def post(self):
next = None
bookmark = self.request.get('subscription_key')
q = Subscription.all().order('__key__').filter('status =', Subscription.verified)
if bookmark:
q.filter('__key__ >', db.Key(bookmark))
subscription = q.get()
## 0. done if there are no more subscriptions
if not subscription:
return
## 1. otherwise, process this subscription via its settings:
listing_key = self.request.get('listing_key')
listing = Listing.get(listing_key)
settings = subscription.settings
if settings.email and settings.notify_listing_defs:
items = [i.defindex for i in listing.items()]
for defindex in items:
if defindex in settings.notify_listing_defs:
## no name, that would mean yet another datastore read...
send(settings.email, listing.url())
break
## 2. add another item to the queue:
queue_tool.notify_listing(subscription_key=subscription.key(),
listing_key=listing_key)
def build_transaction(cls, owner, profile, item_ids, desc, days, min_bid=None,
is_subscriber=False,
bid_currency_use=False,
bid_currency_start=0,
bid_currency_type='',
feature_listing=False):
## 1. check the user, get their backpack and verify the
## inidicated items belong to them.
if not cls.lazy_verify:
if not profile.owns_all(uid for uid, item in item_ids):
raise ValueError('Incorrect ownership.')
## 2. check the date
if days not in cls.valid_days:
raise ValueError('Invalid number of days until expiration.')
## regulation 46a:
delta = timedelta(minutes=days*4) if features.devel else timedelta(days=days)
expires = datetime.now() + delta
## 3. extract and create categories for the ListingItem
## item types and for the min_bid defindex checks.
schema = json_loads(fetch.schema())
## 4. verify the min_bid values are present in the schema.
min_bid = min_bid or []
min_bid_defs = set(min_bid)
valid_defs = set(i['defindex'] for i in schema['result']['items']['item'])
if not (min_bid_defs & valid_defs == min_bid_defs):
raise TypeError('Invalid minimum bid items.')
## 4. create. note that we're not setting a parent entity so
## that we can query for the listing by id.
listing = cls(
owner=owner,
expires=expires,
min_bid=min_bid,
description=desc)
## 4a. derive categories
cats = item_categories([i for u, i in item_ids], schema)
listing.categories =\
[cat for cat, ttl in known_categories if cat in cats]
## 4b. set subscriber features:
if is_subscriber:
listing.bid_currency_use = bid_currency_use
listing.bid_currency_start = float(bid_currency_start)
listing.bid_currency_type = bid_currency_type
## listing.bid_currency_top == 0 by default
listing.featured = feature_listing
key = listing.put()
info('created new listing at: %s', listing.created)
# 5. assign the items
item_types = item_type_map(schema)
for uid, item in item_ids:
uid = str(uid)
listing_item = ListingItem(
parent=listing,
uniqueid=uid,
defindex=item['defindex'],
source=json_dumps(item),
item_type_name=item_types[item['defindex']],
listing=listing)
listing_item.put()
## 6. submit an item to the expiration task queue.
queue_tool.end_listing(key, expires, transactional=True)
## 7. submit an item to the re-verification task queue.
queue_tool.reverify_items({'key':key, 'action':'init', 'type':'listing'}, transactional=True)
## 8. submit an item to the counter banging task queue.
queue_tool.bang_counters({'listings':1, 'listing_items':len(item_ids)}, transactional=True)
## 9. submit an item to the subscriber notification queue
queue_tool.notify_listing(subscription_key=None, listing_key=key, transactional=True)
## 10. submit an item to the external share queue
if not features.devel:
queue_tool.external_share(listing_key=key, transactional=True)
return key
