Refactor Tidal, Spotify, Qobuz, Subsonic and cover providers

Use common HTTP, Json and OAuthenticator class

src/utilities/musixmatchprovider.cpp

@@ -0,0 +1,46 @@
+/*
+ * Strawberry Music Player
+ * Copyright 2020-2022, 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 <QString>
+#include <QRegularExpression>
+
+#include "musixmatchprovider.h"
+
+using namespace Qt::Literals::StringLiterals;
+
+namespace MusixmatchProvider {
+
+QString StringFixup(QString text) {
+
+  static const QRegularExpression regex_illegal_characters(u"[^\\w0-9\\- ]"_s, QRegularExpression::UseUnicodePropertiesOption);
+  static const QRegularExpression regex_duplicate_whitespaces(u" {2,}"_s);
+  static const QRegularExpression regex_duplicate_dashes(u"(-)\\1+"_s);
+
+  return text.replace(u'/', u'-')
+             .replace(u'\'', u'-')
+             .remove(regex_illegal_characters)
+             .replace(regex_duplicate_whitespaces, u" "_s)
+             .simplified()
+             .replace(u' ', u'-')
+             .replace(regex_duplicate_dashes, u"-"_s)
+             .toLower();
+
+}
+
+}  // namespace

src/utilities/musixmatchprovider.h

@@ -0,0 +1,31 @@
+/*
+ * Strawberry Music Player
+ * Copyright 2020-2022, 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 MUSIXMATCHPROVIDER_H
+#define MUSIXMATCHPROVIDER_H
+
+#include <QString>
+
+namespace MusixmatchProvider {
+
+QString StringFixup(QString text);
+
+}  // namespace
+
+#endif  // MUSIXMATCHPROVIDER_H