def GET(self):
i = web.input(pid=None, cid=None, opt="")
option = i.pop('opt')
try: # getting the requested paper
i.pid = int(i.pid)
paper = Paper(i.pid)
if not paper.enabled: raise
except (TypeError, IndexError):
raise web.notfound()
try: # getting the specified comment
i.cid = int(i.cid)
comment = paper.comments[i.cid]
if not comment['enabled']:
raise IndexError
except (TypeError, IndexError):
return render().item(paper)
if option and comment['username'] == session()['uname'] \
and session()['logged']: # TODO: or session()['admin']
if option == "delete":
paper.activate_comment(i.cid, state=False)
return render().item(paper)
if option == "edit": return render().edit(i.pid, i.cid, comment)
return render().comment(i.pid, i.cid, comment)
def POST(self):
"""Organize/sort the comments according to votes, author,
time, etc (heuristic)
POST route to add a comment to a paper
side effects:
- handles votes / karma
"""
i = web.input(pid=None, cid=None, comment="", opt="", enabled=True)
option = i.pop('opt')
try: # getting the requested paper
i.pid = int(i.pid)
paper = Paper(i.pid)
except (TypeError, IndexError):
# TODO: Log
# IndexEror("No such paper") or
# TypeError("int() arg must be str or number, not 'NoneType'")
raise web.notfound()
if not i.comment:
return render().item(paper)
if not session().logged:
raise web.seeother('/login?redir=/item?pid=%s' % i.pid)
else:
i.username = session()['uname']
if option == "edit":
try:
paper.edit_comment(i.cid, content=i.comment, enabled=i.enabled)
except (TypeError, ValueError) as e:
# XXX Log error e
return render().item(paper)
else:
i.cid = paper.add_comment(i.cid,
session()['uname'],
content=i.comment,
votes=paper.votes,
enabled=i.enabled)
record_comment(session()['uname'], i.pid, i.cid)
return render().item(paper)
def GET(self):
"""Research http://news.ycombinator.com/item?id=1781013 how
hacker news voting works and emulate
XXX Restrict voting to session().logged users + element id
must not already exist in user['votes'] set.
XXX Requires accounting + record keeping
XXX Preserve the web.ctx GET query params to preserve sorting
/ ordering
Algo:
1. Add karma to paper['submitter'] if vote
2. Record vote in user['votes'] set by id
- calc unique vote id via some linear combination of paper pid
(and or comment id [cid], if it exists)
"""
i = web.input(pid=None, sort="popular")
if not session().logged:
raise web.seeother('/register')
if i.pid:
i.pid = int(i.pid)
u = Academic(session()['uname'])
p = Paper(i.pid)
if canvote(u, i.pid):
try:
# move set_vote to paper api
p.votes += 1
p.save()
record_vote(u['username'], p.submitter, i.pid)
except IndexError:
return "No such items exists to vote on"
raise web.seeother('/?sort=%s' % i.sort)
def clear(pid):
"""Clear comments for an item"""
paper = Paper(pid)
paper.comments = []
return paper.save()