1 files changed, 34 insertions, 8 deletions
diff --git a/mediagoblin/submit/views.py b/mediagoblin/submit/views.py
index ba13b755..1ba17954 100644
--- a/mediagoblin/submit/views.py
+++ b/mediagoblin/submit/views.py
@@ -14,19 +14,21 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+import uuid
+
 from os.path import splitext
 from cgi import FieldStorage
-from string import split
 
 from werkzeug.utils import secure_filename
 
+from mediagoblin.db.util import ObjectId
 from mediagoblin.util import (
     render_to_response, redirect, cleaned_markdown_conversion, \
     convert_to_tag_list_of_dicts)
 from mediagoblin.util import pass_to_ugettext as _
 from mediagoblin.decorators import require_active_login
 from mediagoblin.submit import forms as submit_forms, security
-from mediagoblin.process_media import process_media_initial
+from mediagoblin.process_media import process_media, mark_entry_failed
 from mediagoblin.messages import add_message, SUCCESS
 
 
@@ -51,6 +53,7 @@ def submit_start(request):
 
             # create entry and save in database
             entry = request.db.MediaEntry()
+            entry['_id'] = ObjectId()
             entry['title'] = (
                 request.POST['title']
                 or unicode(splitext(filename)[0]))
@@ -66,10 +69,6 @@ def submit_start(request):
             entry['tags'] = convert_to_tag_list_of_dicts(
                                 request.POST.get('tags'))
 
-            # Save, just so we can get the entry id for the sake of using
-            # it to generate the file path
-            entry.save(validate=False)
-
             # Generate a slug from the title
             entry.generate_slug()
 
@@ -88,10 +87,37 @@ def submit_start(request):
 
             # Add queued filename to the entry
             entry['queued_media_file'] = queue_filepath
+
+            # We generate this ourselves so we know what the taks id is for
+            # retrieval later.
+            # (If we got it off the task's auto-generation, there'd be a risk of
+            # a race condition when we'd save after sending off the task)
+            task_id = unicode(uuid.uuid4())
+            entry['queued_task_id'] = task_id
+
+            # Save now so we have this data before kicking off processing
             entry.save(validate=True)
 
-            # queue it for processing
-            process_media_initial.delay(unicode(entry['_id']))
+            # Pass off to processing
+            #
+            # (... don't change entry after this point to avoid race
+            # conditions with changes to the document via processing code)
+            try:
+                process_media.apply_async(
+                    [unicode(entry['_id'])], {},
+                    task_id=task_id)
+            except BaseException as exc:
+                # The purpose of this section is because when running in "lazy"
+                # or always-eager-with-exceptions-propagated celery mode that
+                # the failure handling won't happen on Celery end.  Since we
+                # expect a lot of users to run things in this way we have to
+                # capture stuff here.
+                #
+                # ... not completely the diaper pattern because the exception is
+                # re-raised :)
+                mark_entry_failed(entry[u'_id'], exc)
+                # re-raise the exception
+                raise
 
             add_message(request, SUCCESS, _('Woohoo! Submitted!'))