def get_datasets(request, graph):
response_content = []
for neo_dataset in DatasetModel.nodes.filter(graph__exact=graph):
dataset_object = ObjectFactory.objectDataset(neo_dataset)
response_content.append(dataset_object.to_json())
response = HttpResponse(json.dumps(response_content),
content_type='application/json')
response['Access-Control-Allow-Origin'] = '*'
return response
def get_dataset_by_hash(request, hashed_uri):
try:
neo_dataset = DatasetModel.nodes.get(hashed_uri=hashed_uri)
dataset_object = ObjectFactory.objectDataset(neo_dataset)
response = HttpResponse(json.dumps(dataset_object.to_json()),
content_type='application/json')
except DoesNotExist:
response = HttpResponse(
"{}",
content_type='application/json',
status=404,
)
response['Access-Control-Allow-Origin'] = '*'
return response
def get_datasets_of_licenses(request, hashed_sets):
try:
neo_license = LicenseModel.nodes.get(hashed_sets=hashed_sets)
license_datasets = []
for dataset in neo_license.datasets.all():
dataset_object = ObjectFactory.objectDataset(dataset)
license_datasets.append(dataset_object.to_json())
response = HttpResponse(json.dumps(license_datasets),
content_type='application/json')
except DoesNotExist:
response = HttpResponse(
"[]",
content_type='application/json',
status=404,
)
response['Access-Control-Allow-Origin'] = '*'
return response
def get_graph(request):
nodes = []
links = []
for neo_license in LicenseModel.nodes:
license_object = ObjectFactory.objectLicense(neo_license)
nodes.append(D3jsData.license_node(license_object))
for neo_dataset in neo_license.datasets.all():
dataset_object = ObjectFactory.objectDataset(neo_dataset)
nodes.append(D3jsData.dataset_node(dataset_object))
links.append(D3jsData.dataset_link(license_object, dataset_object))
for compatible_neo_license in neo_license.followings.all():
compatible_license_object = ObjectFactory.objectLicense(
compatible_neo_license)
links.append(
D3jsData.compatible_link(license_object,
compatible_license_object))
response = HttpResponse(json.dumps(D3jsData.graph(nodes, links)),
content_type='application/json')
response['Access-Control-Allow-Origin'] = '*'
return response
def add_dataset(request, graph):
json_dataset = json.loads(request.body)
object_dataset = Dataset()
object_dataset.from_json(json_dataset)
neo_dataset = NeoFactory.NeoDataset(object_dataset, graph)
object_dataset = ObjectFactory.objectDataset(neo_dataset)
try:
neo_dataset.save()
response = HttpResponse(
json.dumps(object_dataset.to_json()),
content_type='application/json',
status=201,
)
except UniqueProperty:
response = HttpResponse(
json.dumps(object_dataset.to_json()),
content_type='application/json',
status=409,
)
response['Access-Control-Allow-Origin'] = '*'
return response
def get_dataset_search(request, graph):
query = request.GET.get('query', None)
label = request.GET.get('label', None)
descr = request.GET.get('descr', None)
uri = request.GET.get('uri', None)
neo_datasets = DatasetModel.nodes.filter(graph__exact=graph)
if query:
neo_datasets = dataset_filter_search(query, graph)
else:
if label:
neo_datasets = neo_datasets.filter(label__icontains=label)
if uri:
neo_datasets = neo_datasets.filter(uri__icontains=uri)
if descr:
neo_datasets = neo_datasets.filter(description__icontains=descr)
response_content = []
for neo_dataset in neo_datasets:
dataset_object = ObjectFactory.objectDataset(neo_dataset)
response_content.append(dataset_object.to_json())
response = HttpResponse(json.dumps(response_content),
content_type='application/json')
response['Access-Control-Allow-Origin'] = '*'
return response