Add smart playlists, ratings and Qobuz

Fixes #259
Fixes #264

src/smartplaylists/smartplaylistsearchterm.h

@@ -0,0 +1,141 @@
+/*
+ * Strawberry Music Player
+ * This file was part of Clementine.
+ * Copyright 2010, David Sansome <me@davidsansome.com>
+ *
+ * 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 SMARTPLAYLISTSEARCHTERM_H
+#define SMARTPLAYLISTSEARCHTERM_H
+
+#include "config.h"
+
+#include <QList>
+#include <QDataStream>
+#include <QVariant>
+#include <QString>
+
+class SmartPlaylistSearchTerm {
+ public:
+  // These values are persisted, so add to the end of the enum only
+  enum Field {
+    Field_AlbumArtist = 0,
+    Field_Artist,
+    Field_Album,
+    Field_Title,
+    Field_Track,
+    Field_Disc,
+    Field_Year,
+    Field_OriginalYear,
+    Field_Genre,
+    Field_Composer,
+    Field_Performer,
+    Field_Grouping,
+    Field_Comment,
+    Field_Length,
+    Field_Filepath,
+    Field_Filetype,
+    Field_Filesize,
+    Field_DateCreated,
+    Field_DateModified,
+    Field_PlayCount,
+    Field_SkipCount,
+    Field_LastPlayed,
+    Field_Rating,
+    Field_Samplerate,
+    Field_Bitdepth,
+    Field_Bitrate,
+    FieldCount
+  };
+
+  // These values are persisted, so add to the end of the enum only
+  enum Operator {
+    // For text
+    Op_Contains = 0,
+    Op_NotContains = 1,
+    Op_StartsWith = 2,
+    Op_EndsWith = 3,
+
+    // For numbers
+    Op_GreaterThan = 4,
+    Op_LessThan = 5,
+
+    // For everything
+    Op_Equals = 6,
+    Op_NotEquals = 9,
+
+    // For numeric dates (e.g. in the last X days)
+    Op_NumericDate = 7,
+    // For relative dates
+    Op_RelativeDate = 8,
+
+    // For numeric dates (e.g. not in the last X days)
+    Op_NumericDateNot = 10,
+
+    Op_Empty = 11,
+    Op_NotEmpty = 12,
+
+    // Next value = 13
+  };
+
+  enum Type {
+    Type_Text,
+    Type_Date,
+    Type_Time,
+    Type_Number,
+    Type_Rating,
+    Type_Invalid
+  };
+
+  // These values are persisted, so add to the end of the enum only
+  enum DateType {
+    Date_Hour = 0,
+    Date_Day,
+    Date_Week,
+    Date_Month, Date_Year
+  };
+
+  explicit SmartPlaylistSearchTerm();
+  explicit SmartPlaylistSearchTerm(const Field field, const Operator op, const QVariant &value);
+
+  Field field_;
+  Operator operator_;
+  QVariant value_;
+  DateType date_;
+  // For relative dates, we need a second parameter, might be useful somewhere else
+  QVariant second_value_;
+
+  QString ToSql() const;
+  bool is_valid() const;
+  bool operator==(const SmartPlaylistSearchTerm &other) const;
+  bool operator!=(const SmartPlaylistSearchTerm &other) const { return !(*this == other); }
+
+  static Type TypeOf(const Field field);
+  static QList<Operator> OperatorsForType(const Type type);
+  static QString OperatorText(const Type type, const Operator op);
+  static QString FieldName(const Field field);
+  static QString FieldColumnName(const Field field);
+  static QString FieldSortOrderText(const Type type, const bool ascending);
+  static QString DateName(const DateType date, const bool forQuery);
+
+};
+
+typedef QList<SmartPlaylistSearchTerm::Operator> OperatorList;
+
+QDataStream &operator<<(QDataStream &s, const SmartPlaylistSearchTerm &term);
+QDataStream &operator>>(QDataStream &s, SmartPlaylistSearchTerm &term);
+
+#endif  // SMARTPLAYLISTSEARCHTERM_H