def addComment(self, user, text, pictureId=0):
'''Return new comment, or None.
Note: Assumes vision is already vetted to be written by user.'''
if len(text.strip()) > 0 or pictureId > 0:
commentModel = DataApi.addVisionComment(self.model(),
user.model(),
text,
pictureId)
if DataApi.NO_OBJECT_EXISTS == commentModel:
return None
else:
return VisionComment._getByModel(commentModel)
return None
def comments(self):
return [VisionComment._getByModel(m) for m in self._commentModels]
def getUserFeed(user):
# Get set of all userIds to fetch activities from
# This includes following ids, and own userId
follows = user.getFollows()
userIds = set()
for f in follows.followList():
userIds.add(f.userId())
userIds.add(user.id())
# Fetch activities
activities = DataApi.getActivities(userIds)
# Fetch all objects and create dictonary objects now. Might as well
# here for now since we don't need anything else yet.
# TODO: probably will need to change later
followIds = set([a.objectId for a in activities if a.action == Activity.Action.FOLLOW])
commentLikeIds = set([a.objectId for a in activities if a.action == Activity.Action.LIKE_VISION_COMMENT])
visionLikeIds = set([a.objectId for a in activities if a.action == Activity.Action.LIKE_VISION])
followModels = DataApi.getFollowsById(followIds)
commentLikeModels = DataApi.getVisionCommentLikesById(commentLikeIds)
visionLikeModels = DataApi.getVisionLikesById(visionLikeIds)
idToFollow = dict([(f.id, f) for f in followModels])
idToCommentLike = dict([(l.id, l) for l in commentLikeModels])
idToVisionLike = dict([(l.id, l) for l in visionLikeModels])
commentIds = set([a.objectId for a in activities if a.action == Activity.Action.COMMENT_ON_VISION])
for l in commentLikeModels:
commentIds.add(l.visionCommentId)
commentModels = DataApi.getVisionCommentsById(commentIds)
idToComment = dict([(c.id, c) for c in commentModels])
visionIds = set([a.objectId for a in activities if a.action == Activity.Action.ADD_VISION])
for c in commentModels:
visionIds.add(c.visionId)
for l in visionLikeModels:
visionIds.add(l.visionId)
unfilteredVisionsModels = DataApi.getVisionsById(visionIds, allowRemovedVisions=True)
userIds = set([a.subjectId for a in activities if a.action == Activity.Action.JOIN_SITE])
for c in commentModels:
userIds.add(c.authorId)
for l in visionLikeModels:
userIds.add(l.userId)
for l in commentLikeModels:
userIds.add(l.userId)
for f in followModels:
userIds.add(f.followerId)
userIds.add(f.userId)
userModels = DataApi.getUsersFromIds(userIds)
idToUser = dict([(u.id, u) for u in userModels])
# At this point we have all the visions models for the activities
# We need to remove the visions that we shouldn't allow this user to
# see
filteredVisionModels = []
for vision in unfilteredVisionsModels:
# vision should not be removed, and be either public, or a
# private vision you own
if vision.removed == False and (vision.privacy == VisionPrivacy.PUBLIC or vision.userId == user.id()):
filteredVisionModels.append(vision)
visionList = VisionList(filteredVisionModels)
# Now we have a list of all
visionObjs = visionList.toDictionary(
options=[
Vision.Options.PICTURE,
Vision.Options.USER,
Vision.Options.PARENT_USER,
Vision.Options.COMMENTS,
Vision.Options.COMMENT_PICTURES,
Vision.Options.LIKES,
Vision.Options.COMMENT_LIKES,
],
user=user,
)
idToVisionObj = dict([(v[Vision.Key.ID], v) for v in visionObjs])
# Now build activities!
feedObjList = []
visionIdToFeedObj = dict()
for activity in activities:
# JOIN SITE
if activity.action == Activity.Action.JOIN_SITE:
# Already have enough info to render this activity
newUser = User(idToUser[activity.subjectId])
obj = dict()
obj[Activity.Key.TYPE] = Activity.FeedItem.JOIN
obj[Activity.Key.USER] = newUser.toDictionary()
obj[Activity.Key.CREATED] = activity.created.isoformat()
feedObjList.append(obj)
# FOLLOW
elif activity.action == Activity.Action.FOLLOW:
follow = idToFollow[activity.objectId]
follower = User(idToUser[follow.followerId])
following = User(idToUser[follow.userId])
obj = dict()
obj[Activity.Key.TYPE] = Activity.FeedItem.FOLLOW
obj[Activity.Key.USER] = follower.toDictionary()
obj[Activity.Key.FOLLOWING] = following.toDictionary()
obj[Activity.Key.CREATED] = activity.created.isoformat()
feedObjList.append(obj)
# VISION-RELATED
elif (
activity.action == Activity.Action.ADD_VISION
or activity.action == Activity.Action.LIKE_VISION
or activity.action == Activity.Action.COMMENT_ON_VISION
or activity.action == Activity.Action.LIKE_VISION_COMMENT
):
# get vision we are working with
visionId = None
if activity.action == Activity.Action.ADD_VISION:
visionId = activity.objectId
elif activity.action == Activity.Action.LIKE_VISION:
visionId = idToVisionLike[activity.objectId].visionId
elif activity.action == Activity.Action.COMMENT_ON_VISION:
visionId = idToComment[activity.objectId].visionId
elif activity.action == Activity.Action.LIKE_VISION_COMMENT:
commentLike = idToCommentLike[activity.objectId]
visionId = idToComment[commentLike.visionCommentId].visionId
# if we don't know vision id from here, ignore this activity
if visionId == None:
continue
# Get the vision object we will be working with
if visionId in visionIdToFeedObj:
obj = visionIdToFeedObj[visionId]
else:
if visionId in idToVisionObj:
obj = dict()
actionString = Activity.ACTION_STRING[activity.action]
obj[Activity.Key.TYPE] = Activity.FeedItem.VISION
obj[Activity.Key.VISION] = idToVisionObj[visionId]
obj[Activity.Key.RECENT_ACTION] = actionString
obj[Activity.Key.CREATED] = activity.created.isoformat()
feedObjList.append(obj)
visionIdToFeedObj[visionId] = obj
else:
continue
# now append whatever we can to feed obj based on activity type
# Vision-related objects fill in these keys:
# VISION - the vision we are working with (with USER in it)
# (this should already be filled in)
# NEW_VISION - T/F if ADD_VISION activity is seen
# LIKER - list of Users that liked vision
# COMMENTS - list of comments with AUTHOR
# COMMENT_LIKES - list of comment likes info:
# USER - user that liked the comment
# COMMENT - comment info
if activity.action == Activity.Action.ADD_VISION:
obj[Activity.Key.NEW_VISION] = True
elif activity.action == Activity.Action.LIKE_VISION:
# get liker
liker = User(idToUser[activity.subjectId])
if Activity.Key.LIKERS in obj:
# If a likers list exists, find out if user is already
# in the list. Only add if the user isn't
existing = [l["id"] for l in obj[Activity.Key.LIKERS]]
if liker.id() not in existing:
likerObj = liker.toDictionary()
obj[Activity.Key.LIKERS].append(likerObj)
else:
# Else, create the list and enter the liker into it
obj[Activity.Key.LIKERS] = [liker.toDictionary()]
elif activity.action == Activity.Action.COMMENT_ON_VISION:
# get comment
comment = VisionComment(idToComment[activity.objectId])
if Activity.Key.COMMENTS in obj:
existing = [c["id"] for c in obj[Activity.Key.COMMENTS]]
if comment.id() not in existing:
commentObj = comment.toDictionary()
author = User(idToUser[comment.authorId()])
authorObj = author.toDictionary()
commentObj[VisionComment.Key.AUTHOR] = authorObj
obj[Activity.Key.COMMENTS].append(commentObj)
else:
commentObj = comment.toDictionary()
author = User(idToUser[comment.authorId()])
authorObj = author.toDictionary()
commentObj[VisionComment.Key.AUTHOR] = authorObj
obj[Activity.Key.COMMENTS] = [commentObj]
elif activity.action == Activity.Action.LIKE_VISION_COMMENT:
# get liker
commentLike = idToCommentLike[activity.objectId]
liker = User(idToUser[commentLike.userId])
if Activity.Key.COMMENT_LIKERS in obj:
# If a likers list exists, find out if user is already
# in the list. Only add if the user isn't
existing = [l["id"] for l in obj[Activity.Key.COMMENT_LIKERS]]
if liker.id() not in existing:
obj[Activity.Key.COMMENT_LIKERS].append(likerObj)
else:
# Else, create the list and enter the liker into it
likerObj = liker.toDictionary()
obj[Activity.Key.COMMENT_LIKERS] = [likerObj]
else:
pass
return feedObjList
"""