def create(self, validated_data):
"""
Creates the Message in the Action model
"""
request = self.context['request']
target_type = validated_data.get("target_content_type")
target_id = validated_data.get("target_object_id")
verb = validated_data.get("verb", MESSAGE)
try:
content_type = get_target(target_type)
except TargetDoesNotExist:
raise serializers.ValidationError({
'target_type': _('Unknown target type')
}) # yapf: disable
else:
try:
target_object = \
content_type.get_object_for_this_type(pk=target_id)
except content_type.model_class().DoesNotExist:
raise serializers.ValidationError({
'target_id': _('target_id not found')
}) # yapf: disable
else:
# check if request.user has permission to the target_object
permission = '{}.change_{}'.format(
target_object._meta.app_label,
target_object._meta.model_name)
if not request.user.has_perm(permission, target_object) \
and verb == MESSAGE:
message = (_("You do not have permission to add messages "
"to target_id %s.") % target_object)
raise exceptions.PermissionDenied(detail=message)
results = action.send(
request.user,
verb=verb,
target=target_object,
description=validated_data.get("description"))
# results will be a list of tuples with the first item in the
# tuple being the signal handler function and the second
# being the object. We want to get the object of the first
# element in the list whose function is `action_handler`
try:
instance = [
instance for (receiver, instance) in results
if receiver == action_handler
].pop()
except IndexError:
# if you get here it means we have no instances
raise serializers.ValidationError(
"Message not created. Please retry.")
else:
return instance
def create(self, validated_data):
"""
Creates the Message in the Action model
"""
request = self.context['request']
target_type = validated_data.get("target_content_type")
target_id = validated_data.get("target_object_id")
try:
content_type = get_target(target_type)
except TargetDoesNotExist:
raise serializers.ValidationError({
'target_type': _('Unknown target type')
}) # yapf: disable
else:
try:
target_object = \
content_type.get_object_for_this_type(pk=target_id)
except content_type.model_class().DoesNotExist:
raise serializers.ValidationError({
'target_id': _('target_id not found')
}) # yapf: disable
else:
# check if request.user has permission to the target_object
permission = '{}.change_{}'.format(
target_object._meta.app_label,
target_object._meta.model_name)
if not request.user.has_perm(permission, target_object):
message = (_("You do not have permission to add messages "
"to target_id %s.") % target_object)
raise exceptions.PermissionDenied(detail=message)
results = action.send(
request.user,
verb=MESSAGE,
target=target_object,
description=validated_data.get("description"))
# results will be a list of tuples with the first item in the
# tuple being the signal handler function and the second
# being the object. We want to get the object of the first
# element in the list whose function is `action_handler`
try:
instance = [
instance for (receiver, instance) in results
if receiver == action_handler
].pop()
except IndexError:
# if you get here it means we have no instances
raise serializers.ValidationError(
"Message not created. Please retry.")
else:
return instance
def filter_queryset(self, request, queryset, view):
"""
Return a filtered queryset.
"""
if view.action == 'list':
target_type = request.query_params.get('target_type')
if target_type:
try:
target = get_target(target_type)
except TargetDoesNotExist:
raise exceptions.ParseError(
"Unknown target_type {}".format(target_type))
return queryset.filter(target_content_type=target)
raise exceptions.ParseError(
_("Parameter 'target_type' is missing."))
return queryset