def pushToFeed(userKey, timeuuid, itemKey, parentKey, responseType,
itemType, convOwner=None, commentOwner=None, tagId='',
entities=None, promote=True):
# Caveat: assume itemKey as parentKey if parentKey is None
parentKey = itemKey if not parentKey else parentKey
convOwner = userKey if not convOwner else convOwner
commentOwner = userKey if not commentOwner else commentOwner
# Get this conversation to the top of the feed only if promote is set
if promote:
yield db.insert(userKey, "feed", parentKey, timeuuid)
if plugins.has_key(itemType) and plugins[itemType].hasIndex:
yield db.insert(userKey, "feed_"+itemType, parentKey, timeuuid)
yield updateFeedResponses(userKey, parentKey, itemKey, timeuuid, itemType,
responseType, convOwner, commentOwner, tagId,
entities, promote)
def updateFeedResponses(userKey, parentKey, itemKey, timeuuid, itemType,
responseType, convOwner, commentOwner, tagId,
entities, promote):
if not entities:
entities = [commentOwner]
else:
entities.extend([commentOwner])
entities = ",".join(entities)
feedItemValue = ":".join([responseType, commentOwner, itemKey, entities, tagId])
tmp, oldest, latest = {}, None, None
cols = yield db.get_slice(userKey, "feedItems",
super_column=parentKey, reverse=True)
cols = utils.columnsToDict(cols, ordered=True)
feedKeys = []
userFeedItems = []
userFeedItemsByType = {}
for tuuid, val in cols.items():
# Bailout if we already know about this update.
if tuuid == timeuuid:
defer.returnValue(None)
rtype = val.split(':')[0]
if rtype not in ('!', 'I'):
tmp.setdefault(rtype, []).append(tuuid)
if val.split(':')[1] == userKey:
userFeedItems.append(tuuid)
userFeedItemsByType.setdefault(rtype, []).append(tuuid)
oldest = tuuid
feedKeys.append(tuuid)
# Remove older entries of this conversation from the feed
# only if a new one was added before this function was called.
if promote and feedKeys:
yield db.batch_remove({'feed': [userKey]}, names=feedKeys)
totalItems = len(cols)
noOfItems = len(tmp.get(responseType, []))
if noOfItems == MAXFEEDITEMSBYTYPE:
if (len(userFeedItemsByType.get(responseType, {})) == MAXFEEDITEMSBYTYPE and not promote)\
or (tmp[responseType][noOfItems-1] not in userFeedItemsByType.get(responseType, {}) \
and len(userFeedItemsByType.get(responseType, {})) == MAXFEEDITEMSBYTYPE-1 and not promote):
oldest = userFeedItemsByType[responseType][noOfItems-2]
else:
oldest = tmp[responseType][noOfItems-1]
if ((len(userFeedItems)== MAXFEEDITEMS-1 and not promote) or \
(oldest not in userFeedItems and len(userFeedItems) == MAXFEEDITEMS-2 and not promote)):
oldest = userFeedItems[-2]
if noOfItems == MAXFEEDITEMSBYTYPE or totalItems == MAXFEEDITEMS:
yield db.remove(userKey, "feedItems", oldest, parentKey)
if plugins.has_key(itemType) and plugins[itemType].hasIndex:
yield db.remove(userKey, "feed_"+itemType, oldest)
if totalItems == 0 and responseType != 'I':
value = ":".join(["!", convOwner, parentKey, ""])
tuuid = uuid.uuid1().bytes
yield db.batch_insert(userKey, "feedItems", {parentKey:{tuuid:value}})
yield db.batch_insert(userKey, "feedItems",
{parentKey:{timeuuid: feedItemValue}})
def deleteUserFeed(userId, itemType, tuuid):
yield db.remove(userId, "userItems", tuuid)
if plugins.has_key(itemType) and plugins[itemType].hasIndex:
yield db.remove(userId, "userItems_"+itemType, tuuid)