Add back ChartLyrics

This reverts commit c992768efe560477b92ee739a4d722818405ff52.

Changelog

@@ -120,7 +120,6 @@ Version 0.6.1:
     * Replaced FTS3 and custom tokenizer with FTS5 with unicode61.
     * Fixed certain cases where track slider popup was stuck.
     * Fixed certain cases where the playing widget gets stuck when switching fast between context and other widgets.
-    * Removed ChartLyrics provider (service have been down for a long time).
 
 Version 0.5.5:
 

README.md

@@ -20,7 +20,7 @@ Strawberry is a music player and music collection organizer. It is a fork of Cle
   * Edit tags on music files
   * Fetch tags from MusicBrainz
   * Album cover art from Last.fm, Musicbrainz, Discogs, Deezer and Tidal
-  * Song lyrics from AudD, lyrics.ovh and lololyrics.com
+  * Song lyrics from AudD, ChartLyrics, lyrics.ovh and lololyrics.com
   * Support for multiple backends
   * Audio analyzer
   * Audio equalizer

debian/control

@@ -58,7 +58,7 @@ Description: Audio player and music collection organizer
   - Edit tags on music files
   - Fetch tags from MusicBrainz
   - Album cover art from Lastfm, Musicbrainz, Discogs, Deezer and Tidal
-  - Song lyrics from AudD, lyrics.ovh and lololyrics.com
+  - Song lyrics from AudD, ChartLyrics, lyrics.ovh and lololyrics.com
   - Support for multiple backends
   - Audio analyzer
   - Audio equalizer

dist/man/strawberry.1

@@ -27,7 +27,7 @@ Features:
 .br
 - Album cover art from Lastfm, Musicbrainz, Discogs, Deezer and Tidal
 .br
-- Song lyrics from AudD, lyrics.ovh and lololyrics.com
+- Song lyrics from AudD, ChartLyrics, lyrics.ovh and lololyrics.com 
 .br
 - Support for multiple backends
 .br

dist/rpm/strawberry.spec.in

@@ -103,7 +103,7 @@ Features:
   - Edit tags on music files
   - Fetch tags from MusicBrainz
   - Album cover art from Last.fm, Musicbrainz, Discogs, Deezer and Tidal
-  - Song lyrics from AudD, lyrics.ovh and lololyrics.com
+  - Song lyrics from AudD, ChartLyrics, lyrics.ovh and lololyrics.com
   - Support for multiple backends
   - Audio analyzer
   - Audio equalizer

src/CMakeLists.txt

@@ -235,6 +235,7 @@ set(SOURCES
   lyrics/auddlyricsprovider.cpp
   lyrics/ovhlyricsprovider.cpp
   lyrics/lololyricsprovider.cpp
+  lyrics/chartlyricsprovider.cpp
 
   settings/settingsdialog.cpp
   settings/settingspage.cpp
@@ -419,6 +420,7 @@ set(HEADERS
   lyrics/auddlyricsprovider.h
   lyrics/ovhlyricsprovider.h
   lyrics/lololyricsprovider.h
+  lyrics/chartlyricsprovider.h
 
   settings/settingsdialog.h
   settings/settingspage.h

src/core/application.cpp

@@ -61,6 +61,7 @@
 #include "lyrics/auddlyricsprovider.h"
 #include "lyrics/ovhlyricsprovider.h"
 #include "lyrics/lololyricsprovider.h"
+#include "lyrics/chartlyricsprovider.h"
 
 #include "scrobbler/audioscrobbler.h"
 
@@ -139,6 +140,7 @@ class ApplicationImpl {
           lyrics_providers->AddProvider(new AuddLyricsProvider(app));
           lyrics_providers->AddProvider(new OVHLyricsProvider(app));
           lyrics_providers->AddProvider(new LoloLyricsProvider(app));
+          lyrics_providers->AddProvider(new ChartLyricsProvider(app));
           return lyrics_providers;
         }),
         internet_services_([=]() {

src/lyrics/chartlyricsprovider.cpp

@@ -0,0 +1,135 @@
+/*
+ * Strawberry Music Player
+ * Copyright 2018, Jonas Kvinge <jonas@jkvinge.net>
+ *
+ * Strawberry is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Strawberry is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "config.h"
+
+#include <QObject>
+#include <QByteArray>
+#include <QList>
+#include <QPair>
+#include <QVariant>
+#include <QString>
+#include <QUrl>
+#include <QUrlQuery>
+#include <QNetworkAccessManager>
+#include <QNetworkRequest>
+#include <QNetworkReply>
+#include <QXmlStreamReader>
+
+#include "core/closure.h"
+#include "core/logging.h"
+#include "core/network.h"
+#include "core/utilities.h"
+#include "lyricsprovider.h"
+#include "lyricsfetcher.h"
+#include "chartlyricsprovider.h"
+
+const char *ChartLyricsProvider::kUrlSearch = "http://api.chartlyrics.com/apiv1.asmx/SearchLyricDirect";
+const int ChartLyricsProvider::kMaxLength = 6000;
+
+ChartLyricsProvider::ChartLyricsProvider(QObject *parent) : LyricsProvider("ChartLyrics", parent), network_(new NetworkAccessManager(this)) {}
+
+bool ChartLyricsProvider::StartSearch(const QString &artist, const QString &album, const QString &title, const quint64 id) {
+
+  const ParamList params = ParamList() << Param("artist", artist)
+                                       << Param("song", title);
+
+  QUrlQuery url_query;
+  for (const Param &param : params) {
+    url_query.addQueryItem(QUrl::toPercentEncoding(param.first), QUrl::toPercentEncoding(param.second));
+  }
+
+  QUrl url(kUrlSearch);
+  url.setQuery(url_query);
+  QNetworkReply *reply = network_->get(QNetworkRequest(url));
+  NewClosure(reply, SIGNAL(finished()), this, SLOT(HandleSearchReply(QNetworkReply*, const quint64, const QString&, const QString&)), reply, id, artist, title);
+
+  //qLog(Debug) << "ChartLyrics: Sending request for" << url;
+
+  return true;
+
+}
+
+void ChartLyricsProvider::CancelSearch(const quint64 id) {
+}
+
+void ChartLyricsProvider::HandleSearchReply(QNetworkReply *reply, const quint64 id, const QString &artist, const QString &title) {
+
+  reply->deleteLater();
+
+  if (reply->error() != QNetworkReply::NoError) {
+    QString failure_reason = QString("%1 (%2)").arg(reply->errorString()).arg(reply->error());
+    Error(id, failure_reason);
+    return;
+  }
+
+  if (reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt() != 200) {
+    QString failure_reason = QString("Received HTTP code %1").arg(reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt());
+    Error(id, failure_reason);
+    return;
+  }
+
+  QXmlStreamReader reader(reply);
+  LyricsSearchResults results;
+  LyricsSearchResult result;
+
+  while (!reader.atEnd()) {
+    QXmlStreamReader::TokenType type = reader.readNext();
+    QStringRef name = reader.name();
+    if (type == QXmlStreamReader::StartElement) {
+      if (name == "GetLyricResult") {
+        result = LyricsSearchResult();
+      }
+      if (name == "LyricArtist") {
+        result.artist = reader.readElementText();
+      }
+      else if (name == "LyricSong") {
+        result.title = reader.readElementText();
+      }
+      else if (name == "Lyric") {
+        result.lyrics = reader.readElementText();
+      }
+    }
+    else if (type == QXmlStreamReader::EndElement) {
+       if (name == "GetLyricResult") {
+         if (!result.artist.isEmpty() && !result.title.isEmpty() && !result.lyrics.isEmpty()) {
+           result.score = 0.0;
+           if (result.artist.toLower() == artist.toLower()) result.score += 1.0;
+           if (result.title.toLower() == title.toLower()) result.score += 1.0;
+           if (result.artist.toLower() == artist.toLower() || result.title.toLower() == title.toLower()) {
+             results << result;
+           }
+         }
+         result = LyricsSearchResult();
+       }
+    }
+  }
+
+  if (results.isEmpty()) qLog(Debug) << "ChartLyrics: No lyrics for" << artist << title;
+  else qLog(Debug) << "ChartLyrics: Got lyrics for" << artist << title;
+
+  emit SearchFinished(id, results);
+
+}
+
+void ChartLyricsProvider::Error(const quint64 id, const QString &error, QVariant debug) {
+  qLog(Error) << "ChartLyrics:" << error;
+  if (debug.isValid()) qLog(Debug) << debug;
+  emit SearchFinished(id, LyricsSearchResults());
+}

src/lyrics/chartlyricsprovider.h

@@ -0,0 +1,56 @@
+/*
+ * Strawberry Music Player
+ * Copyright 2018, Jonas Kvinge <jonas@jkvinge.net>
+ *
+ * Strawberry is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Strawberry is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef CHARTLYRICSPROVIDER_H
+#define CHARTLYRICSPROVIDER_H
+
+#include "config.h"
+
+#include <stdbool.h>
+
+#include <QObject>
+#include <QVariant>
+#include <QString>
+#include <QNetworkAccessManager>
+#include <QNetworkReply>
+
+#include "lyricsprovider.h"
+#include "lyricsfetcher.h"
+
+class ChartLyricsProvider : public LyricsProvider {
+  Q_OBJECT
+
+ public:
+  explicit ChartLyricsProvider(QObject *parent = nullptr);
+
+  bool StartSearch(const QString &artist, const QString &album, const QString &title, const quint64 id);
+  void CancelSearch(quint64 id);
+
+ private slots:
+  void HandleSearchReply(QNetworkReply *reply, const quint64 id, const QString &artist, const QString &title);
+
+ private:
+  static const char *kUrlSearch;
+  static const int kMaxLength;
+  QNetworkAccessManager *network_;
+  void Error(const quint64 id, const QString &error, QVariant debug = QVariant());
+
+};
+
+#endif  // CHARTLYRICSPROVIDER_H