def dashboard_view(request):
ctx = dict()
ctx['streams_status_counts'] = ModelManager.handle(
'streams.Stream', 'all').values('status').annotate(total=Count('status'))
ctx['functions_status_counts'] = ModelManager.handle(
'streams.FunctionInstance', 'all').values('status').annotate(total=Count('status'))
return render(request,
template_name='streams/dashboard.html',
context=ctx, )
def _query_serialized_function_variables(function_instance, iot):
variables = ModelManager.handle(
'streams.variable',
'filter',
function_instance=function_instance,
iot=iot)
return [var_.to_entity.as_dict for var_ in variables]
def test_create_output(self):
fi = ModelManager.handle('streams.functioninstance', 'all')[0]
output = Variable.create('text', 'output_1',
'My name is Foo and I love Bars')
var_orm, _ = VariableModel.create_output(fi.uuid, output)
assert var_orm.iot == 'output'
assert var_orm.to_entity
assert var_orm.rank == 0
def create(self, validated_data):
workspace = ModelManager.handle(
'accounts.workspace',
'create',
name=validated_data['name'],
business=validated_data['business'],
)
return workspace
def validate_stream(self, stream_uuid):
try:
stream = ModelManager.handle('streams.stream',
'get',
uuid=stream_uuid)
except ObjectDoesNotExist:
raise uuid_validation_error(stream_uuid)
return stream
def validate_business(self, business_uuid):
try:
business = ModelManager.handle('accounts.business',
'get',
uuid=business_uuid)
except ObjectDoesNotExist:
raise serializers.ValidationError(
"Business is invalid: '%s' doesn't exist." % business_uuid)
return business
def validate_type(self, ft_uuid):
try:
func_type = ModelManager.handle('streams.functiontype',
'get',
uuid=ft_uuid)
except ObjectDoesNotExist:
raise uuid_validation_error(ft_uuid)
return func_type
def validate(self, attrs):
organization_slug = attrs.get('organization_slug')
if not organization_slug:
organization_slug = slugify(attrs['organization_name'])
validator = MaxLengthValidator(limit_value=150)
validator(organization_slug)
attrs['organization_slug'] = organization_slug
try:
ModelManager.handle(
'accounts.business',
'get',
organization_slug=organization_slug,
)
raise serializers.ValidationError(
"Invalid organization slug '%s': already exists." %
organization_slug)
except ObjectDoesNotExist:
return attrs
def list(self, request):
filters = {}
initial_queryset = None
for key, value in request.query_params.items():
self.check_filter(key)
if key not in ['limit', 'offset']:
if key in ['is_staff', 'is_active']:
filters[key] = True if value == 'true' else False
elif key == 'related_to_workspace':
workspace_uuid = request.query_params.get(
'related_to_workspace')
try:
workspace = ModelManager.handle(
'accounts.workspace',
'get',
uuid=workspace_uuid)
except ObjectDoesNotExist:
raise ParseError(
"Workspace '%s' doesn't exist." % workspace_uuid)
initial_queryset = workspace.accountmodel_set.all()
if initial_queryset:
accounts = initial_queryset.filter(**filters)
else:
accounts = ModelManager.handle(
'accounts.account',
'filter',
**filters, )
items, metadata = self.filter_paginated_results(request, accounts)
list_serializer = AccountListSerializer(
items, many=True, request=request)
response_data = {
'total_queryset': len(accounts),
'count': len(items),
'data': list_serializer.data,
'metadata': {
**metadata,
**{'valid_filters': self.VALID_FILTERS}
}
}
return Response(response_data,
status=HTTP_200_OK)
def create(self, validated_data):
stream = ModelManager.handle(
'streams.stream',
'create',
name=validated_data['name'],
account=validated_data['account'],
workspace=validated_data['workspace'],
)
return stream
def create(self, validated_data):
function_instance = ModelManager.handle(
'streams.functioninstance',
'create',
function_type=validated_data['type'],
stream=validated_data['stream'],
position=validated_data['position'],
)
return function_instance
def validate_name(self, name):
query = ModelManager.handle(
'accounts.workspace',
'filter',
name=name,
business__uuid=self.initial_data.get('business'))
if len(query) > 0:
raise serializers.ValidationError(
"A workspace with that name '%s' already exists "
"at the scope of the business." % name)
return name
def validate(self, attrs):
"""
It returns the corresponding UserModel instance.
The unique validation is check that an account exists. Any additional validation logic
for login is not performed in the serializer scope.
"""
if self.initial_data['auth_type'] == 'email':
id_field = 'email'
else:
id_field = 'auth_id'
id_value = attrs['identifier']
try:
ModelManager.handle('accounts.account', 'get',
**{id_field: id_value})
return attrs
except ObjectDoesNotExist:
raise serializers.ValidationError(
"There isn't an account with the identifier provided: '%s'" %
id_value)
def retrieve(self, request, uuid=None):
try:
resource = ModelManager.handle(
self.app_model_name, 'get', uuid=uuid)
except ObjectDoesNotExist:
raise NotFound(
detail=f"resource identifier: '{uuid}' doesn't exist.")
serializer = self.RetrieveSerializer(resource)
return Response(
serializer.data,
status=HTTP_200_OK)
def create(self, validated_data):
account_creation_data = self.get_account_creation_data(validated_data)
account = ModelManager.handle(
'accounts.account',
'create_account',
**account_creation_data,
)
account.groups.add(1) # business_administrator
business_creation_data = {
'master_account': account,
'organization_name': validated_data['organization_name'],
'organization_slug': validated_data['organization_slug'],
}
business = ModelManager.handle(
'accounts.business',
'create',
**business_creation_data,
)
return business
def test_accounts_models_relationships():
users = ModelManager.handle('accounts.user', 'all')
for user in users:
user_ws = user.account.workspaces.all()
assert len(user_ws) == 1
ws = user_ws[0]
accounts = ws.accounts.all()
business_account = (accounts[1] if accounts[0].uuid
== user.account.uuid else accounts[0])
assert len(accounts) == 2
assert ws.name == '%s-%s' % (user.account.username, 'default')
assert business_account == user.business.master_account
def post(self, request):
serializer = CreateFILogMessageSerializer(data=request.data)
serializer.is_valid(raise_exception=True)
fi_log_message = ModelManager.handle(
'streams.FunctionInstanceLogMessage',
'create',
function_instance=request.fi,
log_message=serializer.validated_data['log_message'],
log_level=serializer.validated_data['log_level'], )
# TODO: Send changes trough a socket to application client
return Response(status=HTTP_200_OK)
def apply_list_filters(self, request) -> Tuple:
filters = self.build_filters(request)
try:
queryset = ModelManager.handle(
self.app_model_name,
'filter',
**filters, )
items, metadata = self.filter_paginated_results(request, queryset)
except:
self.raise_invalid_filters_error()
metadata = dict(**metadata, **{'valid_filters': self.VALID_FILTERS})
return len(queryset), items, metadata
def create(self, validated_data):
account_creation_data = self.get_account_creation_data(validated_data)
account = ModelManager.handle(
'accounts.account',
'create_account',
**account_creation_data,
)
account.groups.add(2) # developer
user_creation_data = {
'account': account,
'business': validated_data['business'],
'first_name': validated_data['first_name'],
'last_name': validated_data['last_name'],
}
user = ModelManager.handle(
'accounts.user',
'create',
**user_creation_data,
)
return user
def create(self, validated_data):
account = validated_data['account']
function_type = ModelManager.handle(
'streams.functiontype',
'create',
key=validated_data['key'],
verbose_name=validated_data['verbose_name'],
description=validated_data['description'],
inputs=validated_data['inputs'],
outputs=validated_data['outputs'],
account=account,
)
return function_type
def create(self, validated_data):
variable = ModelManager.handle(
'streams.variable',
'create',
iot=validated_data['iot'],
id_name=validated_data['id_name'],
type=validated_data['type'],
charset=validated_data['charset'],
bytes=validated_data['bytes'],
function_instance=validated_data['function_instance'],
rank=validated_data['rank'],
)
return variable
def destroy(self, request, uuid=None):
try:
st = ModelManager.handle(
'streams.stream',
'get',
uuid=uuid,
)
except ObjectDoesNotExist:
raise NotFound(
detail=f"resource identifier: '{uuid}' doesn't exist.")
st.cancel()
serializer = StreamSerializer(st)
return Response(serializer.data, status=HTTP_200_OK)
def validate(self, attrs):
organization_slug = attrs['organization_slug']
try:
business = ModelManager.handle(
'accounts.business',
'get',
organization_slug=organization_slug,
)
attrs['business'] = business
except ObjectDoesNotExist:
raise serializers.ValidationError(
"Invalid organization slug '%s': doesn't exist." %
organization_slug)
return attrs
def test_streams_models_relationships():
streams = ModelManager.handle('streams.stream', 'all')
st = streams[0]
functions = st.functions.all()
assert len(functions) > 0
fi = functions[0]
ft = fi.function_type
instances = ft.instances.all()
inst = instances[0]
assert fi == inst
vars = fi.variables.all()
assert len(vars) > 0
def handle(self, *args, **options):
model_name = '{0}{1}'.format(
options['model_name'].lower(),
'model' if 'model' not in options['model_name'].lower() else '')
json_data = options['json_data']
try:
object_data = json.loads(json_data)
except json.JSONDecodeError:
raise CommandError(
'%s json_data cannot be correctly deserialized' % json_data)
try:
item = ModelManager.handle(f'accounts.{model_name}', 'create',
**object_data)
except Exception as err:
raise CommandError(
'An error occurred while creating the Workspace: %s' % err)
self.stdout.write(
self.style.SUCCESS('Successfully created "%s" uuid="%s"' %
(model_name, item.uuid)))
def partial_update(self, request, uuid=None):
if 'body' not in request.data.keys():
raise ParseError(detail={'body': 'field is required.'})
else:
body = request.data['body']
if not body:
raise ParseError(detail={'body': 'field cannot be null.'})
validate_b64_encoded(body)
try:
variable = ModelManager.handle(
'streams.variable',
'get',
uuid=uuid,
)
except ObjectDoesNotExist:
raise NotFound(
detail=f"resource identifier: '{uuid}' doesn't exist.")
variable.body = decode_b64str(body)
variable.save()
serializer = VariableSerializer(variable)
return Response(serializer.data, status=HTTP_200_OK)
def test_to_entity(self):
users = ModelManager.handle('accounts.user', 'all')
for user in users:
assert isinstance(user.to_entity, UserEntity)
def test_to_entity(self):
accounts = ModelManager.handle('accounts.account', 'all')
for account in accounts:
assert isinstance(account.to_entity, AccountEntity)
def test_to_entity(self):
businesses = ModelManager.handle('accounts.business', 'all')
for bs in businesses:
assert isinstance(bs.to_entity, BusinessEntity)
def validate_email(self, email):
try:
ModelManager.handle('accounts.account', 'get', email=email)
raise serializers.ValidationError("'%s' already exist." % email)
except ObjectDoesNotExist:
return email