Factor out the actual calling of the processing.
[mediagoblin.git] / mediagoblin / submit / views.py
index 4e4c7c43f824c6d96784ed6516c20817b52ad6b4..ad9fedae1263db70b2e27444f649fcc57123d951 100644 (file)
@@ -1,5 +1,5 @@
 # GNU MediaGoblin -- federated, autonomous media hosting
-# Copyright (C) 2011 MediaGoblin contributors.  See AUTHORS.
+# Copyright (C) 2011, 2012 MediaGoblin contributors.  See AUTHORS.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
 # 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/>.
 
+from mediagoblin import messages
 import mediagoblin.mg_globals as mg_globals
 import uuid
 from os.path import splitext
-from cgi import FieldStorage
 
-from celery import registry
+import logging
+
+_log = logging.getLogger(__name__)
 
 from werkzeug.utils import secure_filename
+from werkzeug.datastructures import FileStorage
 
-from mediagoblin.db.util import ObjectId
-from mediagoblin.tools.text import cleaned_markdown_conversion, convert_to_tag_list_of_dicts
+from mediagoblin.tools.text import convert_to_tag_list_of_dicts
 from mediagoblin.tools.translate import pass_to_ugettext as _
 from mediagoblin.tools.response import render_to_response, redirect
 from mediagoblin.decorators import require_active_login
-from mediagoblin.submit import forms as submit_forms, security
-from mediagoblin.processing import mark_entry_failed, ProcessMedia
+from mediagoblin.submit import forms as submit_forms
 from mediagoblin.messages import add_message, SUCCESS
-from mediagoblin.media_types import get_media_type_and_manager, InvalidFileType
+from mediagoblin.media_types import sniff_media, \
+    InvalidFileType, FileTypeNotSupported
+from mediagoblin.submit.lib import handle_push_urls, run_process_media
 
 
 @require_active_login
@@ -39,45 +42,55 @@ def submit_start(request):
     """
     First view for submitting a file.
     """
-    submit_form = submit_forms.SubmitStartForm(request.POST)
+    submit_form = submit_forms.SubmitStartForm(request.form)
 
     if request.method == 'POST' and submit_form.validate():
-        if not ('file' in request.POST
-                and isinstance(request.POST['file'], FieldStorage)
-                and request.POST['file'].file):
+        if not ('file' in request.files
+                and isinstance(request.files['file'], FileStorage)
+                and request.files['file'].stream):
             submit_form.file.errors.append(
                 _(u'You must provide a file.'))
         else:
             try:
-                filename = request.POST['file'].filename
-                media_type, media_manager = get_media_type_and_manager(filename)
+                filename = request.files['file'].filename
+
+                # Sniff the submitted media to determine which
+                # media plugin should handle processing
+                media_type, media_manager = sniff_media(
+                    request.files['file'])
 
                 # create entry and save in database
                 entry = request.db.MediaEntry()
-                entry['_id'] = ObjectId()
                 entry.media_type = unicode(media_type)
                 entry.title = (
-                    unicode(request.POST['title'])
+                    unicode(request.form['title'])
                     or unicode(splitext(filename)[0]))
 
-                entry.description = unicode(request.POST.get('description'))
-                entry.description_html = cleaned_markdown_conversion(
-                    entry.description)
+                entry.description = unicode(request.form.get('description'))
+
+                entry.license = unicode(request.form.get('license', "")) or None
 
-                entry.uploader = request.user._id
+                entry.uploader = request.user.id
 
                 # Process the user's folksonomy "tags"
-                entry['tags'] = convert_to_tag_list_of_dicts(
-                    request.POST.get('tags'))
+                entry.tags = convert_to_tag_list_of_dicts(
+                    request.form.get('tags'))
 
                 # Generate a slug from the title
                 entry.generate_slug()
 
+                # 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())
 
                 # Now store generate the queueing related filename
                 queue_filepath = request.app.queue_store.get_unique_filepath(
                     ['media_entries',
-                     unicode(entry._id),
+                     task_id,
                      secure_filename(filename)])
 
                 # queue appropriately
@@ -85,55 +98,83 @@ def submit_start(request):
                     queue_filepath, 'wb')
 
                 with queue_file:
-                    queue_file.write(request.POST['file'].file.read())
+                    queue_file.write(request.files['file'].stream.read())
 
                 # Add queued filename to the entry
-                entry['queued_media_file'] = queue_filepath
+                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
+                entry.queued_task_id = task_id
 
                 # Save now so we have this data before kicking off processing
-                entry.save(validate=True)
+                entry.save()
 
                 # Pass off to processing
                 #
                 # (... don't change entry after this point to avoid race
                 # conditions with changes to the document via processing code)
-                process_media = registry.tasks[ProcessMedia.name]
-                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._id, exc)
-                    # re-raise the exception
-                    raise
+                run_process_media(entry)
+
+                handle_push_urls(request)
 
                 add_message(request, SUCCESS, _('Woohoo! Submitted!'))
 
                 return redirect(request, "mediagoblin.user_pages.user_home",
                                 user=request.user.username)
-            except InvalidFileType, exc:
-                submit_form.file.errors.append(
-                    _(u'Invalid file type.'))
+            except Exception as e:
+                '''
+                This section is intended to catch exceptions raised in
+                mediagoblin.media_types
+                '''
+                if isinstance(e, InvalidFileType) or \
+                        isinstance(e, FileTypeNotSupported):
+                    submit_form.file.errors.append(
+                        e)
+                else:
+                    raise
 
     return render_to_response(
         request,
         'mediagoblin/submit/start.html',
         {'submit_form': submit_form,
          'app_config': mg_globals.app_config})
+
+@require_active_login
+def add_collection(request, media=None):
+    """
+    View to create a new collection
+    """
+    submit_form = submit_forms.AddCollectionForm(request.form)
+
+    if request.method == 'POST' and submit_form.validate():
+        try:
+            collection = request.db.Collection()
+
+            collection.title = unicode(request.form['title'])
+            collection.description = unicode(request.form.get('description'))
+            collection.creator = request.user.id
+            collection.generate_slug()
+
+            # Make sure this user isn't duplicating an existing collection
+            existing_collection = request.db.Collection.find_one({
+                    'creator': request.user.id,
+                    'title':collection.title})
+
+            if existing_collection:
+                messages.add_message(
+                    request, messages.ERROR, _('You already have a collection called "%s"!' % collection.title))
+            else:
+                collection.save()
+
+                add_message(request, SUCCESS, _('Collection "%s" added!' % collection.title))
+
+            return redirect(request, "mediagoblin.user_pages.user_home",
+                            user=request.user.username)
+
+        except Exception as e:
+            raise
+
+    return render_to_response(
+        request,
+        'mediagoblin/submit/collection.html',
+        {'submit_form': submit_form,
+         'app_config': mg_globals.app_config})