def update_cache(self, paths):
"""
Update the cached version of the given files.
"""
if OfflineCacheModel.select().count() > 0:
OfflineCacheModel.update(copied=False).where(
OfflineCacheModel.track.file in paths).execute()
self._fill_queue_from_db()
def _process_queue(self):
log.info("Startet processing queue")
self.filecopy_cancel = Gio.Cancellable()
self._fill_queue_from_db()
self.total_batch_count = len(self.queue)
self.current_batch_count = 0
if len(self.queue) > 0:
self.current_book_processing = self.queue[0].track.book.id
while len(self.queue) > 0:
log.info("Processing item")
self.current_batch_count += 1
item = self.queue[0]
if self.thread.stopped():
break
new_item = OfflineCacheModel.get(OfflineCacheModel.id == item.id)
if self.current_book_processing != new_item.track.book.id:
self.update_book_download_status(
Book.get(Book.id == self.current_book_processing))
self.current_book_processing = new_item.track.book.id
if not new_item.copied and os.path.exists(new_item.track.file):
log.info("Copying item")
Gdk.threads_add_idle(
GLib.PRIORITY_DEFAULT_IDLE, self.ui.switch_to_working,
_("Copying") + " " +
tools.shorten_string(new_item.track.book.name, 30), False,
False)
self.current = new_item
destination = Gio.File.new_for_path(
os.path.join(self.cache_dir, new_item.file))
source = Gio.File.new_for_path(new_item.track.file)
flags = Gio.FileCopyFlags.OVERWRITE
try:
copied = source.copy(destination, flags,
self.filecopy_cancel,
self.__update_copy_status, None)
except Exception as e:
if e.code == Gio.IOErrorEnum.CANCELLED:
log.info("Download of book was cancelled.")
self.thread.stop()
break
log.error("Could not copy file to offline cache: " +
new_item.track.file)
log.error(e)
self.queue.remove(item)
continue
if copied:
OfflineCacheModel.update(copied=True).where(
OfflineCacheModel.id == new_item.id).execute()
self.queue.remove(item)
if self.current_book_processing:
self.update_book_download_status(
Book.get(Book.id == self.current_book_processing))
self.current = None
Gdk.threads_add_idle(GLib.PRIORITY_DEFAULT_IDLE,
self.ui.switch_to_playing)