def get(self, request):
page_size = 100
if hasattr(settings, "ACTIVITY_STREAM_PAGE_SIZE"):
page_size = int(setting.ACTIVITY_STREAM_PAGE_SIZE)
totalItems = models.EditLog.objects.all().exclude(
resourceclassid=settings.SYSTEM_SETTINGS_RESOURCE_MODEL_ID).count(
)
uris = {
"root":
request.build_absolute_uri(reverse("as_stream_collection")),
"first":
request.build_absolute_uri(
reverse("as_stream_page", kwargs={"page": 1})),
"last":
request.build_absolute_uri(
reverse("as_stream_page", kwargs={"page": 1})),
}
if totalItems > page_size:
uris["last"] = request.build_absolute_uri(
reverse("as_stream_page",
kwargs={"page": int(totalItems / page_size) + 1}))
collection = ActivityStreamCollection(
uris,
totalItems,
base_uri_for_arches=request.build_absolute_uri("/").rsplit("/", 1))
return JsonResponse(collection.to_obj())
def setUp(self):
# for RDF/JSON-LD export tests
self.C = ActivityStreamCollection(
base_uris,
totalItems,
base_uri_for_arches="https://arches.getty.edu")
self.EF = editlog_fuzzer()
class ActivityStreamCollectionTests(ArchesTestCase):
"""
Unit tests for the `to_rdf` method on Datatype classes.
"""
@classmethod
def setUpClass(cls):
ResourceInstance.objects.all().delete()
for skospath in [
"tests/fixtures/data/rdf_export_thesaurus.xml",
"tests/fixtures/data/rdf_export_collections.xml"
]:
skos = SKOSReader()
rdf = skos.read_file(skospath)
ret = skos.save_concepts_from_skos(rdf)
# Models
for model_name in ["object_model", "document_model"]:
with open(
os.path.join(
"tests/fixtures/resource_graphs/rdf_export_{0}.json".
format(model_name)), "rU") as f:
archesfile = JSONDeserializer().deserialize(f)
ResourceGraphImporter(archesfile["graph"])
def setUp(self):
# for RDF/JSON-LD export tests
self.C = ActivityStreamCollection(
base_uris,
totalItems,
base_uri_for_arches="https://arches.getty.edu")
self.EF = editlog_fuzzer()
def test_jsonld_export_function(self):
jsontxt = self.C.to_jsonld()
doc = json.loads(jsontxt)
def test_obj(self):
obj = self.C.to_obj()
self.assertTrue(obj["id"] == base_uris["root"])
self.assertTrue("first" in obj)
self.assertTrue("last" in obj)
def test_generate_page(self):
collection_page = self.C.generate_page(
page_1_uris, reversed([x for x in self.EF.get_events(10)]))
outtxt = collection_page.to_jsonld()
def get(self, request, page=None):
current_page = 1
page_size = 100
if hasattr(settings, "ACTIVITY_STREAM_PAGE_SIZE"):
page_size = int(setting.ACTIVITY_STREAM_PAGE_SIZE)
st = 0
end = 100
if page is not None:
try:
current_page = int(page)
if current_page <= 0:
current_page = 1
st = (current_page-1) * page_size
end = current_page * page_size
except (ValueError, TypeError) as e:
return HttpResponseBadRequest()
totalItems = models.EditLog.objects.all().exclude(
resourceclassid=settings.SYSTEM_SETTINGS_RESOURCE_MODEL_ID).count()
edits = models.EditLog.objects.all().exclude(
resourceclassid=settings.SYSTEM_SETTINGS_RESOURCE_MODEL_ID).order_by('timestamp')[st:end]
# setting last to be same as first, changing later if there are more pages
uris = {"root": request.build_absolute_uri(reverse("as_stream_collection")),
"this": request.build_absolute_uri(reverse("as_stream_page", kwargs={'page': current_page})),
"first": request.build_absolute_uri(reverse("as_stream_page", kwargs={'page': 1})),
"last": request.build_absolute_uri(reverse("as_stream_page", kwargs={'page': 1})),
}
if current_page > 1:
uris["prev"] = request.build_absolute_uri(reverse("as_stream_page", kwargs={'page': current_page-1}))
if end < totalItems:
uris["next"] = request.build_absolute_uri(reverse("as_stream_page", kwargs={'page': current_page+1}))
if totalItems > page_size:
uris["last"] = request.build_absolute_uri(reverse("as_stream_page",
kwargs={'page': int(totalItems/page_size)+1})),
collection = ActivityStreamCollection(uris, totalItems,
base_uri_for_arches=request.build_absolute_uri("/").rsplit("/", 1)[0])
collection_page = collection.generate_page(uris, edits)
collection_page.startIndex((current_page-1)*page_size)
return JsonResponse(collection_page.to_obj())