cloudflare_r2 0.0.6

cloudflare_r2: ^0.0.6 copied to clipboard

example/lib/main.dart

import 'dart:developer';
import 'dart:io';
import 'dart:typed_data';

import 'package:flutter/material.dart';
import 'package:cloudflare_r2/cloudflare_r2.dart';

import 'package:path_provider/path_provider.dart';

Future<void> main() async {
  // await CloudFlareR2.init();
  runApp(const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  final controllerAccountId = TextEditingController(text: '');

  final controllerAcessId = TextEditingController(text: '');

  final controllerSecretAccessKey = TextEditingController(text: '');

  final controllerBucket = TextEditingController(text: '');

  final controllerObjectName = TextEditingController(text: '');
  //
  final controllercacheControl = TextEditingController(text: '');
  final controllercontentType = TextEditingController(text: '');

  String result = '';

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(title: const Text('CloudFlare R2 Example')),
        body: Center(
          child: SizedBox(
            width: 400,
            child: SingleChildScrollView(
              child: Column(
                children: [
                  TextField(
                    controller: controllerAccountId,
                    decoration: const InputDecoration(
                      labelText: 'Account Id',
                    ),
                  ),
                  TextField(
                    controller: controllerAcessId,
                    decoration: const InputDecoration(
                      labelText: 'Access Key ID',
                    ),
                  ),
                  TextField(
                    controller: controllerSecretAccessKey,
                    decoration: const InputDecoration(
                      labelText: 'Secret Access Key',
                    ),
                  ),
                  TextField(
                    controller: controllerBucket,
                    decoration: const InputDecoration(
                      labelText: 'Bucket',
                    ),
                  ),
                  TextField(
                    controller: controllerObjectName,
                    decoration: const InputDecoration(
                      labelText: 'Object Name',
                    ),
                  ),
                  const SizedBox(height: 20),
                  Row(
                    children: [
                      ElevatedButton(
                          onPressed: () async {
                            Stopwatch sw = Stopwatch()..start();
                            CloudFlareR2.init(
                              accoundId: controllerAccountId.text,
                              accessKeyId: controllerAcessId.text,
                              secretAccessKey: controllerSecretAccessKey.text,
                            );
                            var path = (await getApplicationSupportDirectory()).path;
                            path = '$path${Platform.pathSeparator}${controllerObjectName.text}';
                            log(path);
                            await CloudFlareR2.getObject(
                              pathToSave: path,
                              onReceiveProgress: (total, received) {
                                if (total != -1) {
                                  log('${(received / total * 100).toStringAsFixed(0)}%');
                                }
                              },
                              bucket: controllerBucket.text,
                              objectName: controllerObjectName.text,
                            );
                            sw.stop();
                            log('${sw.elapsed.inSeconds} seconds');
                            int timeDownloaded = sw.elapsed.inSeconds;

                            File file = File(path);
                            // await file.writeAsBytes(object);

                            log(file.path);
                            if (file.existsSync()) {
                              log('file exists');
                              setState(() {
                                result = 'File downloaded to: ${file.path}\n\n Time Downloaded: $timeDownloaded seconds';
                              });
                            }
                          },
                          child: const Text('Get Object')),
                      //get the object size
                      ElevatedButton(
                          onPressed: () async {
                            Stopwatch sw = Stopwatch()..start();
                            CloudFlareR2.init(
                              accoundId: controllerAccountId.text,
                              accessKeyId: controllerAcessId.text,
                              secretAccessKey: controllerSecretAccessKey.text,
                            );
                            var size = await CloudFlareR2.getObjectSize(
                              bucket: controllerBucket.text,
                              objectName: controllerObjectName.text,
                            );
                            sw.stop();
                            log('${sw.elapsed.inSeconds} seconds');
                            int time = sw.elapsed.inSeconds;

                            setState(() {
                              result =
                                  'File Size: $size bytes , ${(size / 1024 / 1024).toStringAsFixed(2)} MB\n\n Duration: $time seconds';
                            });
                          },
                          child: const Text('Get Object Size')),
                    ],
                  ),
                  const Divider(),
                  TextField(
                    controller: controllercacheControl,
                    decoration: const InputDecoration(
                      labelText: 'Cache Control',
                    ),
                  ),
                  TextField(
                    controller: controllercontentType,
                    decoration: const InputDecoration(
                      labelText: 'Content Type',
                    ),
                  ),
                  ElevatedButton(
                      onPressed: () async {
                        var path = (await getApplicationSupportDirectory()).path;
                        path = '$path${Platform.pathSeparator}${controllerObjectName.text}';
                        log(path);
                        File file = File(path);
                        file.writeAsStringSync('Hello World Clouldflare R2: ${DateTime.now()}');

                        Uint8List objectBytes = await file.readAsBytes();
                        //
                        CloudFlareR2.init(
                          accoundId: controllerAccountId.text,
                          accessKeyId: controllerAcessId.text,
                          secretAccessKey: controllerSecretAccessKey.text,
                        );
                        //
                        Stopwatch sw = Stopwatch()..start();
                        await CloudFlareR2.putObject(
                            bucket: controllerBucket.text,
                            objectName: controllerObjectName.text,
                            objectBytes: objectBytes,
                            // cacheControl: controllercacheControl.text,
                            contentType: controllercontentType.text);
                        sw.stop();
                        log('${sw.elapsed.inSeconds} seconds');
                        int time = sw.elapsed.inSeconds;

                        setState(() {
                          result =
                              'File uploaded to: ${"${controllerBucket.text}/${controllerObjectName.text}"}\n\n Time Upload: $time seconds';
                        });
                      },
                      child: const Text('Put Object')),
                  const Divider(),
                  ElevatedButton(
                      onPressed: () async {
                        Stopwatch sw = Stopwatch()..start();
                        CloudFlareR2.init(
                          accoundId: controllerAccountId.text,
                          accessKeyId: controllerAcessId.text,
                          secretAccessKey: controllerSecretAccessKey.text,
                        );
                        await CloudFlareR2.deleteObject(bucket: controllerBucket.text, objectName: controllerObjectName.text);
                        sw.stop();
                        log('${sw.elapsed.inSeconds} seconds');
                        int time = sw.elapsed.inSeconds;

                        setState(() {
                          result =
                              'File Deleted to: ${"${controllerBucket.text}/${controllerObjectName.text}"}\n\n Time to Delete: $time seconds';
                        });
                      },
                      child: const Text('Delete Object')),
                  Text(result)
                ],
              ),
            ),
          ),
        ),
      ),
    );
  }
}