GP Ranking (#90)

dmoj/urls.py

@@ -517,6 +517,11 @@ urlpatterns = [
         ),
     ),
     url(r"^contests/", paged_list_view(contests.ContestList, "contest_list")),
+    url(
+        r"^contests/summary/(?P<key>\w+)$",
+        contests.contests_summary_view,
+        name="contests_summary",
+    ),
     url(r"^course/", paged_list_view(course.CourseList, "course_list")),
     url(
         r"^contests/(?P<year>\d+)/(?P<month>\d+)/$",

judge/admin/__init__.py

@@ -3,7 +3,12 @@ from django.contrib.admin.models import LogEntry
 from django.contrib.auth.models import User
 
 from judge.admin.comments import CommentAdmin
-from judge.admin.contest import ContestAdmin, ContestParticipationAdmin, ContestTagAdmin
+from judge.admin.contest import (
+    ContestAdmin,
+    ContestParticipationAdmin,
+    ContestTagAdmin,
+    ContestsSummaryAdmin,
+)
 from judge.admin.interface import (
     BlogPostAdmin,
     LicenseAdmin,
@@ -41,6 +46,7 @@ from judge.models import (
     Ticket,
     VolunteerProblemVote,
     Course,
+    ContestsSummary,
 )
 
 
@@ -69,3 +75,4 @@ admin.site.register(VolunteerProblemVote, VolunteerProblemVoteAdmin)
 admin.site.register(Course)
 admin.site.unregister(User)
 admin.site.register(User, UserAdmin)
+admin.site.register(ContestsSummary, ContestsSummaryAdmin)

judge/admin/contest.py

@@ -502,3 +502,19 @@ class ContestParticipationAdmin(admin.ModelAdmin):
 
     show_virtual.short_description = _("virtual")
     show_virtual.admin_order_field = "virtual"
+
+
+class ContestsSummaryForm(ModelForm):
+    class Meta:
+        widgets = {
+            "contests": AdminHeavySelect2MultipleWidget(
+                data_view="contest_select2", attrs={"style": "width: 100%"}
+            ),
+        }
+
+
+class ContestsSummaryAdmin(admin.ModelAdmin):
+    fields = ("key", "contests", "scores")
+    list_display = ("key",)
+    search_fields = ("key", "contests__key")
+    form = ContestsSummaryForm

judge/caching.py

@@ -1,6 +1,7 @@
 from inspect import signature
 from django.core.cache import cache
 from django.db.models.query import QuerySet
+from django.core.handlers.wsgi import WSGIRequest
 
 import hashlib
 
@@ -18,10 +19,14 @@ def cache_wrapper(prefix, timeout=None):
             return str(arg)[:MAX_NUM_CHAR]
         return str(arg)
 
+    def filter_args(args_list):
+        return [x for x in args_list if not isinstance(x, WSGIRequest)]
+
     def get_key(func, *args, **kwargs):
         args_list = list(args)
         signature_args = list(signature(func).parameters.keys())
         args_list += [kwargs.get(k) for k in signature_args[len(args) :]]
+        args_list = filter_args(args_list)
         args_list = [arg_to_str(i) for i in args_list]
         key = prefix + ":" + ":".join(args_list)
         key = key.replace(" ", "_")

judge/migrations/0170_contests_summary.py

@@ -0,0 +1,30 @@
+# Generated by Django 3.2.21 on 2023-10-02 03:25
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("judge", "0169_public_scoreboard"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="ContestsSummary",
+            fields=[
+                (
+                    "id",
+                    models.AutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("scores", models.JSONField(blank=True, null=True)),
+                ("key", models.CharField(max_length=20, unique=True)),
+                ("contests", models.ManyToManyField(to="judge.Contest")),
+            ],
+        ),
+    ]

judge/models/__init__.py

@@ -16,6 +16,7 @@ from judge.models.contest import (
     ContestTag,
     Rating,
     ContestProblemClarification,
+    ContestsSummary,
 )
 from judge.models.interface import BlogPost, MiscConfig, NavigationBar, validate_regex
 from judge.models.message import PrivateMessage, PrivateMessageThread

judge/models/contest.py

@@ -33,6 +33,7 @@ __all__ = [
     "ContestSubmission",
     "Rating",
     "ContestProblemClarification",
+    "ContestsSummary",
 ]
 
 
@@ -900,3 +901,24 @@ class ContestProblemClarification(models.Model):
     date = models.DateTimeField(
         verbose_name=_("clarification timestamp"), auto_now_add=True
     )
+
+
+class ContestsSummary(models.Model):
+    contests = models.ManyToManyField(
+        Contest,
+    )
+    scores = models.JSONField(
+        null=True,
+        blank=True,
+    )
+    key = models.CharField(
+        max_length=20,
+        unique=True,
+    )
+
+    class Meta:
+        verbose_name = _("contests summary")
+        verbose_name_plural = _("contests summaries")
+
+    def __str__(self):
+        return self.key

judge/views/contests.py

@@ -27,6 +27,8 @@ from django.db.models import (
     Value,
     When,
 )
+from django.db.models.signals import post_save, post_delete
+from django.dispatch import receiver
 from django.db.models.expressions import CombinedExpression
 from django.http import (
     Http404,
@@ -67,6 +69,7 @@ from judge.models import (
     Profile,
     Submission,
     ContestProblemClarification,
+    ContestsSummary,
 )
 from judge.tasks import run_moss
 from judge.utils.celery import redirect_to_task_status
@@ -1380,3 +1383,65 @@ def update_contest_mode(request):
     old_mode = request.session.get("contest_mode", True)
     request.session["contest_mode"] = not old_mode
     return HttpResponse()
+
+
+ContestsSummaryData = namedtuple(
+    "ContestsSummaryData",
+    "user points point_contests css_class",
+)
+
+
+def contests_summary_view(request, key):
+    try:
+        contests_summary = ContestsSummary.objects.get(key=key)
+    except:
+        raise Http404()
+
+    cache_key = "csv:" + key
+    context = cache.get(cache_key)
+    if context:
+        return render(request, "contest/contests_summary.html", context)
+
+    scores_system = contests_summary.scores
+    contests = contests_summary.contests.all()
+    total_points = defaultdict(int)
+    result_per_contest = defaultdict(lambda: [(0, 0)] * len(contests))
+    user_css_class = {}
+
+    for i in range(len(contests)):
+        contest = contests[i]
+        users, problems = get_contest_ranking_list(request, contest)
+        for rank, user in users:
+            curr_score = 0
+            if rank - 1 < len(scores_system):
+                curr_score = scores_system[rank - 1]
+            total_points[user.user] += curr_score
+            result_per_contest[user.user][i] = (curr_score, rank)
+            user_css_class[user.user] = user.css_class
+
+    sorted_total_points = [
+        ContestsSummaryData(
+            user=user,
+            points=total_points[user],
+            point_contests=result_per_contest[user],
+            css_class=user_css_class[user],
+        )
+        for user in total_points
+    ]
+
+    sorted_total_points.sort(key=lambda x: x.points, reverse=True)
+    total_rank = ranker(sorted_total_points)
+
+    context = {
+        "total_rank": list(total_rank),
+        "title": _("Contests Summary"),
+        "contests": contests,
+    }
+    cache.set(cache_key, context)
+
+    return render(request, "contest/contests_summary.html", context)
+
+
+@receiver([post_save, post_delete], sender=ContestsSummary)
+def clear_cache(sender, instance, **kwargs):
+    cache.delete("csv:" + instance.key)

templates/contest/contests_summary.html

@@ -0,0 +1,71 @@
+{% extends "base.html" %}
+
+{% block title_row %}{% endblock %}
+{% block title_ruler %}{% endblock %}
+
+{% block media %}
+  <style>
+    table {
+      width: 100%;
+      border-collapse: collapse;
+      border: 1px solid #ddd;
+      font-size: 1em;
+    }
+
+    th, td {
+      padding: 12px 15px;
+      border: 1px solid #595656;
+      padding: 15px;
+      text-align: center;
+    }
+
+    th {
+      font-size: 15px;
+    }
+
+    tr:hover {
+      cursor: pointer;
+    }
+  </style>
+{% endblock %}
+
+{% block body %}
+  <table class="table" id="users-table">
+    <thead>
+      <tr>
+        <th>{{_('Rank')}}</th>
+        <th>{{_('Name')}}</th>
+        {% for contest in contests %}
+          <th><a href="{{url('contest_view', contest.key)}}" title="{{contest.name}}">{{ loop.index }}</a></th>
+        {% endfor %}
+        <th>{{_('Points')}}</th>
+      </tr>
+    </thead>
+    <tbody>
+      {% for rank, item in total_rank %}
+        <tr>
+          <td>
+            {{ rank }}
+          </td>
+          <td>
+            <div>
+              <span class="username {{ item.css_class }} wrapline" href="{{url('user_page', item.user.username)}}" >{{item.user.username}}</span>
+            </div>
+            <div>{{item.user.first_name}}</div>
+          </td>
+          {% for point_contest, rank_contest in item.point_contests %}
+            <td>
+              <div>{{ point_contest }}</div>
+              {% if rank_contest %}
+                <div><small>(#{{ rank_contest }})</small></div>
+              {% endif %}
+            </td>
+          {% endfor %}
+          <td>
+            <b>{{ item.points }}</b>
+          </td>
+        </tr>
+      {% endfor %}
+    </tbody>
+  </table>
+{% endblock %}