Add ability to activate a child block via jump_to_id.

common/lib/xmodule/xmodule/modulestore/search.py

@@ -86,6 +86,7 @@ def path_to_location(modulestore, usage_key):
         # pull out the location names
         chapter = path[1].name if n > 1 else None
         section = path[2].name if n > 2 else None
+        vertical = path[3].name if n > 3 else None
         # Figure out the position
         position = None
 
@@ -109,7 +110,7 @@ def path_to_location(modulestore, usage_key):
                     position_list.append(str(child_locs.index(path[path_index + 1]) + 1))
             position = "_".join(position_list)
 
-        return (course_id, chapter, section, position)
+    return (course_id, chapter, section, vertical, position, path[-1])
 
 
 def navigation_index(position):

common/lib/xmodule/xmodule/modulestore/tests/test_mixed_modulestore.py

@@ -1221,15 +1221,16 @@ class TestMixedModuleStore(CommonMixedModuleStoreSetup):
 
             should_work = (
                 (self.problem_x1a_2,
-                 (course_key, u"Chapter_x", u"Sequential_x1", '1')),
+                 (course_key, u"Chapter_x", u"Sequential_x1", u'Vertical_x1a', '1', self.problem_x1a_2)),
                 (self.chapter_x,
-                 (course_key, "Chapter_x", None, None)),
+                 (course_key, "Chapter_x", None, None, None, self.chapter_x)),
             )
 
             for location, expected in should_work:
                 # each iteration has different find count, pop this iter's find count
                 with check_mongo_calls(num_finds.pop(0), num_sends):
-                    self.assertEqual(path_to_location(self.store, location), expected)
+                    path = path_to_location(self.store, location)
+                    self.assertEqual(path, expected)
 
         not_found = (
             course_key.make_usage_key('video', 'WelcomeX'),
@@ -1259,11 +1260,13 @@ class TestMixedModuleStore(CommonMixedModuleStoreSetup):
         # only needs course_locations set
         self.initdb('draft')
         course_key = self.course_locations[self.XML_COURSEID1].course_key
+        video_key = course_key.make_usage_key('video', 'Welcome')
+        chapter_key = course_key.make_usage_key('chapter', 'Overview')
         should_work = (
-            (course_key.make_usage_key('video', 'Welcome'),
-             (course_key, "Overview", "Welcome", None)),
-            (course_key.make_usage_key('chapter', 'Overview'),
-             (course_key, "Overview", None, None)),
+            (video_key,
+             (course_key, "Overview", "Welcome", None, None, video_key)),
+            (chapter_key,
+             (course_key, "Overview", None, None, None, chapter_key)),
         )
 
         for location, expected in should_work:

lms/djangoapps/courseware/tests/test_views.py

@@ -83,10 +83,11 @@ class TestJumpTo(ModuleStoreTestCase):
         course = CourseFactory.create()
         chapter = ItemFactory.create(category='chapter', parent_location=course.location)
         section = ItemFactory.create(category='sequential', parent_location=chapter.location)
-        expected = 'courses/{course_id}/courseware/{chapter_id}/{section_id}/'.format(
+        expected = 'courses/{course_id}/courseware/{chapter_id}/{section_id}/?activate_block_id={section_key}'.format(
             course_id=unicode(course.id),
             chapter_id=chapter.url_name,
             section_id=section.url_name,
+            section_key=unicode(section.location)
         )
         jumpto_url = '{0}/{1}/jump_to/{2}'.format(
             '/courses',
@@ -105,10 +106,11 @@ class TestJumpTo(ModuleStoreTestCase):
         module1 = ItemFactory.create(category='html', parent_location=vertical1.location)
         module2 = ItemFactory.create(category='html', parent_location=vertical2.location)
 
-        expected = 'courses/{course_id}/courseware/{chapter_id}/{section_id}/1'.format(
+        expected = 'courses/{course_id}/courseware/{chapter_id}/{section_id}/1?activate_block_id={module_key}'.format(
             course_id=unicode(course.id),
             chapter_id=chapter.url_name,
             section_id=section.url_name,
+            module_key=unicode(module1.location)
         )
         jumpto_url = '{0}/{1}/jump_to/{2}'.format(
             '/courses',
@@ -118,10 +120,11 @@ class TestJumpTo(ModuleStoreTestCase):
         response = self.client.get(jumpto_url)
         self.assertRedirects(response, expected, status_code=302, target_status_code=302)
 
-        expected = 'courses/{course_id}/courseware/{chapter_id}/{section_id}/2'.format(
+        expected = 'courses/{course_id}/courseware/{chapter_id}/{section_id}/2?activate_block_id={module_key}'.format(
             course_id=unicode(course.id),
             chapter_id=chapter.url_name,
             section_id=section.url_name,
+            module_key=unicode(module2.location),
         )
         jumpto_url = '{0}/{1}/jump_to/{2}'.format(
             '/courses',
@@ -145,10 +148,11 @@ class TestJumpTo(ModuleStoreTestCase):
 
         # internal position of module2 will be 1_2 (2nd item withing 1st item)
 
-        expected = 'courses/{course_id}/courseware/{chapter_id}/{section_id}/1'.format(
+        expected = 'courses/{course_id}/courseware/{chapter_id}/{section_id}/1?activate_block_id={module_key}'.format(
             course_id=unicode(course.id),
             chapter_id=chapter.url_name,
             section_id=section.url_name,
+            module_key=unicode(module2.location)
         )
         jumpto_url = '{0}/{1}/jump_to/{2}'.format(
             '/courses',
@@ -1084,6 +1088,23 @@ class GenerateUserCertTests(ModuleStoreTestCase):
         ), resp.content)
 
 
+class ActivateIDCheckerBlock(XBlock):
+    """
+    XBlock for checking for an activate_block_id entry in the render context.
+    """
+    # We don't need actual children to test this.
+    has_children = False
+
+    def student_view(self, context):
+        """
+        A student view that displays the activate_block_id context variable.
+        """
+        result = Fragment()
+        if 'activate_block_id' in context:
+            result.add_content(u"Activate Block ID: {block_id}</p>".format(block_id=context['activate_block_id']))
+        return result
+
+
 class ViewCheckerBlock(XBlock):
     """
     XBlock for testing user state in views.
@@ -1117,7 +1138,7 @@ class TestIndexView(ModuleStoreTestCase):
 
     @XBlock.register_temp_plugin(ViewCheckerBlock, 'view_checker')
     @ddt.data(ModuleStoreEnum.Type.mongo, ModuleStoreEnum.Type.split)
-    def test_student_state(self, default_store):
+    def test_student_state(self, default_store, ):
         """
         Verify that saved student state is loaded for xblocks rendered in the index view.
         """
@@ -1157,6 +1178,33 @@ class TestIndexView(ModuleStoreTestCase):
         response = views.index(request, unicode(course.id), chapter=chapter.url_name, section=section.url_name)
         self.assertEquals(response.content.count("ViewCheckerPassed"), 3)
 
+    @XBlock.register_temp_plugin(ActivateIDCheckerBlock, 'id_checker')
+    def test_activate_block_id(self):
+        user = UserFactory()
+
+        course = CourseFactory.create()
+        chapter = ItemFactory.create(parent=course, category='chapter')
+        section = ItemFactory.create(parent=chapter, category='sequential', display_name="Sequence")
+        vertical = ItemFactory.create(parent=section, category='vertical', display_name="Vertical")
+        ItemFactory.create(parent=vertical, category='id_checker', display_name="ID Checker")
+
+        CourseEnrollmentFactory(user=user, course_id=course.id)
+
+        request = RequestFactory().get(
+            reverse(
+                'courseware_section',
+                kwargs={
+                    'course_id': unicode(course.id),
+                    'chapter': chapter.url_name,
+                    'section': section.url_name,
+                }
+            ) + '?activate_block_id=test_block_id'
+        )
+        request.user = user
+        mako_middleware_process_request(request)
+
+        response = views.index(request, unicode(course.id), chapter=chapter.url_name, section=section.url_name)
+        self.assertIn("Activate Block ID: test_block_id", response.content)
 
 class TestRenderXBlock(RenderXBlockTestMixin, ModuleStoreTestCase):
     """

lms/djangoapps/courseware/url_helpers.py

@@ -20,7 +20,10 @@ def get_redirect_url(course_key, usage_key):
         Redirect url string
     """
 
-    (course_key, chapter, section, position) = path_to_location(modulestore(), usage_key)
+    (
+        course_key, chapter, section, vertical_unused,
+        position, final_target_id
+    ) = path_to_location(modulestore(), usage_key)
 
     # choose the appropriate view (and provide the necessary args) based on the
     # args provided by the redirect.
@@ -43,4 +46,8 @@ def get_redirect_url(course_key, usage_key):
             'courseware_position',
             args=(unicode(course_key), chapter, section, navigation_index(position))
         )
+
+    if final_target_id:
+        redirect_url += "?activate_block_id={final_target_id}".format(final_target_id=final_target_id)
+
     return redirect_url

lms/djangoapps/courseware/views.py

@@ -550,7 +550,8 @@ def _index_bulk_op(request, course_key, chapter, section, position):
 
             # Save where we are in the chapter.
             save_child_position(chapter_module, section)
-            context['fragment'] = section_module.render(STUDENT_VIEW)
+            section_render_context = {'activate_block_id': request.GET.get('activate_block_id')}
+            context['fragment'] = section_module.render(STUDENT_VIEW, section_render_context)
             context['section_title'] = section_descriptor.display_name_with_default
         else:
             # section is none, so display a message

lms/djangoapps/open_ended_grading/utils.py

@@ -43,7 +43,7 @@ def generate_problem_url(problem_url_parts, base_course_url):
             # This is placed between the course id and the rest of the url.
             if i == 1:
                 problem_url += "courseware/"
-            problem_url += part + "/"
+            problem_url += unicode(part) + "/"
     return problem_url