class PublicSignalCreateSerializer(SignalValidationMixin,
serializers.ModelSerializer):
"""
This serializer allows anonymous users to report `signals.Signals`.
Note: this is only used in the creation of new Signal instances, not to
create the response body after a succesfull POST.
"""
location = _NestedLocationModelSerializer()
reporter = _NestedReporterModelSerializer()
category = _NestedCategoryModelSerializer(source='category_assignment')
extra_properties = SignalExtraPropertiesField(
required=False,
allow_null=True,
validators=[
ExtraPropertiesValidator(
filename=os.path.join(os.path.dirname(__file__), '..',
'json_schema', 'extra_properties.json'))
])
incident_date_start = serializers.DateTimeField()
class Meta(object):
model = Signal
fields = (
'text',
'text_extra',
'location',
'category',
'reporter',
'incident_date_start',
'incident_date_end',
'extra_properties',
)
def validate(self, data):
"""Make sure any extra data is rejected"""
if hasattr(self, 'initial_data'):
present_keys = set(self.initial_data)
allowed_keys = set(self.fields)
if present_keys - allowed_keys:
raise ValidationError('Extra properties present: {}'.format(
', '.join(present_keys - allowed_keys)))
return super().validate(data)
def create(self, validated_data):
location_data = validated_data.pop('location')
reporter_data = validated_data.pop('reporter')
category_assignment_data = validated_data.pop('category_assignment')
status_data = {"state": workflow.GEMELD}
signal = Signal.actions.create_initial(validated_data, location_data,
status_data,
category_assignment_data,
reporter_data)
return signal
class PrivateSignalSerializerList(SignalValidationMixin, HALSerializer):
"""
This serializer is used for the list endpoint and when creating a new instance
"""
serializer_url_field = PrivateSignalLinksField
_display = DisplayField()
signal_id = serializers.UUIDField(source='uuid',
required=False,
read_only=True)
location = _NestedLocationModelSerializer(
permission_classes=(SIAPermissions, ))
status = _NestedStatusModelSerializer(
required=False, permission_classes=(SignalCreateInitialPermission, ))
category = _NestedCategoryModelSerializer(
source='category_assignment',
permission_classes=(SignalCreateInitialPermission, ))
reporter = _NestedReporterModelSerializer(
permission_classes=(SIAPermissions, ))
priority = _NestedPriorityModelSerializer(
required=False, permission_classes=(SIAPermissions, ))
notes = _NestedNoteModelSerializer(
many=True,
required=False,
permission_classes=(SignalCreateInitialPermission, ))
type = _NestedTypeModelSerializer(
required=False,
permission_classes=(SIAPermissions, ),
source='type_assignment',
)
directing_departments = _NestedDepartmentModelSerializer(
source='directing_departments_assignment.departments',
many=True,
required=False,
permission_classes=(SIAPermissions, ),
)
routing_departments = _NestedDepartmentModelSerializer(
source='routing_assignment.departments',
many=True,
required=False,
allow_null=True,
permission_classes=(SIAPermissions, ),
)
has_attachments = serializers.SerializerMethodField()
assigned_user_email = serializers.EmailField(
source='user_assignment.user.email', required=False, allow_null=True)
extra_properties = SignalExtraPropertiesField(
required=False,
allow_null=True,
validators=[
ExtraPropertiesValidator(
filename=os.path.join(os.path.dirname(__file__), '..',
'json_schema', 'extra_properties.json'))
])
parent = serializers.PrimaryKeyRelatedField(required=False,
read_only=False,
write_only=True,
queryset=Signal.objects.all())
has_parent = serializers.SerializerMethodField()
has_children = serializers.SerializerMethodField()
attachments = PrivateSignalAttachmentRelatedField(
view_name='private-signals-attachments-detail',
many=True,
required=False,
read_only=False,
write_only=True,
queryset=Attachment.objects.all())
class Meta:
model = Signal
list_serializer_class = _SignalListSerializer
fields = ('_links', '_display', 'id', 'signal_id', 'source', 'text',
'text_extra', 'status', 'location', 'category', 'reporter',
'priority', 'type', 'created_at', 'updated_at',
'incident_date_start', 'incident_date_end',
'operational_date', 'has_attachments', 'extra_properties',
'notes', 'directing_departments', 'routing_departments',
'attachments', 'parent', 'has_parent', 'has_children',
'assigned_user_email')
read_only_fields = (
'created_at',
'updated_at',
'has_attachments',
'has_parent',
'has_children',
)
extra_kwargs = {
'source': {
'validators': [SignalSourceValidator()]
},
}
def get_has_attachments(self, obj):
return obj.attachments.exists()
def get_has_parent(self, obj):
return obj.parent_id is not None # True is a parent_id is set, False if not
def get_has_children(self, obj):
return obj.children.exists()
def validate(self, attrs):
errors = {}
if attrs.get('directing_departments_assignment') is not None:
errors.update({
'directing_departments_assignment':
['Directing departments cannot be set on initial creation']
})
if attrs.get('routing_assignment') is not None:
errors.update({
'routing_assignment': [
'Signal departments relation cannot be set on initial creation'
]
})
if attrs.get('status') is not None:
errors.update(
{'status': ['Status cannot be set on initial creation']})
attachments = attrs.get('attachments')
parent = attrs.get('parent')
if attachments and parent is None:
errors.update({
'attachments': [
'Attachments can only be copied when creating a child Signal'
]
})
if attachments and parent:
attachments_belong_to_parent = all([
parent.pk == attachment._signal_id
for attachment in attachments
])
if not attachments_belong_to_parent:
errors.update({
'attachments':
['Attachments can only be copied from the parent Signal']
})
if errors:
raise serializers.ValidationError(errors)
return super().validate(attrs=attrs)
def create(self, validated_data):
# Set default status
logged_in_user = self.context['request'].user
INITIAL_STATUS = {
'state': workflow.GEMELD, # see models.py is already default
'text': None,
'user': logged_in_user.email,
}
# We require location and reporter to be set and to be valid.
reporter_data = validated_data.pop('reporter')
location_data = validated_data.pop('location')
location_data['created_by'] = logged_in_user.email
category_assignment_data = validated_data.pop('category_assignment')
category_assignment_data['created_by'] = logged_in_user.email
# We will use the priority and signal type on the incoming message if present.
priority_data = validated_data.pop(
'priority', {'priority': Priority.PRIORITY_NORMAL})
priority_data['created_by'] = logged_in_user.email
type_data = validated_data.pop('type_assignment', {})
type_data['created_by'] = logged_in_user.email
attachments = validated_data.pop(
'attachments') if 'attachments' in validated_data else None
signal = Signal.actions.create_initial(validated_data, location_data,
INITIAL_STATUS,
category_assignment_data,
reporter_data, priority_data,
type_data)
if attachments:
Signal.actions.copy_attachments(data=attachments, signal=signal)
signal.refresh_from_db()
return signal
class PublicSignalCreateSerializer(SignalValidationMixin, serializers.ModelSerializer):
"""
This serializer allows anonymous users to report `signals.Signals`.
Note: this is only used in the creation of new Signal instances, not to
create the response body after a succesfull POST.
"""
source = serializers.CharField(default='online', validators=[PublicSignalSourceValidator()])
location = _NestedLocationModelSerializer()
reporter = _NestedReporterModelSerializer()
category = _NestedCategoryModelSerializer(source='category_assignment')
incident_date_start = serializers.DateTimeField()
extra_properties = serializers.JSONField(
required=False,
allow_null=True,
validators=[
ExtraPropertiesValidator(
filename=os.path.join(
os.path.dirname(__file__), '..', 'json_schema', 'extra_properties.json'
)
)
]
)
# The Session containing the given answers of a Questionnaire
session = serializers.UUIDField(default=None, write_only=True, required=False)
class Meta(object):
model = Signal
fields = (
'source',
'text',
'text_extra',
'location',
'category',
'reporter',
'incident_date_start',
'incident_date_end',
'extra_properties',
'session',
)
def validate(self, data): # noqa: C901
"""Make sure any extra data is rejected"""
if hasattr(self, 'initial_data'):
present_keys = set(self.initial_data)
allowed_keys = set(self.fields)
if present_keys - allowed_keys:
raise ValidationError('Extra properties present: {}'.format(
', '.join(present_keys - allowed_keys)
))
errors = {}
if 'session' in data and data['session']:
"""
If a Session UUID is given the following checks must be valid before it can be connected to the Signal that
is going to be created created.
- The Session with given UUID must exists
- The Session cannot be connected to a Signal
- The Session cannot be expired
- The Session must be frozen
"""
try:
session = Session.objects.get(uuid=data['session'])
except Session.DoesNotExist as e:
errors.update({'session': [f'{e}']})
else:
if session._signal_id:
errors.update({'session': ['Session already used']})
elif not session.frozen and not session.is_expired:
errors.update({'session': ['Session not frozen']})
elif session.too_late:
errors.update({'session': ['Session expired']})
else:
data['session'] = session
# SIG-4382 additional check on the extra_properties if the category is lantaarpaal-straatverlichting
#
# Disabled additional check. This check prevents the creation of a "child" signal in the
# lantaarnpaal-straatverlichting category because there is no way to provide the streetlight
#
# if data.get('category_assignment').get('category').slug == 'lantaarnpaal-straatverlichting':
# validator = ExtraPropertiesValidator(
# filename=os.path.join(os.path.dirname(__file__), '..', 'json_schema',
# 'extra_properties_streetlights.json'))
# try:
# validator(data.get('extra_properties'))
# except ValidationError:
# errors.update({'extra_properties': [
# 'Extra properties not valid for category "lantaarnpaal-straatverlichting"'
# ]})
if errors:
raise serializers.ValidationError(errors)
return super().validate(data)
def create(self, validated_data):
location_data = validated_data.pop('location')
reporter_data = validated_data.pop('reporter')
category_assignment_data = validated_data.pop('category_assignment')
session = validated_data.pop('session')
return Signal.actions.create_initial(
validated_data,
location_data,
{'state': workflow.GEMELD},
category_assignment_data,
reporter_data,
priority_data=None,
type_data=None,
session=session,
)
class PrivateSignalSerializerDetail(HALSerializer, AddressValidationMixin):
"""
This serializer is used for the detail endpoint and when updating the instance
"""
serializer_url_field = PrivateSignalLinksFieldWithArchives
_display = DisplayField()
location = _NestedLocationModelSerializer(
required=False, permission_classes=(SIAPermissions, ))
status = _NestedStatusModelSerializer(
required=False, permission_classes=(SignalChangeStatusPermission, ))
category = _NestedCategoryModelSerializer(
source='category_assignment',
required=False,
permission_classes=(SignalChangeCategoryPermission, ))
reporter = _NestedReporterModelSerializer(
required=False, permission_classes=(SIAPermissions, ))
priority = _NestedPriorityModelSerializer(
required=False, permission_classes=(SIAPermissions, ))
notes = _NestedNoteModelSerializer(
many=True,
required=False,
permission_classes=(SignalCreateNotePermission, ))
type = _NestedTypeModelSerializer(
required=False,
permission_classes=(SIAPermissions, ),
source='type_assignment',
)
directing_departments = _NestedDepartmentModelSerializer(
source='directing_departments_assignment.departments',
many=True,
required=False,
permission_classes=(SIAPermissions, ),
)
routing_departments = _NestedDepartmentModelSerializer(
source='routing_assignment.departments',
many=True,
required=False,
allow_null=True,
permission_classes=(SIAPermissions, ),
)
has_attachments = serializers.SerializerMethodField()
assigned_user_email = serializers.EmailField(
source='user_assignment.user.email', required=False, allow_null=True)
extra_properties = SignalExtraPropertiesField(
required=False,
validators=[
ExtraPropertiesValidator(
filename=os.path.join(os.path.dirname(__file__), '..',
'json_schema', 'extra_properties.json'))
])
attachments = PrivateSignalAttachmentRelatedField(
view_name='private-signals-attachments-detail',
many=True,
required=False,
read_only=True)
class Meta:
model = Signal
fields = (
'_links',
'_display',
'category',
'id',
'has_attachments',
'location',
'status',
'reporter',
'priority',
'notes',
'type',
'source',
'text',
'text_extra',
'extra_properties',
'created_at',
'updated_at',
'incident_date_start',
'incident_date_end',
'directing_departments',
'routing_departments',
'attachments',
'assigned_user_email',
)
read_only_fields = (
'id',
'has_attachments',
)
def get_has_attachments(self, obj):
return obj.attachments.exists()
def update(self, instance, validated_data): # noqa
"""
Perform update on nested models.
Note:
- Reporter cannot be updated via the API.
- Atomic update (all fail/succeed), django signals on full success (see
underlying update_multiple method of actions SignalManager).
"""
if not instance.is_parent and validated_data.get(
'directing_departments_assignment') is not None:
raise serializers.ValidationError(
'Directing departments can only be set on a parent Signal')
user_email = self.context['request'].user.email
for _property in [
'location', 'status', 'category_assignment', 'priority'
]:
if _property in validated_data:
data = validated_data[_property]
data['created_by'] = user_email
if 'type_assignment' in validated_data:
type_data = validated_data.pop('type_assignment')
type_data['created_by'] = user_email
validated_data['type'] = type_data
if 'notes' in validated_data and validated_data['notes']:
note_data = validated_data['notes'][0]
note_data['created_by'] = user_email
if 'directing_departments_assignment' in validated_data and validated_data[
'directing_departments_assignment']:
validated_data['directing_departments_assignment'][
'created_by'] = user_email
if 'routing_assignment' in validated_data and validated_data[
'routing_assignment']:
validated_data['routing_assignment']['created_by'] = user_email
if 'user_assignment' in validated_data and validated_data[
'user_assignment']:
validated_data['created_by'] = user_email
signal = Signal.actions.update_multiple(validated_data, instance)
return signal
class PrivateSignalSerializerList(SignalValidationMixin, HALSerializer):
"""
This serializer is used for the list endpoint and when creating a new instance
"""
serializer_url_field = PrivateSignalLinksField
_display = DisplayField()
signal_id = serializers.UUIDField(source='uuid', required=False, read_only=True)
location = _NestedLocationModelSerializer(
permission_classes=(SIAPermissions,)
)
status = _NestedStatusModelSerializer(
required=False,
permission_classes=(SignalCreateInitialPermission,)
)
category = _NestedCategoryModelSerializer(
source='category_assignment',
permission_classes=(SignalCreateInitialPermission,)
)
reporter = _NestedReporterModelSerializer(
permission_classes=(SIAPermissions,)
)
priority = _NestedPriorityModelSerializer(
required=False,
permission_classes=(SIAPermissions,)
)
notes = _NestedNoteModelSerializer(
many=True,
required=False,
permission_classes=(SignalCreateInitialPermission,)
)
type = _NestedTypeModelSerializer(
required=False,
permission_classes=(SIAPermissions,),
source='type_assignment',
)
directing_departments = _NestedDepartmentModelSerializer(
source='directing_departments_assignment.departments',
many=True,
required=False,
permission_classes=(SIAPermissions,),
)
routing_departments = _NestedDepartmentModelSerializer(
source='routing_assignment.departments',
many=True,
required=False,
allow_null=True,
permission_classes=(SIAPermissions,),
)
has_attachments = serializers.SerializerMethodField()
assigned_user_email = serializers.EmailField(source='user_assignment.user.email', required=False, allow_null=True)
extra_properties = serializers.JSONField(
required=False,
allow_null=True,
validators=[
ExtraPropertiesValidator(
filename=os.path.join(
os.path.dirname(__file__), '..', 'json_schema', 'extra_properties.json')
)
]
)
parent = serializers.PrimaryKeyRelatedField(
required=False,
read_only=False,
write_only=True,
queryset=Signal.objects.all()
)
has_parent = serializers.SerializerMethodField()
has_children = serializers.SerializerMethodField()
attachments = PrivateSignalAttachmentRelatedField(view_name='private-signals-attachments-detail', many=True,
required=False, read_only=False, write_only=True,
queryset=Attachment.objects.all())
# The Session containing the given answers of a Questionnaire
session = serializers.UUIDField(default=None, write_only=True, required=False)
id_display = serializers.CharField(source='get_id_display', read_only=True)
class Meta:
model = Signal
list_serializer_class = _SignalListSerializer
fields = (
'_links',
'_display',
'id',
'id_display',
'signal_id',
'source',
'text',
'text_extra',
'status',
'location',
'category',
'reporter',
'priority',
'type',
'created_at',
'updated_at',
'incident_date_start',
'incident_date_end',
'operational_date',
'has_attachments',
'extra_properties',
'notes',
'directing_departments',
'routing_departments',
'attachments',
'parent',
'has_parent',
'has_children',
'assigned_user_email',
'session'
)
read_only_fields = (
'created_at',
'updated_at',
'has_attachments',
'has_parent',
'has_children',
)
extra_kwargs = {
'source': {'validators': [PrivateSignalSourceValidator()]},
}
def get_has_attachments(self, obj):
return obj.attachments.exists()
def get_has_parent(self, obj):
return obj.parent_id is not None # True is a parent_id is set, False if not
def get_has_children(self, obj):
return obj.children.exists()
def validate(self, attrs): # noqa C901
errors = {}
if attrs.get('directing_departments_assignment') is not None:
errors.update(
{'directing_departments_assignment': ['Directing departments cannot be set on initial creation']}
)
if attrs.get('routing_assignment') is not None:
errors.update(
{'routing_assignment': ['Signal departments relation cannot be set on initial creation']}
)
if attrs.get('status') is not None:
errors.update(
{'status': ['Status cannot be set on initial creation']}
)
attachments = attrs.get('attachments')
parent = attrs.get('parent')
if attachments and parent is None:
errors.update({'attachments': ['Attachments can only be copied when creating a child Signal']})
if attachments and parent:
attachments_belong_to_parent = all([parent.pk == attachment._signal_id for attachment in attachments])
if not attachments_belong_to_parent:
errors.update({'attachments': ['Attachments can only be copied from the parent Signal']})
if 'session' in attrs and attrs['session']:
"""
If a Session UUID is given the following checks must be valid before it can be connected to the Signal that
is going to be created created.
- The Session with given UUID must exists
- The Session cannot be connected to a Signal
- The Session cannot be expired
- The Session must be frozen
"""
try:
session = Session.objects.get(uuid=attrs['session'])
except Session.DoesNotExist as e:
errors.update({'session': [f'{e}']})
else:
if session._signal_id:
errors.update({'session': ['Session already used']})
elif not session.frozen and not session.is_expired:
errors.update({'session': ['Session not frozen']})
elif session.too_late:
errors.update({'session': ['Session expired']})
else:
attrs['session'] = session
# SIG-4382 additional check on the extra_properties if the category is lantaarpaal-straatverlichting
#
# Disabled additional check. This check prevents the creation of a "child" signal in the
# lantaarnpaal-straatverlichting category because there is no way to provide the streetlight
#
# if attrs.get('category_assignment').get('category').slug == 'lantaarnpaal-straatverlichting':
# validator = ExtraPropertiesValidator(filename=os.path.join(os.path.dirname(__file__), '..', 'json_schema',
# 'extra_properties_streetlights.json'))
# try:
# validator(attrs.get('extra_properties'))
# except ValidationError:
# errors.update({'extra_properties': [
# 'Extra properties not valid for category "lantaarnpaal-straatverlichting"'
# ]})
if errors:
raise serializers.ValidationError(errors)
return super().validate(attrs=attrs)
def create(self, validated_data):
# Set default status
logged_in_user = self.context['request'].user
INITIAL_STATUS = {
'state': workflow.GEMELD, # see models.py is already default
'text': None,
'user': logged_in_user.email,
}
# We require location and reporter to be set and to be valid.
reporter_data = validated_data.pop('reporter')
location_data = validated_data.pop('location')
location_data['created_by'] = logged_in_user.email
category_assignment_data = validated_data.pop('category_assignment')
category_assignment_data['created_by'] = logged_in_user.email
# We will use the priority and signal type on the incoming message if present.
priority_data = validated_data.pop('priority', {
'priority': Priority.PRIORITY_NORMAL
})
priority_data['created_by'] = logged_in_user.email
type_data = validated_data.pop('type_assignment', {})
type_data['created_by'] = logged_in_user.email
attachments = validated_data.pop('attachments') if 'attachments' in validated_data else None
session = validated_data.pop('session')
signal = Signal.actions.create_initial(
validated_data,
location_data,
INITIAL_STATUS,
category_assignment_data,
reporter_data,
priority_data,
type_data,
session=session,
)
if attachments:
Signal.actions.copy_attachments(data=attachments, signal=signal, created_by=logged_in_user.email)
# Add history entries for every attachment that was copied. Only photos allowed for now.
for attachment in Attachment.objects.filter(_signal=signal).order_by('created_at'):
filename = os.path.basename(attachment.file.name)
msg = f'Bijlage gekopieerd van hoofdmelding: {filename}'
Signal.actions.create_note(data={'text': msg}, signal=signal)
signal.refresh_from_db()
return signal