spotube/lib/utils/service_utils.dart
2024-02-25 15:18:41 +05:30

412 lines
14 KiB
Dart

import 'dart:convert';
import 'dart:io';
import 'package:flutter/widgets.dart' hide Element;
import 'package:go_router/go_router.dart';
import 'package:html/dom.dart';
import 'package:spotify/spotify.dart';
import 'package:spotube/components/library/user_local_tracks.dart';
import 'package:spotube/models/logger.dart';
import 'package:http/http.dart' as http;
import 'package:spotube/models/lyrics.dart';
import 'package:spotube/services/sourced_track/sourced_track.dart';
import 'package:spotube/utils/primitive_utils.dart';
import 'package:collection/collection.dart';
import 'package:html/parser.dart' as parser;
abstract class ServiceUtils {
static final logger = getLogger("ServiceUtils");
static final _englishMatcherRegex = RegExp(
"^[a-zA-Z0-9\\s!\"#\$%&\\'()*+,-.\\/:;<=>?@\\[\\]^_`{|}~]*\$",
);
static bool onlyContainsEnglish(String text) {
return _englishMatcherRegex.hasMatch(text);
}
static String clearArtistsOfTitle(String title, List<String> artists) {
return title
.replaceAll(RegExp(artists.join("|"), caseSensitive: false), "")
.trim();
}
static String getTitle(
String title, {
List<String> artists = const [],
bool onlyCleanArtist = false,
}) {
final match = RegExp(r"(?<=\().+?(?=\))").firstMatch(title)?.group(0);
final artistInBracket =
artists.any((artist) => match?.contains(artist) ?? false);
if (artistInBracket) {
title = title.replaceAll(
RegExp(" *\\([^)]*\\) *"),
'',
);
}
title = clearArtistsOfTitle(title, artists);
if (onlyCleanArtist) {
artists = [];
}
return "$title ${artists.map((e) => e.replaceAll(",", " ")).join(", ")}"
.toLowerCase()
.replaceAll(RegExp(" *\\[[^\\]]*]"), '')
.replaceAll(RegExp("feat.|ft."), '')
.replaceAll(RegExp("\\s+"), ' ')
.trim();
}
static Future<String?> extractLyrics(Uri url) async {
final response = await http.get(url);
Document document = parser.parse(response.body);
String? lyrics = document.querySelector('div.lyrics')?.text.trim();
if (lyrics == null) {
lyrics = "";
document
.querySelectorAll("div[class^=\"Lyrics__Container\"]")
.forEach((element) {
if (element.text.trim().isNotEmpty) {
final snippet = element.innerHtml.replaceAll("<br>", "\n").replaceAll(
RegExp("<(?!\\s*br\\s*\\/?)[^>]+>", caseSensitive: false),
"",
);
final el = document.createElement("textarea");
el.innerHtml = snippet;
lyrics = "$lyrics${el.text.trim()}\n\n";
}
});
}
return lyrics;
}
@Deprecated("In favor spotify lyrics api, this isn't needed anymore")
static Future<List?> searchSong(
String title,
List<String> artist, {
String? apiKey,
bool optimizeQuery = false,
bool authHeader = false,
}) async {
if (apiKey == "" || apiKey == null) {
apiKey = PrimitiveUtils.getRandomElement(/* lyricsSecrets */ []);
}
const searchUrl = 'https://api.genius.com/search?q=';
String song =
optimizeQuery ? getTitle(title, artists: artist) : "$title $artist";
String reqUrl = "$searchUrl${Uri.encodeComponent(song)}";
Map<String, String> headers = {"Authorization": 'Bearer $apiKey'};
final response = await http.get(
Uri.parse(authHeader ? reqUrl : "$reqUrl&access_token=$apiKey"),
headers: authHeader ? headers : null,
);
Map data = jsonDecode(response.body)["response"];
if (data["hits"]?.length == 0) return null;
List results = data["hits"]?.map((val) {
return <String, dynamic>{
"id": val["result"]["id"],
"full_title": val["result"]["full_title"],
"albumArt": val["result"]["song_art_image_url"],
"url": val["result"]["url"],
"author": val["result"]["primary_artist"]["name"],
};
}).toList();
return results;
}
static Future<String?> getGeniusLyrics(
{required String title, required List<String> artists}) async {
//Requires a non-blacklisted, valid User Agent. Or else, cloudflare might throw a 403.
Map<String, String> headers = {
HttpHeaders.userAgentHeader:
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36 Edg/117.0.2045.4",
};
final searchResultResponse = await http.get(
Uri.parse(
"https://genius.com/api/search/multi?q=${title.replaceAll(RegExp(r"(\(.*\))"), "")} ${artists[0]}"),
headers: headers);
final searchResultObj = jsonDecode(searchResultResponse.body);
String topResultPath;
try {
topResultPath = searchResultObj["response"]["sections"][0]["hits"][0]
["result"]["path"] as String;
logger.t("topResultUrl: https://genius.com$topResultPath");
} catch (e) {
//logger.e(e);
throw "topResultPath not found!";
}
final lyrics =
await extractLyrics(Uri.parse("https://genius.com$topResultPath"));
return lyrics?.trim();
}
static Future<String?> getAZLyrics(
{required String title, required List<String> artists}) async {
const Map<String, String> headers = {
HttpHeaders.userAgentHeader:
"Mozilla/5.0 (Linux i656 ; en-US) AppleWebKit/601.49 (KHTML, like Gecko) Chrome/51.0.1145.334 Safari/600"
};
//Will throw error 400 when you request the script without the host header
const Map<String, String> headersForScript = {
HttpHeaders.userAgentHeader:
"Mozilla/5.0 (Linux i656 ; en-US) AppleWebKit/601.49 (KHTML, like Gecko) Chrome/51.0.1145.334 Safari/600",
HttpHeaders.hostHeader: "www.azlyrics.com",
};
final azLyricsGeoScript = await http.get(
Uri.parse("https://www.azlyrics.com/geo.js"),
headers: headersForScript);
RegExp scriptValueRegex = RegExp(r'\.setAttribute\("value", "(.*)"\);');
RegExp scriptNameRegex = RegExp(r'\.setAttribute\("name", "(.*)"\);');
final String? v =
scriptValueRegex.firstMatch(azLyricsGeoScript.body)?.group(1);
final String? x =
scriptNameRegex.firstMatch(azLyricsGeoScript.body)?.group(1);
logger.t("Additional URL params: $x=$v");
final suggestionUrl = Uri.parse(
"https://search.azlyrics.com/suggest.php?q=${title.replaceAll(RegExp(r"(\(.*\))"), "")} ${artists[0]}&${x.toString()}=${v.toString()}");
final searchResponse = await http.get(suggestionUrl, headers: headers);
if (searchResponse.statusCode != 200) {
throw "searchResponse = ${searchResponse.statusCode}";
}
final Map searchResult = jsonDecode(searchResponse.body);
String bestLyricsURL;
try {
bestLyricsURL = searchResult["songs"][0]["url"];
logger.t("bestLyricsURL: $bestLyricsURL");
} catch (e) {
throw "No best Lyrics URL";
}
final lyricsResponse =
await http.get(Uri.parse(bestLyricsURL), headers: headers);
if (lyricsResponse.statusCode != 200) {
throw "lyricsResponse = ${lyricsResponse.statusCode}";
}
var document = parser.parse(lyricsResponse.body);
var lyricsDiv = document.querySelectorAll(
"body > div.container.main-page > div.row > div.col-xs-12.col-lg-8.text-center > div");
if (lyricsDiv.isEmpty) throw "lyricsDiv is empty";
final String lyrics = lyricsDiv[4].text;
return lyrics.trim();
}
@Deprecated("In favor spotify lyrics api, this isn't needed anymore")
static Future<String?> getLyrics(
String title,
List<String> artists, {
required String apiKey,
bool optimizeQuery = false,
bool authHeader = false,
}) async {
final results = await searchSong(
title,
artists,
apiKey: apiKey,
optimizeQuery: optimizeQuery,
authHeader: authHeader,
);
if (results == null) return null;
title = getTitle(
title,
artists: artists,
onlyCleanArtist: true,
).trim();
final ratedLyrics = results.map((result) {
final gTitle = (result["full_title"] as String).toLowerCase();
int points = 0;
final hasTitle = gTitle.contains(title);
final hasAllArtists =
artists.every((artist) => gTitle.contains(artist.toLowerCase()));
final String lyricAuthor = result["author"].toLowerCase();
final fromOriginalAuthor =
lyricAuthor.contains(artists.first.toLowerCase());
for (final criteria in [
hasTitle,
hasAllArtists,
fromOriginalAuthor,
]) {
if (criteria) points++;
}
return {"result": result, "points": points};
}).sorted(
(a, b) => ((a["points"] as int).compareTo(a["points"] as int)),
);
final worthyOne = ratedLyrics.first["result"];
String? lyrics = await extractLyrics(Uri.parse(worthyOne["url"]));
return lyrics;
}
@Deprecated("In favor spotify lyrics api, this isn't needed anymore")
static const baseUri = "https://www.rentanadviser.com/subtitles";
@Deprecated("In favor spotify lyrics api, this isn't needed anymore")
static Future<SubtitleSimple?> getTimedLyrics(SourcedTrack track) async {
final artistNames =
track.artists?.map((artist) => artist.name!).toList() ?? [];
final query = getTitle(
track.name!,
artists: artistNames,
);
logger.v("[Searching Subtitle] $query");
final searchUri = Uri.parse("$baseUri/subtitles4songs.aspx").replace(
queryParameters: {"q": query},
);
final res = await http.get(searchUri);
final document = parser.parse(res.body);
final results =
document.querySelectorAll("#tablecontainer table tbody tr td a");
final rateSortedResults = results.map((result) {
final title = result.text.trim().toLowerCase();
int points = 0;
final hasAllArtists = track.artists
?.map((artist) => artist.name!)
.every((artist) => title.contains(artist.toLowerCase())) ??
false;
final hasTrackName = title.contains(track.name!.toLowerCase());
final isNotLive = !PrimitiveUtils.containsTextInBracket(title, "live");
final exactYtMatch = title == track.sourceInfo.title.toLowerCase();
if (exactYtMatch) points = 7;
for (final criteria in [hasTrackName, hasAllArtists, isNotLive]) {
if (criteria) points++;
}
return {"result": result, "points": points};
}).sorted((a, b) => (b["points"] as int).compareTo(a["points"] as int));
// not result was found at all
if (rateSortedResults.first["points"] == 0) {
logger.e("[Subtitle not found] ${track.name}");
return Future.error("Subtitle lookup failed", StackTrace.current);
}
final topResult = rateSortedResults.first["result"] as Element;
final subtitleUri =
Uri.parse("$baseUri/${topResult.attributes["href"]}&type=lrc");
logger.v("[Selected subtitle] ${topResult.text} | $subtitleUri");
final lrcDocument = parser.parse((await http.get(subtitleUri)).body);
final lrcList = lrcDocument
.querySelector("#ctl00_ContentPlaceHolder1_lbllyrics")
?.innerHtml
.replaceAll(RegExp(r'<h3>.*</h3>'), "")
.split("<br>")
.map((e) {
e = e.trim();
final regexp = RegExp(r'\[.*\]');
final timeStr = regexp
.firstMatch(e)
?.group(0)
?.replaceAll(RegExp(r'\[|\]'), "")
.trim()
.split(":");
final minuteSeconds = timeStr?.last.split(".");
return LyricSlice(
time: Duration(
minutes: int.parse(timeStr?.first ?? "0"),
seconds: int.parse(minuteSeconds?.first ?? "0"),
milliseconds: int.parse(minuteSeconds?.last ?? "0"),
),
text: e.split(regexp).last);
}).toList() ??
[];
final subtitle = SubtitleSimple(
name: topResult.text.trim(),
uri: subtitleUri,
lyrics: lrcList,
rating: rateSortedResults.first["points"] as int,
);
return subtitle;
}
static void navigate(BuildContext context, String location, {Object? extra}) {
if (GoRouterState.of(context).matchedLocation == location) return;
GoRouter.of(context).go(location, extra: extra);
}
static void push(BuildContext context, String location, {Object? extra}) {
final router = GoRouter.of(context);
final routerState = GoRouterState.of(context);
final routerStack = router.routerDelegate.currentConfiguration.matches
.map((e) => e.matchedLocation);
if (routerState.matchedLocation == location ||
routerStack.contains(location)) return;
router.push(location, extra: extra);
}
static DateTime parseSpotifyAlbumDate(AlbumSimple? album) {
if (album == null || album.releaseDate == null) {
return DateTime.parse("1975-01-01");
}
switch (album.releaseDatePrecision ?? DatePrecision.year) {
case DatePrecision.day:
return DateTime.parse(album.releaseDate!);
case DatePrecision.month:
return DateTime.parse("${album.releaseDate}-01");
case DatePrecision.year:
return DateTime.parse("${album.releaseDate}-01-01");
}
}
static List<T> sortTracks<T extends Track>(List<T> tracks, SortBy sortBy) {
if (sortBy == SortBy.none) return tracks;
return List<T>.from(tracks)
..sort((a, b) {
switch (sortBy) {
case SortBy.album:
return a.album?.name?.compareTo(b.album?.name ?? "") ?? 0;
case SortBy.artist:
return a.artists?.first.name
?.compareTo(b.artists?.first.name ?? "") ??
0;
case SortBy.ascending:
return a.name?.compareTo(b.name ?? "") ?? 0;
case SortBy.oldest:
final aDate = parseSpotifyAlbumDate(a.album);
final bDate = parseSpotifyAlbumDate(b.album);
return aDate.compareTo(bDate);
case SortBy.newest:
final aDate = parseSpotifyAlbumDate(a.album);
final bDate = parseSpotifyAlbumDate(b.album);
return bDate.compareTo(aDate);
case SortBy.descending:
return b.name?.compareTo(a.name ?? "") ?? 0;
default:
return 0;
}
});
}
}