def upload(request, app_model, id, field=None, form=FileForm, filename_prefix=None):
"""
Main Multiuploader module.
Parses data from jQuery plugin and makes database changes.
"""
att = False
if request.method == 'POST':
if "application/json" in request.META['HTTP_ACCEPT_ENCODING']:
mimetype = 'application/json'
else:
mimetype = 'text/plain'
log.info('received POST to main multiuploader view')
if request.FILES == None:
return HttpResponseBadRequest('Must have files attached!')
#getting file data for farther manipulations
file = request.FILES[u'files[]']
wrapped_file = UploadedFile(file)
filename = wrapped_file.name
file_size = wrapped_file.file.size
log.info ('Got file: "%s"' % str(filename))
log.info('Content type: "$s" % file.content_type')
""" Use a form to validate the upload """
instance = form({ 'filename': filename, 'id': id })
if not instance.is_valid():
return HttpResponse(simplejson.dumps([{
'error': instance.errors['__all__'],
'name': filename,
'size': file_size,
}]), mimetype=mimetype)
in_app, in_model = app_model.split('.')
model = get_model(in_app, in_model)
if field:
field_info = model._meta.get_field_by_name(field)
else:
field_info = [False]
obj = get_object_or_404(model, pk=id)
if not isinstance(field_info[0], FileField) or not isinstance(field_info[0], ImageField):
""" if the field we are uploading to is not a FileField or
ImageField it is a generic attachment """
if Attachment:
""" attach the file """
att = Attachment()
att.content_object = obj
att.client = obj.client
att.file.save(filename, file, save=False)
att.added_by = request.user
att.save()
if field:
""" if we pass in an optional field name then the sending
object tracks the attachement too. So we set the attachment
ID in the foreign object """
setattr(obj, field, att)
else:
raise "Cannot attach file"
else:
""" this does not use the Attachment model and instead tracks the
upload independantly. Just upload the file and save it to the
foreign model """
if not field:
raise "Field is mandatory when not a generic attachement"
setattr(obj, field, file)
obj.save()
log.info('File saving done')
upload_done.send(sender=create_string_wrapper('uploadit'),
app=app_model.split('.')[0],
model=app_model.split('.')[1],
field=field, instance=obj,
filename=filename, attachment_object=att)
#generating json response array
result = []
result.append({"name":filename,
"size":file_size,
"delete_type":"POST",})
response_data = simplejson.dumps(result)
return HttpResponse(response_data, mimetype=mimetype)
else: #GET
return HttpResponseBadRequest()
