fix changes api

[wolnelektury.git] / apps / catalogue / tasks.py

diff --git a/apps/catalogue/tasks.py b/apps/catalogue/tasks.py
index e1ff915..6d19ee1 100755 (executable)
--- a/apps/catalogue/tasks.py
+++ b/apps/catalogue/tasks.py
@@ -3,11 +3,12 @@
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
 from datetime import datetime
-from celery.task import task
-import catalogue.models
 from traceback import print_exc
+from celery.task import task
+from django.conf import settings
 
-@task
+
+# TODO: move to model?
 def touch_tag(tag):
     update_dict = {
         'book_count': tag.get_count(),
@@ -19,9 +20,97 @@ def touch_tag(tag):
 
 @task
 def index_book(book_id, book_info=None):
+    from catalogue.models import Book
     try:
-        return catalogue.models.Book.objects.get(id=book_id).search_index(book_info)
+        return Book.objects.get(id=book_id).search_index(book_info)
     except Exception, e:
         print "Exception during index: %s" % e
         print_exc()
         raise e
+
+
+@task(ignore_result=True)
+def build_txt(book_id):
+    """(Re)builds the TXT file for a book."""
+    from django.core.files.base import ContentFile
+    from catalogue.models import Book
+
+    text = Book.objects.get(pk=book_id).wldocument().as_text()
+
+    # Save the file in new instance. Building TXT takes time and we don't want
+    # to overwrite any interim changes.
+    book = Book.objects.get(id=book_id)
+    book.txt_file.save('%s.txt' % book.slug, ContentFile(text.get_string()))
+
+
+@task(ignore_result=True, rate_limit=settings.CATALOGUE_PDF_RATE_LIMIT)
+def build_pdf(book_id):
+    """(Re)builds the pdf file for a book."""
+    from django.core.files import File
+    from catalogue.models import Book
+    from catalogue.utils import remove_zip
+    from waiter.utils import clear_cache
+
+    pdf = Book.objects.get(pk=book_id).wldocument().as_pdf(
+            morefloats=settings.LIBRARIAN_PDF_MOREFLOATS)
+
+    # Save the file in new instance. Building PDF takes time and we don't want
+    # to overwrite any interim changes.
+    book = Book.objects.get(id=book_id)
+    book.pdf_file.save('%s.pdf' % book.slug,
+             File(open(pdf.get_filename())))
+
+    # Remove cached downloadables
+    remove_zip(settings.ALL_PDF_ZIP)
+    clear_cache(book.slug)
+
+
+@task(ignore_result=True, rate_limit=settings.CATALOGUE_EPUB_RATE_LIMIT)
+def build_epub(book_id):
+    """(Re)builds the EPUB file for a book."""
+    from django.core.files import File
+    from catalogue.models import Book
+    from catalogue.utils import remove_zip
+
+    epub = Book.objects.get(pk=book_id).wldocument().as_epub()
+    # Save the file in new instance. Building MOBI takes time and we don't want
+    # to overwrite any interim changes.
+    book = Book.objects.get(id=book_id)
+    book.epub_file.save('%s.epub' % book.slug,
+             File(open(epub.get_filename())))
+
+    # remove zip with all epub files
+    remove_zip(settings.ALL_EPUB_ZIP)
+
+
+@task(ignore_result=True, rate_limit=settings.CATALOGUE_MOBI_RATE_LIMIT)
+def build_mobi(book_id):
+    """(Re)builds the MOBI file for a book."""
+    from django.core.files import File
+    from catalogue.models import Book
+    from catalogue.utils import remove_zip
+
+    mobi = Book.objects.get(pk=book_id).wldocument().as_mobi()
+    # Save the file in new instance. Building MOBI takes time and we don't want
+    # to overwrite any interim changes.
+    book = Book.objects.get(id=book_id)
+    book.mobi_file.save('%s.mobi' % book.slug,
+             File(open(mobi.get_filename())))
+
+    # remove zip with all mobi files
+    remove_zip(settings.ALL_MOBI_ZIP)
+
+
+@task(rate_limit=settings.CATALOGUE_CUSTOMPDF_RATE_LIMIT)
+def build_custom_pdf(book_id, customizations, file_name):
+    """Builds a custom PDF file."""
+    from django.core.files import File
+    from django.core.files.storage import DefaultStorage
+    from catalogue.models import Book
+
+    print "will gen %s" % DefaultStorage().path(file_name)
+    if not DefaultStorage().exists(file_name):
+        pdf = Book.objects.get(pk=book_id).wldocument().as_pdf(
+                customizations=customizations,
+                morefloats=settings.LIBRARIAN_PDF_MOREFLOATS)
+        DefaultStorage().save(file_name, File(open(pdf.get_filename())))