start implementing model for koto artist

desktop/datalake/album.cpp

@@ -82,6 +82,10 @@ std::optional<int> KotoAlbum::getYear() {
   return this->year;
 }
 
+int KotoAlbum::getYearQml() {
+  return this->year.value_or(0);
+}
+
 void KotoAlbum::removeTrack(KotoTrack* track) {
   this->tracks.removeOne(track);
 }

desktop/datalake/artist.cpp

@@ -62,10 +62,18 @@ QString KotoArtist::getName() {
   return QString {this->name};
 }
 
+QString KotoArtist::getPath() {
+  return QString {this->path};
+}
+
 QList<KotoTrack*> KotoArtist::getTracks() {
   return QList {this->tracks};
 }
 
+QUuid KotoArtist::getUuid() {
+  return this->uuid;
+}
+
 void KotoArtist::removeAlbum(KotoAlbum* album) {
   this->albums.removeOne(album);
 }

desktop/datalake/cartographer.cpp

@@ -1,8 +1,11 @@
 #include "cartographer.hpp"
 
-Cartographer::Cartographer()
-    : i_albums(QHash<QUuid, KotoAlbum*>()),
-      i_artists(QHash<QUuid, KotoArtist*>()),
+#include <iostream>
+
+Cartographer::Cartographer(QObject* parent)
+    : QObject(parent),
+      i_albums(QHash<QUuid, KotoAlbum*>()),
+      i_artists_model(new KotoArtistModel(QList<KotoArtist*>())),
       i_artists_by_name(QHash<QString, KotoArtist*>()),
       i_tracks(QHash<QUuid, KotoTrack*>()) {}
 
@@ -16,7 +19,7 @@ void Cartographer::addAlbum(KotoAlbum* album) {
 }
 
 void Cartographer::addArtist(KotoArtist* artist) {
-  this->i_artists.insert(artist->uuid, artist);
+  this->i_artists_model->addArtist(artist);
   this->i_artists_by_name.insert(artist->getName(), artist);
 }
 
@@ -29,17 +32,20 @@ std::optional<KotoAlbum*> Cartographer::getAlbum(QUuid uuid) {
   return album ? std::optional {album} : std::nullopt;
 }
 
-QList<KotoAlbum*> Cartographer::getAlbums() {
-  return this->i_albums.values();
-}
-
 std::optional<KotoArtist*> Cartographer::getArtist(QUuid uuid) {
-  auto artist = this->i_artists.value(uuid, nullptr);
-  return artist ? std::optional {artist} : std::nullopt;
+  for (auto artist : this->i_artists_model->getArtists()) {
+    if (artist->uuid == uuid) { return std::optional {artist}; }
+  }
+  return std::nullopt;
 }
 
 QList<KotoArtist*> Cartographer::getArtists() {
-  return this->i_artists.values();
+  return this->i_artists_model->getArtists();
+}
+
+KotoArtistModel* Cartographer::getArtistsModel() {
+  // if (this->i_artists_model == nullptr) { this->i_artists_model = new KotoArtistModel(this->i_artists); }
+  return this->i_artists_model;
 }
 
 std::optional<KotoArtist*> Cartographer::getArtist(QString name) {

desktop/datalake/cartographer.hpp

@@ -1,21 +1,40 @@
 #pragma once
 
+#include <QtQml/qqmlregistration.h>
+
 #include <QHash>
+#include <QQmlEngine>
+#include <QQmlListProperty>
 #include <QString>
 #include <QUuid>
 #include <optional>
 
 #include "structs.hpp"
 
-class Cartographer {
-  public:
-    Cartographer();
-    static Cartographer& instance();
-    static Cartographer* create() { return &instance(); }
+class Cartographer : public QObject {
+    Q_OBJECT
+    QML_ELEMENT
+    QML_SINGLETON
+    // Q_PROPERTY(QQmlListProperty<KotoAlbum*> albums READ getAlbumsQml)
+    Q_PROPERTY(KotoArtistModel* artists READ getArtistsModel)
+    // Q_PROPERTY(QQmlListProperty<KotoTrack*> tracks READ getTracksQml)
+
+  public:
+    Cartographer(QObject* parent = nullptr);
+    static Cartographer& instance();
+    //    static Cartographer* create(QQmlEngine* engine, QJSEngine*) {
+    //      engine->setObjectOwnership(&instance(), QQmlEngine::CppOwnership);
+    //      return &instance();
+    //    }
+
+    void addAlbum(KotoAlbum* album);
+    void addArtist(KotoArtist* artist);
+    void addTrack(KotoTrack* track);
+
+    // QQmlListProperty<KotoAlbum*> getAlbumsQml();
+    KotoArtistModel* getArtistsModel();
+    // QQmlListProperty<KotoTrack*> getTracksQml();
 
-    void                       addAlbum(KotoAlbum* album);
-    void                       addArtist(KotoArtist* artist);
-    void                       addTrack(KotoTrack* track);
     std::optional<KotoAlbum*>  getAlbum(QUuid uuid);
     QList<KotoAlbum*>          getAlbums();
     std::optional<KotoArtist*> getArtist(QUuid uuid);
@@ -26,7 +45,7 @@ class Cartographer {
 
   private:
     QHash<QUuid, KotoAlbum*>    i_albums;
-    QHash<QUuid, KotoArtist*>   i_artists;
+    KotoArtistModel*            i_artists_model;
     QHash<QString, KotoArtist*> i_artists_by_name;
     QHash<QUuid, KotoTrack*>    i_tracks;
 };

desktop/datalake/models.cpp

@@ -0,0 +1,45 @@
+#include "structs.hpp"
+
+KotoArtistModel::~KotoArtistModel() {
+  this->beginResetModel();
+  this->m_artists.clear();
+  this->endResetModel();
+}
+
+void KotoArtistModel::addArtist(KotoArtist* artist) {
+  this->beginInsertRows(QModelIndex(), this->m_artists.count(), this->m_artists.count());
+  this->m_artists.append(artist);
+  this->endInsertRows();
+}
+
+int KotoArtistModel::rowCount(const QModelIndex& parent) const {
+  return this->m_artists.count();
+}
+
+QVariant KotoArtistModel::data(const QModelIndex& index, int role) const {
+  if (!index.isValid()) { return {}; }
+
+  if (index.row() >= this->m_artists.size()) { return {}; }
+
+  if (role == KotoArtistRoles::NameRole) {
+    return this->m_artists.at(index.row())->getName();
+  } else if (role == KotoArtistRoles::PathRole) {
+    return this->m_artists.at(index.row())->getPath();
+  } else if (role == KotoArtistRoles::UuidRole) {
+    return this->m_artists.at(index.row())->uuid;
+  } else {
+    return {};
+  }
+}
+
+QList<KotoArtist*> KotoArtistModel::getArtists() {
+  return this->m_artists;
+}
+
+QHash<int, QByteArray> KotoArtistModel::roleNames() const {
+  QHash<int, QByteArray> roles;
+  roles[NameRole] = QByteArrayLiteral("name");
+  roles[PathRole] = QByteArrayLiteral("path");
+  roles[UuidRole] = QByteArrayLiteral("uuid");
+  return roles;
+}

desktop/datalake/structs.hpp

@@ -1,5 +1,8 @@
 #pragma once
+#include <QtQml/qqmlregistration.h>
+
 #include <KFileMetaData/SimpleExtractionResult>
+#include <QAbstractListModel>
 #include <QFileInfo>
 #include <QList>
 #include <QSqlQuery>
@@ -8,14 +11,25 @@
 #include <QUuid>
 
 class KotoArtist;
+class KotoArtistModel;
 class KotoAlbum;
+class KotoAlbumModel;
 class KotoTrack;
+class KotoTrackModel;
+
+class KotoArtist : public QObject {
+    Q_OBJECT
+    QML_ELEMENT
+    Q_PROPERTY(QString name READ getName WRITE setName NOTIFY nameChanged)
+    Q_PROPERTY(QString path READ getPath WRITE setPath NOTIFY pathChanged)
+    Q_PROPERTY(QList<KotoAlbum*> albums READ getAlbums NOTIFY albumsChanged)
+    Q_PROPERTY(QList<KotoTrack*> tracks READ getTracks NOTIFY tracksChanged)
+    Q_PROPERTY(QUuid uuid READ getUuid)
 
-class KotoArtist {
   public:
     KotoArtist();
     static KotoArtist* fromDb(const QSqlQuery& query, const QSqlRecord& record);
-    ~KotoArtist();
+    virtual ~KotoArtist();
 
     QUuid uuid;
 
@@ -27,11 +41,18 @@ class KotoArtist {
     QString                   getName();
     QString                   getPath();
     QList<KotoTrack*>         getTracks();
+    QUuid                     getUuid();
     void                      removeAlbum(KotoAlbum* album);
     void                      removeTrack(KotoTrack* track);
     void                      setName(QString str);
     void                      setPath(QString str);
 
+  signals:
+    void albumsChanged();
+    void nameChanged();
+    void pathChanged();
+    void tracksChanged();
+
   private:
     QString path;
     QString name;
@@ -40,11 +61,46 @@ class KotoArtist {
     QList<KotoTrack*> tracks;
 };
 
-class KotoAlbum {
+class KotoArtistModel : public QAbstractListModel {
+    Q_OBJECT
+
+  public:
+    explicit KotoArtistModel(const QList<KotoArtist*>& artists, QObject* parent = nullptr) : QAbstractListModel(parent), m_artists(artists) {}
+
+    void                   addArtist(KotoArtist* artist);
+    int                    rowCount(const QModelIndex& parent = QModelIndex()) const override;
+    QVariant               data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
+    QHash<int, QByteArray> roleNames() const override;
+    virtual ~KotoArtistModel();
+
+    QList<KotoArtist*> getArtists();
+
+    enum KotoArtistRoles {
+      NameRole = Qt::UserRole + 1,
+      PathRole,
+      UuidRole,
+    };
+
+  private:
+    QList<KotoArtist*> m_artists;
+};
+
+class KotoAlbum : public QObject {
+    Q_OBJECT
+    QML_ELEMENT
+    Q_PROPERTY(QString albumArtPath READ getAlbumArtPath WRITE setAlbumArtPath NOTIFY albumArtChanged)
+    Q_PROPERTY(QString description READ getDescription WRITE setDescription NOTIFY descriptionChanged)
+    Q_PROPERTY(QList<QString> genres READ getGenres WRITE setGenres NOTIFY genresChanged)
+    Q_PROPERTY(QString narrator READ getNarrator WRITE setNarrator NOTIFY narratorChanged)
+    Q_PROPERTY(QString path READ getPath WRITE setPath NOTIFY pathChanged)
+    Q_PROPERTY(QString title READ getTitle WRITE setTitle NOTIFY titleChanged)
+    Q_PROPERTY(QList<KotoTrack*> tracks READ getTracks NOTIFY tracksChanged)
+    Q_PROPERTY(int year READ getYearQml WRITE setYear NOTIFY yearChanged)
+
   public:
     KotoAlbum();
     static KotoAlbum* fromDb(const QSqlQuery& query, const QSqlRecord& record);
-    ~KotoAlbum();
+    virtual ~KotoAlbum();
 
     QUuid uuid;
     QUuid artist_uuid;
@@ -58,6 +114,7 @@ class KotoAlbum {
     QString            getTitle();
     QList<KotoTrack*>  getTracks();
     std::optional<int> getYear();
+    int                getYearQml();
 
     void addTrack(KotoTrack* track);
     void removeTrack(KotoTrack* track);
@@ -69,6 +126,16 @@ class KotoAlbum {
     void setTitle(QString str);
     void setYear(int num);
 
+  signals:
+    void albumArtChanged();
+    void descriptionChanged();
+    void genresChanged();
+    void narratorChanged();
+    void pathChanged();
+    void titleChanged();
+    void tracksChanged();
+    void yearChanged();
+
   private:
     QString            title;
     QString            description;
@@ -82,18 +149,36 @@ class KotoAlbum {
     QString album_art_path;
 };
 
-class KotoTrack {
+class KotoTrack : public QObject {
+    Q_OBJECT
+    QML_ELEMENT
+    Q_PROPERTY(QString album_uuid READ getAlbumUuid NOTIFY albumChanged)
+    Q_PROPERTY(QUuid artist_uuid READ getArtistUuid NOTIFY artistChanged)
+    Q_PROPERTY(QUuid uuid READ getUuid)
+    Q_PROPERTY(int discNumber READ getDiscNumber WRITE setDiscNumber NOTIFY discNumberChanged)
+    Q_PROPERTY(int duration READ getDuration WRITE setDuration NOTIFY durationChanged)
+    Q_PROPERTY(QStringList genres READ getGenres WRITE setGenres NOTIFY genresChanged)
+    Q_PROPERTY(QString lyrics READ getLyrics WRITE setLyrics NOTIFY lyricsChanged)
+    Q_PROPERTY(QString narrator READ getNarrator WRITE setNarrator NOTIFY narratorChanged)
+    Q_PROPERTY(QString path READ getPath WRITE setPath NOTIFY pathChanged)
+    Q_PROPERTY(QString title READ getTitle WRITE setTitle NOTIFY titleChanged)
+    Q_PROPERTY(int trackNumber READ getTrackNumber WRITE setTrackNumber NOTIFY trackNumberChanged)
+    Q_PROPERTY(int year READ getYear WRITE setYear NOTIFY yearChanged)
+
   public:
     KotoTrack();  // No-op constructor
     static KotoTrack* fromDb(const QSqlQuery& query, const QSqlRecord& record);
     static KotoTrack* fromMetadata(const KFileMetaData::SimpleExtractionResult& metadata, const QFileInfo& info);
-    ~KotoTrack();
+    virtual ~KotoTrack();
 
     std::optional<QUuid> album_uuid;
     QUuid                artist_uuid;
     QUuid                uuid;
 
     void        commit();
+    QString     getAlbumUuid();
+    QUuid       getArtistUuid();
+    int         getDiscNumber();
     int         getDuration();
     QStringList getGenres();
     QString     getLyrics();
@@ -101,6 +186,7 @@ class KotoTrack {
     QString     getPath();
     QString     getTitle();
     int         getTrackNumber();
+    QUuid       getUuid();
     int         getYear();
 
     void setAlbum(KotoAlbum* album);
@@ -115,6 +201,19 @@ class KotoTrack {
     void setTrackNumber(int num);
     void setYear(int num);
 
+  signals:
+    void albumChanged();
+    void artistChanged();
+    void discNumberChanged();
+    void durationChanged();
+    void genresChanged();
+    void lyricsChanged();
+    void narratorChanged();
+    void pathChanged();
+    void titleChanged();
+    void trackNumberChanged();
+    void yearChanged();
+
   private:
     int         disc_number;
     int         duration;

desktop/datalake/track.cpp

@@ -102,6 +102,19 @@ void KotoTrack::commit() {
   query.exec();
 }
 
+QString KotoTrack::getAlbumUuid() {
+  if (!this->album_uuid.has_value()) return this->album_uuid.value().toString();
+  return {};
+}
+
+QUuid KotoTrack::getArtistUuid() {
+  return this->artist_uuid;
+}
+
+int KotoTrack::getDiscNumber() {
+  return this->disc_number;
+}
+
 int KotoTrack::getDuration() {
   return this->duration;
 }
@@ -130,6 +143,10 @@ int KotoTrack::getTrackNumber() {
   return this->track_number;
 }
 
+QUuid KotoTrack::getUuid() {
+  return this->uuid;
+}
+
 int KotoTrack::getYear() {
   return this->year;
 }