VBV-726: Mediathek für Berufsbildner

server/vbv_lernwelt/iam/permissions.py

@@ -69,18 +69,37 @@ def has_media_library(user, course_session_id: int):
     ).exists()
 
 
-def is_course_session_learning_mentor(mentor: User, course_session_id: int):
+def has_agent_role_in_course_session(
+    agent: User, course_session_id: int, role: AgentParticipantRoleType
+):
     course_session = CourseSession.objects.get(id=course_session_id)
 
     if course_session is None:
         return False
 
     return AgentParticipantRelation.objects.filter(
-        agent=mentor,
-        role=AgentParticipantRoleType.LEARNING_MENTOR.value,
+        agent=agent,
+        participant__course_session_id=course_session_id,
+        role=role.value,
     ).exists()
 
 
+def is_course_session_learning_mentor(mentor: User, course_session_id: int):
+    return has_agent_role_in_course_session(
+        agent=mentor,
+        course_session_id=course_session_id,
+        role=AgentParticipantRoleType.LEARNING_MENTOR,
+    )
+
+
+def is_course_session_berufsbildner(agent: User, course_session_id: int):
+    return has_agent_role_in_course_session(
+        agent=agent,
+        course_session_id=course_session_id,
+        role=AgentParticipantRoleType.BERUFSBILDNER,
+    )
+
+
 def is_agent_for_user(
     agent: User,
     participant_user_id: str,
@@ -329,6 +348,7 @@ def course_session_permissions(user: User, course_session_id: int) -> list[str]:
     is_expert = is_course_session_expert(user, course_session_id)
     is_member = is_course_session_member(user, course_session_id)
     is_learning_mentor = is_course_session_learning_mentor(user, course_session_id)
+    is_berufsbildner = is_course_session_berufsbildner(user, course_session_id)
 
     course_has_learning_mentor = (
         course_session.course.configuration.enable_learning_mentor
@@ -350,7 +370,9 @@ def course_session_permissions(user: User, course_session_id: int) -> list[str]:
             "learning-mentor::guide-members": course_has_learning_mentor
             and is_learning_mentor,
             "preview": has_course_session_preview(user, course_session_id),
-            "media-library": is_supervisor or is_expert or is_member,
+            "media-library": (
+                is_supervisor or is_expert or is_member or is_berufsbildner
+            ),
             "appointments": is_supervisor or is_expert or is_member,
             "expert-cockpit": is_expert,
             "learning-path": is_member,