Python models.positive_value_exists函数代码示例

    def retrieve_address(self, voter_address_id, voter_id, address_type):
        error_result = False
        exception_does_not_exist = False
        exception_multiple_object_returned = False
        voter_address_on_stage = VoterAddress()

        try:
            if positive_value_exists(voter_address_id):
                voter_address_on_stage = VoterAddress.objects.get(id=voter_address_id)
                voter_address_id = voter_address_on_stage.id
            elif positive_value_exists(voter_id) and \
                            address_type in (BALLOT_ADDRESS, MAILING_ADDRESS, FORMER_BALLOT_ADDRESS):
                voter_address_on_stage = VoterAddress.objects.get(voter_id=voter_id, address_type=address_type)
                # If still here, we found an existing address
                voter_address_id = voter_address_on_stage.id
        except VoterAddress.MultipleObjectsReturned as e:
            handle_record_found_more_than_one_exception(e, logger=logger)
            error_result = True
            exception_multiple_object_returned = True
        except VoterAddress.DoesNotExist:
            error_result = True
            exception_does_not_exist = True

        results = {
            'success':                  True if voter_address_id > 0 else False,
            'error_result':             error_result,
            'DoesNotExist':             exception_does_not_exist,
            'MultipleObjectsReturned':  exception_multiple_object_returned,
            'voter_address_found':      True if voter_address_id > 0 else False,
            'voter_address_id':         voter_address_id,
            'voter_address':            voter_address_on_stage,
        }
        return results

    def toggle_off_voter_position_like(self, position_like_id, voter_id, position_entered_id):
        if positive_value_exists(position_like_id):
            try:
                PositionLike.objects.filter(id=position_like_id).delete()
                status = "DELETED_BY_POSITION_LIKE_ID"
                success = True
            except Exception as e:
                status = "UNABLE_TO_DELETE_BY_POSITION_LIKE_ID: {error}".format(
                    error=e
                )
                success = False
        elif positive_value_exists(voter_id) and positive_value_exists(position_entered_id):
            try:
                PositionLike.objects.filter(voter_id=voter_id, position_entered_id=position_entered_id).delete()
                status = "DELETED_BY_VOTER_ID_AND_POSITION_ENTERED_ID"
                success = True
            except Exception as e:
                status = "UNABLE_TO_DELETE_BY_VOTER_ID_AND_POSITION_ENTERED_ID: {error}".format(
                    error=e
                )
                success = False
        else:
            status = "UNABLE_TO_DELETE_NO_VARIABLES"
            success = False

        results = {
            'status':   status,
            'success':  success,
        }
        return results

def quick_info_list_view(request):
    messages_on_stage = get_messages(request)
    google_civic_election_id = request.GET.get('google_civic_election_id', 0)
    kind_of_ballot_item = request.GET.get('kind_of_ballot_item', '')
    language = request.GET.get('language', '')

    quick_info_list = QuickInfo.objects.order_by('id')  # This order_by is temp
    if positive_value_exists(google_civic_election_id):
        quick_info_list = QuickInfo.objects.filter(google_civic_election_id=google_civic_election_id)
    if positive_value_exists(kind_of_ballot_item):
        # Only return entries where the corresponding field has a We Vote id value in it.
        if kind_of_ballot_item == OFFICE:
            quick_info_list = QuickInfo.objects.filter(contest_office_we_vote_id__startswith='wv')
        elif kind_of_ballot_item == CANDIDATE:
            quick_info_list = QuickInfo.objects.filter(candidate_campaign_we_vote_id__startswith='wv')
        elif kind_of_ballot_item == POLITICIAN:
            quick_info_list = QuickInfo.objects.filter(politician_we_vote_id__startswith='wv')
        elif kind_of_ballot_item == MEASURE:
            quick_info_list = QuickInfo.objects.filter(contest_measure_we_vote_id__startswith='wv')
    if positive_value_exists(language):
        quick_info_list = QuickInfo.objects.filter(language=language)

    election_list = Election.objects.order_by('-election_day_text')

    template_values = {
        'messages_on_stage':        messages_on_stage,
        'quick_info_list':          quick_info_list,
        'election_list':            election_list,
        'google_civic_election_id': google_civic_election_id,
        'language_choices':         LANGUAGE_CHOICES,
        'language':                 language,
        'ballot_item_choices':      KIND_OF_BALLOT_ITEM_CHOICES,
        'kind_of_ballot_item':      kind_of_ballot_item,
    }
    return render(request, 'quick_info/quick_info_list.html', template_values)

def voter_position_like_off_save_for_api(voter_device_id, position_like_id, position_entered_id):
    # Get voter_id from the voter_device_id so we can know who is doing the liking
    results = is_voter_device_id_valid(voter_device_id)
    if not results['success']:
        json_data = {
            'status': 'VALID_VOTER_DEVICE_ID_MISSING',
            'success': False,
        }
        return HttpResponse(json.dumps(json_data), content_type='application/json')

    voter_id = fetch_voter_id_from_voter_device_link(voter_device_id)
    if not positive_value_exists(voter_id):
        json_data = {
            'status': "VALID_VOTER_ID_MISSING",
            'success': False,
        }
        return HttpResponse(json.dumps(json_data), content_type='application/json')

    position_like_manager = PositionLikeManager()
    if positive_value_exists(position_like_id) or \
            (positive_value_exists(voter_id) and positive_value_exists(position_entered_id)):
        results = position_like_manager.toggle_off_voter_position_like(
            position_like_id, voter_id, position_entered_id)
        status = results['status']
        success = results['success']
    else:
        status = 'UNABLE_TO_DELETE_POSITION_LIKE-INSUFFICIENT_VARIABLES'
        success = False

    json_data = {
        'status': status,
        'success': success,
    }
    return HttpResponse(json.dumps(json_data), content_type='application/json')

def voter_ballot_items_retrieve_view(request):
    """
    (voterBallotItemsRetrieve) Request a skeleton of ballot data for this voter location,
    so that the web_app has all of the ids it needs to make more requests for data about each ballot item.
    :param request:
    :return:
    """
    voter_device_id = get_voter_device_id(request)  # We look in the cookies for voter_device_id
    # If passed in, we want to look at
    google_civic_election_id = request.GET.get('google_civic_election_id', 0)
    use_test_election = request.GET.get('use_test_election', False)
    use_test_election = False if use_test_election == 'false' else use_test_election
    use_test_election = False if use_test_election == 'False' else use_test_election

    if positive_value_exists(use_test_election):
        google_civic_election_id = 2000  # The Google Civic API Test election
    elif not positive_value_exists(google_civic_election_id):
        # We look in the cookies for google_civic_election_id
        google_civic_election_id = get_google_civic_election_id_from_cookie(request)

    # This 'voter_ballot_items_retrieve_for_api' lives in apis_v1/controllers.py
    results = voter_ballot_items_retrieve_for_api(voter_device_id, google_civic_election_id)
    response = HttpResponse(json.dumps(results['json_data']), content_type='application/json')

    # Save google_civic_election_id in the cookie so the interface knows
    google_civic_election_id_from_ballot_retrieve = results['google_civic_election_id']
    if positive_value_exists(google_civic_election_id_from_ballot_retrieve):
        set_google_civic_election_id_cookie(request, response, results['google_civic_election_id'])

    return response

    def retrieve_contest_measure(self, contest_measure_id, contest_measure_we_vote_id='', maplight_id=None):
        error_result = False
        exception_does_not_exist = False
        exception_multiple_object_returned = False
        contest_measure_on_stage = ContestMeasure()

        try:
            if positive_value_exists(contest_measure_id):
                contest_measure_on_stage = ContestMeasure.objects.get(id=contest_measure_id)
                contest_measure_id = contest_measure_on_stage.id
            elif positive_value_exists(contest_measure_we_vote_id):
                contest_measure_on_stage = ContestMeasure.objects.get(we_vote_id=contest_measure_we_vote_id)
                contest_measure_id = contest_measure_on_stage.id
            elif positive_value_exists(maplight_id):
                contest_measure_on_stage = ContestMeasure.objects.get(maplight_id=maplight_id)
                contest_measure_id = contest_measure_on_stage.id
        except ContestMeasure.MultipleObjectsReturned as e:
            handle_record_found_more_than_one_exception(e, logger=logger)
            exception_multiple_object_returned = True
        except ContestMeasure.DoesNotExist:
            exception_does_not_exist = True

        results = {
            'success':                      True if contest_measure_id > 0 else False,
            'error_result':                 error_result,
            'DoesNotExist':                 exception_does_not_exist,
            'MultipleObjectsReturned':      exception_multiple_object_returned,
            'contest_measure_found':         True if contest_measure_id > 0 else False,
            'contest_measure_id':            contest_measure_id,
            'contest_measure_we_vote_id':    contest_measure_we_vote_id,
            'contest_measure':               contest_measure_on_stage,
        }
        return results

    def retrieve_daily_summaries(self, kind_of_action="", google_civic_election_id=0):
        # Start with today and cycle backwards in time
        daily_summaries = []
        day_on_stage = date.today()  # TODO: We need to work out the timezone questions
        number_found = 0
        maximum_attempts = 30
        attempt_count = 0

        try:
            # Limit the number of times this runs to EITHER 1) 5 positive numbers
            #  OR 2) 30 days in the past, whichever comes first
            while number_found <= 5 and attempt_count <= maximum_attempts:
                attempt_count += 1
                counter_queryset = GoogleCivicApiCounter.objects.all()
                if positive_value_exists(kind_of_action):
                    counter_queryset = counter_queryset.filter(kind_of_action=kind_of_action)
                if positive_value_exists(google_civic_election_id):
                    counter_queryset = counter_queryset.filter(google_civic_election_id=google_civic_election_id)

                # Find the number of these entries on that particular day
                counter_queryset = counter_queryset.filter(datetime_of_action__contains=day_on_stage)
                api_call_count = len(counter_queryset)

                # If any api calls were found on that date, pass it out for display
                if positive_value_exists(api_call_count):
                    daily_summary = {"date_string": day_on_stage, "count": api_call_count}
                    daily_summaries.append(daily_summary)
                    number_found += 1

                day_on_stage -= timedelta(days=1)
        except Exception:
            pass

        return daily_summaries

def retrieve_and_store_ballot_for_voter(voter_id, text_for_map_search=''):
    google_civic_election_id = 0
    if not positive_value_exists(text_for_map_search):
        # Retrieve it from voter address
        voter_address_manager = VoterAddressManager()
        text_for_map_search = voter_address_manager.retrieve_ballot_map_text_from_voter_id(voter_id)

    if positive_value_exists(text_for_map_search):
        one_ballot_results = retrieve_one_ballot_from_google_civic_api(text_for_map_search)
        if one_ballot_results['success']:
            one_ballot_json = one_ballot_results['structured_json']

            # We update VoterAddress with normalized address data in store_one_ballot_from_google_civic_api

            store_one_ballot_results = store_one_ballot_from_google_civic_api(one_ballot_json, voter_id)
            if store_one_ballot_results['success']:
                status = 'RETRIEVED_AND_STORED_BALLOT_FOR_VOTER'
                success = True
                google_civic_election_id = store_one_ballot_results['google_civic_election_id']
            else:
                status = 'UNABLE_TO-store_one_ballot_from_google_civic_api'
                success = False
        else:
            status = 'UNABLE_TO-retrieve_one_ballot_from_google_civic_api'
            success = False
    else:
        status = 'MISSING_ADDRESS_TEXT_FOR_BALLOT_SEARCH'
        success = False

    results = {
        'google_civic_election_id': google_civic_election_id,
        'success': success,
        'status': status,
    }
    return results

def voter_star_on_save_for_api(voter_device_id, office_id, candidate_id, measure_id):
    # Get voter_id from the voter_device_id so we can know who is doing the starring
    results = is_voter_device_id_valid(voter_device_id)
    if not results["success"]:
        json_data = {"status": "VALID_VOTER_DEVICE_ID_MISSING", "success": False}
        return HttpResponse(json.dumps(json_data), content_type="application/json")

    voter_id = fetch_voter_id_from_voter_device_link(voter_device_id)
    if not positive_value_exists(voter_id):
        json_data = {"status": "VALID_VOTER_ID_MISSING", "success": False}
        return HttpResponse(json.dumps(json_data), content_type="application/json")

    star_item_manager = StarItemManager()
    if positive_value_exists(office_id):
        results = star_item_manager.toggle_on_voter_starred_office(voter_id, office_id)
        status = "STAR_ON_OFFICE " + results["status"]
        success = results["success"]
    elif positive_value_exists(candidate_id):
        results = star_item_manager.toggle_on_voter_starred_candidate(voter_id, candidate_id)
        status = "STAR_ON_CANDIDATE " + results["status"]
        success = results["success"]
    elif positive_value_exists(measure_id):
        results = star_item_manager.toggle_on_voter_starred_measure(voter_id, measure_id)
        status = "STAR_ON_MEASURE " + results["status"]
        success = results["success"]
    else:
        status = "UNABLE_TO_SAVE_ON-OFFICE_ID_AND_CANDIDATE_ID_AND_MEASURE_ID_MISSING"
        success = False

    json_data = {"status": status, "success": success}
    return HttpResponse(json.dumps(json_data), content_type="application/json")

def retrieve_candidate_photos_for_election_view(request, election_id):
    google_civic_election_id = convert_to_int(election_id)

    # We only want to process if a google_civic_election_id comes in
    if not positive_value_exists(google_civic_election_id):
        messages.add_message(request, messages.ERROR, "Google Civic Election ID required.")
        return HttpResponseRedirect(reverse("candidate:candidate_list", args=()))

    try:
        candidate_list = CandidateCampaign.objects.order_by("candidate_name")
        if positive_value_exists(google_civic_election_id):
            candidate_list = candidate_list.filter(google_civic_election_id=google_civic_election_id)
    except CandidateCampaign.DoesNotExist:
        pass

    display_messages = False
    force_retrieve = False
    # Loop through all of the candidates in this election
    for we_vote_candidate in candidate_list:
        retrieve_candidate_results = retrieve_candidate_photos(we_vote_candidate, force_retrieve)

        if retrieve_candidate_results["status"] and display_messages:
            messages.add_message(request, messages.INFO, retrieve_candidate_results["status"])

    return HttpResponseRedirect(
        reverse("candidate:candidate_list", args=())
        + "?google_civic_election_id={var}".format(var=google_civic_election_id)
    )

    def retrieve_ballot_item_for_voter(self, voter_id, google_civic_election_id, google_civic_district_ocd_id):
        exception_does_not_exist = False
        exception_multiple_object_returned = False
        google_civic_ballot_item_on_stage = BallotItem()
        google_civic_ballot_item_id = 0

        if positive_value_exists(voter_id) and positive_value_exists(google_civic_election_id) and \
                positive_value_exists(google_civic_district_ocd_id):
            try:
                google_civic_ballot_item_on_stage = BallotItem.objects.get(
                    voter_id__exact=voter_id,
                    google_civic_election_id__exact=google_civic_election_id,
                    district_ocd_id=google_civic_district_ocd_id,  # TODO This needs to be rethunk
                )
                google_civic_ballot_item_id = google_civic_ballot_item_on_stage.id
            except BallotItem.MultipleObjectsReturned as e:
                handle_record_found_more_than_one_exception(e, logger=logger)
                exception_multiple_object_returned = True
            except BallotItem.DoesNotExist:
                exception_does_not_exist = True

        results = {
            'success':                          True if google_civic_ballot_item_id > 0 else False,
            'DoesNotExist':                     exception_does_not_exist,
            'MultipleObjectsReturned':          exception_multiple_object_returned,
            'google_civic_ballot_item':         google_civic_ballot_item_on_stage,
        }
        return results

def polling_location_list_view(request):
    polling_location_state = request.GET.get('polling_location_state')
    no_limit = False

    polling_location_count_query = PollingLocation.objects.all()
    if positive_value_exists(polling_location_state):
        polling_location_count_query = polling_location_count_query.filter(state__iexact=polling_location_state)
    polling_location_count = polling_location_count_query.count()
    messages.add_message(request, messages.INFO, '{polling_location_count} polling locations found.'.format(
        polling_location_count=polling_location_count))

    polling_location_query = PollingLocation.objects.all()
    if positive_value_exists(polling_location_state):
        polling_location_query = polling_location_query.filter(state__iexact=polling_location_state)
    if no_limit:
        polling_location_query = polling_location_query.order_by('location_name')
    else:
        polling_location_query = polling_location_query.order_by('location_name')[:100]
    polling_location_list = polling_location_query

    state_list = STATE_LIST_IMPORT

    messages_on_stage = get_messages(request)

    template_values = {
        'messages_on_stage':        messages_on_stage,
        'polling_location_list':    polling_location_list,
        'polling_location_count':   polling_location_count,
        'polling_location_state':   polling_location_state,
        'state_list':               state_list,
    }
    return render(request, 'polling_location/polling_location_list.html', template_values)

 def get_ballot_item_we_vote_id(self):
     if positive_value_exists(self.contest_office_we_vote_id):
         return self.contest_office_we_vote_id
     elif positive_value_exists(self.candidate_campaign_we_vote_id):
         return self.candidate_campaign_we_vote_id
     elif positive_value_exists(self.politician_we_vote_id):
         return self.politician_we_vote_id
     elif positive_value_exists(self.contest_measure_we_vote_id):
         return self.contest_measure_we_vote_id
     return None

 def get_kind_of_ballot_item(self):
     if positive_value_exists(self.contest_office_we_vote_id):
         return OFFICE
     elif positive_value_exists(self.candidate_campaign_we_vote_id):
         return CANDIDATE
     elif positive_value_exists(self.politician_we_vote_id):
         return POLITICIAN
     elif positive_value_exists(self.contest_measure_we_vote_id):
         return MEASURE
     return None

def admin_home_view(request):
    results = voter_setup(request)
    voter_device_id = results['voter_device_id']
    store_new_voter_device_id_in_cookie = results['store_new_voter_device_id_in_cookie']
    template_values = {
    }
    response = render(request, 'admin_tools/index.html', template_values)

    # We want to store the voter_device_id cookie if it is new
    if positive_value_exists(voter_device_id) and positive_value_exists(store_new_voter_device_id_in_cookie):
        set_voter_device_id(request, response, voter_device_id)

    return response