def save(self,callback):
if self.id == -1:
creation = True
self.id = yield self._get_unused_id()
else:
creation = False
key = self._key
cli = data.get_client()
pipe = cli.pipeline()
pipe.hmset(self._key,self._field_dict())
if creation: # don't add us every save
pipe.lpush("pastes",self.id) #global pastes
# user posts
pipe.lpush("user:{}:pastes".format(self.author),self.author)
def cb(data):
callback(True)
pipe.execute([cb])
def by_id(cls,_id,callback=None):
key = "Snippet:{}".format(_id)
cli = data.get_client()
fields = yield cli.async.hmget(key,cls.fields)
fields["_id"] = _id
callback(cls(**fields))
def _get_unused_id(callback=None):
""" gets an unused id """
cli = data.get_client()
callback((yield cli.async.incr("counter:snippet")))
def count_view(self):
""" Counts a pageview for this snippet """
cli = data.get_client()
yield cli.async.hincrby(self._key,"views",1)
def get_recent_pastes(cls,stop,start=0,callback=None):
cli = data.get_client()
ids = map(int,(yield cli.async.lrange("pastes",start,stop)))
callback((yield cls.by_ids(ids)))