transaction.atomic in importbooks

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

diff --git a/apps/catalogue/tasks.py b/apps/catalogue/tasks.py
old mode 100755 (executable)
new mode 100644 (file)
index e1ff915..a2b8be0
--- a/apps/catalogue/tasks.py
+++ b/apps/catalogue/tasks.py
@@ -3,25 +3,57 @@
 # 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 celery.utils.log import get_task_logger
+from django.conf import settings
+from wolnelektury.utils import localtime_to_utc
+from waiter.models import WaitedFile
 
-@task
+task_logger = get_task_logger(__name__)
+
+
+# TODO: move to model?
 def touch_tag(tag):
     update_dict = {
-        'book_count': tag.get_count(),
-        'changed_at': datetime.now(),
+        'changed_at': localtime_to_utc(datetime.now()),
     }
 
     type(tag).objects.filter(pk=tag.pk).update(**update_dict)
 
 
 @task
-def index_book(book_id, book_info=None):
+def index_book(book_id, book_info=None, **kwargs):
+    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, **kwargs)
     except Exception, e:
         print "Exception during index: %s" % e
         print_exc()
         raise e
+
+
+@task(ignore_result=True, rate_limit=settings.CATALOGUE_CUSTOMPDF_RATE_LIMIT)
+def build_custom_pdf(book_id, customizations, file_name, waiter_id=None):
+    """Builds a custom PDF file."""
+    try:
+        from django.core.files import File
+        from django.core.files.storage import DefaultStorage
+        from catalogue.models import Book
+
+        task_logger.info(DefaultStorage().path(file_name))
+        if not DefaultStorage().exists(file_name):
+            kwargs = {
+                'cover': True,
+            }
+            if 'no-cover' in customizations:
+                kwargs['cover'] = False
+                customizations.remove('no-cover')
+            pdf = Book.objects.get(pk=book_id).wldocument().as_pdf(
+                    customizations=customizations,
+                    morefloats=settings.LIBRARIAN_PDF_MOREFLOATS,
+                    **kwargs)
+            DefaultStorage().save(file_name, File(open(pdf.get_filename())))
+    finally:
+        if waiter_id is not None:
+            WaitedFile.objects.filter(pk=waiter_id).delete()