def _checkpoint_details():
"""
Gets detailed information about a (User)Checkpoint given its id.
"""
CheckpointDetail = namedtuple("CheckpointDetail",
("user_checkpoint_obj",
"total_likes",
"total_shares",
"current_user_like",
"comments",
"user",
))
user_id = request.args.get("user_id")
user_checkpoint_id = request.args.get("user_checkpoint_id")
user_obj = get_user(user_id)
user_checkpoint_obj = get_user_checkpoint(user_checkpoint_id)
total_likes = get_total_likes(user_checkpoint_obj)
total_shares = get_total_shares(user_checkpoint_obj)
current_user_like = (not get_like_w_attr(user_obj, user_checkpoint_obj.checkpoint) is None)
comments = get_checkpoint_comments(user_checkpoint_obj.checkpoint)
checkpoint_user_obj = user_checkpoint_obj.user
user = {"name": checkpoint_user_obj.facebook_user.name,
"facebook_portrait_url": "https://graph.facebook.com/%s/picture" % checkpoint_user_obj.facebook_user.id,
}
res = CheckpointDetail(user_checkpoint_obj,
total_likes,
total_shares,
current_user_like,
comments,
user
)
return res
def sort_checkpoints(ucp_lis, sort_method, **kwargs):
"""
sorts checkpoints according to method supplied.
methods available are: newest, nearest, popular
if "nearest" method is chosen, longitude/latitude kw args should be provided.
"""
sorted_ucp = None
if sort_method == "popular":
sorted_ucp = sorted(ucp_lis,
key=lambda ucp: get_total_likes(ucp),
reverse=True)
elif sort_method == "nearest":
lat, lon = kwargs["latitude"], kwargs["longitude"]
ucp_namedtuples = _checkpoints_to_location_namedtuples(ucp_lis)
sorted_ucp = proximity_sort((lat, lon), ucp_namedtuples, len(ucp_namedtuples))
sorted_ucp = [ucp[1] for ucp in sorted_ucp]
else: #newest
sorted_ucp = sorted(ucp_lis, key=lambda ucp: ucp.checkpoint.date_created, reverse=True)
return sorted_ucp
