NDOJ/judge/views/user.py
2024-05-21 23:09:22 -05:00

559 lines
19 KiB
Python

import itertools
import json
from datetime import datetime
from operator import itemgetter
from django.conf import settings
from django.contrib.auth import logout as auth_logout
from django.contrib.auth.decorators import login_required
from django.contrib.auth.models import Permission
from django.contrib.auth.views import redirect_to_login
from django.contrib.contenttypes.models import ContentType
from django.db import transaction
from django.db.models import Count, Max, Min
from django.db.models.fields import DateField
from django.db.models.functions import Cast, ExtractYear
from judge.models.bookmark import MakeBookMark
from django.forms import Form
from django.http import (
Http404,
HttpResponseRedirect,
JsonResponse,
HttpResponseForbidden,
HttpResponseBadRequest,
HttpResponse,
)
from django.shortcuts import get_object_or_404, render
from django.urls import reverse
from django.utils import timezone
from django.utils.formats import date_format
from django.utils.functional import cached_property
from django.utils.safestring import mark_safe
from django.utils.translation import gettext as _, gettext_lazy
from django.views import View
from django.views.generic import DetailView, ListView, TemplateView
from django.template.loader import render_to_string
from reversion import revisions
from judge.forms import UserForm, ProfileForm, ProfileInfoForm
from judge.models import Profile, Rating, Submission, Friend, ProfileInfo
from judge.performance_points import get_pp_breakdown
from judge.ratings import rating_class, rating_progress
from judge.tasks import import_users
from judge.utils.problems import contest_completed_ids, user_completed_ids
from judge.utils.ranker import ranker
from judge.utils.unicode import utf8text
from judge.utils.users import (
get_rating_rank,
get_points_rank,
get_awards,
get_contest_ratings,
)
from judge.utils.views import (
QueryStringSortMixin,
TitleMixin,
generic_message,
SingleObjectFormView,
)
from judge.utils.infinite_paginator import InfinitePaginationMixin
from .contests import ContestRanking
__all__ = [
"UserPage",
"UserAboutPage",
"UserProblemsPage",
"UserBookMarkPage",
"users",
"edit_profile",
]
def remap_keys(iterable, mapping):
return [dict((mapping.get(k, k), v) for k, v in item.items()) for item in iterable]
class UserMixin(object):
model = Profile
slug_field = "user__username"
slug_url_kwarg = "user"
context_object_name = "user"
def render_to_response(self, context, **response_kwargs):
return super(UserMixin, self).render_to_response(context, **response_kwargs)
class UserPage(TitleMixin, UserMixin, DetailView):
template_name = "user/user-base.html"
def get_object(self, queryset=None):
if self.kwargs.get(self.slug_url_kwarg, None) is None:
return self.request.profile
return super(UserPage, self).get_object(queryset)
def dispatch(self, request, *args, **kwargs):
if self.kwargs.get(self.slug_url_kwarg, None) is None:
if not self.request.user.is_authenticated:
return redirect_to_login(self.request.get_full_path())
try:
return super(UserPage, self).dispatch(request, *args, **kwargs)
except Http404:
return generic_message(
request,
_("No such user"),
_('No user handle "%s".') % self.kwargs.get(self.slug_url_kwarg, None),
)
def get_title(self):
return (
_("My account")
if self.request.profile == self.object
else _("User %s") % self.object.username
)
def get_content_title(self):
username = self.object.username
css_class = self.object.css_class
return mark_safe(f'<span class="{css_class}">{username}</span>')
# TODO: the same code exists in problem.py, maybe move to problems.py?
@cached_property
def profile(self):
if not self.request.user.is_authenticated:
return None
return self.request.profile
@cached_property
def in_contest(self):
return (
self.profile is not None
and self.profile.current_contest is not None
and self.request.in_contest_mode
)
def get_completed_problems(self):
if self.in_contest:
return contest_completed_ids(self.profile.current_contest)
else:
return user_completed_ids(self.profile) if self.profile is not None else ()
def get_context_data(self, **kwargs):
context = super(UserPage, self).get_context_data(**kwargs)
context["followed"] = Friend.is_friend(self.request.profile, self.object)
context["hide_solved"] = int(self.hide_solved)
context["authored"] = self.object.authored_problems.filter(
is_public=True, is_organization_private=False
).order_by("code")
rating = self.object.ratings.order_by("-contest__end_time")[:1]
context["rating"] = rating[0] if rating else None
context["points_rank"] = get_points_rank(self.object)
if rating:
context["rating_rank"] = get_rating_rank(self.object)
context["rated_users"] = Profile.objects.filter(
is_unlisted=False, rating__isnull=False
).count()
context.update(
self.object.ratings.aggregate(
min_rating=Min("rating"),
max_rating=Max("rating"),
contests=Count("contest"),
)
)
return context
def get(self, request, *args, **kwargs):
self.hide_solved = (
request.GET.get("hide_solved") == "1"
if "hide_solved" in request.GET
else False
)
return super(UserPage, self).get(request, *args, **kwargs)
EPOCH = datetime(1970, 1, 1, tzinfo=timezone.utc)
class UserAboutPage(UserPage):
template_name = "user/user-about.html"
def get_context_data(self, **kwargs):
context = super(UserAboutPage, self).get_context_data(**kwargs)
ratings = context["ratings"] = get_contest_ratings(self.object)
context["rating_data"] = mark_safe(
json.dumps(
[
{
"label": rating.contest.name,
"rating": rating.rating,
"ranking": rating.rank,
"link": reverse("contest_ranking", args=(rating.contest.key,)),
"timestamp": (rating.contest.end_time - EPOCH).total_seconds()
* 1000,
"date": date_format(
timezone.localtime(rating.contest.end_time),
_("M j, Y, G:i"),
),
"class": rating_class(rating.rating),
"height": "%.3fem" % rating_progress(rating.rating),
}
for rating in ratings
]
)
)
context["awards"] = get_awards(self.object)
if ratings:
user_data = self.object.ratings.aggregate(Min("rating"), Max("rating"))
global_data = Rating.objects.aggregate(Min("rating"), Max("rating"))
min_ever, max_ever = global_data["rating__min"], global_data["rating__max"]
min_user, max_user = user_data["rating__min"], user_data["rating__max"]
delta = max_user - min_user
ratio = (
(max_ever - max_user) / (max_ever - min_ever)
if max_ever != min_ever
else 1.0
)
context["max_graph"] = max_user + ratio * delta
context["min_graph"] = min_user + ratio * delta - delta
submissions = (
self.object.submission_set.annotate(date_only=Cast("date", DateField()))
.values("date_only")
.annotate(cnt=Count("id"))
)
context["submission_data"] = mark_safe(
json.dumps(
{
date_counts["date_only"].isoformat(): date_counts["cnt"]
for date_counts in submissions
}
)
)
context["submission_metadata"] = mark_safe(
json.dumps(
{
"min_year": (
self.object.submission_set.annotate(
year_only=ExtractYear("date")
).aggregate(min_year=Min("year_only"))["min_year"]
),
}
)
)
return context
class UserProblemsPage(UserPage):
template_name = "user/user-problems.html"
def get_context_data(self, **kwargs):
context = super(UserProblemsPage, self).get_context_data(**kwargs)
result = (
Submission.objects.filter(
user=self.object,
points__gt=0,
problem__is_public=True,
problem__is_organization_private=False,
)
.exclude(
problem__in=self.get_completed_problems() if self.hide_solved else []
)
.values(
"problem__id",
"problem__code",
"problem__name",
"problem__points",
"problem__group__full_name",
)
.distinct()
.annotate(points=Max("points"))
.order_by("problem__group__full_name", "problem__code")
)
def process_group(group, problems_iter):
problems = list(problems_iter)
points = sum(map(itemgetter("points"), problems))
return {"name": group, "problems": problems, "points": points}
context["best_submissions"] = [
process_group(group, problems)
for group, problems in itertools.groupby(
remap_keys(
result,
{
"problem__code": "code",
"problem__name": "name",
"problem__points": "total",
"problem__group__full_name": "group",
},
),
itemgetter("group"),
)
]
breakdown, has_more = get_pp_breakdown(self.object, start=0, end=10)
context["pp_breakdown"] = breakdown
context["pp_has_more"] = has_more
return context
class UserBookMarkPage(UserPage):
template_name = "user/user-bookmarks.html"
def get_context_data(self, **kwargs):
context = super(UserBookMarkPage, self).get_context_data(**kwargs)
bookmark_list = MakeBookMark.objects.filter(user=self.object)
context["blogs"] = bookmark_list.filter(bookmark__page__startswith="b")
context["problems"] = bookmark_list.filter(bookmark__page__startswith="p")
context["contests"] = bookmark_list.filter(bookmark__page__startswith="c")
context["solutions"] = bookmark_list.filter(bookmark__page__startswith="s")
return context
class UserPerformancePointsAjax(UserProblemsPage):
template_name = "user/pp-table-body.html"
def get_context_data(self, **kwargs):
context = super(UserPerformancePointsAjax, self).get_context_data(**kwargs)
try:
start = int(self.request.GET.get("start", 0))
end = int(self.request.GET.get("end", settings.DMOJ_PP_ENTRIES))
if start < 0 or end < 0 or start > end:
raise ValueError
except ValueError:
start, end = 0, 100
breakdown, self.has_more = get_pp_breakdown(self.object, start=start, end=end)
context["pp_breakdown"] = breakdown
return context
def get(self, request, *args, **kwargs):
httpresp = super(UserPerformancePointsAjax, self).get(request, *args, **kwargs)
httpresp.render()
return JsonResponse(
{
"results": utf8text(httpresp.content),
"has_more": self.has_more,
}
)
@login_required
def edit_profile(request):
profile = request.profile
profile_info, created = ProfileInfo.objects.get_or_create(profile=profile)
if request.method == "POST":
form_user = UserForm(request.POST, instance=request.user)
form = ProfileForm(
request.POST, request.FILES, instance=profile, user=request.user
)
form_info = ProfileInfoForm(request.POST, instance=profile_info)
if form_user.is_valid() and form.is_valid():
with revisions.create_revision():
form_user.save()
form.save()
form_info.save()
revisions.set_user(request.user)
revisions.set_comment(_("Updated on site"))
return HttpResponseRedirect(request.path)
else:
form_user = UserForm(instance=request.user)
form = ProfileForm(instance=profile, user=request.user)
form_info = ProfileInfoForm(instance=profile_info)
tzmap = settings.TIMEZONE_MAP
return render(
request,
"user/edit-profile.html",
{
"require_staff_2fa": settings.DMOJ_REQUIRE_STAFF_2FA,
"form_user": form_user,
"form": form,
"form_info": form_info,
"title": _("Edit profile"),
"profile": profile,
"TIMEZONE_MAP": tzmap or "http://momentjs.com/static/img/world.png",
"TIMEZONE_BG": settings.TIMEZONE_BG if tzmap else "#4E7CAD",
},
)
class UserList(QueryStringSortMixin, InfinitePaginationMixin, TitleMixin, ListView):
model = Profile
title = gettext_lazy("Leaderboard")
context_object_name = "users"
template_name = "user/list.html"
paginate_by = 100
all_sorts = frozenset(("points", "problem_count", "rating", "performance_points"))
default_desc = all_sorts
default_sort = "-performance_points"
filter_friend = False
def filter_friend_queryset(self, queryset):
friends = self.request.profile.get_friends()
ret = queryset.filter(id__in=friends)
return ret
def get_queryset(self):
queryset = (
Profile.objects.filter(is_unlisted=False)
.order_by(self.order, "id")
.only(
"display_rank",
"points",
"rating",
"performance_points",
"problem_count",
"about",
)
)
if self.request.organization:
queryset = queryset.filter(organizations=self.request.organization)
if (self.request.GET.get("friend") == "true") and self.request.profile:
queryset = self.filter_friend_queryset(queryset)
self.filter_friend = True
return queryset
def get_context_data(self, **kwargs):
context = super(UserList, self).get_context_data(**kwargs)
Profile.prefetch_profile_cache([u.id for u in context["users"]])
context["users"] = ranker(
context["users"], rank=self.paginate_by * (context["page_obj"].number - 1)
)
context["first_page_href"] = "."
context["page_type"] = "friends" if self.filter_friend else "list"
context.update(self.get_sort_context())
context.update(self.get_sort_paginate_context())
return context
user_list_view = UserList.as_view()
class FixedContestRanking(ContestRanking):
contest = None
def get_object(self, queryset=None):
return self.contest
def users(request):
if request.user.is_authenticated:
if request.in_contest_mode:
participation = request.profile.current_contest
contest = participation.contest
return FixedContestRanking.as_view(contest=contest)(
request, contest=contest.key
)
return user_list_view(request)
def user_ranking_redirect(request):
try:
username = request.GET["handle"]
except KeyError:
raise Http404()
user = get_object_or_404(Profile, user__username=username)
rank = Profile.objects.filter(
is_unlisted=False, performance_points__gt=user.performance_points
).count()
rank += Profile.objects.filter(
is_unlisted=False,
performance_points__exact=user.performance_points,
id__lt=user.id,
).count()
page = rank // UserList.paginate_by
return HttpResponseRedirect(
"%s%s#!%s"
% (reverse("user_list"), "?page=%d" % (page + 1) if page else "", username)
)
class UserLogoutView(TitleMixin, TemplateView):
template_name = "registration/logout.html"
title = "You have been successfully logged out."
def post(self, request, *args, **kwargs):
auth_logout(request)
return HttpResponseRedirect(request.get_full_path())
class ImportUsersView(TitleMixin, TemplateView):
template_name = "user/import/index.html"
title = _("Import Users")
def get(self, *args, **kwargs):
if self.request.user.is_superuser:
return super().get(self, *args, **kwargs)
return HttpResponseForbidden()
def import_users_post_file(request):
if not request.user.is_superuser or request.method != "POST":
return HttpResponseForbidden()
users = import_users.csv_to_dict(request.FILES["csv_file"])
if not users:
return JsonResponse(
{
"done": False,
"msg": "No valid row found. Make sure row containing username.",
}
)
table_html = render_to_string("user/import/table_csv.html", {"data": users})
return JsonResponse({"done": True, "html": table_html, "data": users})
def import_users_submit(request):
import json
if not request.user.is_superuser or request.method != "POST":
return HttpResponseForbidden()
users = json.loads(request.body)["users"]
log = import_users.import_users(users)
return JsonResponse({"msg": log})
def sample_import_users(request):
if not request.user.is_superuser or request.method != "GET":
return HttpResponseForbidden()
filename = "import_sample.csv"
content = ",".join(import_users.fields) + "\n" + ",".join(import_users.descriptions)
response = HttpResponse(content, content_type="text/plain")
response["Content-Disposition"] = "attachment; filename={0}".format(filename)
return response
def toggle_darkmode(request):
path = request.GET.get("next")
if not path:
return HttpResponseBadRequest()
request.session["darkmode"] = not request.session.get("darkmode", False)
return HttpResponseRedirect(path)
@login_required
def toggle_follow(request, user):
if request.method != "POST":
raise Http404()
profile_to_follow = get_object_or_404(Profile, user__username=user)
if request.profile.id == profile_to_follow.id:
raise Http404()
Friend.toggle_friend(request.profile, profile_to_follow)
return HttpResponseRedirect(reverse("user_page", args=(user,)))