102 lines
2.8 KiB
Dart
102 lines
2.8 KiB
Dart
import 'dart:convert';
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import 'dart:io';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:notube/constants.dart';
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import 'package:notube/models/Video.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:process_run/shell.dart';
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import 'dart:developer';
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class DLServices {
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late Directory tempDir;
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late String assetName;
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late String ytDlpPath;
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String extractor = '';
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String url = '';
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bool isPlaylist = false;
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String playlistTitle = '';
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List<Video> _videos = [];
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List<Video> get videos => _videos;
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DLServices._();
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static Future<DLServices> init() async {
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debugPrint('Initializing DLServices');
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var dlService = DLServices._();
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await dlService._init();
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return dlService;
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}
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Future<void> _init() async {
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tempDir = await getTemporaryDirectory();
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assetName = 'yt-dlp.exe';
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await copyExecutable();
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}
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Future<void> copyExecutable() async {
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File tempFile = File('${tempDir.path}/$assetName');
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ByteData data = await rootBundle.load('assets/executable/$assetName');
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await tempFile.exists().then((value) {
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if (!value) {
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debugPrint('Copying $assetName to ${tempFile.path}');
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tempFile.writeAsBytes(
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data.buffer.asUint8List(data.offsetInBytes, data.lengthInBytes));
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}
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});
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ytDlpPath = tempFile.path;
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}
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Future<Stream> downloadFile(Video video) async {
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debugPrint('Downloading $url in $video.format format');
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/*
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https://youtu.be/playlist?list=PLk1fi9OrZmvGBdh9BdWIhZImGVDUqls1X
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https://youtube.com/watch?v=8bJBX-rrrn4
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*/
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// get the format code from the Format enum
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var formatCmd =
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Format.values.firstWhere((e) => e.format == video.format).ytCmd;
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debugPrint('Format code: $formatCmd');
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var cleanTitle = video.title.replaceAll(RegExp(r'[^\w\s]+'), '');
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var command =
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'${video.url.trim()} --sub-langs "all,-live_chat" --embed-subs --embed-thumbnail --embed-metadata --progress -o "temp/%(playlist)s/${cleanTitle}_${video.format}_tmp.%(ext)s" -f "$formatCmd"';
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var shellLinesController = ShellLinesController();
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var shell = Shell(stdout: shellLinesController.sink, verbose: false);
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debugPrint('Running $ytDlpPath $command');
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shell.run('$ytDlpPath $command');
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return shellLinesController.stream;
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}
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Future analyseUrl(String url) async {
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debugPrint('Analyse $url');
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var command = '${url.trim()} -q --flat-playlist -J';
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var shellLinesController = ShellLinesController();
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var shell = Shell(stdout: shellLinesController.sink);
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await shell.run('''
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$ytDlpPath $command
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''').then((result) {
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debugPrint('Analyse result: $result');
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});
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return shellLinesController.stream;
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}
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}
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