Made coach dashboard available on ccx in addition to master course

lms/djangoapps/ccx/tests/test_views.py

@@ -286,6 +286,10 @@ def test_create_ccx(self):
         course_enrollments = get_override_for_ccx(ccx, self.course, 'max_student_enrollments_allowed')
         self.assertEqual(course_enrollments, settings.CCX_MAX_STUDENTS_ALLOWED)
 
+        # assert ccx creator has role=ccx_coach
+        role = CourseCcxCoachRole(course_key)
+        self.assertTrue(role.has_user(self.coach))
+
     @SharedModuleStoreTestCase.modifies_courseware
     @patch('ccx.views.render_to_response', intercept_renderer)
     @patch('ccx.views.TODAY')

lms/djangoapps/ccx/views.py

@@ -42,6 +42,7 @@
 from student.roles import CourseCcxCoachRole
 from student.models import CourseEnrollment
 
+from instructor.access import allow_access
 from instructor.views.api import _split_input_list
 from instructor.views.gradebook_api import get_grade_book_page
 from instructor.views.tools import get_student_from_identifier
@@ -132,7 +133,10 @@ def dashboard(request, course, ccx=None):
     }
 
     if ccx:
-        ccx_locator = CCXLocator.from_course_locator(course.id, ccx.id)
+        ccx_locator = CCXLocator.from_course_locator(course.id, unicode(ccx.id))
+        # At this point we are done with verification that current user is ccx coach.
+        assign_coach_role_to_ccx(ccx_locator, request.user, course.id)
+
         schedule = get_ccx_schedule(course, ccx)
         grading_policy = get_override_for_ccx(
             ccx, course, 'grading_policy', course.grading_policy)
@@ -147,6 +151,7 @@ def dashboard(request, course, ccx=None):
         context['grading_policy'] = json.dumps(grading_policy, indent=4)
         context['grading_policy_url'] = reverse(
             'ccx_set_grading_policy', kwargs={'course_id': ccx_locator})
+
     else:
         context['create_ccx_url'] = reverse(
             'create_ccx', kwargs={'course_id': course.id})
@@ -208,9 +213,31 @@ def create_ccx(request, course, ccx=None):
         email_params=email_params,
     )
 
+    assign_coach_role_to_ccx(ccx_id, request.user, course.id)
+
     return redirect(url)
 
 
+def assign_coach_role_to_ccx(ccx_locator, user, master_course_id):
+    """
+    Check if user has ccx_coach role on master course then assign him coach role on ccx only
+    if role is not already assigned. Because of this coach can open dashboard from master course
+    as well as ccx.
+    :param ccx_locator: CCX key
+    :param user: User to whom we want to assign role.
+    :param master_course_id: Master course key
+    """
+    coach_role_on_master_course = CourseCcxCoachRole(master_course_id)
+    # check if user has coach role on master course
+    if coach_role_on_master_course.has_user(user):
+        # Check if user has coach role on ccx.
+        role = CourseCcxCoachRole(ccx_locator)
+        if not role.has_user(user):
+            # assign user role coach on ccx
+            with ccx_course(ccx_locator) as course:
+                allow_access(course, user, "ccx_coach", send_email=False)
+
+
 @ensure_csrf_cookie
 @cache_control(no_cache=True, no_store=True, must_revalidate=True)
 @coach_dashboard

lms/djangoapps/instructor/access.py

@@ -45,25 +45,25 @@ def list_with_level(course, level):
     return ROLES[level](course.id).users_with_role()
 
 
-def allow_access(course, user, level):
+def allow_access(course, user, level, send_email=True):
     """
     Allow user access to course modification.
 
     `level` is one of ['instructor', 'staff', 'beta']
     """
-    _change_access(course, user, level, 'allow')
+    _change_access(course, user, level, 'allow', send_email)
 
 
-def revoke_access(course, user, level):
+def revoke_access(course, user, level, send_email=True):
     """
     Revoke access from user to course modification.
 
     `level` is one of ['instructor', 'staff', 'beta']
     """
-    _change_access(course, user, level, 'revoke')
+    _change_access(course, user, level, 'revoke', send_email)
 
 
-def _change_access(course, user, level, action):
+def _change_access(course, user, level, action, send_email=True):
     """
     Change access of user.
 
@@ -85,7 +85,7 @@ def _change_access(course, user, level, action):
                 course_id=course.id,
                 student_email=user.email,
                 auto_enroll=True,
-                email_students=True,
+                email_students=send_email,
                 email_params=email_params,
             )
         role.add_users(user)