Properly sort messages and add fetch previous messages ability

Signed-off-by: Emmy D'Anello <emmy.danello@animath.fr>

chat/__init__.py

@@ -0,0 +1,2 @@
+# Copyright (C) 2024 by Animath
+# SPDX-License-Identifier: GPL-3.0-or-later

chat/admin.py

@@ -0,0 +1,22 @@
+# Copyright (C) 2024 by Animath
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from django.contrib import admin
+
+from .models import Channel, Message
+
+
+@admin.register(Channel)
+class ChannelAdmin(admin.ModelAdmin):
+    list_display = ('name', 'read_access', 'write_access', 'tournament', 'pool', 'team', 'private',)
+    list_filter = ('read_access', 'write_access', 'tournament', 'private',)
+    search_fields = ('name', 'tournament__name', 'team__name', 'team__trigram',)
+    autocomplete_fields = ('tournament', 'pool', 'team', 'invited', )
+
+
+@admin.register(Message)
+class MessageAdmin(admin.ModelAdmin):
+    list_display = ('channel', 'author', 'created_at', 'updated_at', 'content',)
+    list_filter = ('channel', 'created_at', 'updated_at',)
+    search_fields = ('author__username', 'author__first_name', 'author__last_name', 'content',)
+    autocomplete_fields = ('channel', 'author',)

chat/apps.py

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+# Copyright (C) 2024 by Animath
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from django.apps import AppConfig
+
+
+class ChatConfig(AppConfig):
+    default_auto_field = "django.db.models.BigAutoField"
+    name = "chat"

chat/consumers.py

@@ -0,0 +1,138 @@
+# Copyright (C) 2024 by Animath
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from channels.generic.websocket import AsyncJsonWebsocketConsumer
+from django.contrib.auth.models import User
+from participation.models import Team, Pool, Tournament
+from registration.models import Registration
+
+from .models import Channel, Message
+
+
+class ChatConsumer(AsyncJsonWebsocketConsumer):
+    """
+    This consumer manages the websocket of the chat interface.
+    """
+    async def connect(self) -> None:
+        """
+        This function is called when a new websocket is trying to connect to the server.
+        We accept only if this is a user of a team of the associated tournament, or a volunteer
+        of the tournament.
+        """
+        if '_fake_user_id' in self.scope['session']:
+            self.scope['user'] = await User.objects.aget(pk=self.scope['session']['_fake_user_id'])
+
+        # Fetch the registration of the current user
+        user = self.scope['user']
+        if user.is_anonymous:
+            # User is not authenticated
+            await self.close()
+            return
+
+        reg = await Registration.objects.aget(user_id=user.id)
+        self.registration = reg
+
+        # Accept the connection
+        await self.accept()
+
+        channels = await Channel.get_accessible_channels(user, 'read')
+        async for channel in channels.all():
+            await self.channel_layer.group_add(f"chat-{channel.id}", self.channel_name)
+
+    async def disconnect(self, close_code) -> None:
+        """
+        Called when the websocket got disconnected, for any reason.
+        :param close_code: The error code.
+        """
+        if self.scope['user'].is_anonymous:
+            # User is not authenticated
+            return
+
+        channels = await Channel.get_accessible_channels(self.scope['user'], 'read')
+        async for channel in channels.all():
+            await self.channel_layer.group_discard(f"chat-{channel.id}", self.channel_name)
+
+    async def receive_json(self, content, **kwargs):
+        """
+        Called when the client sends us some data, parsed as JSON.
+        :param content: The sent data, decoded from JSON text. Must content a `type` field.
+        """
+        match content['type']:
+            case 'fetch_channels':
+                await self.fetch_channels()
+            case 'send_message':
+                await self.receive_message(content)
+            case 'fetch_messages':
+                await self.fetch_messages(**content)
+            case unknown:
+                print("Unknown message type:", unknown)
+
+    async def fetch_channels(self) -> None:
+        user = self.scope['user']
+
+        read_channels = await Channel.get_accessible_channels(user, 'read')
+        write_channels = await Channel.get_accessible_channels(user, 'write')
+        message = {
+            'type': 'fetch_channels',
+            'channels': [
+                {
+                    'id': channel.id,
+                    'name': channel.name,
+                    'read_access': True,
+                    'write_access': await write_channels.acontains(channel),
+                }
+                async for channel in read_channels.all()
+            ]
+        }
+        await self.send_json(message)
+
+    async def receive_message(self, message: dict) -> None:
+        user = self.scope['user']
+        channel = await Channel.objects.prefetch_related('tournament__pools__juries', 'pool', 'team', 'invited') \
+            .aget(id=message['channel_id'])
+        write_channels = await Channel.get_accessible_channels(user, 'write')
+        if not await write_channels.acontains(channel):
+            return
+
+        message = await Message.objects.acreate(
+            author=user,
+            channel=channel,
+            content=message['content'],
+        )
+
+        await self.channel_layer.group_send(f'chat-{channel.id}', {
+            'type': 'chat.send_message',
+            'id': message.id,
+            'channel_id': channel.id,
+            'timestamp': message.created_at.isoformat(),
+            'author': await message.aget_author_name(),
+            'content': message.content,
+        })
+
+    async def fetch_messages(self, channel_id: int, offset: int = 0, limit: int = 50, **_kwargs) -> None:
+        channel = await Channel.objects.aget(id=channel_id)
+        read_channels = await Channel.get_accessible_channels(self.scope['user'], 'read')
+        if not await read_channels.acontains(channel):
+            return
+
+        limit = min(limit, 200)  # Fetch only maximum 200 messages at the time
+
+        messages = Message.objects.filter(channel=channel).order_by('-created_at')[offset:offset + limit].all()
+        await self.send_json({
+            'type': 'fetch_messages',
+            'channel_id': channel_id,
+            'messages': list(reversed([
+                {
+                    'id': message.id,
+                    'timestamp': message.created_at.isoformat(),
+                    'author': await message.aget_author_name(),
+                    'content': message.content,
+                }
+                async for message in messages
+            ]))
+        })
+
+    async def chat_send_message(self, message) -> None:
+        await self.send_json({'type': 'send_message', 'id': message['id'], 'channel_id': message['channel_id'],
+                              'timestamp': message['timestamp'], 'author': message['author'],
+                              'content': message['content']})

chat/migrations/0001_initial.py

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+# Generated by Django 5.0.3 on 2024-04-27 07:00
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ("participation", "0013_alter_pool_options_pool_room"),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="Channel",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("name", models.CharField(max_length=255, verbose_name="name")),
+                (
+                    "read_access",
+                    models.CharField(
+                        choices=[
+                            ("anonymous", "Everyone, including anonymous users"),
+                            ("authenticated", "Authenticated users"),
+                            ("volunteer", "All volunteers"),
+                            ("tournament", "All members of a given tournament"),
+                            ("organizer", "Tournament organizers only"),
+                            (
+                                "jury_president",
+                                "Tournament organizers and jury presidents of the tournament",
+                            ),
+                            ("jury", "Jury members of the pool"),
+                            ("pool", "Jury members and participants of the pool"),
+                            (
+                                "team",
+                                "Members of the team and organizers of concerned tournaments",
+                            ),
+                            (
+                                "private",
+                                "Private, reserved to explicit authorized users",
+                            ),
+                            ("admin", "Admin users"),
+                        ],
+                        max_length=16,
+                        verbose_name="read permission",
+                    ),
+                ),
+                (
+                    "write_access",
+                    models.CharField(
+                        choices=[
+                            ("anonymous", "Everyone, including anonymous users"),
+                            ("authenticated", "Authenticated users"),
+                            ("volunteer", "All volunteers"),
+                            ("tournament", "All members of a given tournament"),
+                            ("organizer", "Tournament organizers only"),
+                            (
+                                "jury_president",
+                                "Tournament organizers and jury presidents of the tournament",
+                            ),
+                            ("jury", "Jury members of the pool"),
+                            ("pool", "Jury members and participants of the pool"),
+                            (
+                                "team",
+                                "Members of the team and organizers of concerned tournaments",
+                            ),
+                            (
+                                "private",
+                                "Private, reserved to explicit authorized users",
+                            ),
+                            ("admin", "Admin users"),
+                        ],
+                        max_length=16,
+                        verbose_name="write permission",
+                    ),
+                ),
+                (
+                    "private",
+                    models.BooleanField(
+                        default=False,
+                        help_text="If checked, only users who have been explicitly added to the channel will be able to access it.",
+                        verbose_name="private",
+                    ),
+                ),
+                (
+                    "invited",
+                    models.ManyToManyField(
+                        blank=True,
+                        help_text="Extra users who have been invited to the channel, in addition to the permitted group of the channel.",
+                        related_name="+",
+                        to=settings.AUTH_USER_MODEL,
+                        verbose_name="invited users",
+                    ),
+                ),
+                (
+                    "pool",
+                    models.ForeignKey(
+                        blank=True,
+                        default=None,
+                        help_text="For a permission that concerns a pool, indicates what is the concerned pool.",
+                        null=True,
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="chat_channels",
+                        to="participation.pool",
+                        verbose_name="pool",
+                    ),
+                ),
+                (
+                    "team",
+                    models.ForeignKey(
+                        blank=True,
+                        default=None,
+                        help_text="For a permission that concerns a team, indicates what is the concerned team.",
+                        null=True,
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="chat_channels",
+                        to="participation.team",
+                        verbose_name="team",
+                    ),
+                ),
+                (
+                    "tournament",
+                    models.ForeignKey(
+                        blank=True,
+                        default=None,
+                        help_text="For a permission that concerns a tournament, indicates what is the concerned tournament.",
+                        null=True,
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="chat_channels",
+                        to="participation.tournament",
+                        verbose_name="tournament",
+                    ),
+                ),
+            ],
+            options={
+                "verbose_name": "channel",
+                "verbose_name_plural": "channels",
+                "ordering": ("name",),
+            },
+        ),
+        migrations.CreateModel(
+            name="Message",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                (
+                    "created_at",
+                    models.DateTimeField(auto_now_add=True, verbose_name="created at"),
+                ),
+                (
+                    "updated_at",
+                    models.DateTimeField(auto_now=True, verbose_name="updated at"),
+                ),
+                ("content", models.TextField(verbose_name="content")),
+                (
+                    "author",
+                    models.ForeignKey(
+                        null=True,
+                        on_delete=django.db.models.deletion.SET_NULL,
+                        related_name="chat_messages",
+                        to=settings.AUTH_USER_MODEL,
+                        verbose_name="author",
+                    ),
+                ),
+                (
+                    "channel",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="messages",
+                        to="chat.channel",
+                        verbose_name="channel",
+                    ),
+                ),
+            ],
+            options={
+                "verbose_name": "message",
+                "verbose_name_plural": "messages",
+                "ordering": ("created_at",),
+            },
+        ),
+    ]

chat/migrations/__init__.py

@@ -0,0 +1,2 @@
+# Copyright (C) 2024 by Animath
+# SPDX-License-Identifier: GPL-3.0-or-later

chat/models.py

@@ -0,0 +1,245 @@
+# Copyright (C) 2024 by Animath
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from asgiref.sync import sync_to_async
+from django.contrib.auth.models import User
+from django.db import models
+from django.db.models import Q, QuerySet
+from django.utils.text import format_lazy
+from django.utils.translation import gettext_lazy as _
+from participation.models import Pool, Team, Tournament
+from registration.models import ParticipantRegistration, Registration, VolunteerRegistration
+from tfjm.permissions import PermissionType
+
+
+class Channel(models.Model):
+    name = models.CharField(
+        max_length=255,
+        verbose_name=_("name"),
+    )
+
+    read_access = models.CharField(
+        max_length=16,
+        verbose_name=_("read permission"),
+        choices=PermissionType,
+    )
+
+    write_access = models.CharField(
+        max_length=16,
+        verbose_name=_("write permission"),
+        choices=PermissionType,
+    )
+
+    tournament = models.ForeignKey(
+        'participation.Tournament',
+        on_delete=models.CASCADE,
+        blank=True,
+        null=True,
+        default=None,
+        verbose_name=_("tournament"),
+        related_name='chat_channels',
+        help_text=_("For a permission that concerns a tournament, indicates what is the concerned tournament."),
+    )
+
+    pool = models.ForeignKey(
+        'participation.Pool',
+        on_delete=models.CASCADE,
+        blank=True,
+        null=True,
+        default=None,
+        verbose_name=_("pool"),
+        related_name='chat_channels',
+        help_text=_("For a permission that concerns a pool, indicates what is the concerned pool."),
+    )
+
+    team = models.ForeignKey(
+        'participation.Team',
+        on_delete=models.CASCADE,
+        blank=True,
+        null=True,
+        default=None,
+        verbose_name=_("team"),
+        related_name='chat_channels',
+        help_text=_("For a permission that concerns a team, indicates what is the concerned team."),
+    )
+
+    private = models.BooleanField(
+        verbose_name=_("private"),
+        default=False,
+        help_text=_("If checked, only users who have been explicitly added to the channel will be able to access it."),
+    )
+
+    invited = models.ManyToManyField(
+        'auth.User',
+        verbose_name=_("invited users"),
+        related_name='+',
+        blank=True,
+        help_text=_("Extra users who have been invited to the channel, "
+                    "in addition to the permitted group of the channel."),
+    )
+
+    def __str__(self):
+        return str(format_lazy(_("Channel {name}"), name=self.name))
+
+    @staticmethod
+    async def get_accessible_channels(user: User, permission_type: str = 'read') -> QuerySet["Channel"]:
+        permission_type = 'write_access' if 'write' in permission_type.lower() else 'read_access'
+
+        qs = Channel.objects.none()
+        if user.is_anonymous:
+            return Channel.objects.filter(**{permission_type: PermissionType.ANONYMOUS})
+
+        qs |= Channel.objects.filter(**{permission_type: PermissionType.AUTHENTICATED})
+        registration = await Registration.objects.aget(user_id=user.id)
+
+        if registration.is_admin:
+            return Channel.objects.all()
+
+        if registration.is_volunteer:
+            registration = await VolunteerRegistration.objects \
+                .prefetch_related('jury_in__tournament', 'organized_tournaments').aget(user_id=user.id)
+
+            qs |= Channel.objects.filter(**{permission_type: PermissionType.VOLUNTEER})
+
+            qs |= Channel.objects.filter(Q(tournament__in=registration.interesting_tournaments),
+                                         **{permission_type: PermissionType.TOURNAMENT_MEMBER})
+
+            qs |= Channel.objects.filter(Q(tournament__in=registration.organized_tournaments.all()),
+                                         **{permission_type: PermissionType.TOURNAMENT_ORGANIZER})
+
+            qs |= Channel.objects.filter(Q(tournament__pools__in=registration.pools_presided.all())
+                                         | Q(tournament__in=registration.organized_tournaments.all()),
+                                         **{permission_type: PermissionType.TOURNAMENT_JURY_PRESIDENT})
+
+            qs |= Channel.objects.filter(Q(pool__in=registration.jury_in.all())
+                                         | Q(pool__tournament__in=registration.organized_tournaments.all())
+                                         | Q(pool__tournament__pools__in=registration.pools_presided.all()),
+                                         **{permission_type: PermissionType.JURY_MEMBER})
+
+            qs |= Channel.objects.filter(Q(pool__in=registration.jury_in.all())
+                                         | Q(pool__tournament__in=registration.organized_tournaments.all())
+                                         | Q(pool__tournament__pools__in=registration.pools_presided.all()),
+                                         **{permission_type: PermissionType.POOL_MEMBER})
+        else:
+            registration = await ParticipantRegistration.objects \
+                .prefetch_related('team__participation__pools', 'team__participation__tournament').aget(user_id=user.id)
+
+            team = registration.team
+            tournaments = []
+            if team.participation.valid:
+                tournaments.append(team.participation.tournament)
+            if team.participation.final:
+                tournaments.append(await Tournament.objects.aget(final=True))
+
+            qs |= Channel.objects.filter(Q(tournament__in=tournaments),
+                                         **{permission_type: PermissionType.TOURNAMENT_MEMBER})
+
+            qs |= Channel.objects.filter(Q(pool__in=team.participation.pools.all()),
+                                         **{permission_type: PermissionType.POOL_MEMBER})
+
+            qs |= Channel.objects.filter(Q(team=team),
+                                         **{permission_type: PermissionType.TEAM_MEMBER})
+
+        qs |= Channel.objects.filter(invited=user)
+
+        return qs
+
+    class Meta:
+        verbose_name = _("channel")
+        verbose_name_plural = _("channels")
+        ordering = ('name',)
+
+
+class Message(models.Model):
+    channel = models.ForeignKey(
+        Channel,
+        on_delete=models.CASCADE,
+        verbose_name=_("channel"),
+        related_name='messages',
+    )
+
+    author = models.ForeignKey(
+        'auth.User',
+        verbose_name=_("author"),
+        on_delete=models.SET_NULL,
+        null=True,
+        related_name='chat_messages',
+    )
+
+    created_at = models.DateTimeField(
+        verbose_name=_("created at"),
+        auto_now_add=True,
+    )
+
+    updated_at = models.DateTimeField(
+        verbose_name=_("updated at"),
+        auto_now=True,
+    )
+
+    content = models.TextField(
+        verbose_name=_("content"),
+    )
+
+    def get_author_name(self):
+        registration = self.author.registration
+
+        author_name = f"{self.author.first_name} {self.author.last_name}"
+        if registration.is_volunteer:
+            if registration.is_admin:
+                author_name += " (CNO)"
+
+            if self.channel.pool:
+                if registration == self.channel.pool.jury_president:
+                    author_name += " (P. jury)"
+                elif registration in self.channel.pool.juries.all():
+                    author_name += " (Juré⋅e)"
+                elif registration in self.channel.pool.tournament.organizers.all():
+                    author_name += " (CRO)"
+                else:
+                    author_name += " (Bénévole)"
+            elif self.channel.tournament:
+                if registration in self.channel.tournament.organizers.all():
+                    author_name += " (CRO)"
+                elif any([registration.id == pool.jury_president
+                          for pool in self.channel.tournament.pools.all()]):
+                    pools = ", ".join([pool.short_name
+                                       for pool in self.channel.tournament.pools.all()
+                                       if pool.jury_president == registration])
+                    author_name += f" (P. jury {pools})"
+                elif any([pool.juries.contains(registration)
+                          for pool in self.channel.tournament.pools.all()]):
+                    pools = ", ".join([pool.short_name
+                                       for pool in self.channel.tournament.pools.all()
+                                       if pool.juries.acontains(registration)])
+                    author_name += f" (Juré⋅e {pools})"
+                else:
+                    author_name += " (Bénévole)"
+            else:
+                if registration.organized_tournaments.exists():
+                    tournaments = ", ".join([tournament.name
+                                             for tournament in registration.organized_tournaments.all()])
+                    author_name += f" (CRO {tournaments})"
+                if Pool.objects.filter(jury_president=registration).exists():
+                    tournaments = Tournament.objects.filter(pools__jury_president=registration).distinct()
+                    tournaments = ", ".join([tournament.name for tournament in tournaments])
+                    author_name += f" (P. jury {tournaments})"
+                elif registration.jury_in.exists():
+                    tournaments = Tournament.objects.filter(pools__juries=registration).distinct()
+                    tournaments = ", ".join([tournament.name for tournament in tournaments])
+                    author_name += f" (Juré⋅e {tournaments})"
+        else:
+            if registration.team_id:
+                team = Team.objects.get(id=registration.team_id)
+                author_name += f" ({team.trigram})"
+            else:
+                author_name += " (sans équipe)"
+
+        return author_name
+
+    async def aget_author_name(self):
+        return await sync_to_async(self.get_author_name)()
+
+    class Meta:
+        verbose_name = _("message")
+        verbose_name_plural = _("messages")
+        ordering = ('created_at',)

chat/static/chat.js

@@ -0,0 +1,218 @@
+(async () => {
+    // check notification permission
+    // This is useful to alert people that they should do something
+    await Notification.requestPermission()
+})()
+
+const MAX_MESSAGES = 50
+
+let channels = {}
+let messages = {}
+let selected_channel_id = null
+
+/**
+ * Display a new notification with the given title and the given body.
+ * @param title The title of the notification
+ * @param body The body of the notification
+ * @param timeout The time (in milliseconds) after that the notification automatically closes. 0 to make indefinite. Default to 5000 ms.
+ * @return Notification
+ */
+function showNotification(title, body, timeout = 5000) {
+    let notif = new Notification(title, {'body': body, 'icon': "/static/tfjm.svg"})
+    if (timeout)
+        setTimeout(() => notif.close(), timeout)
+    return notif
+}
+
+function selectChannel(channel_id) {
+    let channel = channels[channel_id]
+    if (!channel) {
+        console.error('Channel not found:', channel_id)
+        return
+    }
+
+    selected_channel_id = channel_id
+
+    let channelTitle = document.getElementById('channel-title')
+    channelTitle.innerText = channel['name']
+
+    let messageInput = document.getElementById('input-message')
+    messageInput.disabled = !channel['write_access']
+
+    redrawMessages()
+}
+
+function sendMessage() {
+    let messageInput = document.getElementById('input-message')
+    let message = messageInput.value
+    messageInput.value = ''
+
+    if (!message) {
+        return
+    }
+
+    socket.send(JSON.stringify({
+        'type': 'send_message',
+        'channel_id': selected_channel_id,
+        'content': message,
+    }))
+}
+
+function setChannels(new_channels) {
+    channels = {}
+    for (let channel of new_channels) {
+        channels[channel['id']] = channel
+        if (!messages[channel['id']])
+            messages[channel['id']] = new Map()
+
+        fetchMessages(channel['id'])
+    }
+
+    if (new_channels && (!selected_channel_id || !channels[selected_channel_id]))
+        selectChannel(Object.keys(channels)[0])
+}
+
+function receiveMessage(message) {
+    messages[message['channel_id']].push(message)
+    redrawMessages()
+}
+
+function fetchMessages(channel_id, offset = 0, limit = MAX_MESSAGES) {
+    socket.send(JSON.stringify({
+        'type': 'fetch_messages',
+        'channel_id': channel_id,
+        'offset': offset,
+        'limit': limit,
+    }))
+}
+
+function fetchPreviousMessages() {
+    let channel_id = selected_channel_id
+    let offset = messages[channel_id].size
+    fetchMessages(channel_id, offset, MAX_MESSAGES)
+}
+
+function receiveFetchedMessages(data) {
+    let channel_id = data['channel_id']
+    let new_messages = data['messages']
+
+    if (!messages[channel_id])
+        messages[channel_id] = new Map()
+
+    for (let message of new_messages)
+        messages[channel_id].set(message['id'], message)
+
+    // Sort messages by timestamp
+    messages[channel_id] = new Map([...messages[channel_id].values()]
+      .sort((a, b) => new Date(a['timestamp']) - new Date(b['timestamp']))
+      .map(message => [message['id'], message]))
+
+    redrawMessages()
+}
+
+function redrawMessages() {
+    let messageList = document.getElementById('message-list')
+    messageList.innerHTML = ''
+
+    let lastMessage = null
+    let lastContentDiv = null
+
+    for (let message of messages[selected_channel_id].values()) {
+        if (lastMessage && lastMessage['author'] === message['author']) {
+            let lastTimestamp = new Date(lastMessage['timestamp'])
+            let newTimestamp = new Date(message['timestamp'])
+            if ((newTimestamp - lastTimestamp) / 1000 < 60 * 10) {
+                let messageContentDiv = document.createElement('div')
+                messageContentDiv.innerText = message['content']
+                lastContentDiv.appendChild(messageContentDiv)
+                continue
+            }
+        }
+
+        let messageElement = document.createElement('li')
+        messageElement.classList.add('list-group-item')
+        messageList.appendChild(messageElement)
+
+        let authorDiv = document.createElement('div')
+        messageElement.appendChild(authorDiv)
+
+        let authorSpan = document.createElement('span')
+        authorSpan.classList.add('text-muted', 'fw-bold')
+        authorSpan.innerText = message['author']
+        authorDiv.appendChild(authorSpan)
+
+        let dateSpan = document.createElement('span')
+        dateSpan.classList.add('text-muted', 'float-end')
+        dateSpan.innerText = new Date(message['timestamp']).toLocaleString()
+        authorDiv.appendChild(dateSpan)
+
+        let contentDiv = document.createElement('div')
+        messageElement.appendChild(contentDiv)
+
+        let messageContentDiv = document.createElement('div')
+        messageContentDiv.innerText = message['content']
+        contentDiv.appendChild(messageContentDiv)
+
+        lastMessage = message
+        lastContentDiv = contentDiv
+    }
+
+    let fetchMoreButton = document.getElementById('fetch-previous-messages')
+    if (!messages[selected_channel_id] || messages[selected_channel_id].size % MAX_MESSAGES !== 0)
+        fetchMoreButton.classList.add('d-none')
+    else
+        fetchMoreButton.classList.remove('d-none')
+}
+
+document.addEventListener('DOMContentLoaded', () => {
+    /**
+     * Process the received data from the server.
+     * @param data The received message
+     */
+    function processMessage(data) {
+        switch (data['type']) {
+            case 'fetch_channels':
+                setChannels(data['channels'])
+                break
+            case 'send_message':
+                receiveMessage(data)
+                break
+            case 'fetch_messages':
+                receiveFetchedMessages(data)
+                break
+            default:
+                console.log(data)
+                console.error('Unknown message type:', data['type'])
+                break
+        }
+    }
+
+    function setupSocket(nextDelay = 1000) {
+        // Open a global websocket
+        socket = new WebSocket(
+            (document.location.protocol === 'https:' ? 'wss' : 'ws') + '://' + window.location.host + '/ws/chat/'
+        )
+
+        // Listen on websockets and process messages from the server
+        socket.addEventListener('message', e => {
+            // Parse received data as JSON
+            const data = JSON.parse(e.data)
+
+            processMessage(data)
+        })
+
+        // Manage errors
+        socket.addEventListener('close', e => {
+            console.error('Chat socket closed unexpectedly, restarting…')
+            setTimeout(() => setupSocket(2 * nextDelay), nextDelay)
+        })
+
+        socket.addEventListener('open', e => {
+            socket.send(JSON.stringify({
+                'type': 'fetch_channels',
+            }))
+        })
+    }
+
+    setupSocket()
+})

chat/templates/chat/chat.html

@@ -0,0 +1,65 @@
+{% extends "base.html" %}
+
+{% load static %}
+{% load i18n %}
+
+{% block content %}
+    <noscript>
+        {% trans "JavaScript must be enabled on your browser to access chat." %}
+    </noscript>
+    <div class="offcanvas offcanvas-start" tabindex="-1" id="channelSelector" aria-labelledby="offcanvasExampleLabel">
+        <div class="offcanvas-header">
+            <h4 class="offcanvas-title" id="offcanvasExampleLabel">{% trans "Chat channels" %}</h4>
+            <button type="button" class="btn-close" data-bs-dismiss="offcanvas" aria-label="Close"></button>
+        </div>
+        <div class="offcanvas-body">
+            <ul class="list-group list-group-flush" id="nav-channels-tab">
+                {% for channel in channels %}
+                    <li class="list-group-item" id="tab-channel-{{ channel.id }}" data-bs-dismiss="offcanvas"
+                        onclick="selectChannel({{ channel.id }})">
+                        <button class="nav-link">{{ channel.name }}</button>
+                    </li>
+                {% endfor %}
+            </ul>
+        </div>
+    </div>
+
+    <div class="card tab-content w-100 mh-100" style="height: 95vh" id="nav-channels-content">
+        <div class="card-header">
+            <h3>
+                <button class="navbar-toggler" type="button" data-bs-toggle="offcanvas" data-bs-target="#channelSelector"
+                        aria-controls="channelSelector" aria-expanded="false" aria-label="Toggle channel selector">
+                    <span class="navbar-toggler-icon"></span>
+                </button>
+                <span id="channel-title"></span>
+            </h3>
+        </div>
+        <div class="card-body overflow-y-scroll mw-100 h-100 flex-grow-0" id="chat-messages">
+            <div class="text-center d-none" id="fetch-previous-messages">
+                <a href="#" class="nav-link" onclick="event.preventDefault(); fetchPreviousMessages()">
+                    {% trans "Fetch previous messages…" %}
+                </a>
+                <hr>
+            </div>
+            <ul class="list-group list-group-flush" id="message-list"></ul>
+        </div>
+        <div class="card-footer mt-auto">
+            <form onsubmit="event.preventDefault(); sendMessage()">
+                <div class="input-group">
+                    <label for="input-message" class="input-group-text">
+                        <i class="fas fa-comment"></i>
+                    </label>
+                    <input type="text" class="form-control" id="input-message" placeholder="{% trans "Send message…" %}" autocomplete="off">
+                    <button class="input-group-text btn btn-success" type="submit">
+                        <i class="fas fa-paper-plane"></i>
+                    </button>
+                </div>
+            </form>
+        </div>
+    </div>
+{% endblock %}
+
+{% block extrajavascript %}
+    {# This script contains all data for the chat management #}
+    <script src="{% static 'chat.js' %}"></script>
+{% endblock %}

chat/tests.py

@@ -0,0 +1,2 @@
+# Copyright (C) 2024 by Animath
+# SPDX-License-Identifier: GPL-3.0-or-later

chat/urls.py

@@ -0,0 +1,13 @@
+# Copyright (C) 2024 by Animath
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from django.urls import path
+
+from .views import ChatView
+
+
+app_name = 'chat'
+
+urlpatterns = [
+    path('', ChatView.as_view(), name='chat'),
+]

chat/views.py

@@ -0,0 +1,21 @@
+# Copyright (C) 2024 by Animath
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from django.contrib.auth.mixins import LoginRequiredMixin
+from django.views.generic import TemplateView
+
+from chat.models import Channel
+
+
+class ChatView(LoginRequiredMixin, TemplateView):
+    """
+    This view is the main interface of the chat system, which is working
+    with Javascript and websockets.
+    """
+    template_name = "chat/chat.html"
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        from asgiref.sync import async_to_sync
+        context['channels'] = async_to_sync(Channel.get_accessible_channels)(self.request.user, 'read')
+        return context

draw/consumers.py

@@ -9,6 +9,7 @@ from random import randint, shuffle
 from asgiref.sync import sync_to_async
 from channels.generic.websocket import AsyncJsonWebsocketConsumer
 from django.conf import settings
+from django.contrib.auth.models import User
 from django.contrib.contenttypes.models import ContentType
 from django.utils import translation
 from django.utils.translation import gettext_lazy as _
@@ -44,6 +45,8 @@ class DrawConsumer(AsyncJsonWebsocketConsumer):
         We accept only if this is a user of a team of the associated tournament, or a volunteer
         of the tournament.
         """
+        if '_fake_user_id' in self.scope['session']:
+            self.scope['user'] = await User.objects.aget(pk=self.scope['session']['_fake_user_id'])
 
         # Fetch the registration of the current user
         user = self.scope['user']

draw/migrations/0003_alter_teamdraw_options.py

@@ -0,0 +1,28 @@
+# Generated by Django 5.0.3 on 2024-04-22 22:11
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("draw", "0002_alter_teamdraw_purposed"),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name="teamdraw",
+            options={
+                "ordering": (
+                    "round__draw__tournament__name",
+                    "round__number",
+                    "pool__letter",
+                    "passage_index",
+                    "choice_dice",
+                    "passage_dice",
+                ),
+                "verbose_name": "team draw",
+                "verbose_name_plural": "team draws",
+            },
+        ),
+    ]

draw/routing.py

@@ -1,10 +0,0 @@
-# Copyright (C) 2023 by Animath
-# SPDX-License-Identifier: GPL-3.0-or-later
-
-from django.urls import path
-
-from . import consumers
-
-websocket_urlpatterns = [
-    path("ws/draw/", consumers.DrawConsumer.as_asgi()),
-]

draw/tests.py

@@ -14,8 +14,8 @@ from django.contrib.sites.models import Site
 from django.test import TestCase
 from django.urls import reverse
 from participation.models import Team, Tournament
+from tfjm import routing as websocket_routing
 
-from . import routing
 from .models import Draw, Pool, Round, TeamDraw
 
 
@@ -55,7 +55,7 @@ class TestDraw(TestCase):
 
         # Connect to Websocket
         headers = [(b'cookie', self.async_client.cookies.output(header='', sep='; ').encode())]
-        communicator = WebsocketCommunicator(AuthMiddlewareStack(URLRouter(routing.websocket_urlpatterns)),
+        communicator = WebsocketCommunicator(AuthMiddlewareStack(URLRouter(websocket_routing.websocket_urlpatterns)),
                                              "/ws/draw/", headers)
         connected, subprotocol = await communicator.connect()
         self.assertTrue(connected)

locale/fr/LC_MESSAGES/django.po

@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: TFJM\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-04-22 23:36+0200\n"
+"POT-Creation-Date: 2024-04-27 14:10+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: Emmy D'Anello <emmy.danello@animath.fr>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -21,14 +21,21 @@ msgstr ""
 msgid "API"
 msgstr "API"
 
-#: draw/admin.py:39 draw/admin.py:57 draw/admin.py:75
+#: chat/models.py:18 participation/models.py:35 participation/models.py:263
-#: participation/admin.py:109 participation/models.py:253
+#: participation/tables.py:18 participation/tables.py:34
-#: participation/tables.py:88
+msgid "name"
-msgid "teams"
+msgstr "nom"
-msgstr "équipes"
 
-#: draw/admin.py:53 draw/admin.py:71 draw/admin.py:88 draw/models.py:26
+#: chat/models.py:23
-#: participation/admin.py:79 participation/admin.py:140
+msgid "read permission"
+msgstr "permission de lecture"
+
+#: chat/models.py:29
+msgid "write permission"
+msgstr "permission d'écriture"
+
+#: chat/models.py:39 draw/admin.py:53 draw/admin.py:71 draw/admin.py:88
+#: draw/models.py:26 participation/admin.py:79 participation/admin.py:140
 #: participation/admin.py:171 participation/models.py:693
 #: participation/models.py:717 participation/models.py:935
 #: registration/models.py:756
@@ -36,6 +43,128 @@ msgstr "équipes"
 msgid "tournament"
 msgstr "tournoi"
 
+#: chat/models.py:41
+msgid ""
+"For a permission that concerns a tournament, indicates what is the concerned "
+"tournament."
+msgstr ""
+"Pour une permission qui concerne un tournoi, indique quel est le tournoi "
+"concerné."
+
+#: chat/models.py:50 draw/models.py:429 draw/models.py:456
+#: participation/admin.py:136 participation/admin.py:155
+#: participation/models.py:1434 participation/models.py:1443
+#: participation/tables.py:84
+msgid "pool"
+msgstr "poule"
+
+#: chat/models.py:52
+msgid ""
+"For a permission that concerns a pool, indicates what is the concerned pool."
+msgstr ""
+"Pour une permission qui concerne une poule, indique quelle est la poule "
+"concernée."
+
+#: chat/models.py:61 draw/templates/draw/tournament_content.html:277
+#: participation/admin.py:167 participation/models.py:252
+#: participation/models.py:708
+#: participation/templates/participation/tournament_harmonize.html:15
+#: registration/models.py:157 registration/models.py:747
+#: registration/tables.py:39
+#: registration/templates/registration/payment_form.html:52
+msgid "team"
+msgstr "équipe"
+
+#: chat/models.py:63
+msgid ""
+"For a permission that concerns a team, indicates what is the concerned team."
+msgstr ""
+"Pour une permission qui concerne une équipe, indique quelle est l'équipe "
+"concernée."
+
+#: chat/models.py:67
+msgid "private"
+msgstr "privé"
+
+#: chat/models.py:69
+msgid ""
+"If checked, only users who have been explicitly added to the channel will be "
+"able to access it."
+msgstr ""
+"Si sélectionné, seul⋅es les utilisateur⋅rices qui ont été explicitement "
+"ajouté⋅es au canal pourront y accéder."
+
+#: chat/models.py:74
+msgid "invited users"
+msgstr "Utilisateur⋅rices invité"
+
+#: chat/models.py:77
+msgid ""
+"Extra users who have been invited to the channel, in addition to the "
+"permitted group of the channel."
+msgstr ""
+"Utilisateur⋅rices supplémentaires qui ont été invité⋅es au canal, en plus du "
+"groupe autorisé du canal."
+
+#: chat/models.py:82
+#, python-brace-format
+msgid "Channel {name}"
+msgstr "Canal {name}"
+
+#: chat/models.py:148 chat/models.py:157
+msgid "channel"
+msgstr "canal"
+
+#: chat/models.py:149
+msgid "channels"
+msgstr "canaux"
+
+#: chat/models.py:163
+msgid "author"
+msgstr "auteur⋅rice"
+
+#: chat/models.py:170
+msgid "created at"
+msgstr "créé le"
+
+#: chat/models.py:175
+msgid "updated at"
+msgstr "modifié le"
+
+#: chat/models.py:180
+msgid "content"
+msgstr "contenu"
+
+#: chat/models.py:243
+msgid "message"
+msgstr "message"
+
+#: chat/models.py:244
+msgid "messages"
+msgstr "messages"
+
+#: chat/templates/chat/chat.html:8
+msgid "JavaScript must be enabled on your browser to access chat."
+msgstr "JavaScript doit être activé sur votre navigateur pour accéder au chat."
+
+#: chat/templates/chat/chat.html:12
+msgid "Chat channels"
+msgstr "Canaux de chat"
+
+#: chat/templates/chat/chat.html:40
+msgid "Fetch previous messages…"
+msgstr "Récupérer les messages précédents…"
+
+#: chat/templates/chat/chat.html:52
+msgid "Send message…"
+msgstr "Envoyer un message…"
+
+#: draw/admin.py:39 draw/admin.py:57 draw/admin.py:75
+#: participation/admin.py:109 participation/models.py:253
+#: participation/tables.py:88
+msgid "teams"
+msgstr "équipes"
+
 #: draw/admin.py:92 draw/models.py:234 draw/models.py:448
 #: participation/models.py:939
 msgid "round"
@@ -45,68 +174,68 @@ msgstr "tour"
 msgid "Draw"
 msgstr "Tirage au sort"
 
-#: draw/consumers.py:30
+#: draw/consumers.py:31
 msgid "You are not an organizer."
 msgstr "Vous n'êtes pas un⋅e organisateur⋅rice."
 
-#: draw/consumers.py:162
+#: draw/consumers.py:165
 msgid "The draw is already started."
 msgstr "Le tirage a déjà commencé."
 
-#: draw/consumers.py:168
+#: draw/consumers.py:171
 msgid "Invalid format"
 msgstr "Format invalide"
 
-#: draw/consumers.py:173
+#: draw/consumers.py:176
 #, python-brace-format
 msgid "The sum must be equal to the number of teams: expected {len}, got {sum}"
 msgstr ""
 "La somme doit être égale au nombre d'équipes : attendu {len}, obtenu {sum}"
 
-#: draw/consumers.py:178
+#: draw/consumers.py:181
 msgid "There can be at most one pool with 5 teams."
 msgstr "Il ne peut y avoir au plus qu'une seule poule de 5 équipes."
 
-#: draw/consumers.py:218
+#: draw/consumers.py:221
 msgid "Draw started!"
 msgstr "Le tirage a commencé !"
 
-#: draw/consumers.py:240
+#: draw/consumers.py:243
 #, python-brace-format
 msgid "The draw for the tournament {tournament} will start."
 msgstr "Le tirage au sort du tournoi {tournament} va commencer."
 
-#: draw/consumers.py:251 draw/consumers.py:277 draw/consumers.py:687
+#: draw/consumers.py:254 draw/consumers.py:280 draw/consumers.py:690
-#: draw/consumers.py:904 draw/consumers.py:993 draw/consumers.py:1015
+#: draw/consumers.py:907 draw/consumers.py:996 draw/consumers.py:1018
-#: draw/consumers.py:1106 draw/templates/draw/tournament_content.html:5
+#: draw/consumers.py:1109 draw/templates/draw/tournament_content.html:5
 msgid "The draw has not started yet."
 msgstr "Le tirage au sort n'a pas encore commencé."
 
-#: draw/consumers.py:264
+#: draw/consumers.py:267
 #, python-brace-format
 msgid "The draw for the tournament {tournament} is aborted."
 msgstr "Le tirage au sort du tournoi {tournament} est annulé."
 
-#: draw/consumers.py:304 draw/consumers.py:325 draw/consumers.py:621
+#: draw/consumers.py:307 draw/consumers.py:328 draw/consumers.py:624
-#: draw/consumers.py:692 draw/consumers.py:909
+#: draw/consumers.py:695 draw/consumers.py:912
 msgid "This is not the time for this."
 msgstr "Ce n'est pas le moment pour cela."
 
-#: draw/consumers.py:317 draw/consumers.py:320
+#: draw/consumers.py:320 draw/consumers.py:323
 msgid "You've already launched the dice."
 msgstr "Vous avez déjà lancé le dé."
 
-#: draw/consumers.py:323
+#: draw/consumers.py:326
 msgid "It is not your turn."
 msgstr "Ce n'est pas votre tour."
 
-#: draw/consumers.py:410
+#: draw/consumers.py:413
 #, python-brace-format
 msgid "Dices from teams {teams} are identical. Please relaunch your dices."
 msgstr ""
 "Les dés des équipes {teams} sont identiques. Merci de relancer vos dés."
 
-#: draw/consumers.py:1018
+#: draw/consumers.py:1021
 msgid "This is only available for the final tournament."
 msgstr "Cela n'est possible que pour la finale."
 
@@ -213,12 +342,6 @@ msgstr "L'instance complète de la poule."
 msgid "Pool {letter}{number}"
 msgstr "Poule {letter}{number}"
 
-#: draw/models.py:429 draw/models.py:456 participation/admin.py:136
-#: participation/admin.py:155 participation/models.py:1434
-#: participation/models.py:1443 participation/tables.py:84
-msgid "pool"
-msgstr "poule"
-
 #: draw/models.py:430 participation/models.py:1435
 msgid "pools"
 msgstr "poules"
@@ -352,15 +475,6 @@ msgstr "Tirer un problème pour"
 msgid "Pb."
 msgstr "Pb."
 
-#: draw/templates/draw/tournament_content.html:277 participation/admin.py:167
-#: participation/models.py:252 participation/models.py:708
-#: participation/templates/participation/tournament_harmonize.html:15
-#: registration/models.py:157 registration/models.py:747
-#: registration/tables.py:39
-#: registration/templates/registration/payment_form.html:52
-msgid "team"
-msgstr "équipe"
-
 #: draw/templates/draw/tournament_content.html:287
 #: draw/templates/draw/tournament_content.html:288
 #: draw/templates/draw/tournament_content.html:289
@@ -589,11 +703,6 @@ msgstr "Ce⋅tte défenseur⋅se ne travaille pas sur ce problème."
 msgid "The PDF file must not have more than 2 pages."
 msgstr "Le fichier PDF ne doit pas avoir plus de 2 pages."
 
-#: participation/models.py:35 participation/models.py:263
-#: participation/tables.py:18 participation/tables.py:34
-msgid "name"
-msgstr "nom"
-
 #: participation/models.py:41 participation/tables.py:39
 msgid "trigram"
 msgstr "trigramme"
@@ -1219,16 +1328,6 @@ msgstr "Pas d'équipe définie"
 msgid "Update"
 msgstr "Modifier"
 
-#: participation/templates/participation/chat.html:7
-msgid ""
-"The chat feature is now out of usage. If you feel that having a chat feature "
-"between participants is important, for example to build a team, please "
-"contact us."
-msgstr ""
-"La fonctionnalité de chat est désormais hors-service. Si vous pensez "
-"qu'avoir un chat entre les participant⋅es est important, par exemple pour "
-"former une équipe, merci de nous contacter."
-
 #: participation/templates/participation/create_team.html:11
 #: participation/templates/participation/tournament_form.html:14
 #: tfjm/templates/base.html:80
@@ -3484,11 +3583,55 @@ msgstr "Autorisation parentale de {student}.{ext}"
 msgid "Payment receipt of {registrations}.{ext}"
 msgstr "Justificatif de paiement de {registrations}.{ext}"
 
-#: tfjm/settings.py:167
+#: tfjm/permissions.py:9
+msgid "Everyone, including anonymous users"
+msgstr "Tout le monde, incluant les utilisateur⋅rices anonymes"
+
+#: tfjm/permissions.py:10
+msgid "Authenticated users"
+msgstr "Utilisateur⋅rices connecté⋅es"
+
+#: tfjm/permissions.py:11
+msgid "All volunteers"
+msgstr "Toustes les bénévoles"
+
+#: tfjm/permissions.py:12
+msgid "All members of a given tournament"
+msgstr "Toustes les membres d'un tournoi donné"
+
+#: tfjm/permissions.py:13
+msgid "Tournament organizers only"
+msgstr "Organisateur⋅rices du tournoi seulement"
+
+#: tfjm/permissions.py:14
+msgid "Tournament organizers and jury presidents of the tournament"
+msgstr "Organisateur⋅rices du tournoi et président⋅es de jury du tournoi"
+
+#: tfjm/permissions.py:15
+msgid "Jury members of the pool"
+msgstr "Membres du jury de la poule"
+
+#: tfjm/permissions.py:16
+msgid "Jury members and participants of the pool"
+msgstr "Membre du jury et participant⋅es de la poule"
+
+#: tfjm/permissions.py:17
+msgid "Members of the team and organizers of concerned tournaments"
+msgstr "Membres de l'équipe et organisateur⋅rices des tournois concernés"
+
+#: tfjm/permissions.py:18
+msgid "Private, reserved to explicit authorized users"
+msgstr "Privé, réservé aux utilisateur⋅rices explicitement autorisé⋅es"
+
+#: tfjm/permissions.py:19
+msgid "Admin users"
+msgstr "Administrateur⋅rices"
+
+#: tfjm/settings.py:168
 msgid "English"
 msgstr "Anglais"
 
-#: tfjm/settings.py:168
+#: tfjm/settings.py:169
 msgid "French"
 msgstr "Français"
 
@@ -3645,8 +3788,3 @@ msgstr "Aucun résultat."
 #: tfjm/templates/sidebar.html:10 tfjm/templates/sidebar.html:21
 msgid "Informations"
 msgstr "Informations"
-
-#~ msgid "Can't determine the pool size. Are you sure your file is correct?"
-#~ msgstr ""
-#~ "Impossible de déterminer la taille de la poule. Êtes-vous sûr⋅e que le "
-#~ "fichier est correct ?"

participation/templates/participation/chat.html

@@ -1,13 +0,0 @@
-{% extends "base.html" %}
-
-{% load i18n %}
-
-{% block content %}
-    <div class="alert alert-warning">
-    {% blocktrans trimmed %}
-        The chat feature is now out of usage. If you feel that having a chat
-        feature between participants is important, for example to build a
-        team, please contact us.
-    {% endblocktrans %}
-    </div>
-{% endblock %}

participation/urls.py

@@ -2,7 +2,6 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 from django.urls import path
-from django.views.generic import TemplateView
 
 from .views import CreateTeamView, FinalNotationSheetTemplateView, GSheetNotificationsView, JoinTeamView, \
     MyParticipationDetailView, MyTeamDetailView, NotationSheetsArchiveView, NoteUpdateView, ParticipationDetailView, \
@@ -74,5 +73,4 @@ urlpatterns = [
     path("pools/passages/<int:pk>/update/", PassageUpdateView.as_view(), name="passage_update"),
     path("pools/passages/<int:pk>/solution/", SynthesisUploadView.as_view(), name="upload_synthesis"),
     path("pools/passages/notes/<int:pk>/", NoteUpdateView.as_view(), name="update_notes"),
-    path("chat/", TemplateView.as_view(template_name="participation/chat.html"), name="chat")
 ]

tfjm/asgi.py

@@ -22,13 +22,13 @@ os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'tfjm.settings')
 django_asgi_app = get_asgi_application()
 
 # useful since the import must be done after the application initialization
-import draw.routing  # noqa: E402, I202
+import tfjm.routing  # noqa: E402, I202
 
 application = ProtocolTypeRouter(
     {
         "http": django_asgi_app,
         "websocket": AllowedHostsOriginValidator(
-            AuthMiddlewareStack(URLRouter(draw.routing.websocket_urlpatterns))
+            AuthMiddlewareStack(URLRouter(tfjm.routing.websocket_urlpatterns))
         ),
     }
 )

tfjm/permissions.py

@@ -0,0 +1,19 @@
+# Copyright (C) 2024 by Animath
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from django.db import models
+from django.utils.translation import gettext_lazy as _
+
+
+class PermissionType(models.TextChoices):
+    ANONYMOUS = 'anonymous', _("Everyone, including anonymous users")
+    AUTHENTICATED = 'authenticated', _("Authenticated users")
+    VOLUNTEER = 'volunteer', _("All volunteers")
+    TOURNAMENT_MEMBER = 'tournament', _("All members of a given tournament")
+    TOURNAMENT_ORGANIZER = 'organizer', _("Tournament organizers only")
+    TOURNAMENT_JURY_PRESIDENT = 'jury_president', _("Tournament organizers and jury presidents of the tournament")
+    JURY_MEMBER = 'jury', _("Jury members of the pool")
+    POOL_MEMBER = 'pool', _("Jury members and participants of the pool")
+    TEAM_MEMBER = 'team', _("Members of the team and organizers of concerned tournaments")
+    PRIVATE = 'private', _("Private, reserved to explicit authorized users")
+    ADMIN = 'admin', _("Admin users")

tfjm/routing.py

@@ -0,0 +1,11 @@
+# Copyright (C) 2024 by Animath
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+import chat.consumers
+from django.urls import path
+import draw.consumers
+
+websocket_urlpatterns = [
+    path("ws/chat/", chat.consumers.ChatConsumer.as_asgi()),
+    path("ws/draw/", draw.consumers.DrawConsumer.as_asgi()),
+]

tfjm/settings.py

@@ -68,6 +68,7 @@ INSTALLED_APPS = [
     'rest_framework.authtoken',
 
     'api',
+    'chat',
     'draw',
     'registration',
     'participation',

tfjm/templates/base.html

@@ -40,18 +40,18 @@
 <body class="d-flex w-100 h-100 flex-column">
 {% include "navbar.html" %}
 
-<div id="body-wrapper" class="row w-100 my-3">
+<div id="body-wrapper" class="row w-100 my-3 flex-grow-1">
     <aside class="col-lg-2 px-2">
         {% include "sidebar.html" %}
     </aside>
 
-    <main class="col d-flex flex-column">
+    <main class="col d-flex flex-column flex-grow-1">
-        <div class="container">
+        <div class="container d-flex flex-column flex-grow-1">
             {% block content-title %}<h1 id="content-title">{{ title }}</h1>{% endblock %}
 
             {% include "messages.html" %}
 
-            <div id="content">
+            <div id="content" class="d-flex flex-column flex-grow-1">
                 {% block content %}
                     <p>Default content...</p>
                 {% endblock content %}

tfjm/templates/navbar.html

@@ -62,8 +62,8 @@
                     </li>
                 {% endif %}
             {% endif %}
-            <li class="nav-item active d-none">
+            <li class="nav-item active">
-                <a class="nav-link" href="{% url "participation:chat" %}">
+                <a class="nav-link" href="{% url "chat:chat" %}">
                     <i class="fas fa-comments"></i> {% trans "Chat" %}
                 </a>
             </li>

tfjm/urls.py

@@ -37,6 +37,7 @@ urlpatterns = [
     path('search/', AdminSearchView.as_view(), name="haystack_search"),
 
     path('api/', include('api.urls')),
+    path('chat/', include('chat.urls')),
     path('draw/', include('draw.urls')),
     path('participation/', include('participation.urls')),
     path('registration/', include('registration.urls')),