Add ralph for xAPI statements generation in backend

CHANGELOG.md

@@ -10,6 +10,7 @@ Versioning](https://semver.org/spec/v2.0.0.html).
 
 ### Added
 
+- Integrate `ralph-malph` library for xAPI statements generation
 - Add scaleway storage configuration
 - Add Peertube pipeline to VOD
 - Celery task queue

src/backend/marsha/core/api/xapi.py

@@ -17,6 +17,7 @@
 from marsha.core import permissions, serializers
 from marsha.core.api.base import APIViewMixin
 from marsha.core.defaults import XAPI_STATEMENT_ID_CACHE
+from marsha.core.lti import LTI
 from marsha.core.xapi import XAPI, get_xapi_statement
 
 
@@ -41,10 +42,12 @@ def _statement_from_lti(
         xapi_logger = logging.getLogger(f"xapi.{consumer_site.domain}")
 
         # xapi statement enriched with video and jwt_token information
+        lti = LTI(request, object_instance)
         xapi_statement = statement_class.from_lti(
             object_instance,
             partial_xapi_statement.validated_data,
             request.resource.token,
+            lti.origin_url
         )
 
         # Log the statement in the xapi logger

src/backend/marsha/core/lti/__init__.py

@@ -33,7 +33,7 @@ def __init__(self, request, resource_id=None):
         request : django.http.request.HttpRequest
             The request that holds the LTI parameters
         resource_id : uuid.uuid4
-            The primary key of the video targetted by the LTI query as a UUID.
+            The primary key of the video targeted by the LTI query as a UUID.
 
         """
         self.resource_id = resource_id

src/backend/marsha/core/tests/api/xapi/document/test_from_website.py

@@ -24,6 +24,7 @@ def test_xapi_statement_document_resource(self):
 
         session_id = str(uuid.uuid4())
         jwt_token = UserAccessTokenFactory()
+        print(jwt_token.__dict__)
 
         data = {
             "verb": {

src/backend/marsha/core/tests/api/xapi/video/test_from_website.py

@@ -12,7 +12,7 @@
 from logging_ldp.formatters import LDPGELFFormatter
 
 from marsha.core.defaults import XAPI_STATEMENT_ID_CACHE
-from marsha.core.factories import VideoFactory
+from marsha.core.factories import VideoFactory, UserFactory
 from marsha.core.simple_jwt.factories import UserAccessTokenFactory
 
 
@@ -199,7 +199,8 @@ def test_xapi_statement_with_two_same_event(self):
         """
         video = VideoFactory()
         jwt_token = UserAccessTokenFactory()
-
+        user=UserFactory(username="johndoe")
+        print(user)
         data = {
             "id": "7b18195e-e183-4bbf-b8ef-5145ef64ae19",
             "verb": {