def get(self):
try:
cursor = Cursor.from_websafe_string(self.request.get('cursor'))
except BadValueError:
cursor = None
try:
limit = int(self.request.get('limit'))
if limit <= 0:
raise ValueError
except (TypeError, ValueError):
limit = 100
query = Poll.query().order(-Poll.created)
polls, next_cursor, has_more = query.fetch_page(limit,
start_cursor=cursor)
for poll in polls:
self.response.write(poll.render_html() + '\n\n<hr>\n\n')
if not has_more:
return
more_url = '?cursor={}&limit={}'.format(
next_cursor.to_websafe_string(), limit)
self.response.write('<p><a href="{}">More</a></p>'.format(more_url))
def create_matches_for_user(app_user, group_id, cursor=None):
logging.debug('debugging_news create_matches_for_user user:%s group:%s', app_user, group_id)
user_settings = NewsSettingsUser.create_key(app_user).get()
batch_count = 50
qry = NewsItem.list_published_by_group_id(group_id)
start_cursor = Cursor.from_websafe_string(cursor) if cursor else None
items, new_cursor, has_more = qry.fetch_page(batch_count, start_cursor=start_cursor)
si_users = []
for news_item in items:
if news_item.sender in si_users:
continue
si_users.append(news_item.sender)
to_put = []
for news_item in items:
m = _create_news_item_match(user_settings, news_item)
if not m:
continue
to_put.append(m)
if to_put:
put_in_chunks(to_put, is_ndb=True)
if has_more and new_cursor:
new_cursor_str = new_cursor.to_websafe_string().decode('utf-8')
deferred.defer(create_matches_for_user, app_user, group_id, new_cursor_str, _queue=NEWS_MATCHING_QUEUE)
def _get_jobs(qry, cursor, language):
fetch_size = 10
items, new_cursor, has_more = qry.fetch_page(fetch_size, start_cursor=Cursor.from_websafe_string(cursor) if cursor else None, keys_only=True)
result = GetJobsResponseTO()
result.has_criteria = True
result.items = []
for m in ndb.get_multi(items):
job_offer = JobOffer.get_by_id(m.job_id)
timestamp = get_epoch_from_datetime(m.created)
interested = m.interested if hasattr(m, 'interested') else False
job_offer_to = JobOfferTO.fromJobOffer(job_offer, timestamp, interested, language)
if not job_offer_to:
continue
result.items.append(job_offer_to)
result.cursor = new_cursor.to_websafe_string().decode('utf-8') if new_cursor else None
result.has_more = has_more
return result
def list_view(request, query, context={}, page_size=50, template_name=None):
template_name = get_list_template_name(query, template_name, request.is_ajax())
start_cursor = request.GET.get('page')
page_size = int(request.GET.get('page_size', page_size))
if start_cursor:
start_cursor = Cursor.from_websafe_string(start_cursor)
col, cursor, more = query.fetch_page(page_size, start_cursor=start_cursor)
d = {
'list': col,
'page_obj': {'has_next': more, 'next_cursor': cursor.to_websafe_string() if cursor else None }
}
context.update(d)
context = RequestContext(request, context)
template = loader.get_template(template_name)
response = HttpResponse(template.render(context))
if request.is_ajax() and more:
response['X-Cursor'] = cursor.to_websafe_string()
return response
