def describe_notification(notification_obj):
"""
Describes a notification in a human understandable manner.
Returns a dictionary that
- contains a text string that will explain
what this notification is about;
- a url to the checkpoint image
- and the id of the relevant user checkpoint obj
"""
from action.like import get_like
from action.comment import get_comment
from action.share import get_share
from action.user_checkpoint import get_user_checkpoint_attr
from action.serve import get_checkpoint_img_url
ucp_id = None
txt = ""
ucp_url = None
relevant_user_name = notification_obj.from_user.facebook_user.name
if notification_obj.type == "new_like":
#format: XXX likes your Checkpoint: "Chicken Rice"
like_obj = get_like(notification_obj.relevant_id)
user_checkpoint_obj = get_user_checkpoint_attr(notification_obj.affected_user, like_obj.checkpoint)
ucp_id = user_checkpoint_obj.id
ucp_url = get_checkpoint_img_url(like_obj.checkpoint)
txt = "%s likes your Checkpoint: %s" % (relevant_user_name, like_obj.checkpoint.name)
elif notification_obj.type == "new_comment":
#format: XXX commented on Checkpoint: "Chicken Rice"
comment_obj = get_comment(notification_obj.relevant_id)
user_checkpoint_obj = get_user_checkpoint_attr(notification_obj.affected_user, comment_obj.checkpoint)
ucp_id = user_checkpoint_obj.id
ucp_url = get_checkpoint_img_url(user_checkpoint_obj.checkpoint)
txt = "%s commented on Checkpoint: %s" % (relevant_user_name, comment_obj.checkpoint.name)
elif notification_obj.type == "new_share":
#format: XXX recommends you to check out a Checkpoint: "Chicken Rice"
share_obj = get_share(notification_obj.relevant_id)
user_checkpoint_obj = share_obj.user_checkpoint
ucp_id = user_checkpoint_obj.id
ucp_url = get_checkpoint_img_url(user_checkpoint_obj.checkpoint)
txt = "%s recommends you to check out a Checkpoint: %s" % (relevant_user_name, user_checkpoint_obj.checkpoint.name)
return {"notification_text": txt,
"checkpoint_img_url": ucp_url,
"user_checkpoint_id": ucp_id,
}
def serialize(self):
"""
Return this object data into an easily serializable form (For JSON)
"""
from action.like import get_total_likes_checkpoint
from action.comment import get_checkpoint_comments
from action.user import get_user
return {
"id": self.id,
"creator": self.creator,
"creator_name": get_user(self.creator).facebook_user.name,
"name": self.name,
"description": self.description,
"price": self.price,
"expiry": serialize_json_datetime(self.expiry),
"date_created": serialize_json_datetime(self.date_created),
"type": self.type,
"image": self.image,
"image_url": get_checkpoint_img_url(self),
"longitude": self.longitude,
"latitude": self.latitude,
"total_likes": get_total_likes_checkpoint(self),
"total_comments": get_checkpoint_comments(self).count(),
}
