Create contest monitoring page

oioioi/statistics/templates/statistics/_attachments_info.html

@@ -0,0 +1,24 @@
+{% load i18n pagination_tags %}
+<div class="table-responsive-md">
+    <h4> {% trans "Attachments" %} </h4>
+    <table class="table table-sm table-bordered">
+        <thead>
+        <tr>
+            <th> {% trans "Description" %} </th>
+            <th> {% trans "Round" %} </th>
+            <th> {% trans "Publication date" %} </th>
+            <th> {% trans "Time left to publication" %} </th>
+        </tr>
+        </thead>
+        <tbody>
+        {% for attachment in attachments %}
+            <tr>
+                <td>{{ attachment.description }}</td>
+                <td>{{ attachment.round }}</td>
+                <td>{{ attachment.pub_date }}</td>
+                <td>{{ attachment.pub_date_relative }}</td>
+            </tr>
+        {% endfor %}
+        </tbody>
+    </table>
+</div>

oioioi/statistics/templates/statistics/_general_info.html

@@ -0,0 +1,32 @@
+{% load i18n pagination_tags %}
+{% if rounds_times %}
+<div class="table-responsive-md">
+    <h4> {% trans "General info" %} </h4>
+    <table class="table table-sm table-bordered">
+        <thead>
+            <tr>
+                <th> {% trans "Name" %} </th>
+                <th> {% trans "Value" %} </th>
+            </tr>
+        </thead>
+    <tbody>
+        <tr>
+            <td>Queued jobs in this contest</td>
+            <td>{{ q_size }}</td>
+        </tr>
+        <tr>
+            <td>Queued jobs on this server</td>
+            <td>{{ q_size_global }}</td>
+        </tr>
+        <tr>
+            <td>Unanswered questions</td>
+            <td>{{ unanswered_questions }}</td>
+        </tr>
+        <tr>
+            <td>Oldest unanswered question</td>
+            <td>{{ oldest_unanswered_question }}</td>
+        </tr>
+    </tbody>
+    </table>
+</div>
+{% endif %}

oioioi/statistics/templates/statistics/_permissions_info.html

@@ -0,0 +1,20 @@
+{% load i18n pagination_tags %}
+<div class="table-responsive-md">
+    <h4> {% trans "Permissions" %} </h4>
+    <table class="table table-sm table-bordered">
+        <thead>
+        <tr>
+            <th> {% trans "Permission" %} </th>
+            <th> {% trans "Count" %} </th>
+        </tr>
+        </thead>
+        <tbody>
+        {% for permission, count in permissions_count.items %}
+            <tr>
+                <td>{{ permission }}</td>
+                <td>{{ count }}</td>
+            </tr>
+        {% endfor %}
+        </tbody>
+    </table>
+</div>

oioioi/statistics/templates/statistics/_rounds_info.html

@@ -0,0 +1,28 @@
+{% load i18n pagination_tags %}
+{% if rounds_times %}
+<div class="table-responsive-md">
+    <h4> {% trans "Rounds" %} </h4>
+    <table class="table table-sm table-bordered">
+        <thead>
+            <tr>
+                <th> {% trans "Round" %} </th>
+                <th> {% trans "Start time" %} </th>
+                <th> {% trans "Time left to start" %} </th>
+                <th> {% trans "End time" %} </th>
+                <th> {% trans "Time left to end" %} </th>
+            </tr>
+        </thead>
+    <tbody>
+        {% for round_info in rounds_times%}
+            <tr>
+                <td>{{ round_info.name }}</td>
+                <td>{{ round_info.start }}</td>
+                <td>{{ round_info.start_relative }}</td>
+                <td>{{ round_info.end }}</td>
+                <td>{{ round_info.end_relative }}</td>
+            </tr>
+        {% endfor %}
+    </tbody>
+    </table>
+</div>
+{% endif %}

oioioi/statistics/templates/statistics/_submissions_info.html

@@ -0,0 +1,22 @@
+{% load i18n pagination_tags %}
+{% if rounds_times %}
+<div class="table-responsive-md">
+    <h4> {% trans "Submission types" %} </h4>
+    <table class="table table-sm table-bordered">
+        <thead>
+            <tr>
+                <th> {% trans "Kind" %} </th>
+                <th> {% trans "Count" %} </th>
+            </tr>
+        </thead>
+    <tbody>
+        {% for submission_info in submissions_info %}
+        <tr>
+            <td>{{ submission_info.kind }}</td>
+            <td>{{ submission_info.total }}</td>
+        </tr>
+        {% endfor %}
+    </tbody>
+    </table>
+</div>
+{% endif %}

oioioi/statistics/templates/statistics/monitoring.html

@@ -0,0 +1,28 @@
+{% extends "base-with-menu.html" %}
+{% load i18n pagination_tags %}
+
+{% block title %}{% trans "Monitoring" %}{% endblock %}
+
+{% block main-content %}
+    {{ head|safe }}
+
+    <div class="row">
+        <div class="col col-sm">
+            {% include "statistics/_general_info.html" %}
+        </div>
+        <div class="col col-sm">
+            {% include "statistics/_submissions_info.html" %}
+        </div>
+        <div class="col col-sm">
+            {% include "statistics/_attachments_info.html" %}
+        </div>
+    </div>
+    <div class="row">
+        <div class="col col-sm">
+            {% include "statistics/_permissions_info.html" %}
+        </div>
+        <div class="col col-8">
+            {% include "statistics/_rounds_info.html" %}
+        </div>
+    </div>
+{% endblock %}

oioioi/statistics/urls.py

@@ -16,4 +16,5 @@
         name='statistics_view_without_object',
     ),
     re_path(r'^stat/$', views.statistics_view, name='statistics_main'),
+    re_path(r'^monitoring/$', views.monitoring_view, name='monitoring'),
 ]

oioioi/statistics/views.py

@@ -1,20 +1,29 @@
+from datetime import datetime
+from pprint import pprint
+
 from django.core.exceptions import PermissionDenied
+from django.db.models import Count
 from django.http import Http404
 from django.template.response import TemplateResponse
 from django.urls import reverse
 from django.utils.translation import gettext_lazy as _
+from pytz import UTC
 
 from oioioi.base.menu import menu_registry
 from oioioi.base.permissions import enforce_condition
 from oioioi.contests.menu import contest_admin_menu_registry
-from oioioi.contests.models import ProblemInstance
+from oioioi.contests.models import ProblemInstance, ContestPermission, contest_permissions, ContestAttachment, \
+    Submission
 from oioioi.contests.utils import (
     can_enter_contest,
     contest_exists,
     is_contest_admin,
-    is_contest_observer,
+    is_contest_observer, rounds_times,
 )
+from oioioi.participants.models import Participant
+from oioioi.questions.models import Message
 from oioioi.statistics.controllers import statistics_categories
+from oioioi.evalmgr.models import QueuedJob
 from oioioi.statistics.utils import any_statistics_avaiable, can_see_stats, render_head
 
 
@@ -116,3 +125,76 @@ def statistics_view(
             'links': links(request),
         },
     )
+
+
+@contest_admin_menu_registry.register_decorator(
+    _("Monitoring"),
+    lambda request: reverse(
+        'monitoring', kwargs={'contest_id': request.contest.id}
+    ),
+    condition=(is_contest_admin | is_contest_observer),
+    order=110,
+)
+@enforce_condition(
+    contest_exists & can_enter_contest & can_see_stats
+)
+def monitoring_view(request):
+    cur_time = UTC.localize(datetime.now())
+    r_times = []
+    for round_, rt in rounds_times(request, request.contest).items():
+        round_time_info = {'name': str(round_)}
+        round_time_info['start'] = rt.start or _("Not set")
+        if rt.start:
+            round_time_info['start_relative'] = str(rt.start - cur_time)[:-7] if rt.is_future(cur_time) else _("Started")
+        else:
+            round_time_info['start_relative'] = _("Not set")
+        round_time_info['end'] = rt.end or _("Not set")
+        if rt.end:
+            round_time_info['end_relative'] = str(rt.end - cur_time)[:-7] if not rt.is_past(cur_time) else _("Finished")
+        else:
+            round_time_info['end_relative'] = _("Not set")
+        r_times.append(round_time_info)
+
+    permissions_count = {
+        permission_name: (ContestPermission
+                          .objects
+                          .filter(contest_id=request.contest.id, permission=permission_cls)
+                          .count())
+        for permission_cls, permission_name in contest_permissions
+    }
+    permissions_count['Participant'] = Participant.objects.filter(contest_id=request.contest.id).count()
+    q_size = (QueuedJob.objects
+                .filter(submission__problem_instance__contest=request.contest)
+                .count())
+    q_size_global = (QueuedJob.objects
+                .count())
+
+    attachments = ContestAttachment.objects.filter(contest_id=request.contest.id).order_by('id')
+    for attachment in attachments:
+        pub_date_relative = None
+        if attachment.pub_date:
+            pub_date_relative = str(attachment.pub_date - cur_time)[:-7] if attachment.pub_date > cur_time else _("Published")
+        setattr(attachment, 'pub_date_relative', pub_date_relative)
+    unanswered_questions = (Message.objects.filter(kind='QUESTION', message=None, contest=request.contest).count())
+    oldest_unanswered_question = (Message.objects.filter(kind='QUESTION', message=None, contest=request.contest)
+                                  .order_by('pub_date').first())
+    oldest_unanswered_question_date = oldest_unanswered_question.date if oldest_unanswered_question else None
+
+    submissions_info = Submission.objects.filter(problem_instance__contest=request.contest).values('kind').annotate(total=Count('kind')).order_by()
+
+    return TemplateResponse(
+        request,
+        'statistics/monitoring.html',
+        {
+            'title': _("Monitoring"),
+            'rounds_times': r_times,
+            'permissions_count': permissions_count,
+            'links': links(request),
+            'q_size': q_size,
+            'q_size_global': q_size_global,
+            'attachments': attachments,
+            'unanswered_questions': unanswered_questions,
+            'oldest_unanswered_question': oldest_unanswered_question_date,
+            'submissions_info': submissions_info
+        },
+    )