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| import 'package:flutter/material.dart';
import 'package:http/io_client.dart';
import 'package:firebase_auth/firebase_auth.dart';
import 'package:googleapis/drive/v3.dart' as drive;
import 'package:googleapis/sheets/v4.dart' as sheets;
import 'package:http/http.dart';
import 'package:google_sign_in/google_sign_in.dart';
import 'package:tracer/routes/google_login.dart';
import '../baseappbar.dart';
class Category {
late int id;
late String title;
Category(
this.id,
this.title,
);
}
class GoogleHttpClient extends IOClient {
Map<String, String> _headers;
GoogleHttpClient(this._headers) : super();
@override
Future<IOStreamedResponse> send(BaseRequest request) =>
super.send(request..headers.addAll(_headers));
@override
Future<Response> head(Uri url, {Map<String, String>? headers}) =>
super.head(url, headers: headers!..addAll(_headers));
}
class GoogleSheets extends StatefulWidget {
final User user;
const GoogleSheets({
Key? key,
required this.user,
}) : super(key: key);
@override
_GoogleSheetsState createState() => _GoogleSheetsState();
}
class _GoogleSheetsState extends State<GoogleSheets> {
late User _user;
GoogleHttpClient? authenticateClient;
Future? _future;
bool _isSigningOut = false;
String _sheetId = '';
List<Category> list= [
Category(0,'sentiment'),
Category(1,'food'),
Category(2,'sports'),
Category(3,'hardware'),
Category(4,'vehicle'),
];
@override
void initState() {
_user = widget.user;
_future = initAuth();
super.initState();
}
@override
Widget build(BuildContext context) {
return Scaffold(
resizeToAvoidBottomInset : false,
appBar: TransAppBar(
title: 'GoogleSpreadSheets',
appBar: AppBar(),
),
body: FutureBuilder(
future: _future,
builder: (context, snapshot) {
switch (snapshot.connectionState) {
case ConnectionState.waiting:
return const Center(
child: CircularProgressIndicator(),
);
default:
if (snapshot.hasError) {
print(snapshot.error);
return Text('Error: ${snapshot.error}');
} else {
return createGSheets();
}
}
}
)
);
}
createGSheets() {
return SafeArea(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Row(),
_user.photoURL != null
? ClipOval(
child: Material(
color: Colors.white60,
child: Image.network(
_user.photoURL!,
fit: BoxFit.fitHeight,
),
),
)
: const ClipOval(
child: Material(
color: Colors.black12,
child: Padding(
padding: EdgeInsets.all(16.0),
child: Icon(
Icons.person,
size: 60,
color: Colors.deepOrange,
),
),
),
),
const SizedBox(height: 16.0),
OutlinedButton(
child: const Text('Upload'),
onPressed: () async {
if (authenticateClient == null) {
Navigator.of(context).pushReplacement(
MaterialPageRoute(
builder: (context) => const GoogleLogin(),
),
);
}
String? sheetId = await createSheet();
if(sheetId != null) {
await insertSheet(sheetId);
showDialog(
context: context,
builder: (context) {
return AlertDialog(
content: const Text('Googleスプレッドシートを作成しました。'),
actions: [
ElevatedButton(
onPressed: () => Navigator.pop(context, 'OK'),
child: const Text('OK'),
),
],
);
},
);
}
},
),
_isSigningOut
? const CircularProgressIndicator()
: OutlinedButton(
child: const Text('Sign Out'),
onPressed: () async {
setState(() {
_isSigningOut = true;
});
await signOut();
setState(() {
_isSigningOut = false;
});
Navigator.of(context).pushReplacement(
MaterialPageRoute(
builder: (context) => const GoogleLogin(),
),
);
}
)
],
),
);
}
Future<GoogleHttpClient?> initAuth() async {
GoogleSignInAccount? googleSignInAccount = await GoogleSignIn().signInSilently();
if (googleSignInAccount == null) {
return null;
}
authenticateClient = GoogleHttpClient(await googleSignInAccount.authHeaders);
return authenticateClient;
}
Future<String?> createSheet() async {
GoogleSignInAccount? googleSignInAccount = await GoogleSignIn().signInSilently();
if (googleSignInAccount == null) {
return null;
}
authenticateClient = GoogleHttpClient(await googleSignInAccount.authHeaders);
final driveApi = drive.DriveApi(authenticateClient!);
var driveFile = drive.File();
driveFile.name = 'FlutterApp';
driveFile.mimeType = 'application/vnd.google-apps.spreadsheet';
final result = await driveApi.files.create(driveFile);
String sheetId = result.id!;
return sheetId;
}
Future<void> insertSheet(String sheetId) async {
final sheetsApi = sheets.SheetsApi(authenticateClient!);
List<dynamic> inputData = [];
for (int i = 0; i < list.length; i++) {
List<dynamic> row = [];
row.add(list[i].id);
row.add(list[i].title);
inputData.add(row);
}
sheets.ValueRange vr = sheets.ValueRange.fromJson({ 'values': inputData });
await sheetsApi.spreadsheets.values
.append(vr, sheetId, 'A:B', valueInputOption: 'USER_ENTERED')
.then((sheets.AppendValuesResponse r) {
});
return;
}
Future<void> signOut() async {
final GoogleSignIn googleSignIn = GoogleSignIn();
await googleSignIn.signOut();
await FirebaseAuth.instance.signOut();
}
}
|
