Change lang stat page

dmoj/urls.py

@@ -886,27 +886,7 @@ urlpatterns = [
                     "^language/",
                     include(
                         [
-                            url("^$", stats.language, name="language_stats"),
+                            url("^$", stats.StatLanguage.as_view(), name="language_stats"),
-                            url(
-                                "^data/all/$",
-                                stats.language_data,
-                                name="language_stats_data_all",
-                            ),
-                            url(
-                                "^data/ac/$",
-                                stats.ac_language_data,
-                                name="language_stats_data_ac",
-                            ),
-                            url(
-                                "^data/status/$",
-                                stats.status_data,
-                                name="stats_data_status",
-                            ),
-                            url(
-                                "^data/ac_rate/$",
-                                stats.ac_rate,
-                                name="language_stats_data_ac_rate",
-                            ),
                         ]
                     ),
                 ),

judge/views/stats.py

@@ -1,5 +1,6 @@
 from itertools import chain, repeat
 from operator import itemgetter
+import json
 
 from django.conf import settings
 from django.db.models import Case, Count, FloatField, IntegerField, Value, When
@@ -7,6 +8,9 @@ from django.db.models.expressions import CombinedExpression
 from django.http import JsonResponse
 from django.shortcuts import render
 from django.utils.translation import gettext as _
+from django.http import Http404
+from django.views.generic import TemplateView
+from django.utils.safestring import mark_safe
 
 from judge.models import Language, Submission
 from judge.utils.stats import (
@@ -17,17 +21,24 @@ from judge.utils.stats import (
 )
 
 
+class StatViewBase(TemplateView):
+    def get(self, request, *args, **kwargs):
+        if not request.user.is_superuser:
+            raise Http404
+        return super().get(request, *args, **kwargs)
+
+
+class StatLanguage(StatViewBase):
+    template_name = "stats/language.html"
     ac_count = Count(
         Case(When(submission__result="AC", then=Value(1)), output_field=IntegerField())
     )
 
-
     def repeat_chain(iterable):
         return chain.from_iterable(repeat(iterable))
 
-
     def language_data(
-    request, language_count=Language.objects.annotate(count=Count("submission"))
+        self, language_count=Language.objects.annotate(count=Count("submission"))
     ):
         languages = (
             language_count.filter(count__gt=0)
@@ -37,8 +48,7 @@ def language_data(
         num_languages = min(len(languages), settings.DMOJ_STATS_LANGUAGE_THRESHOLD)
         other_count = sum(map(itemgetter("count"), languages[num_languages:]))
 
-    return JsonResponse(
+        return {
-        {
                 "labels": list(map(itemgetter("name"), languages[:num_languages]))
                 + ["Other"],
                 "datasets": [
@@ -50,16 +60,12 @@ def language_data(
                         + [other_count],
                     },
                 ],
-        },
+            }
-        safe=False,
-    )
 
+    def ac_language_data(self):
+        return self.language_data(Language.objects.annotate(count=self.ac_count))
 
-def ac_language_data(request):
+    def status_data(self, statuses=None):
-    return language_data(request, Language.objects.annotate(count=ac_count))
-
-
-def status_data(request, statuses=None):
         if not statuses:
             statuses = (
                 Submission.objects.values("result")
@@ -75,12 +81,12 @@ def status_data(request, statuses=None):
             count = status["count"]
             data.append((str(Submission.USER_DISPLAY_CODES[res]), count))
 
-    return JsonResponse(get_pie_chart(data), safe=False)
+        return get_pie_chart(data)
 
 
-def ac_rate(request):
+    def ac_rate(self):
         rate = CombinedExpression(
-        ac_count / Count("submission"), "*", Value(100.0), output_field=FloatField()
+            self.ac_count / Count("submission"), "*", Value(100.0), output_field=FloatField()
         )
         data = (
             Language.objects.annotate(total=Count("submission"), ac_rate=rate)
@@ -88,15 +94,15 @@ def ac_rate(request):
             .order_by("total")
             .values_list("name", "ac_rate")
         )
-    return JsonResponse(get_bar_chart(list(data)))
+        return get_bar_chart(list(data))
 
 
-def language(request):
+    def get_context_data(self, **kwargs):
-    return render(
+        context = super().get_context_data(**kwargs)
-        request,
+        context["title"] = _("Language statistics")
-        "stats/language.html",
+        context["tab"] = "language"
-        {
+        context["data_all"] = mark_safe(json.dumps(self.language_data()))
-            "title": _("Language statistics"),
+        context["lang_ac"] = mark_safe(json.dumps(self.ac_language_data()))
-            "tab": "language",
+        context["status_counts"] = mark_safe(json.dumps(self.status_data()))
-        },
+        context["ac_rate"] = mark_safe(json.dumps(self.ac_rate()))
-    )
+        return context

templates/stats/base.html

@@ -6,13 +6,10 @@
     {% endcompress %}
 {% endblock %}
 
-{% block content_title %}{{ _('Statistics') }}{% endblock %}
+{% block content_title %}{% endblock %}
+{% block title_ruler %}{% endblock %}
 
 {% block body %}
-    <div class="tabs">
+    {% include "stats/tab.html" %}
-        <li{% if tab == 'language' %} class="active"{% endif %}>
-            <a href="{{ url('language_stats') }}">{{ _('Language') }}</a>
-        </li>
-    </div>
     {% block chart_body %}{% endblock %}
 {% endblock %}

templates/stats/language.html

@@ -36,20 +36,10 @@
                 Chart.defaults.global.tooltipFontFamily =
                     Chart.defaults.global.tooltipTitleFontFamily =
                         $('body').css('font-family');
-
+            draw_pie_chart({{ data_all }}, $('#lang-all'));
-            function pie_chart(url, $chart) {
+            draw_pie_chart({{ lang_ac }}, $('#lang-ac'));
-                $.getJSON(url, function (data) {
+            draw_pie_chart({{ status_counts }}, $('#status-counts'));
-                    draw_pie_chart(data, $chart);
+            draw_bar_chart({{ ac_rate }}, $('#ac-rate'));
-                });
-            }
-
-            pie_chart('{{ url('language_stats_data_all') }}', $('#lang-all'));
-            pie_chart('{{ url('language_stats_data_ac') }}', $('#lang-ac'));
-            pie_chart('{{ url('stats_data_status') }}', $('#status-counts'));
-
-            $.getJSON('{{ url('language_stats_data_ac_rate') }}', function (data) {
-                draw_bar_chart(data, $('#ac-rate'));
-            });
         });
     </script>
 {% endblock %}

templates/stats/tab.html

@@ -0,0 +1,5 @@
+{% extends "tabs-base.html" %}
+
+{% block tabs %}
+    {{ make_tab('language', 'fa-list', url('language_stats'), _('Language')) }}
+{% endblock %}