Add almost-working support for writing to ipods

src/core/musicstorage.h

@@ -30,9 +30,11 @@ public:
 
   virtual QString LocalPath() const { return QString(); }
 
+  virtual void StartCopy() {}
   virtual bool CopyToStorage(const QString& source, const QString& destination,
                              const Song& metadata, bool overwrite,
                              bool remove_original) = 0;
+  virtual void FinishCopy() {}
 };
 
 Q_DECLARE_METATYPE(MusicStorage*);

src/core/organise.cpp

@@ -35,6 +35,7 @@ Organise::Organise(TaskManager* task_manager, MusicStorage* destination,
                        copy_(copy),
                        overwrite_(overwrite),
                        files_(files),
+                       started_(false),
                        task_id_(0),
                        progress_(0)
 {
@@ -56,8 +57,15 @@ void Organise::Start() {
 }
 
 void Organise::ProcessSomeFiles() {
+  if (!started_) {
+    destination_->StartCopy();
+    started_ = true;
+  }
+
   // None left?
   if (progress_ >= files_.count()) {
+    destination_->FinishCopy();
+
     task_manager_->SetTaskFinished(task_id_);
 
     // Move back to the original thread so deleteLater() can get called in

src/core/organise.h

@@ -50,6 +50,8 @@ private:
   const bool overwrite_;
   QStringList files_;
 
+  bool started_;
+
   int task_id_;
   int progress_;
 };

src/core/song.cpp

@@ -562,6 +562,38 @@ void Song::InitFromLastFM(const lastfm::Track& track) {
     d->filename_ = QString::fromLocal8Bit(track->ipod_path);
     d->basefilename_ = QFileInfo(d->filename_).fileName();
   }
+
+  static void CopyStr(const QString& str, gchar** dest_p) {
+    Q_ASSERT(*dest_p == NULL);
+    const QByteArray data = str.toUtf8();
+    const int size = data.size() + 1;
+
+    gchar* dest = new gchar[size];
+    std::copy(data.constData(), data.constData() + size, dest);
+    *dest_p = dest;
+  }
+
+  void Song::ToItdb(Itdb_Track *track) const {
+    CopyStr(d->title_, &track->title);
+    CopyStr(d->album_, &track->album);
+    CopyStr(d->artist_, &track->artist);
+    CopyStr(d->albumartist_, &track->albumartist);
+    CopyStr(d->composer_, &track->composer);
+    track->track_nr = d->track_;
+    track->cd_nr = d->disc_;
+    track->BPM = d->bpm_;
+    track->year = d->year_;
+    CopyStr(d->genre_, &track->genre);
+    CopyStr(d->comment_, &track->comment);
+    track->compilation = d->compilation_;
+    track->tracklen = d->length_ * 1000;
+    track->bitrate = d->bitrate_;
+    track->samplerate = d->samplerate_;
+    track->time_modified = d->mtime_;
+    track->time_added = d->ctime_;
+    track->size = d->filesize_;
+    track->type2 = d->filetype_ == Type_Mp4 ? 0 : 1;
+  }
 #endif
 
 void Song::MergeFromSimpleMetaBundle(const Engine::SimpleMetaBundle &bundle) {

src/core/song.h

@@ -128,6 +128,7 @@ class Song {
 
 #ifdef HAVE_LIBGPOD
   void InitFromItdb(Itdb_Track* track);
+  void ToItdb(Itdb_Track* track) const;
 #endif
 
   static QString Decode(const TagLib::String& tag, const QTextCodec* codec);

src/devices/connecteddevice.cpp

@@ -23,10 +23,11 @@
 
 #include <QtDebug>
 
-ConnectedDevice::ConnectedDevice(const QUrl&, DeviceLister* lister,
+ConnectedDevice::ConnectedDevice(const QUrl& url, DeviceLister* lister,
                                  const QString& unique_id, DeviceManager* manager,
                                  int database_id, bool)
   : QObject(manager),
+    url_(url),
     lister_(lister),
     unique_id_(unique_id),
     database_id_(database_id),

src/devices/connecteddevice.h

@@ -51,6 +51,7 @@ protected:
   void InitBackendDirectory(const QString& mount_point, bool first_time);
 
 protected:
+  QUrl url_;
   DeviceLister* lister_;
   QString unique_id_;
   int database_id_;

src/devices/gpoddevice.cpp

@@ -29,7 +29,8 @@ GPodDevice::GPodDevice(
     int database_id, bool first_time)
       : ConnectedDevice(url, lister, unique_id, manager, database_id, first_time),
         loader_thread_(new QThread(this)),
-        loader_(new GPodLoader(url.path(), manager->task_manager(), backend_))
+        loader_(new GPodLoader(url.path(), manager->task_manager(), backend_)),
+        active_copy_db_(NULL)
 {
   InitBackendDirectory(url.path(), first_time);
   model_->Init();
@@ -44,13 +45,65 @@ GPodDevice::GPodDevice(
 }
 
 GPodDevice::~GPodDevice() {
+}
 
+void GPodDevice::StartCopy() {
+  active_copy_mutex_.lock();
+
+  // Load the iTunes database
+  GError* error = NULL;
+  active_copy_db_ = itdb_parse(url_.path().toLocal8Bit(), &error);
+
+  // Check for errors
+  if (!active_copy_db_) {
+    qDebug() << "GPodDevice error:" << error->message;
+    emit Error(QString::fromUtf8(error->message));
+    g_error_free(error);
+  }
 }
 
 bool GPodDevice::CopyToStorage(
-    const QString &source, const QString &destination,
-    const Song &metadata, bool overwrite, bool remove_original)
+    const QString& source, const QString&,
+    const Song& metadata, bool, bool remove_original)
 {
+  if (!active_copy_db_)
+    return false;
+
+  // Create the track
+  Itdb_Track* track = itdb_track_new();
+  metadata.ToItdb(track);
+
+  // Add it to the DB and the master playlist
+  // The DB takes ownership of the track
+  itdb_track_add(active_copy_db_, track, -1);
+  Itdb_Playlist* mpl = itdb_playlist_mpl(active_copy_db_);
+  itdb_playlist_add_track(mpl, track, -1);
+
+  // Copy the file
+  GError* error = NULL;
+  itdb_cp_track_to_ipod(track, source.toLocal8Bit().constData(), &error);
+  if (error) {
+    qDebug() << "GPodDevice error:" << error->message;
+    emit Error(QString::fromUtf8(error->message));
+    g_error_free(error);
+
+    // Need to remove the track from the db again
+    itdb_track_remove(track);
+    return false;
+  }
+
   return true;
 }
 
+void GPodDevice::FinishCopy() {
+  GError* error = NULL;
+  itdb_write(active_copy_db_, &error);
+  if (error) {
+    qDebug() << "GPodDevice error:" << error->message;
+    emit Error(QString::fromUtf8(error->message));
+    g_error_free(error);
+  }
+
+  active_copy_mutex_.unlock();
+}
+

src/devices/gpoddevice.h

@@ -20,6 +20,8 @@
 #include "connecteddevice.h"
 #include "core/musicstorage.h"
 
+#include <QMutex>
+
 class GPodLoader;
 
 class GPodDevice : public ConnectedDevice, public MusicStorage {
@@ -36,12 +38,17 @@ public:
 
   MusicStorage* storage() { return this; }
 
+  void StartCopy();
   bool CopyToStorage(const QString &source, const QString &destination,
                      const Song &metadata, bool overwrite, bool remove_original);
+  void FinishCopy();
 
 private:
   QThread* loader_thread_;
   GPodLoader* loader_;
+
+  QMutex active_copy_mutex_;
+  Itdb_iTunesDB* active_copy_db_;
 };
 
 #endif // GPODDEVICE_H