Exemplo n.º 1
0
    def create(self, request, user_id):

        # fix-up "self" user
        if user_id.lower() == "self":
            user_id = request.user.id

        # can only create your own entries
        if not request.user.is_superuser and int(user_id) != request.user.id:
            return rc.FORBIDDEN

        rdfType = RDF["type"]
        rdfTypeStr = str(rdfType)

        try:
            body_obj = json.loads(request.body)
        except:
            return rc.BAD_REQUEST

        # check for existance and determine class
        data = body_obj.get("data", [])
        classURI = data.get(rdfTypeStr)
        if not classURI:
            resp = rc.BAD_REQUEST
            resp.write(" - missing required predicate: " + rdfTypeStr)
            return resp

        USER = Namespace(str(USER_GRAPH_URI).format(userId=user_id))

        subjectId = uuid.uuid4().hex

        # inject the new subject-id into the JSON
        subject_uri = USER[subjectId]
        body_obj["id"] = subject_uri

        try:

            rdfutils.update_from_json(
                sparql_graphs_for_user(request.user), USER, COMMON_GRAPH_URI, subject_uri, body_obj
            )

            result = rdfutils.object_to_json(sparql_graphs_for_user(request.user), COMMON_GRAPH_URI, USER, subject_uri)

        except Exception, e:
            print "Error creating new entry: " + e
            raise
Exemplo n.º 2
0
    def update(self, request, user_id, entry_id):

        # fix-up "self" user
        if user_id.lower() == "self":
            user_id = request.user.id

        # can only update your own entries
        if not request.user.is_superuser and int(user_id) != request.user.id:
            return rc.FORBIDDEN

        try:
            body_obj = json.loads(request.body)

        except:
            resp = rc.BAD_REQUEST
            resp.write(".  Error parsing JSON")
            return resp

        if not body_obj.get("id"):
            resp = rc.BAD_REQUEST
            resp.write(".  Missing required 'id' property")
            return resp

        if body_obj["id"] != entry_id:
            resp = rc.BAD_REQUEST
            resp.write(".  Arguments don't match payload")
            return resp

        try:

            USER = Namespace(str(USER_GRAPH_URI).format(userId=user_id))

            # inject id into JSON
            entry_uri = body_obj["id"]

            rdfutils.update_from_json(sparql_graphs_for_user(request.user), USER, COMMON_GRAPH_URI, entry_uri, body_obj)

            result = rdfutils.object_to_json(sparql_graphs_for_user(request.user), COMMON_GRAPH_URI, USER, entry_uri)

        except Exception, e:
            raise e