Merge branch 'LQDJudge:master' into master

dmoj/settings.py

@@ -84,6 +84,7 @@ DMOJ_STATS_SUBMISSION_RESULT_COLORS = {
     "CE": "#42586d",
     "ERR": "#ffa71c",
 }
+DMOJ_PROFILE_IMAGE_ROOT = "profile_images"
 
 MARKDOWN_STYLES = {}
 MARKDOWN_DEFAULT_STYLE = {}

judge/admin/__init__.py

@@ -1,5 +1,6 @@
 from django.contrib import admin
 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
@@ -11,7 +12,7 @@ from judge.admin.interface import (
 )
 from judge.admin.organization import OrganizationAdmin, OrganizationRequestAdmin
 from judge.admin.problem import ProblemAdmin, ProblemPointsVoteAdmin
-from judge.admin.profile import ProfileAdmin
+from judge.admin.profile import ProfileAdmin, UserAdmin
 from judge.admin.runtime import JudgeAdmin, LanguageAdmin
 from judge.admin.submission import SubmissionAdmin
 from judge.admin.taxon import ProblemGroupAdmin, ProblemTypeAdmin
@@ -66,3 +67,5 @@ admin.site.register(Submission, SubmissionAdmin)
 admin.site.register(Ticket, TicketAdmin)
 admin.site.register(VolunteerProblemVote, VolunteerProblemVoteAdmin)
 admin.site.register(Course)
+admin.site.unregister(User)
+admin.site.register(User, UserAdmin)

judge/admin/profile.py

@@ -3,6 +3,7 @@ from django.forms import ModelForm
 from django.utils.html import format_html
 from django.utils.translation import gettext, gettext_lazy as _, ungettext
 from reversion.admin import VersionAdmin
+from django.contrib.auth.admin import UserAdmin as OldUserAdmin
 
 from django_ace import AceWidget
 from judge.models import Profile
@@ -167,3 +168,38 @@ class ProfileAdmin(VersionAdmin):
                 "javascript", request.profile.ace_theme
             )
         return form
+
+
+class UserAdmin(OldUserAdmin):
+    # Customize the fieldsets for adding and editing users
+    fieldsets = (
+        (None, {"fields": ("username", "password")}),
+        ("Personal Info", {"fields": ("first_name", "last_name", "email")}),
+        (
+            "Permissions",
+            {
+                "fields": (
+                    "is_active",
+                    "is_staff",
+                    "is_superuser",
+                    "groups",
+                    "user_permissions",
+                )
+            },
+        ),
+        ("Important dates", {"fields": ("last_login", "date_joined")}),
+    )
+
+    readonly_fields = ("last_login", "date_joined")
+
+    def get_readonly_fields(self, request, obj=None):
+        fields = self.readonly_fields
+        if not request.user.is_superuser:
+            fields += (
+                "is_staff",
+                "is_active",
+                "is_superuser",
+                "groups",
+                "user_permissions",
+            )
+        return fields

judge/event_poster_amqp.py

@@ -16,7 +16,7 @@ class EventPoster(object):
 
     def _connect(self):
         self._conn = pika.BlockingConnection(
-            pika.URLParameters(settings.EVENT_DAEMON_AMQP)
+            pika.URLParameters(settings.EVENT_DAEMON_AMQP),
         )
         self._chan = self._conn.channel()
 
@@ -25,7 +25,7 @@ class EventPoster(object):
             id = int(time() * 1000000)
             self._chan.basic_publish(
                 self._exchange,
-                "",
+                "#",
                 json.dumps({"id": id, "channel": channel, "message": message}),
             )
             return id

judge/forms.py

@@ -50,6 +50,7 @@ from judge.widgets import (
     HeavySelect2Widget,
     Select2MultipleWidget,
     DateTimePickerWidget,
+    ImageWidget,
 )
 from judge.tasks import rescore_contest
 
@@ -78,12 +79,14 @@ class ProfileForm(ModelForm):
             "language",
             "ace_theme",
             "user_script",
+            "profile_image",
         ]
         widgets = {
             "user_script": AceWidget(theme="github"),
             "timezone": Select2Widget(attrs={"style": "width:200px"}),
             "language": Select2Widget(attrs={"style": "width:200px"}),
             "ace_theme": Select2Widget(attrs={"style": "width:200px"}),
+            "profile_image": ImageWidget,
         }
 
         has_math_config = bool(settings.MATHOID_URL)
@@ -100,12 +103,22 @@ class ProfileForm(ModelForm):
     def __init__(self, *args, **kwargs):
         user = kwargs.pop("user", None)
         super(ProfileForm, self).__init__(*args, **kwargs)
+        self.fields["profile_image"].required = False
+
+    def clean_profile_image(self):
+        profile_image = self.cleaned_data.get("profile_image")
+        if profile_image:
+            if profile_image.size > 5 * 1024 * 1024:
+                raise ValidationError(
+                    _("File size exceeds the maximum allowed limit of 5MB.")
+                )
+        return profile_image
 
 
 def file_size_validator(file):
-    limit = 1 * 1024 * 1024
+    limit = 10 * 1024 * 1024
     if file.size > limit:
-        raise ValidationError("File too large. Size should not exceed 1MB.")
+        raise ValidationError("File too large. Size should not exceed 10MB.")
 
 
 class ProblemSubmitForm(ModelForm):
@@ -474,6 +487,15 @@ class ContestCloneForm(Form):
         max_length=20,
         validators=[RegexValidator("^[a-z0-9]+$", _("Contest id must be ^[a-z0-9]+$"))],
     )
+    organization = ChoiceField(choices=(), required=True)
+
+    def __init__(self, *args, org_choices=(), profile=None, **kwargs):
+        super(ContestCloneForm, self).__init__(*args, **kwargs)
+        self.fields["organization"].widget = Select2Widget(
+            attrs={"style": "width: 100%", "data-placeholder": _("Group")},
+        )
+        self.fields["organization"].choices = org_choices
+        self.profile = profile
 
     def clean_key(self):
         key = self.cleaned_data["key"]
@@ -481,6 +503,16 @@ class ContestCloneForm(Form):
             raise ValidationError(_("Contest with key already exists."))
         return key
 
+    def clean_organization(self):
+        organization_id = self.cleaned_data["organization"]
+        try:
+            organization = Organization.objects.get(id=organization_id)
+        except Exception:
+            raise ValidationError(_("Group doesn't exist."))
+        if not organization.admins.filter(id=self.profile.id).exists():
+            raise ValidationError(_("You don't have permission in this group."))
+        return organization
+
 
 class ProblemPointsVoteForm(ModelForm):
     class Meta:

judge/jinja2/gravatar.py

@@ -9,14 +9,15 @@ from . import registry
 
 
 @registry.function
-def gravatar(email, size=80, default=None):
-    if isinstance(email, Profile):
+def gravatar(profile, size=80, default=None, profile_image=None, email=None):
+    if profile_image:
+        return profile_image
+    if profile and profile.profile_image:
+        return profile.profile_image.url
+    if profile:
+        email = email or profile.user.email
         if default is None:
-            default = email.mute
-        email = email.user.email
-    elif isinstance(email, AbstractUser):
-        email = email.email
-
+            default = profile.mute
     gravatar_url = (
         "//www.gravatar.com/avatar/"
         + hashlib.md5(utf8bytes(email.strip().lower())).hexdigest()

judge/migrations/0162_profile_image.py

@@ -0,0 +1,21 @@
+# Generated by Django 3.2.18 on 2023-08-24 00:50
+
+from django.db import migrations, models
+import judge.models.profile
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("judge", "0161_auto_20230803_1536"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="profile",
+            name="profile_image",
+            field=models.ImageField(
+                null=True, upload_to=judge.models.profile.profile_image_path
+            ),
+        ),
+    ]

judge/models/profile.py

@@ -1,4 +1,5 @@
 from operator import mul
+import os
 
 from django.conf import settings
 from django.contrib.auth.models import User
@@ -27,6 +28,12 @@ class EncryptedNullCharField(EncryptedCharField):
         return super(EncryptedNullCharField, self).get_prep_value(value)
 
 
+def profile_image_path(profile, filename):
+    tail = filename.split(".")[-1]
+    new_filename = f"user_{profile.id}.{tail}"
+    return os.path.join(settings.DMOJ_PROFILE_IMAGE_ROOT, new_filename)
+
+
 class Organization(models.Model):
     name = models.CharField(max_length=128, verbose_name=_("organization title"))
     slug = models.SlugField(
@@ -229,6 +236,7 @@ class Profile(models.Model):
         blank=True,
         help_text=_("Notes for administrators regarding this user."),
     )
+    profile_image = models.ImageField(upload_to=profile_image_path, null=True)
 
     @cached_property
     def organization(self):

judge/views/contests.py

@@ -453,9 +453,19 @@ class ContestClone(
     form_class = ContestCloneForm
     permission_required = "judge.clone_contest"
 
+    def get_form_kwargs(self):
+        kwargs = super().get_form_kwargs()
+        kwargs["org_choices"] = tuple(
+            Organization.objects.filter(admins=self.request.profile).values_list(
+                "id", "name"
+            )
+        )
+        kwargs["profile"] = self.request.profile
+        return kwargs
+
     def form_valid(self, form):
         tags = self.object.tags.all()
-        organizations = self.object.organizations.all()
+        organization = form.cleaned_data["organization"]
         private_contestants = self.object.private_contestants.all()
         view_contest_scoreboard = self.object.view_contest_scoreboard.all()
         contest_problems = self.object.contest_problems.all()
@@ -469,7 +479,7 @@ class ContestClone(
         contest.save()
 
         contest.tags.set(tags)
-        contest.organizations.set(organizations)
+        contest.organizations.set([organization])
         contest.private_contestants.set(private_contestants)
         contest.view_contest_scoreboard.set(view_contest_scoreboard)
         contest.authors.add(self.request.profile)
@@ -480,7 +490,14 @@ class ContestClone(
         ContestProblem.objects.bulk_create(contest_problems)
 
         return HttpResponseRedirect(
-            reverse("admin:judge_contest_change", args=(contest.id,))
+            reverse(
+                "organization_contest_edit",
+                args=(
+                    organization.id,
+                    organization.slug,
+                    contest.key,
+                ),
+            )
         )
 
 

judge/views/select2.py

@@ -1,8 +1,11 @@
+from urllib.parse import urljoin
+
 from django.db.models import F, Q
 from django.http import Http404, JsonResponse
 from django.shortcuts import get_object_or_404
 from django.utils.encoding import smart_text
 from django.views.generic.list import BaseListView
+from django.conf import settings
 
 from chat_box.utils import encrypt_url
 
@@ -54,7 +57,6 @@ class Select2View(BaseListView):
 class UserSelect2View(Select2View):
     def get(self, request, *args, **kwargs):
         self.org_id = kwargs.get("org_id", request.GET.get("org_id", ""))
-        print(self.org_id)
         return super(UserSelect2View, self).get(request, *args, **kwargs)
 
     def get_queryset(self):
@@ -100,6 +102,21 @@ class UserSearchSelect2View(BaseListView):
     def get_queryset(self):
         return _get_user_queryset(self.term)
 
+    def get_json_result_from_object(self, user_tuple):
+        pk, username, email, display_rank, profile_image = user_tuple
+        return {
+            "text": username,
+            "id": username,
+            "gravatar_url": gravatar(
+                None,
+                self.gravatar_size,
+                self.gravatar_default,
+                self.get_profile_image_url(profile_image),
+                email,
+            ),
+            "display_rank": display_rank,
+        }
+
     def get(self, request, *args, **kwargs):
         self.request = request
         self.kwargs = kwargs
@@ -108,7 +125,7 @@ class UserSearchSelect2View(BaseListView):
         self.gravatar_default = request.GET.get("gravatar_default", None)
 
         self.object_list = self.get_queryset().values_list(
-            "pk", "user__username", "user__email", "display_rank"
+            "pk", "user__username", "user__email", "display_rank", "profile_image"
         )
 
         context = self.get_context_data()
@@ -116,15 +133,8 @@ class UserSearchSelect2View(BaseListView):
         return JsonResponse(
             {
                 "results": [
-                    {
-                        "text": username,
-                        "id": username,
-                        "gravatar_url": gravatar(
-                            email, self.gravatar_size, self.gravatar_default
-                        ),
-                        "display_rank": display_rank,
-                    }
-                    for pk, username, email, display_rank in context["object_list"]
+                    self.get_json_result_from_object(user_tuple)
+                    for user_tuple in context["object_list"]
                 ],
                 "more": context["page_obj"].has_next(),
             }
@@ -133,6 +143,11 @@ class UserSearchSelect2View(BaseListView):
     def get_name(self, obj):
         return str(obj)
 
+    def get_profile_image_url(self, profile_image):
+        if profile_image:
+            return urljoin(settings.MEDIA_URL, profile_image)
+        return None
+
 
 class ContestUserSearchSelect2View(UserSearchSelect2View):
     def get_queryset(self):
@@ -161,43 +176,20 @@ class AssigneeSelect2View(UserSearchSelect2View):
         ).distinct()
 
 
-class ChatUserSearchSelect2View(BaseListView):
-    paginate_by = 20
-
-    def get_queryset(self):  # TODO: add block
-        return _get_user_queryset(self.term)
-
-    def get(self, request, *args, **kwargs):
+class ChatUserSearchSelect2View(UserSearchSelect2View):
+    def get_json_result_from_object(self, user_tuple):
         if not self.request.user.is_authenticated:
             raise Http404()
-        self.request = request
-        self.kwargs = kwargs
-        self.term = kwargs.get("term", request.GET.get("term", ""))
-        self.gravatar_size = request.GET.get("gravatar_size", 128)
-        self.gravatar_default = request.GET.get("gravatar_default", None)
-
-        self.object_list = self.get_queryset().values_list(
-            "pk", "user__username", "user__email", "display_rank"
-        )
-
-        context = self.get_context_data()
-
-        return JsonResponse(
-            {
-                "results": [
-                    {
-                        "text": username,
-                        "id": encrypt_url(request.profile.id, pk),
-                        "gravatar_url": gravatar(
-                            email, self.gravatar_size, self.gravatar_default
-                        ),
-                        "display_rank": display_rank,
-                    }
-                    for pk, username, email, display_rank in context["object_list"]
-                ],
-                "more": context["page_obj"].has_next(),
-            }
-        )
-
-    def get_name(self, obj):
-        return str(obj)
+        pk, username, email, display_rank, profile_image = user_tuple
+        return {
+            "text": username,
+            "id": encrypt_url(self.request.profile.id, pk),
+            "gravatar_url": gravatar(
+                None,
+                self.gravatar_size,
+                self.gravatar_default,
+                self.get_profile_image_url(profile_image),
+                email,
+            ),
+            "display_rank": display_rank,
+        }

judge/views/user.py

@@ -402,12 +402,12 @@ class UserPerformancePointsAjax(UserProblemsPage):
 
 @login_required
 def edit_profile(request):
-    profile = Profile.objects.get(user=request.user)
-    if profile.mute:
-        raise Http404()
+    profile = request.profile
     if request.method == "POST":
         form_user = UserForm(request.POST, instance=request.user)
-        form = ProfileForm(request.POST, instance=profile, user=request.user)
+        form = ProfileForm(
+            request.POST, request.FILES, instance=profile, user=request.user
+        )
         if form_user.is_valid() and form.is_valid():
             with transaction.atomic(), revisions.create_revision():
                 form_user.save()

judge/widgets/__init__.py

@@ -3,3 +3,4 @@ from judge.widgets.mixins import CompressorWidgetMixin
 from judge.widgets.pagedown import *
 from judge.widgets.select2 import *
 from judge.widgets.datetime import *
+from judge.widgets.image import *

judge/widgets/image.py

@@ -0,0 +1,16 @@
+from django import forms
+
+
+class ImageWidget(forms.ClearableFileInput):
+    template_name = "widgets/image.html"
+
+    def __init__(self, attrs=None, width=80, height=80):
+        self.width = width
+        self.height = height
+        super().__init__(attrs)
+
+    def get_context(self, name, value, attrs=None):
+        context = super().get_context(name, value, attrs)
+        context["widget"]["height"] = self.height
+        context["widget"]["width"] = self.height
+        return context

resources/blog.scss

@@ -313,6 +313,11 @@
         padding: 0.8em 0.2em 0.8em 1em;
     }
 
+    .sidebar-text {
+        overflow: hidden;
+        text-overflow: ellipsis;
+    }
+
     .middle-content,
     .blog-sidebar,
     .right-sidebar {

templates/base.html

@@ -263,7 +263,7 @@
             <span id="user-links">
               <ul><li><a href="javascript:void(0)">
                 <span>
-                  <img src="{{ gravatar(request.user, 32) }}" height="24" width="24">{# -#}
+                  <img src="{{ gravatar(request.profile, 32) }}" height="24" width="24">{# -#}
                   <span>
                     <b class="{{request.profile.css_class}}">{{ request.user.username }}</b>
                   </span>
@@ -271,24 +271,38 @@
               </a></li></ul>
             </span>
             <div class="dropdown" id="userlink_dropdown" role="tooptip">
-              <div class="dropdown-item"><a href="{{ url('user_page') }}">{{ _('Profile') }}</a></div>
+              <a href="{{ url('user_page') }}">
+                <div class="dropdown-item">{{ _('Profile') }}</div>
+              </a>
               {% if request.user.is_staff or request.user.is_superuser %}
-                <div class="dropdown-item"><a href="{{ url('admin:index') }}">{{ _('Admin') }}</a></div>
+                <a href="{{ url('admin:index') }}">
+                  <div class="dropdown-item">{{ _('Admin') }}</div>
+                </a>
               {% endif %}
               {% if request.user.is_superuser %}
-                <div class="dropdown-item"><a href="{{ url('internal_problem') }}">{{ _('Internal') }}</a></div>
-                <div class="dropdown-item"><a href="{{ url('site_stats') }}">{{ _('Stats') }}</a></div>
+                <a href="{{ url('internal_problem') }}">
+                  <div class="dropdown-item">{{ _('Internal') }}</div>
+                </a>
+                <a href="{{ url('site_stats') }}">
+                  <div class="dropdown-item">{{ _('Stats') }}</div>
+                </a>
               {% endif %}
-              <div class="dropdown-item"><a href="{{ url('user_edit_profile') }}">{{ _('Edit profile') }}</a></div>
+              <a href="{{ url('user_edit_profile') }}">
+                <div class="dropdown-item">{{ _('Edit profile') }}</div>
+              </a>
               {% if request.user.is_impersonate %}
-                <div class="dropdown-item"><a href="{{ url('impersonate-stop') }}">Stop impersonating</a></div>
+                <a href="{{ url('impersonate-stop') }}">
+                  <div class="dropdown-item">Stop impersonating</div>
+                </a>
               {% else %}
-                <div class="dropdown-item">
-                  <a href="#" id="logout" class="red">{{ _('Log out') }}</a>
-                  <form id="logout-form" action="{{ url('auth_logout') }}" method="POST">
-                    {% csrf_token %}
-                  </form>
-                </div>
+                <a href="#" id="logout" class="red">
+                  <div class="dropdown-item">
+                    {{ _('Log out') }}
+                    <form id="logout-form" action="{{ url('auth_logout') }}" method="POST">
+                      {% csrf_token %}
+                    </form>
+                  </div>
+                </a>
               {% endif %}
             </div>
           {% else %}

templates/blog/dashboard.html

@@ -3,7 +3,7 @@
   </h3>
   <div class="sidebox-content">
     <div class="user-gravatar">
-      <img src="{{ gravatar(request.user, 135) }}"
+      <img src="{{ gravatar(request.profile, 135) }}"
         alt="gravatar" width="135px" height="135px">
     </div>
     <div class="recently-attempted">

templates/blog/list.html

@@ -42,8 +42,8 @@
 {% block left_sidebar %}
   <div class="left-sidebar">
     {{ make_tab_item('blog', 'fa fa-rss', url('home'), _('News')) }}
-    {{ make_tab_item('comment', 'fa fa-comments', url('comment_feed'), _('Comments')) }}
-    {{ make_tab_item('ticket', 'fa fa-question-circle', url('ticket_feed'), _('Tickets')) }}
+    {{ make_tab_item('comment', 'fa fa-comments', url('comment_feed'), _('Comment')) }}
+    {{ make_tab_item('ticket', 'fa fa-question-circle', url('ticket_feed'), _('Ticket')) }}
     {{ make_tab_item('event', 'fa fa-calendar', '#', _('Events')) }}
   </div>
 {% endblock %}

templates/chat/chat.html

@@ -499,18 +499,28 @@
       $('#chat-box').scrollTop($('#chat-box')[0].scrollHeight);
       load_dynamic_update({{last_msg}});
 
-      const button = document.querySelector('#emoji-button')
-      const tooltip = document.querySelector('.tooltip')
-      Popper.createPopper(button, tooltip)
+      const button = document.querySelector('#emoji-button');
+      const tooltip = document.querySelector('.tooltip');
+      Popper.createPopper(button, tooltip, {
+        placement: 'left-end',
+      });
 
       function toggleEmoji() {
         tooltip.classList.toggle('shown')
       }
       $('#emoji-button').on('click', function(e) {
         e.preventDefault();
+        e.stopPropagation();
         toggleEmoji();
       });
 
+      // Đóng bảng emoji khi click bất kỳ chỗ nào trên màn hình
+      document.addEventListener("click", function(e) {
+        if (!tooltip.contains(e.target)) {
+          tooltip.classList.remove('shown'); // Ẩn bảng emoji
+        }
+      });
+
       $('emoji-picker').on('emoji-click', function(e) {
         var $chat = $('#chat-input').get(0);
         insert_char_after_cursor($chat, e.detail.unicode);
@@ -629,7 +639,7 @@
         </div>
         <div id="chat-box">
 
-          <img src="{{static('loading.gif')}}" id="loader">
+          <img src="{{static('loading.gif')}}" id="loader" height="2em">
           <ul id="chat-log" style="display: none">
             {% include 'chat/message_list.html' %}
           </ul>

templates/chat/chat_css.html

@@ -43,9 +43,8 @@
   }
 
   .tooltip {
-    left: 120vh !important;
-    transform: translate(100px, 0) !important;
     position: absolute;
+    z-index: 1000;
   }
 
   #loader {

templates/chat/user_online_status.html

@@ -1,6 +1,6 @@
 {% if other_user %}
   <div class="status-container" style="height: 100%">
-    <img src="{{ gravatar(other_user.user, 135) }}" class="info-pic">
+    <img src="{{ gravatar(other_user, 135) }}" class="info-pic">
     <svg style="position:absolute; height:100%; width: 100%">
       <circle class="info-circle"
         fill="{{'green' if other_online else 'red'}}"/>

templates/contest/clone.html

@@ -25,17 +25,32 @@
   </style>
 {% endblock %}
 
+{% block js_media %}
+  <script type="text/javascript">
+    $(function() {
+      $("#id_organization").select2();
+    });
+  </script>
+{% endblock %}
+
 {% block body %}
   <form id="contest-clone-panel" action="" method="post" class="form-area">
     {% csrf_token %}
-    {% if form.errors %}
+    {% if form.key.errors %}
       <div id="form-errors">
-        {{ form.key.errors }}
+        <div>{{ form.key.errors }}</div>
       </div>
     {% endif %}
 
     <div><label class="inline-header grayed">{{ _('Enter a new key for the cloned contest:') }}</label></div>
     <div id="contest-key-container"><span class="fullwidth">{{ form.key }}</span></div>
+    <div><label class="inline-header grayed">{{ _('Group:') }}</label></div>
+    {{form.organization}}
+    {% if form.organization.errors %}
+      <div id="form-errors">
+        <div>{{ form.organization.errors }}</div>
+      </div>
+    {% endif %}
     <hr>
     <button style="float: right;" type="submit">{{ _('Clone!') }}</button>
   </form>

templates/three-column-content.html

@@ -118,7 +118,7 @@
 {% macro make_tab_item(name, fa, url, text) %}
   <div class="left-sidebar-item {% if page_type == name %}active{% endif %}" data-href="{{ url }}" id="{{ name }}-tab">
     <span class="sidebar-icon"><i class="{{ fa }}"></i></span>
-    <span>{{ text }}</span>
+    <span class="sidebar-text">{{ text }}</span>
   </div>
 {% endmacro %}
 

templates/ticket/ticket.html

@@ -162,7 +162,7 @@
       <section class="message new-message">
         <div class="info">
           <a href="{{ url('user_page', request.user.username) }}" class="user">
-            <img src="{{ gravatar(request.user, 135) }}" class="gravatar">
+            <img src="{{ gravatar(request.profile, 135) }}" class="gravatar">
             <div class="username {{ request.profile.css_class }}">{{ request.user.username }}</div>
           </a>
         </div>

templates/user/edit-profile.html

@@ -43,9 +43,9 @@
 
     #center-float {
       position: relative;
-      margin: 0 auto auto -28.5em;
-      left: 60%;
-      width: 700px;
+      width: 100%;
+      display: flex;
+      justify-content: center;
     }
   </style>
 {% endblock %}
@@ -79,11 +79,13 @@
 
 {% block body %}
   <div id="center-float">
-    <form id="edit-form" action="" method="post" class="form-area">
-      {% if form.errors %}
+    <form id="edit-form" action="" method="post" class="form-area" enctype="multipart/form-data">
+      {% if form.errors or form_user.errors %}
         <div class="alert alert-danger alert-dismissable">
           <a href="#" class="close">x</a>
-          {{ form.non_field_errors() }}
+          {{ form.errors }}
+          <br>
+          {{ form_user.errors }}
         </div>
       {% endif %}
 
@@ -98,6 +100,10 @@
           <td> {{ _('School') }}: </td>
           <td> {{ form_user.last_name }} </td>
         </tr>
+        <tr>
+          <td style="padding-top: 1em">{{ _('Avatar') }}: </td>
+          <td style="padding-top: 1em">{{ form.profile_image }}</td>
+        </tr>
       </table>
       <hr>
 
@@ -127,12 +133,6 @@
                   <td><span class="fullwidth">{{ form.math_engine }}</span></td>
                 </tr>
               {% endif %}
-              <tr>
-                <td colspan="2">
-                  <a href="http://www.gravatar.com/" title="{{ _('Change your avatar') }}"
-                    target="_blank" class="inline-header">{{ _('Change your avatar') }}</a>
-                </td>
-              </tr>
               <tr>
                 <td colspan="2">
                   <a href="{{ url('password_change') }}" class="inline-header">

templates/widgets/image.html

@@ -0,0 +1,13 @@
+{% if widget.is_initial %}
+  <div>
+    <a href="{{widget.value.url}}" target=_blank>
+      <img src="{{widget.value.url}}" width="{{widget.width}}" height="{{widget.height}}" style="border-radius: 3px;">
+    </a>
+    <div>
+      {{ widget.input_text }}:
+{% endif %}
+<input type="{{ widget.type }}" name="{{ widget.name }}">
+{% if widget.is_initial %}
+  </div>
+  </div>
+{% endif %}

websocket/daemon_amqp.js

@@ -0,0 +1,198 @@
+var WebSocketServer = require('ws').Server;
+var set = require('simplesets').Set;
+var queue = require('qu');
+var amqp = require('amqp');
+var url = require('url');
+
+if (typeof String.prototype.startsWith != 'function') {
+    String.prototype.startsWith = function (str){
+        return this.slice(0, str.length) == str;
+    };
+}
+
+const argv = require('yargs')
+    .demandCommand(3)
+    .strict()
+    .usage('Usage: event [options] <amqp url> <exchange> <port>')
+    .options({
+        host: {
+            default: '127.0.0.1',
+            describe: 'websocket address to listen on'
+        },
+        http_host: {
+            default: '127.0.0.1',
+            describe: 'http address to listen on'
+        },
+        http_port: {
+            default: null,
+            describe: 'http port to listen on'
+        },
+        max_queue: {
+            default: 10,
+            describe: 'queue buffer size'
+        },
+        comet_timeout: {
+            default: 60000,
+            describe: 'comet long poll timeout'
+        }
+    })
+    .argv;
+
+var followers = new set();
+var pollers = new set();
+var messages = new queue();
+var max_queue = argv.max_queue;
+var comet_timeout = argv.comet_timeout;
+
+var rabbitmq = amqp.createConnection({url: argv._[0]});
+
+rabbitmq.on('error', function(e) {
+  console.log('amqp connection error...', e);
+  process.exit(1);
+});
+
+rabbitmq.on('ready', function () {
+    rabbitmq.queue('', {exclusive: true}, function (q) {
+        q.bind(argv._[1], '#');
+        q.subscribe(function (data) {
+            message = JSON.parse(data.data.toString('utf8'));
+            messages.push(message);
+            if (messages.length > max_queue)
+                messages.shift();
+            followers.each(function (client) {
+                client.got_message(message);
+            });
+            pollers.each(function (request) {
+                request.got_message(message);
+            });
+        });
+    });
+});
+
+var wss = new WebSocketServer({host: argv.host, port: parseInt(argv._[2])});
+
+messages.catch_up = function (client) {
+    this.each(function (message) {
+        if (message.id > client.last_msg)
+            client.got_message(message);
+    });
+};
+
+wss.on('connection', function (socket) {
+    socket.channel = null;
+    socket.last_msg = 0;
+
+    var commands = {
+        start_msg: function (request) {
+            socket.last_msg = request.start;
+        },
+        set_filter: function (request) {
+            var filter = {};
+            if (Array.isArray(request.filter) && request.filter.length > 0 &&
+                request.filter.every(function (channel, index, array) {
+                    if (typeof channel != 'string')
+                        return false;
+                    filter[channel] = true;
+                    return true;
+            })) {
+                socket.filter = filter;
+                followers.add(socket);
+                messages.catch_up(socket);
+            } else {
+                socket.send(JSON.stringify({
+                    status: 'error',
+                    code: 'invalid-filter',
+                    message: 'invalid filter: ' + request.filter
+                }));
+            }
+        }
+    };
+
+    socket.got_message = function (message) {
+        if (message.channel in socket.filter)
+            socket.send(JSON.stringify(message));
+        socket.last_msg = message.id;
+    };
+
+    socket.on('message', function (request) {
+        try {
+            request = JSON.parse(request);
+            if (typeof request.command !== 'string')
+                throw {message: 'no command specified'};
+        } catch (err) {
+            socket.send(JSON.stringify({
+                status: 'error',
+                code: 'syntax-error',
+                message: err.message
+            }));
+            return;
+        }
+        request.command = request.command.replace(/-/g, '_');
+        if (request.command in commands)
+            commands[request.command](request);
+        else
+            socket.send(JSON.stringify({
+                status: 'error',
+                code: 'bad-command',
+                message: 'bad command: ' + request.command
+            }));
+    });
+
+    socket.on('close', function(code, message) {
+        followers.remove(socket);
+    });
+});
+
+if (argv.http_port !== null) {
+    require('http').createServer(function (req, res) {
+        var parts = url.parse(req.url, true);
+
+        if (!parts.pathname.startsWith('/channels/')) {
+            res.writeHead(404, {'Content-Type': 'text/plain'});
+            res.end('404 Not Found');
+            return;
+        }
+
+        var channels = parts.pathname.slice(10).split('|');
+        if (channels.length == 1 && !channels[0].length) {
+            res.writeHead(400, {'Content-Type': 'text/plain'});
+            res.end('400 Bad Request');
+            return;
+        }
+
+        req.channels = {};
+        req.last_msg = parseInt(parts.query.last);
+        if (isNaN(req.last_msg)) req.last_msg = 0;
+
+        channels.forEach(function (channel) {
+            req.channels[channel] = true;
+        });
+
+        req.on('close', function () {
+            pollers.remove(req);
+        });
+
+        req.got_message = function (message) {
+            if (message.channel in req.channels) {
+                res.writeHead(200, {'Content-Type': 'application/json'});
+                res.end(JSON.stringify(message));
+                pollers.remove(req);
+                return true;
+            }
+            return false;
+        };
+        var got = false;
+        messages.each(function (message) {
+            if (!got && message.id > req.last_msg)
+                got = req.got_message(message);
+        });
+        if (!got) {
+            pollers.add(req);
+            res.setTimeout(comet_timeout, function () {
+                pollers.remove(req);
+                res.writeHead(504, {'Content-Type': 'application/json'});
+                res.end('{"error": "timeout"}');
+            });
+        }
+    }).listen(argv.http_port, argv.http_host);
+}