+ @staticmethod
+ def zip_epub():
+ books = Book.objects.all()
+
+ paths = filter(lambda x: x is not None,
+ map(lambda b: b.epub_file and b.epub_file.path or None, books))
+ if settings.USE_CELERY:
+ result = create_zip_task.delay(paths, settings.ALL_EPUB_ZIP)
+ return result.wait()
+ else:
+ result = create_zip_task(paths, settings.ALL_EPUB_ZIP)
+ return result
+
+ @staticmethod
+ def zip_pdf():
+ books = Book.objects.all()
+
+ paths = filter(lambda x: x is not None,
+ map(lambda b: b.pdf_file and b.pdf_file.path or None, books))
+ if settings.USE_CELERY:
+ result = create_zip_task.delay(paths, settings.ALL_PDF_ZIP)
+ return result.wait()
+ else:
+ result = create_zip_task(paths, settings.ALL_PDF_ZIP)
+ return result
+
+ def zip_audiobooks(self):
+ bm = BookMedia.objects.filter(book=self)
+ paths = map(lambda bm: bm.file.path, bm)
+ if settings.USE_CELERY:
+ result = create_zip_task.delay(paths, self.slug)
+ return result.wait()
+ else:
+ result = create_zip_task(paths, self.slug)
+ return result
+