.filledTonal(
+              onPressed: _cubit.onTapDownload,
+              icon: const Icon(
+                Icons.download,
+              ),
+            ),
+          ],
         ),
       ),
     );
diff --git a/lib/raw_code.dart b/lib/raw_code.dart
new file mode 100644
index 0000000..a4a7a3d
--- /dev/null
+++ b/lib/raw_code.dart
@@ -0,0 +1,165 @@
+class RawCode {
+  RawCode._();
+
+  static String pageState({
+    required String nameSnakeCase,
+    required String namePascalCase,
+  }) {
+    return '''
+import 'package:equatable/equatable.dart';
+
+enum ${namePascalCase}PageStatus {
+  initial,
+  loading,
+  ready,
+  failure,
+  ;
+
+  bool get isLoading => this == ${namePascalCase}PageStatus.loading;
+}
+
+class ${namePascalCase}PageState extends Equatable {
+  final ${namePascalCase}PageStatus status;
+  final Object? error;
+
+  const ${namePascalCase}PageState({
+    this.status = ${namePascalCase}PageStatus.initial,
+    this.error,
+  });
+
+  @override
+  List<Object?> get props => [
+        status,
+        error,
+      ];
+
+  ${namePascalCase}PageState copyWith({
+    ${namePascalCase}PageStatus? status,
+    Object? error,
+  }) {
+    return ${namePascalCase}PageState(
+      status: status ?? this.status,
+      error: error ?? this.error,
+    );
+  }
+
+  ${namePascalCase}PageState loading() {
+    return copyWith(
+      status: ${namePascalCase}PageStatus.loading,
+    );
+  }
+
+  ${namePascalCase}PageState ready() {
+    return copyWith(
+      status: ${namePascalCase}PageStatus.ready,
+    );
+  }
+
+  ${namePascalCase}PageState failure(
+    Object error,
+  ) {
+    return copyWith(
+      status: ${namePascalCase}PageStatus.failure,
+      error: error,
+    );
+  }
+}
+''';
+  }
+
+  static String pageCubit({
+    required String nameSnakeCase,
+    required String namePascalCase,
+  }) {
+    return '''
+import 'package:flutter_bloc/flutter_bloc.dart';
+
+import '${nameSnakeCase}_page_state.dart';
+
+class ${namePascalCase}PageCubit extends Cubit<${namePascalCase}PageState> {
+  bool _mounted = true;
+
+  ${namePascalCase}PageCubit() : super(const ${namePascalCase}PageState());
+
+  @override
+  Future<void> close() {
+    _mounted = false;
+    return super.close();
+  }
+
+  void _emit(${namePascalCase}PageState newState) {
+    if (_mounted) emit(newState);
+  }
+}
+''';
+  }
+
+  static String page({
+    required String nameSnakeCase,
+    required String namePascalCase,
+    required String nameTitleCase,
+  }) {
+    return '''
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+
+import 'cubit/${nameSnakeCase}_page_cubit.dart';
+import 'cubit/${nameSnakeCase}_page_state.dart';
+
+class ${namePascalCase}Page extends StatelessWidget {
+  const ${namePascalCase}Page({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return BlocProvider(
+      create: (context) => ${namePascalCase}PageCubit(),
+      child: const ${namePascalCase}View(),
+    );
+  }
+}
+
+class ${namePascalCase}View extends StatefulWidget {
+  const ${namePascalCase}View({super.key});
+
+  @override
+  State<${namePascalCase}View> createState() => _${namePascalCase}ViewState();
+}
+
+class _${namePascalCase}ViewState extends State<${namePascalCase}View> {
+  ${namePascalCase}PageCubit get _cubit {
+    return context.read<${namePascalCase}PageCubit>();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return BlocConsumer<${namePascalCase}PageCubit, ${namePascalCase}PageState>(
+      builder: (context, state) {
+        return Scaffold(
+          appBar: AppBar(
+            title: const Text('$nameTitleCase'),
+            centerTitle: true,
+          ),
+          body: const Center(
+            child: Text('$nameTitleCase'),
+          ),
+        );
+      },
+      listener: _listener,
+    );
+  }
+
+  void _listener(BuildContext context, ${namePascalCase}PageState state) {
+    switch (state.status) {
+      case ${namePascalCase}PageStatus.initial:
+      case ${namePascalCase}PageStatus.loading:
+      case ${namePascalCase}PageStatus.ready:
+        break;
+
+      case ${namePascalCase}PageStatus.failure:
+        break;
+    }
+  }
+}
+''';
+  }
+}
diff --git a/pubspec.lock b/pubspec.lock
index 919042f..f6536dd 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -1,6 +1,14 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  archive:
+    dependency: "direct main"
+    description:
+      name: archive
+      sha256: cb6a278ef2dbb298455e1a713bda08524a175630ec643a242c399c932a0a1f7d
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.6.1"
   async:
     dependency: transitive
     description:
@@ -49,6 +57,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.18.0"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      sha256: "1e445881f28f22d6140f181e07737b22f1e099a5e1ff94b0af2f9e4a463f4855"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.6"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -248,6 +264,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.7.2"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      sha256: f9049c039ebfeb4cf7a7104a675823cd72dba8297f264b6637062516699fa006
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.0"
   vector_math:
     dependency: transitive
     description:
@@ -265,5 +289,5 @@ packages:
     source: hosted
     version: "14.2.5"
 sdks:
-  dart: ">=3.4.4 <4.0.0"
+  dart: ">=3.5.0 <4.0.0"
   flutter: ">=3.18.0-18.0.pre.54"
diff --git a/pubspec.yaml b/pubspec.yaml
index 0c132c0..26a0e3a 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -14,6 +14,7 @@ dependencies:
   flutter_bloc: ^8.1.6
   recase: ^4.1.0
   syntax_highlight: ^0.4.0
+  archive: ^3.6.1
 
 dev_dependencies:
   flutter_test: