Esempio n. 1
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def view_dataverse_incoming_1(request):
    """Do something with incoming DV info ..."""

    resp_info = dict(title='Process Incoming Params',
                     subtitle='Example 1: get user info, schema',
                     incoming_params=[(k, v) for k, v in request.GET.items()])

    mparams = DataverseManifestParams(request.GET)

    if mparams.has_error():
        resp_info['manifest_param_error'] = mparams.get_error_message()
    else:
        # Retrieve user info
        user_info = mparams.get_user_info()
        resp_info['user_info'] = user_info

        # Retrieve dataset citation (JSON-LD)
        schema_info = mparams.get_schema_org()
        resp_info['schema_info'] = schema_info

    return render(request, 'dataverses/view_mock_incoming_1.html', resp_info)
Esempio n. 2
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class DataverseRequestHandler(BasicErrCheck):

    def __init__(self, manifest_params, user):
        """
        manifest_params - Django request.GET or python dict
        """
        self.mparams = DataverseManifestParams(manifest_params)

        # In memory data
        self.user_info = None
        self.schema_info = None
        self.schema_info_for_file = None
        self.ddi_info = None

        # References to Django model instances
        self.dataverse_user = None
        self.dataverse_file_info = None

        if self.mparams.has_error():
            self.add_err_msg(self.mparams.get_error_message())
            return

        if not isinstance(user, OpenDPUser):
            self.add_err_msg('User must be an OpenDPUser object')
            return

        self.user = user

        self.process_dv_request()


    def process_dv_request(self):
        """
        Main function that walks through the process
        """
        if self.has_error():
            return

        # Retrieve minimal data to do work
        #
        if not self.retrieve_user_info():
            return

        if not self.retrieve_schema_org_info():
            return

        # DDI...

        # Yes, we have all the necessary data, start updating models/tables
        #
        if not self.update_dataverse_user_info():
            return

        if not self.update_dataverse_file_info():
            return


    def retrieve_user_info(self):
        """
        User the DV API to retrieve user info
        """
        if self.has_error():
            return False

        user_info = self.mparams.get_user_info()
        if not user_info.success:
            self.add_err_msg(user_info.message)
            return False

        if isinstance(user_info.data, dict):
            if 'data' in user_info.data:
                self.user_info = user_info.data.get('data')
                return True
            else:
                user_msg = '"data" key not found in user information from Dataverse API'
        else:
            user_msg = 'user_info.data must be a Python dict'

        self.add_err_msg(user_msg)
        return False

    def retrieve_schema_org_info(self):
        """
        User the DV API to retrieve schema.org info about the dataset
        """
        if self.has_error():
            return False

        # (1) Retrieve the JSON LD info
        #
        schema_info = self.mparams.get_schema_org()
        if schema_info.status_code >= 400:
            self.add_err_msg(schema_info.message)
            return False
        self.schema_info = schema_info.json()

        # (2) Retrieve the file specific info from the JSON-LD
        #
        file_info = self.mparams.retrieve_file_specific_info(self.schema_info)
        if not file_info.success:
            self.add_err_msg(file_info.message)
            return False

        self.schema_info_for_file = file_info.data
        return True

    def update_dataverse_user_info(self):
        """
        Create or update the DataverseUser related to the OpenDP user
        """
        if self.has_error():
            return False

        test_data = {\
         'id': 11086,
         'identifier': '@raman_prasad',
         'displayName': 'Raman Prasad',
         'firstName': 'Raman',
         'lastName': 'Prasad', 'email': '*****@*****.**', 'superuser': False,
         'affiliation': 'Harvard University',
         'persistentUserId': 'https://fed.huit.harvard.edu/idp/shibboleth|[email protected]',
         'createdTime': '2000-01-01T05:00:00Z', 'lastApiUseTime': '2020-11-16T21:52:14Z',
         'authenticationProviderId': 'shib'}

        dv_persistent_id = self.user_info.get(dv_static.DV_PERSISTENT_USER_ID)
        if not dv_persistent_id:
            user_msg = (f'Could not find "{dv_static.DV_PERSISTENT_USER_ID}"'
                        f' in the Dataverse user info.')
            self.add_err_msg(user_msg)
            return False

        self.dataverse_user, _created = DataverseUser.objects.get_or_create(
                                            user=self.user,     # logged in user
                                            dv_installation=self.mparams.registerd_dataverse, # from GET request
                                            persistent_id=dv_persistent_id)     # from User Info

        # update params, if needed
        self.dataverse_user.email = self.user_info.get(dv_static.DV_EMAIL)
        self.dataverse_user.first_name = self.user_info.get(dv_static.DV_FIRST_NAME)
        self.dataverse_user.last_name = self.user_info.get(dv_static.DV_LAST_NAME)

        self.dataverse_user.save()
        return True

    def update_dataverse_file_info(self):
        """
        Retrieve or create a DataverseFileInfo object
        """
        query_params = dict(source=DataverseFileInfo.SourceChoices.Dataverse,
                            dv_installation=self.mparams.registerd_dataverse,
                            dataverse_file_id=self.mparams.fileId
                            )
        defaults = dict(creator=self.user,  # logged in user, OpenDP user
                        name=self.schema_info_for_file.get(dv_static.SCHEMA_KEY_NAME, f'DV file {self.mparams.filePid}'),
                        dataset_doi=self.mparams.datasetPid,
                        file_doi=self.mparams.filePid if self.mparams.filePid else '')

        dv_file_info, _created = DataverseFileInfo.objects.get_or_create(**query_params, defaults=defaults)

        self.dataverse_file_info = dv_file_info

        return True