def _get_payload(self):
self.payload = {}
for field in self._meta.fields:
field_class = field.__class__.__name__
prepare_method = '_prepare_%s' % to_snake_case(field_class)
parse_field_name = to_camel_case(field.column)
# TODO: when a field is null, it should be removed from parse
# ignoring "system" fields
if field.name not in self.SYSTEM_FIELDS and hasattr(self, field.name) and getattr(self, field.name) is not None:
if hasattr(self, prepare_method):
self.payload[parse_field_name] = getattr(self, prepare_method)(field)
else:
self.payload[parse_field_name] = self._prepare_field(field)
def save(self, model, model_name, results):
for item in results:
object_id = item.get('objectId')
updated_at = item.get('updatedAt')
files = []
try:
instance = model.objects.get(object_id=object_id)
print '\tUpdating Django %s.%s, last updated at %s...' % (model_name, object_id, updated_at)
except model.DoesNotExist:
print '\tCreating Django %s.%s, last updated at %s...' % (model_name, object_id, updated_at)
instance = model()
for key, value in item.items():
snake_key = to_snake_case(key)
if type(value) != dict:
setattr(instance, snake_key, value)
elif value['__type'] == 'Date':
conv_value = datetime.strptime(value['iso'], "%Y-%m-%dT%H:%M:%S.000Z")
setattr(instance, snake_key, conv_value)
elif value['__type'] == 'File':
if 'url' in value:
dl_file = urlretrieve(value['url'])
files.append([getattr(instance, snake_key), value['name'], File(open(dl_file[0]))])
elif value['__type'] == 'Pointer':
setattr(instance, '%s_id' % value['className'].lower(), value['objectId'])
else:
print 'Unhandled: %s' % value
# avoiding Parse update, saving only locally
instance.save_to_parse = False
try:
instance.save()
except Exception, e:
print 'Error [%s] ocurred while saving your content' % e
# saving and associating files
for f in files:
f[0].save(f[1], f[2])
self.psc.set_last_updated_item_from_parse(model, updated_at)
self.psc.save()
def test_django_system_fields_are_snake_case(self):
""" parsesync.models :: Django system fields are in snake_case """
self.assertEquals(ParseModel.CREATED_AT_DJANGO_FIELD, to_snake_case(ParseModel.CREATED_AT_DJANGO_FIELD))
self.assertEquals(ParseModel.UPDATED_AT_DJANGO_FIELD, to_snake_case(ParseModel.UPDATED_AT_DJANGO_FIELD))
self.assertEquals(ParseModel.OBJECT_ID_DJANGO_FIELD, to_snake_case(ParseModel.OBJECT_ID_DJANGO_FIELD))
def test_string_is_converted_to_snake_case(self):
""" parsesync :: Strings are properly converted to snake_case """
self.assertEqual(to_snake_case("fooBar"), "foo_bar")
