def delete(handler, obj_id):
obj_key = models.get_key(obj_id)
if obj_key.kind() == "Topic":
topic = models.db.get(obj_key)
topics = models._get_topics(topic)
for t in topics:
t.delete()
memecache.set("data", None)
return {"deleted":obj_id}
elif obj_key.kind() == "Resource":
resource = models.Resource.get(obj_key)
resource.delete()
return {"deleted":obj_id}
else:
return {"deleted":""}
def get_topic_tree(handler, topic_id=None):
data = memcache.get("data2")
if data:
output = data["root"]
location = data["location"]
if not topic_id:
return output
elif location:
locs = location[models.get_key(topic_id).name()]
return _topic_lookup(output, locs)
location = {}
output = {
"name" : "ROOT",
"description" : "",
"subtopics" : []
}
topics = models._get_topics()
for topic in topics:
topic_dict = topic.to_dict()
locstr = topic.key().name()
if (locstr == "Bookmark"):
continue
loc_nodes = locstr.split(".")
parent_locstr = ".".join(loc_nodes[0:len(loc_nodes)-1])
if parent_locstr:
parent = _topic_lookup(output, location[parent_locstr])
location[locstr] = location[parent_locstr] + [len(parent["subtopics"])]
parent["subtopics"].append(topic_dict)
else:
location[locstr] = [ len(output["subtopics"]) ]
output["subtopics"].append(topic_dict)
if not topic_id:
data = {"root" : output, "location" : location }
memcache.set("data", data)
return output
else:
locs = location[models.get_key(topic_id).name()]
return _topic_lookup(output, locs)
