Add : Web file gethering

2025-05-09 16:56:41 +09:00
parent 2922726916
commit caa2502a1e
4 changed files with 283 additions and 124 deletions
@@ -19,7 +19,3 @@ subprojects {
 tasks.register<Delete>("clean") {
    delete(rootProject.layout.buildDirectory)
 }
-android {
-        ndkVersion = "27.0.12077973"
-        ...
-}
@@ -4,35 +4,54 @@ import 'package:flutter/services.dart' show rootBundle;
 import 'package:window_size/window_size.dart';
 import 'package:desktop_window/desktop_window.dart';
 import 'package:flutter_native_splash/flutter_native_splash.dart';
-
+import 'package:http/http.dart' as http;
+import 'package:csv/csv.dart';

 void main() {
  WidgetsBinding widgetsBinding = WidgetsFlutterBinding.ensureInitialized();
  setWindowTitle('하나랜덤식당');
-  DesktopWindow.setWindowSize(Size(480,740));
+  DesktopWindow.setWindowSize(Size(480, 740));
  //FlutterNativeSplash.preserve(widgetsBinding: widgetsBinding);
  FlutterNativeSplash.remove();
  runApp(RandomSelectorApp());
 }

+Future<String> fetchCsvData(String url) async {
+  try {
+    final response = await http.get(Uri.parse(url));
+    if (response.statusCode == 200) {
+      return response.body;
+    } else {
+      print('Failed to fetch CSV: ${response.statusCode}');
+      return ''; // Or throw an error
+    }
+  } catch (e) {
+    print('Error fetching CSV: $e');
+    return ''; // Or throw an error
+  }
+}

 class RandomSelectorApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
-    return MaterialApp(
-      title: '명동 식당고르기',
-      home: RandomSelectorScreen(),
-    );
+    return MaterialApp(title: '명동 식당고르기', home: RandomSelectorScreen());
  }
 }

 class RandomSelectorScreen extends StatefulWidget {
+  final String csvUrl =
+      'https://raw.githubusercontent.com/rl544/HanaRandomFood/refs/heads/main/assets/list.csv'; // Replace with the actual URL
+
  @override
  _RandomSelectorScreenState createState() => _RandomSelectorScreenState();
 }

-class _RandomSelectorScreenState extends State<RandomSelectorScreen> with SingleTickerProviderStateMixin {
+class _RandomSelectorScreenState extends State<RandomSelectorScreen>
+    with SingleTickerProviderStateMixin {
  List<String> items = [];
+  List<String> _csvData = []; // List<List<dynamic>> _csvData = [];
+  List<Map<String, dynamic>> _csvDataWithHeader = [];
+  // List<dynamic>? selectedItem;
  String? selectedItem;
  int _key = 0;
  Color _color1 = const Color.fromARGB(255, 242, 240, 245);
@@ -40,6 +59,7 @@ class _RandomSelectorScreenState extends State<RandomSelectorScreen> with Single
  late AnimationController _controller;
  late Animation<double> _rotationAnimation;
  bool _loading = true;
+  String _errorMessage = '';

  @override
  void initState() {
@@ -48,22 +68,112 @@ class _RandomSelectorScreenState extends State<RandomSelectorScreen> with Single
      duration: Duration(milliseconds: 600),
      vsync: this,
    );
-    _rotationAnimation = Tween<double>(begin: 0, end: 2 * pi).animate(
-      CurvedAnimation(parent: _controller, curve: Curves.elasticOut),
-    );
-    _loadCSV();
+    _rotationAnimation = Tween<double>(
+      begin: 0,
+      end: 2 * pi,
+    ).animate(CurvedAnimation(parent: _controller, curve: Curves.elasticOut));
+    _loadCsvData(); // from Web
+    // _loadCSV(); // from internal
  }

+  Future<void> _loadCsvData() async {
+    setState(() {
+      _loading = true;
+      _errorMessage = '';
+    });
+    final csvString = await fetchCsvData(widget.csvUrl);
+    if (csvString.isNotEmpty) {
+      setState(() {
+        // _csvData = parseCsv(csvString);
+        _csvData = parseLCsv(csvString);
+        _csvDataWithHeader = parseCsvWithHeader(csvString);
+        _loading = false;
+      });
+    } else {
+      setState(() {
+        _loading = false;
+        _errorMessage = 'Failed to load CSV data.';
+      });
+    }
+  }
+
+  // @override
+  // Widget build(BuildContext context) {
+  //   return Scaffold(
+  //     appBar: AppBar(title: Text('CSV Data from Web')),
+  //     body:
+  //         _loading
+  //             ? Center(child: CircularProgressIndicator())
+  //             : _errorMessage.isNotEmpty
+  //             ? Center(child: Text(_errorMessage))
+  //             : SingleChildScrollView(
+  //               child: Column(
+  //                 crossAxisAlignment: CrossAxisAlignment.start,
+  //                 children: [
+  //                   Text(
+  //                     'Raw CSV Data:',
+  //                     style: TextStyle(fontWeight: FontWeight.bold),
+  //                   ),
+  //                   for (var row in _csvData) Text(row.join(', ')),
+  //                   SizedBox(height: 20),
+  //                   Text(
+  //                     'CSV Data with Header:',
+  //                     style: TextStyle(fontWeight: FontWeight.bold),
+  //                   ),
+  //                   if (_csvDataWithHeader.isNotEmpty)
+  //                     for (var row in _csvDataWithHeader) Text(row.toString()),
+  //                   if (_csvDataWithHeader.isEmpty && _csvData.isNotEmpty)
+  //                     Text('No header row detected (using basic parsing).'),
+  //                   if (_csvData.isEmpty && _errorMessage.isEmpty)
+  //                     Text('No CSV data loaded yet.'),
+  //                 ],
+  //               ),
+  //             ),
+  //   );
+  // }
+
  Future<void> _loadCSV() async {
    final csvString = await rootBundle.loadString('assets/list.csv');
    setState(() {
-      items = csvString
+      items = parseLCsv(csvString);
+      _loading = false;
+    });
+  }
+
+  List<String> parseLCsv(String csvString) {
+    final List<String> ans =
+        csvString
            .split('\n')
            .map((e) => e.trim())
            .where((e) => e.isNotEmpty)
            .toList();
-      _loading = false;
-    });
+    return ans;
+  }
+
+  List<List<dynamic>> parseCsv(String csvString) {
+    final List<List<dynamic>> rowsAsListOfValues = const CsvToListConverter()
+        .convert(csvString);
+    return rowsAsListOfValues;
+  }
+
+  List<Map<String, dynamic>> parseCsvWithHeader(String csvString) {
+    final List<List<dynamic>> rows = const CsvToListConverter().convert(
+      csvString,
+    );
+    if (rows.isEmpty) {
+      return [];
+    }
+    final List<String> header =
+        rows.first.map((item) => item.toString()).toList();
+    final List<Map<String, dynamic>> data = [];
+    for (int i = 1; i < rows.length; i++) {
+      final Map<String, dynamic> rowData = {};
+      for (int j = 0; j < header.length; j++) {
+        rowData[header[j]] = rows[i][j];
+      }
+      data.add(rowData);
+    }
+    return data;
  }

  @override
@@ -73,13 +183,17 @@ class _RandomSelectorScreenState extends State<RandomSelectorScreen> with Single
  }

  void selectRandomItem() {
-    if (items.isEmpty) return;
+    if (_csvData.isEmpty) return; // _csvData items
    final random = Random();
    setState(() {
-      selectedItem = items[random.nextInt(items.length)];
+      selectedItem = _csvData[random.nextInt(_csvData.length)];
      _key++;
-      _color1 = Color((random.nextDouble() * 0xFFFFFF).toInt()).withOpacity(0.2);
-      _color2 = Color((random.nextDouble() * 0xFFFFFF).toInt()).withOpacity(0.2);
+      _color1 = Color(
+        (random.nextDouble() * 0xFFFFFF).toInt(),
+      ).withOpacity(0.2);
+      _color2 = Color(
+        (random.nextDouble() * 0xFFFFFF).toInt(),
+      ).withOpacity(0.2);
    });
    _controller.forward(from: 0);
  }
@@ -87,7 +201,6 @@ class _RandomSelectorScreenState extends State<RandomSelectorScreen> with Single
  @override
  Widget build(BuildContext context) {
    return Scaffold(
-
      body: AnimatedContainer(
        duration: Duration(milliseconds: 1200),
        decoration: BoxDecoration(
@@ -98,7 +211,8 @@ class _RandomSelectorScreenState extends State<RandomSelectorScreen> with Single
          ),
        ),
        child: Center(
-          child: _loading
+          child:
+              _loading
                  ? CircularProgressIndicator()
                  : Column(
                    mainAxisAlignment: MainAxisAlignment.center,
@@ -112,10 +226,19 @@ class _RandomSelectorScreenState extends State<RandomSelectorScreen> with Single
                          shape: RoundedRectangleBorder(
                            borderRadius: BorderRadius.circular(10),
                          ),
-                        padding: EdgeInsets.symmetric(horizontal: 32, vertical: 16),
-                        textStyle: TextStyle(fontSize: 24, fontWeight: FontWeight.bold),
+                          padding: EdgeInsets.symmetric(
+                            horizontal: 32,
+                            vertical: 16,
                          ),
-                      child: Text('하나은행 IT시스템부 단말인프라팀', style: TextStyle(color: Colors.white,
+                          textStyle: TextStyle(
+                            fontSize: 24,
+                            fontWeight: FontWeight.bold,
+                          ),
+                        ),
+                        child: Text(
+                          '하나은행 IT시스템부 단말인프라팀',
+                          style: TextStyle(
+                            color: Colors.white,
                            shadows: [
                              Shadow(
                                blurRadius: 18.0,
@@ -150,7 +273,10 @@ class _RandomSelectorScreenState extends State<RandomSelectorScreen> with Single
                        },
                        child: AnimatedSwitcher(
                          duration: Duration(milliseconds: 500),
-                        transitionBuilder: (Widget child, Animation<double> animation) {
+                          transitionBuilder: (
+                            Widget child,
+                            Animation<double> animation,
+                          ) {
                            return ScaleTransition(
                              scale: animation,
                              child: FadeTransition(
@@ -186,17 +312,29 @@ class _RandomSelectorScreenState extends State<RandomSelectorScreen> with Single
                      SizedBox(height: 50),
                      ElevatedButton(
                        style: ElevatedButton.styleFrom(
-                        backgroundColor: const Color.fromARGB(255, 101, 177, 130),
+                          backgroundColor: const Color.fromARGB(
+                            255,
+                            101,
+                            177,
+                            130,
+                          ),
                          foregroundColor: _color1,
                          elevation: 10,
                          shape: RoundedRectangleBorder(
                            borderRadius: BorderRadius.circular(30),
                          ),
-                        padding: EdgeInsets.symmetric(horizontal: 32, vertical: 16),
-                        textStyle: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
+                          padding: EdgeInsets.symmetric(
+                            horizontal: 32,
+                            vertical: 16,
+                          ),
+                          textStyle: TextStyle(
+                            fontSize: 20,
+                            fontWeight: FontWeight.bold,
+                          ),
                        ),
                        onPressed: selectRandomItem,
-                      child: Text('어디로 갈까요?',
+                        child: Text(
+                          '어디로 갈까요?',
                          style: TextStyle(
                            color: Colors.white,
                            shadows: [
@@ -184,6 +184,22 @@ packages:
      url: "https://pub.dev"
    source: hosted
    version: "0.15.6"
+  http:
+    dependency: "direct main"
+    description:
+      name: http
+      sha256: "2c11f3f94c687ee9bad77c171151672986360b2b001d109814ee7140b2cf261b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.0"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      sha256: "178d74305e7866013777bab2c3d8726205dc5a4dd935297175b19a23a2e66571"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.1.2"
  image:
    dependency: transitive
    description:
@@ -365,6 +381,14 @@ packages:
      url: "https://pub.dev"
    source: hosted
    version: "14.3.1"
+  web:
+    dependency: transitive
+    description:
+      name: web
+      sha256: "868d88a33d8a87b18ffc05f9f030ba328ffefba92d6c127917a2ba740f9cfe4a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.1"
  window_size:
    dependency: "direct main"
    description:
@@ -34,6 +34,7 @@ dependencies:
  # The following adds the Cupertino Icons font to your application.
  # Use with the CupertinoIcons class for iOS style icons.
  cupertino_icons: ^1.0.8
+  http: ^1.2.1
  csv: ^6.0.0
  flutter_launcher_icons: ^0.14.3
  flutter_native_splash: ^2.4.6