def api_v2_user_info(request):
"""
{
"points": 100.0,
"rating": 2452,
"rank": "user",
"organizations": [],
"solved_problems": ["ccc14s4", ...],
"attempted_problems": [
{
"code": "Hello, World!",
"points": 1.0,
"max_points": 2.0
}
],
"authored_problems": ["dmpg16s4"],
"contest_history": [
{
"contest": {
"code": "halloween14",
"name": "Kemonomimi Party",
"tags": ["seasonal"],
"time_limit": null,
"start_time": "2014-10-31T04:00:00+00:00",
"end_time": "2014-11-10T05:00:00+00:00"
},
"rank": 1,
"rating:": 1800
},
// ...
]
}
"""
username = request.GET['username']
if not username:
return error("username argument not provided")
try:
profile = Profile.objects.get(user__username=username)
except Profile.DoesNotExist:
return error("no such user")
last_rating = list(profile.ratings.order_by('-contest__end_time'))
resp = {
"rank": profile.display_rank,
"organizations": list(profile.organizations.values_list('key', flat=True))
}
contest_history = []
for participation in (ContestParticipation.objects.filter(user=profile, virtual=0, contest__is_public=True)
.order_by('-contest__end_time')):
contest = participation.contest
problems = list(contest.contest_problems.select_related('problem').defer('problem__description').order_by('order'))
rank, result = filter(lambda data: data[1].user == profile.user, ranker(contest_ranking_list(contest, problems), key=attrgetter('points', 'cumtime')))[0]
contest_history.append({
'contest': {
'code': contest.key,
'name': contest.name,
'tags': list(contest.tags.values_list('name', flat=True)),
'time_limit': contest.time_limit and contest.time_limit.total_seconds(),
'start_time': contest.start_time.isoformat(),
'end_time': contest.end_time.isoformat(),
},
'rank': rank,
'rating': result.participation_rating,
})
resp['contests'] = {
"current_rating": last_rating[0].rating if last_rating else None,
"volatility": last_rating[0].volatility if last_rating else None,
'history': contest_history,
}
solved_problems = []
attempted_problems = []
problem_data = (Submission.objects.filter(points__gt=0, user=profile, problem__is_public=True)
.annotate(max_pts=Max('points'))
.values_list('max_pts', 'problem__points', 'problem__code')
.distinct())
for awarded_pts, max_pts, problem in problem_data:
if awarded_pts == max_pts:
solved_problems.append(problem)
else:
attempted_problems.append({
'awarded': awarded_pts,
'max': max_pts,
'problem': problem
})
resp['problems'] = {
'points': profile.points,
'solved': solved_problems,
'attempted': attempted_problems,
'authored': list(Problem.objects.filter(authors=profile).values_list('code', flat=True))
}
return JsonResponse(resp)
def api_v2_user_info(request):
"""
{
"points": 100.0,
"rating": 2452,
"rank": "user",
"organizations": [],
"solved_problems": ["ccc14s4", ...],
"attempted_problems": [
{
"code": "Hello, World!",
"points": 1.0,
"max_points": 2.0
}
],
"authored_problems": ["dmpg16s4"],
"contest_history": [
{
"contest": {
"code": "halloween14",
"name": "Kemonomimi Party",
"tags": ["seasonal"],
"time_limit": null,
"start_time": "2014-10-31T04:00:00+00:00",
"end_time": "2014-11-10T05:00:00+00:00"
},
"rank": 1,
"rating:": 1800
},
// ...
]
}
"""
try:
username = request.GET['username']
except KeyError:
return error("no username passed")
if not username:
return error("username argument not provided")
try:
profile = Profile.objects.get(user__username=username)
except Profile.DoesNotExist:
return error("no such user")
last_rating = list(profile.ratings.order_by('-contest__end_time'))
resp = {
"rank": profile.display_rank,
"organizations": list(profile.organizations.values_list('key', flat=True))
}
contest_history = []
for participation in (ContestParticipation.objects.filter(user=profile, virtual=0, contest__is_public=True)
.order_by('-contest__end_time')):
contest = participation.contest
problems = list(contest.contest_problems.select_related('problem').defer('problem__description')
.order_by('order'))
rank, result = next(filter(lambda data: data[1].user == profile.user,
ranker(contest_ranking_list(contest,problems), key=attrgetter('points', 'cumtime'))))
contest_history.append({
'contest': {
'code': contest.key,
'name': contest.name,
'tags': list(contest.tags.values_list('name', flat=True)),
'time_limit': contest.time_limit and contest.time_limit.total_seconds(),
'start_time': contest.start_time.isoformat(),
'end_time': contest.end_time.isoformat(),
},
'rank': rank,
'rating': result.participation_rating,
})
resp['contests'] = {
"current_rating": last_rating[0].rating if last_rating else None,
"volatility": last_rating[0].volatility if last_rating else None,
'history': contest_history,
}
solved_problems = []
attempted_problems = []
problem_data = (Submission.objects.filter(points__gt=0, user=profile, problem__is_public=True,
problem__is_organization_private=False)
.annotate(max_pts=Max('points'))
.values_list('max_pts', 'problem__points', 'problem__code')
.distinct())
for awarded_pts, max_pts, problem in problem_data:
if awarded_pts == max_pts:
solved_problems.append(problem)
else:
attempted_problems.append({
'awarded': awarded_pts,
'max': max_pts,
'problem': problem
})
resp['problems'] = {
'points': profile.points,
'solved': solved_problems,
'attempted': attempted_problems,
'authored': list(Problem.objects.filter(is_public=True, is_organization_private=False, authors=profile)
.values_list('code', flat=True))
}
return JsonResponse(resp)