From 50f506cd93d95ac5c2a79597866ad5c3345b6aed Mon Sep 17 00:00:00 2001
From: cuom1999 <lephuocdinh99@gmail.com>
Date: Thu, 11 Feb 2021 13:58:41 -0600
Subject: [PATCH 1/6] Fix float precision in contest ranking

---
 judge/views/contests.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/judge/views/contests.py b/judge/views/contests.py
index 2ab511d..ba88d74 100644
--- a/judge/views/contests.py
+++ b/judge/views/contests.py
@@ -593,7 +593,8 @@ def base_contest_ranking_list(contest, problems, queryset):
 def contest_ranking_list(contest, problems):
     return base_contest_ranking_list(contest, problems, contest.users.filter(virtual=0, user__is_unlisted=False)
                                      .prefetch_related('user__organizations')
-                                     .order_by('is_disqualified', '-score', 'cumtime'))
+                                     .extra(select={'round_score': 'round(score, 6)'})
+                                     .order_by('is_disqualified', '-round_score', 'cumtime'))
 
 
 def get_contest_ranking_list(request, contest, participation=None, ranking_list=contest_ranking_list,

From f7fd4cae500f737cfac82efe6f55754c9b036ee6 Mon Sep 17 00:00:00 2001
From: cuom1999 <lephuocdinh99@gmail.com>
Date: Thu, 18 Feb 2021 23:32:54 -0600
Subject: [PATCH 2/6] Add toggle button for ongoing contests

---
 templates/contest/list.html | 102 +++++++++++++++++++++++++-----------
 1 file changed, 70 insertions(+), 32 deletions(-)

diff --git a/templates/contest/list.html b/templates/contest/list.html
index 51117a6..791cb54 100644
--- a/templates/contest/list.html
+++ b/templates/contest/list.html
@@ -14,6 +14,18 @@
         .content-description ul {
             padding: 0 !important;
         }
+
+        .btn-contest {
+            display: inline-block;
+            padding: 1px 6px;
+        }
+
+        {% if page_obj and page_obj.number > 1%}
+        #ongoing-table {
+            display: none;
+        }
+        {% endif %}
+
     </style>
 {% endblock %}
 
@@ -32,6 +44,21 @@
                     '{{ _('Joining a contest for the first time starts your timer, after which it becomes unstoppable.') }}');
             });
 
+            function makeToggleBtn(btn, divElement) {
+                btn.click(function() {
+                    divElement.toggle(300);
+
+                    if (btn.html().trim() === '{{ _('Hide')}}') {
+                        btn.html('{{ _('Show')}}');
+                    }
+                    else {
+                        btn.html('{{ _('Hide')}}');   
+                    }
+                });
+            }
+
+            makeToggleBtn($("#ongoing-btn"), $("#ongoing-table"));
+
             // var tooltip_classes = 'tooltipped tooltipped-e';
             //
             // $('.contest-tag').each(function () {
@@ -187,41 +214,52 @@
         {% endif %}
 
         {% if current_contests %}
-            <h4>{{ _('Ongoing Contests') }}</h4>
-            <table class="contest-list table striped">
-                <thead>
-                <tr>
-                    <th style="width:90%">{{ _('Contest') }}</th>
-                    <th>{{ _('Users') }}</th>
-                    {% if not request.in_contest %}
-                        <th style="width:15%"></th>
+            <h4>
+                {{ _('Ongoing Contests') }} 
+                <button class="btn-contest" id="ongoing-btn">
+                    {% if page_obj and page_obj.number > 1%}
+                    {{_('Show')}}
+                    {% else %}
+                    {{_('Hide')}}
                     {% endif %}
-                </tr>
-                </thead>
-                <tbody>
-                {% for contest in current_contests %}
+                </button>
+            </h4>
+            <div id="ongoing-table">
+                <table class="contest-list table striped">
+                    <thead>
                     <tr>
-                        <td>
-                            <div class="contest-block">
-                                {{ contest_head(contest) }}
-                                {% if contest.start_time %}
-                                    <br>
-                                    {% if contest.time_before_end %}
-                                        <span class="time">{{ _('Ends in %(countdown)s', countdown=contest.time_before_end|as_countdown) }}</span>
-                                    {% endif %}
-                                    {{ time_left(contest) }}
-                                {% endif %}
-                            </div>
-                        </td>
-                        <td>
-                            {{ user_count(contest, request.user) }}
-                        </td>
-                        {{ contest_join(contest, request) }}
+                        <th style="width:90%">{{ _('Contest') }}</th>
+                        <th>{{ _('Users') }}</th>
+                        {% if not request.in_contest %}
+                            <th style="width:15%"></th>
+                        {% endif %}
                     </tr>
-                {% endfor %}
-                </tbody>
-            </table>
-            <br>
+                    </thead>
+                    <tbody>
+                    {% for contest in current_contests %}
+                        <tr>
+                            <td>
+                                <div class="contest-block">
+                                    {{ contest_head(contest) }}
+                                    {% if contest.start_time %}
+                                        <br>
+                                        {% if contest.time_before_end %}
+                                            <span class="time">{{ _('Ends in %(countdown)s', countdown=contest.time_before_end|as_countdown) }}</span>
+                                        {% endif %}
+                                        {{ time_left(contest) }}
+                                    {% endif %}
+                                </div>
+                            </td>
+                            <td>
+                                {{ user_count(contest, request.user) }}
+                            </td>
+                            {{ contest_join(contest, request) }}
+                        </tr>
+                    {% endfor %}
+                    </tbody>
+                </table>
+                <br>
+            </div>
         {% endif %}
 
         <h4>{{ _('Upcoming Contests') }}</h4>

From 628a3680d40ea87c7a177777cc173b5283ee5ded Mon Sep 17 00:00:00 2001
From: cuom1999 <lephuocdinh99@gmail.com>
Date: Fri, 19 Feb 2021 02:02:12 -0600
Subject: [PATCH 3/6] Add contest search

---
 judge/views/contests.py     | 29 +++++++++++++++++--
 templates/contest/list.html | 57 +++++++++++++++++++++++++++++++++++++
 2 files changed, 84 insertions(+), 2 deletions(-)

diff --git a/judge/views/contests.py b/judge/views/contests.py
index ba88d74..e95f1f4 100644
--- a/judge/views/contests.py
+++ b/judge/views/contests.py
@@ -31,7 +31,7 @@ from judge import event_poster as event
 from judge.comments import CommentedDetailView
 from judge.forms import ContestCloneForm
 from judge.models import Contest, ContestMoss, ContestParticipation, ContestProblem, ContestTag, \
-    Problem, Profile, Submission
+    Organization, Problem, Profile, Submission
 from judge.tasks import run_moss
 from judge.utils.celery import redirect_to_task_status
 from judge.utils.opengraph import generate_opengraph
@@ -86,9 +86,31 @@ class ContestList(DiggPaginatorMixin, TitleMixin, ContestListMixin, ListView):
     def _now(self):
         return timezone.now()
 
+    def get(self, request, *args, **kwargs):
+        self.contest_query = None
+        self.org_query = []
+
+        if 'orgs' in self.request.GET:
+            try:
+                self.org_query = list(map(int, request.GET.getlist('orgs')))
+            except ValueError:
+                pass
+
+        return super(ContestList, self).get(request, *args, **kwargs)
+
     def _get_queryset(self):
-        return super(ContestList, self).get_queryset() \
+        queryset = super(ContestList, self).get_queryset() \
             .order_by('-start_time', 'key').prefetch_related('tags', 'organizations', 'organizers')
+        
+        if 'contest' in self.request.GET:
+            self.contest_query = query = ' '.join(self.request.GET.getlist('contest')).strip()
+            if query:
+                queryset = queryset.filter(
+                        Q(key__icontains=query) | Q(name__icontains=query))
+        if self.org_query:
+            queryset = queryset.filter(organizations__in=self.org_query)
+
+        return queryset
 
     def get_queryset(self):
         return self._get_queryset().filter(end_time__lt=self._now)
@@ -117,6 +139,9 @@ class ContestList(DiggPaginatorMixin, TitleMixin, ContestListMixin, ListView):
         context['future_contests'] = future
         context['now'] = self._now
         context['first_page_href'] = '.'
+        context['contest_query'] = self.contest_query
+        context['org_query'] = self.org_query
+        context['organizations'] = Organization.objects.all()
         return context
 
 
diff --git a/templates/contest/list.html b/templates/contest/list.html
index 791cb54..f10b067 100644
--- a/templates/contest/list.html
+++ b/templates/contest/list.html
@@ -26,6 +26,46 @@
         }
         {% endif %}
 
+        @media (max-width: 500px) {
+            #search-contest, #search-org, #search-btn {
+                width: 100%;
+                margin-bottom: 0.5em;
+            }
+            #search-contest {
+                height: 2.5em;
+            }
+            #search-btn {
+                margin-top: 0.5em;
+            }
+            #filter-form input {
+                padding-left: 8px;
+            }
+        }
+
+        @media (min-width: 500px) {
+            #filter-form input {
+                margin: 0 0.5em 0 0!important;
+                padding-left: 8px;
+                padding-top: 8px;
+            }
+            #search-contest {
+                width: 30%;
+                height: 2.3em;
+                margin-right: 1em;
+                margin-bottom: 0;
+                padding-top: 4px !important;
+            }
+
+            #search-org {
+                width: 40%;
+            }
+
+            #search-btn {
+                display: inline-block;
+                height: 2.3em;
+                margin-left: 0.5em;
+            }
+        }
     </style>
 {% endblock %}
 
@@ -59,6 +99,9 @@
 
             makeToggleBtn($("#ongoing-btn"), $("#ongoing-table"));
 
+            $('#search-org').select2({multiple: 1, placeholder: '{{ _('Organizations...') }}'})
+                    .css({'visibility': 'visible'});
+
             // var tooltip_classes = 'tooltipped tooltipped-e';
             //
             // $('.contest-tag').each(function () {
@@ -171,6 +214,20 @@
 
 {% block body %}
     <div class="content-description">
+        
+        <form id="filter-form">
+            <input id="search-contest" type="text" name="contest" value="{{ contest_query or '' }}"
+                   placeholder="{{ _('Search contests...') }}">
+
+            <select id="search-org" name="orgs" multiple>
+                {% for org in organizations %}
+                    <option value="{{ org.id }}"{% if org.id in org_query %} selected{% endif %}>
+                        {{ org.name }}
+                    </option>
+                {% endfor %}
+            </select>
+            <button id="search-btn"> {{ _('Search')}} </button>
+        </form>
         {% if active_participations %}
             <h4>{{ _('Active Contests') }}</h4>
             <table class="contest-list table striped">

From 7ae01bde13b7783c49781fcac1bb378aac81ed7a Mon Sep 17 00:00:00 2001
From: cuom1999 <lephuocdinh99@gmail.com>
Date: Fri, 19 Feb 2021 03:52:44 -0600
Subject: [PATCH 4/6] Change 502.html

---
 502.html | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/502.html b/502.html
index 4eb512a..98f4dbb 100644
--- a/502.html
+++ b/502.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-    <title>502 bad gateway - DMOJ</title>
+    <title>502 bad gateway - LQDOJ</title>
     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
     <style type="text/css">
         hr {
@@ -49,14 +49,10 @@
         <br>
         <div class="popup">
             <div>
-                <img class="logo" src="logo.png" alt="DMOJ">
+                <img class="logo" src="logo.png" alt="LQDOJ">
             </div>
             <h1 style="width: 100%;">Oops, LQDOJ is down now.</h1>
         </div>
-        <br>
-        <hr>
-        <br>
-        <h2 class="msg">But don't worry, we'll be back soon. <br> In the free time, you can read my idol's codes <a href="http://codeforces.com/profile/cuom1999" style="color:red; text-decoration:none">cuom1999</a></h2>
     </div>
 </body>
 </html>

From 5a892f5a1732f77aa61cbae2cad7f40c1cfada04 Mon Sep 17 00:00:00 2001
From: cuom1999 <lephuocdinh99@gmail.com>
Date: Fri, 19 Feb 2021 18:58:29 -0600
Subject: [PATCH 5/6] Add page_suffix to contest search

---
 judge/views/contests.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/judge/views/contests.py b/judge/views/contests.py
index e95f1f4..b68f137 100644
--- a/judge/views/contests.py
+++ b/judge/views/contests.py
@@ -81,7 +81,8 @@ class ContestList(DiggPaginatorMixin, TitleMixin, ContestListMixin, ListView):
     template_name = 'contest/list.html'
     title = gettext_lazy('Contests')
     context_object_name = 'past_contests'
-
+    first_page_href = None
+    
     @cached_property
     def _now(self):
         return timezone.now()
@@ -142,6 +143,9 @@ class ContestList(DiggPaginatorMixin, TitleMixin, ContestListMixin, ListView):
         context['contest_query'] = self.contest_query
         context['org_query'] = self.org_query
         context['organizations'] = Organization.objects.all()
+        context['page_suffix'] = suffix = (
+            '?' + self.request.GET.urlencode()) if self.request.GET else ''
+        context['first_page_href'] = (self.first_page_href or '.') + suffix
         return context
 
 

From ffb6797c64a7e47c6af5a9d49ba175356d81d2cf Mon Sep 17 00:00:00 2001
From: cuom1999 <lephuocdinh99@gmail.com>
Date: Sat, 20 Feb 2021 01:36:16 -0600
Subject: [PATCH 6/6] Add organization to problem search

---
 judge/views/problem.py             | 15 ++++++++++++++-
 templates/problem/list.html        | 12 +++++++++---
 templates/problem/search-form.html | 11 +++++++++++
 3 files changed, 34 insertions(+), 4 deletions(-)

diff --git a/judge/views/problem.py b/judge/views/problem.py
index a366ef5..fbb2721 100644
--- a/judge/views/problem.py
+++ b/judge/views/problem.py
@@ -29,7 +29,7 @@ from judge.comments import CommentedDetailView
 from judge.forms import ProblemCloneForm, ProblemSubmitForm
 from judge.models import ContestProblem, ContestSubmission, Judge, Language, Problem, ProblemGroup, \
     ProblemTranslation, ProblemType, RuntimeVersion, Solution, Submission, SubmissionSource, \
-    TranslatedProblemForeignKeyQuerySet
+    TranslatedProblemForeignKeyQuerySet, Organization
 from judge.pdf_problems import DefaultPdfMaker, HAS_PDF
 from judge.utils.diggpaginator import DiggPaginator
 from judge.utils.opengraph import generate_opengraph
@@ -374,6 +374,10 @@ class ProblemList(QueryStringSortMixin, TitleMixin, SolvedProblemMixin, ListView
         if self.profile is not None and self.hide_solved:
             queryset = queryset.exclude(id__in=Submission.objects.filter(user=self.profile, points=F('problem__points'))
                                         .values_list('problem__id', flat=True))
+        if self.org_query:
+            queryset = queryset.filter(
+                Q(organizations__in=self.org_query) |
+                Q(contests__contest__organizations__in=self.org_query))
         if self.show_types:
             queryset = queryset.prefetch_related('types')
         if self.category is not None:
@@ -414,12 +418,14 @@ class ProblemList(QueryStringSortMixin, TitleMixin, SolvedProblemMixin, ListView
         context['full_text'] = 0 if self.in_contest else int(self.full_text)
         context['show_editorial'] = 0 if self.in_contest else int(self.show_editorial)
 
+        context['organizations'] = Organization.objects.all()
         context['category'] = self.category
         context['categories'] = ProblemGroup.objects.all()
         if self.show_types:
             context['selected_types'] = self.selected_types
             context['problem_types'] = ProblemType.objects.all()
         context['has_fts'] = settings.ENABLE_FTS
+        context['org_query'] = self.org_query
         context['search_query'] = self.search_query
         context['completed_problem_ids'] = self.get_completed_problems()
         context['attempted_problems'] = self.get_attempted_problems()
@@ -467,6 +473,7 @@ class ProblemList(QueryStringSortMixin, TitleMixin, SolvedProblemMixin, ListView
         
         self.search_query = None
         self.category = None
+        self.org_query = []
         self.selected_types = []
 
         # This actually copies into the instance dictionary...
@@ -481,6 +488,12 @@ class ProblemList(QueryStringSortMixin, TitleMixin, SolvedProblemMixin, ListView
             except ValueError:
                 pass
 
+        if 'orgs' in request.GET:
+            try:
+                self.org_query = list(map(int, request.GET.getlist('orgs')))
+            except ValueError:
+                pass
+
         self.point_start = safe_float_or_none(request.GET.get('point_start'))
         self.point_end = safe_float_or_none(request.GET.get('point_end'))
 
diff --git a/templates/problem/list.html b/templates/problem/list.html
index 0f70a7e..0054d24 100644
--- a/templates/problem/list.html
+++ b/templates/problem/list.html
@@ -3,13 +3,17 @@
 {% block media %}
     <link rel="stylesheet" href="{{ static('libs/nouislider.min.css') }}">
     <noscript>
-        <style>#category, #types {
-            visibility: visible;
-        }
+        <style>
+            #category, #types {
+                visibility: visible;
+            }
         </style>
     </noscript>
     {% if not request.in_contest %}
         <style>
+            #search-org {
+                width: 100%;
+            }
             #problem-table th {
                 padding: 0;
             }
@@ -61,6 +65,8 @@
                 $category.select2().css({'visibility': 'visible'}).change(clean_submit);
                 $('#types').select2({multiple: 1, placeholder: '{{ _('Filter by type...') }}'})
                     .css({'visibility': 'visible'});
+                $('#search-org').select2({multiple: 1, placeholder: '{{ _('Organizations...') }}'})
+                    .css({'visibility': 'visible'});
 
                 // This is incredibly nasty to do but it's needed because otherwise the select2 steals the focus
                 $search.keypress(function (e) {
diff --git a/templates/problem/search-form.html b/templates/problem/search-form.html
index 968ecc6..83ff22f 100644
--- a/templates/problem/search-form.html
+++ b/templates/problem/search-form.html
@@ -31,6 +31,16 @@
                         {% if show_editorial %} checked{% endif %}>
                 <label for="show_editorial">{{ _('Show editorial') }}</label>
             </div>
+            <div class="filter-form-group">
+                <label for="type"><i>{{ _('Organization') }}</i></label>
+                <select id="search-org" name="orgs" multiple>
+                    {% for org in organizations %}
+                        <option value="{{ org.id }}"{% if org.id in org_query %} selected{% endif %}>
+                            {{ org.name }}
+                        </option>
+                    {% endfor %}
+                </select> 
+            </div>
             <div class="filter-form-group">
                 <label for="category"><i>{{ _('Category') }}</i></label>
                 <select id="category" name="category">
@@ -45,6 +55,7 @@
                         </option>
                     {% endfor %}
                 </select>
+
             </div>
             {% if show_types %}
                 <div class="filter-form-group">