示例#1
0
    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)
示例#2
0
    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