WIP

src/backend/marsha/bbb/api.py

@@ -19,6 +19,7 @@
     get_recordings,
     join,
     process_recordings,
+    get_session_shared_note,
 )
 from marsha.core import defaults, permissions as core_permissions
 from marsha.core.api import APIViewMixin, ObjectPkMixin, ObjectRelatedMixin
@@ -365,6 +366,11 @@ def service_end(self, request, *args, **kwargs):
         Type[rest_framework.response.Response]
             HttpResponse with the serialized classroom.
         """
+        try:
+            get_session_shared_note(classroom=self.get_object())
+        except ApiMeetingException as exception:
+            response = {"message": str(exception)}
+            status = 400
         try:
             response = end(classroom=self.get_object())
             status = 200

src/backend/marsha/bbb/migrations/0014_classroomsharednote.py

@@ -0,0 +1,83 @@
+# Generated by Django 4.1.7 on 2023-04-20 15:49
+
+import uuid
+
+from django.db import migrations, models
+import django.db.models.deletion
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("bbb", "0013_classroom_tools_parameters"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="ClassroomSharedNote",
+            fields=[
+                (
+                    "deleted",
+                    models.DateTimeField(db_index=True, editable=False, null=True),
+                ),
+                (
+                    "deleted_by_cascade",
+                    models.BooleanField(default=False, editable=False),
+                ),
+                (
+                    "id",
+                    models.UUIDField(
+                        default=uuid.uuid4,
+                        editable=False,
+                        help_text="primary key for the shared note as UUID",
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="id",
+                    ),
+                ),
+                (
+                    "created_on",
+                    models.DateTimeField(
+                        default=django.utils.timezone.now,
+                        editable=False,
+                        help_text="date and time at which a shared note was created",
+                        verbose_name="created on",
+                    ),
+                ),
+                (
+                    "updated_on",
+                    models.DateTimeField(
+                        auto_now=True,
+                        help_text="date and time at which a shared note was last updated",
+                        verbose_name="updated on",
+                    ),
+                ),
+                (
+                    "shared_note_url",
+                    models.CharField(
+                        blank=True,
+                        help_text="url of the classroom shared note",
+                        max_length=255,
+                        null=True,
+                        verbose_name="shared note url",
+                    ),
+                ),
+                (
+                    "classroom",
+                    models.ForeignKey(
+                        help_text="classroom to which this shared note belongs",
+                        on_delete=django.db.models.deletion.PROTECT,
+                        related_name="shared notes",
+                        to="bbb.classroom",
+                        verbose_name="classroom shared note",
+                    ),
+                ),
+            ],
+            options={
+                "verbose_name": "Classroom shared note",
+                "verbose_name_plural": "Classroom shared notes",
+                "db_table": "classroom_shared_note",
+                "ordering": ["-updated_on"],
+            },
+        ),
+    ]

src/backend/marsha/bbb/models.py

@@ -285,3 +285,32 @@ class Meta:
         ordering = ["-created_on"]
         verbose_name = _("Classroom recording")
         verbose_name_plural = _("Classroom recordings")
+
+
+class ClassroomSharedNote(BaseModel):
+    """Model representing a shared note in a classroom."""
+
+    classroom = models.ForeignKey(
+        to=Classroom,
+        related_name="shared_notes",
+        verbose_name=_("classroom shared notes"),
+        help_text=_("classroom to which this shared note belongs"),
+        # don't allow hard deleting a classroom if it still contains a recording
+        on_delete=models.PROTECT,
+    )
+
+    shared_note_url = models.CharField(
+        max_length=255,
+        verbose_name=_("shared note url"),
+        help_text=_("url of the classroom shared note"),
+        null=True,
+        blank=True,
+    )
+
+    class Meta:
+        """Options for the ``ClassroomSharedNote`` model."""
+
+        db_table = "classroom_shared_note"
+        ordering = ["-updated_on"]
+        verbose_name = _("Classroom shared note")
+        verbose_name_plural = _("Classroom shared notes")

src/backend/marsha/bbb/serializers.py

@@ -12,7 +12,7 @@
 
 from rest_framework import serializers
 
-from marsha.bbb.models import Classroom, ClassroomDocument, ClassroomRecording
+from marsha.bbb.models import Classroom, ClassroomDocument, ClassroomRecording, ClassroomSharedNote
 from marsha.bbb.utils.bbb_utils import (
     ApiMeetingException,
     get_meeting_infos,
@@ -54,6 +54,28 @@ class Meta:  # noqa
     )
 
 
+class ClassroomSharedNoteSerializer(ReadOnlyModelSerializer):
+    """A serializer to display a ClassroomRecording resource."""
+
+    class Meta:  # noqa
+        model = ClassroomSharedNote
+        fields = (
+            "id",
+            "classroom",
+            "shared_note_url",
+        )
+        read_only_fields = (
+            "id",
+            "classroom",
+            "shared_note_url",
+        )
+
+    # Make sure classroom UUID is converted to a string during serialization
+    classroom = serializers.PrimaryKeyRelatedField(
+        read_only=True, pk_field=serializers.CharField()
+    )
+
+
 class ClassroomSerializer(serializers.ModelSerializer):
     """A serializer to display a Classroom resource."""
 
@@ -72,6 +94,7 @@ class Meta:  # noqa
             "starting_at",
             "estimated_duration",
             "recordings",
+            "shared_notes",
             # specific generated fields
             "infos",
             "invite_token",
@@ -100,6 +123,7 @@ class Meta:  # noqa
     invite_token = serializers.SerializerMethodField()
     instructor_token = serializers.SerializerMethodField()
     recordings = serializers.SerializerMethodField()
+    shared_notes = serializers.SerializerMethodField()
 
     def get_infos(self, obj):
         """Meeting infos from BBB server."""
@@ -137,6 +161,17 @@ def get_recordings(self, obj):
             ).data
         return []
 
+    def get_shared_notes(self, obj):
+        """Get the shared notes for the classroom.
+
+        Only available for admins.
+        """
+        if self.context.get("is_admin", True):
+            return ClassroomSharedNoteSerializer(
+                obj.shared_notes.all(), many=True, context=self.context
+            ).data
+        return []
+
     def update(self, instance, validated_data):
         if any(
             attribute in validated_data

src/backend/marsha/bbb/utils/bbb_utils.py

@@ -10,7 +10,7 @@
 import requests
 import xmltodict
 
-from marsha.bbb.models import Classroom, ClassroomRecording
+from marsha.bbb.models import Classroom, ClassroomRecording, ClassroomSharedNote
 from marsha.core.utils import time_utils
 
 
@@ -194,6 +194,37 @@ def get_meeting_infos(classroom: Classroom):
         raise exception
 
 
+def get_session_shared_note(classroom: Classroom):
+    """Call BBB API to retrieve shared notes."""
+
+    try:
+        meeting_infos = get_meeting_infos(classroom=classroom)
+        session_id = meeting_infos["id"]
+    except ApiMeetingException as exception:
+        raise exception
+
+    url = f"{settings.BBB_API_ENDPOINT}/{session_id}/notes.html"
+    request = requests.request(
+        "get",
+        url,
+        verify=not settings.DEBUG,
+        timeout=settings.BBB_API_TIMEOUT,
+    )
+    if request.status_code == 200:
+        classroom_shared_note, created = ClassroomSharedNote.objects.get_or_create(
+            classroom=classroom, shared_note_url=url
+        )
+        logger.info(
+            "%s shared note uploaded on %s with url %s",
+            "Created" if created else "Updated",
+            classroom_shared_note.updated_on.isoformat(),
+            classroom_shared_note.shared_note_url,
+        )
+        return classroom_shared_note
+
+    raise ApiMeetingException(request)
+
+
 def get_recordings(meeting_id: str = None, record_id: str = None):
     """Call BBB API to retrieve recordings."""
     parameters = {}

src/frontend/packages/lib_classroom/src/components/ClassroomWidgetProvider/index.tsx

@@ -11,6 +11,7 @@ import { Description } from './widgets/Description';
 import { Invite } from './widgets/Invite';
 import { Recordings } from './widgets/Recordings';
 import { Scheduling } from './widgets/Scheduling';
+import { SharedNotes } from './widgets/SharedNotes';
 import { SupportSharing } from './widgets/SupportSharing';
 import { ToolsAndApplications } from './widgets/ToolsAndApplications';
 
@@ -21,6 +22,7 @@ enum WidgetType {
   INVITE = 'INVITE',
   SUPPORT_SHARING = 'SUPPORT_SHARING',
   RECORDINGS = 'RECORDINGS',
+  SHARED_NOTES = 'SHARED_NOTES',
 }
 
 const widgetLoader: { [key in WidgetType]: WidgetProps } = {
@@ -48,6 +50,10 @@ const widgetLoader: { [key in WidgetType]: WidgetProps } = {
     component: <ToolsAndApplications />,
     size: WidgetSize.DEFAULT,
   },
+  [WidgetType.SHARED_NOTES]: {
+    component: <SharedNotes />,
+    size: WidgetSize.DEFAULT,
+  },
 };
 
 const classroomWidgets: WidgetType[] = [
@@ -57,6 +63,7 @@ const classroomWidgets: WidgetType[] = [
   WidgetType.SCHEDULING,
   WidgetType.SUPPORT_SHARING,
   WidgetType.RECORDINGS,
+  WidgetType.SHARED_NOTES,
 ];
 
 export const ClassroomWidgetProvider = () => {

src/frontend/packages/lib_classroom/src/components/ClassroomWidgetProvider/widgets/Recordings/index.spec.tsx

@@ -17,14 +17,14 @@ describe('<Recordings />', () => {
     let classroom = classroomMockFactory({ id: '1', started: false });
     const classroomRecordings = [
       classroomRecordingMockFactory({
-        started_at: DateTime.fromJSDate(
-          new Date(2022, 1, 29, 11, 0, 0),
-        ).toISO() as string,
+        started_at:
+          DateTime.fromJSDate(new Date(2022, 1, 29, 11, 0, 0)).toISO() ||
+          undefined,
       }),
       classroomRecordingMockFactory({
-        started_at: DateTime.fromJSDate(
-          new Date(2022, 1, 15, 11, 0, 0),
-        ).toISO() as string,
+        started_at:
+          DateTime.fromJSDate(new Date(2022, 1, 15, 11, 0, 0)).toISO() ||
+          undefined,
       }),
     ];
 

src/frontend/packages/lib_classroom/src/components/ClassroomWidgetProvider/widgets/SharedNotes/index.spec.tsx

@@ -0,0 +1,66 @@
+import { screen } from '@testing-library/react';
+import { InfoWidgetModalProvider } from 'lib-components';
+import { render } from 'lib-tests';
+import { DateTime } from 'luxon';
+import React from 'react';
+
+import {
+  classroomMockFactory,
+  classroomSharedNoteMockFactory,
+} from '@lib-classroom/utils/tests/factories';
+import { wrapInClassroom } from '@lib-classroom/utils/wrapInClassroom';
+
+import { SharedNotes } from '.';
+
+describe('<SharedNotes />', () => {
+  it('displays a list of available shared notes', () => {
+    let classroom = classroomMockFactory({ id: '1', started: false });
+    const classroomSharedNotes = [
+      classroomSharedNoteMockFactory({
+        updated_on:
+          DateTime.fromJSDate(new Date(2022, 1, 29, 11, 0, 0)).toISO() ||
+          undefined,
+      }),
+      classroomSharedNoteMockFactory({
+        updated_on:
+          DateTime.fromJSDate(new Date(2022, 1, 15, 11, 0, 0)).toISO() ||
+          undefined,
+      }),
+    ];
+
+    const { rerender } = render(
+      wrapInClassroom(
+        <InfoWidgetModalProvider value={null}>
+          <SharedNotes />,
+        </InfoWidgetModalProvider>,
+        classroom,
+      ),
+    );
+
+    expect(screen.getByText('Shared notes')).toBeInTheDocument();
+    expect(screen.getByText('No shared note available')).toBeInTheDocument();
+
+    // simulate updated classroom
+    classroom = {
+      ...classroom,
+      shared_notes: classroomSharedNotes,
+    };
+    rerender(
+      wrapInClassroom(
+        <InfoWidgetModalProvider value={null}>
+          <SharedNotes />,
+        </InfoWidgetModalProvider>,
+        classroom,
+      ),
+    );
+    expect(
+      screen.queryByText('No shared note available'),
+    ).not.toBeInTheDocument();
+    expect(
+      screen.getByText('Tuesday, March 1, 2022 - 11:00 AM'),
+    ).toBeInTheDocument();
+    expect(
+      screen.getByText('Tuesday, February 15, 2022 - 11:00 AM'),
+    ).toBeInTheDocument();
+  });
+});