Add "last completed block" to dropdown

common/djangoapps/student/cookies.py

@@ -8,10 +8,12 @@ import time
 
 import six
 from django.conf import settings
+from django.contrib.auth.models import User
 from django.core.urlresolvers import NoReverseMatch, reverse
 from django.dispatch import Signal
 from django.utils.http import cookie_date
 
+from openedx.core.djangoapps.user_api.accounts.utils import retrieve_last_sitewide_block_completed
 from student.models import CourseEnrollment
 
 CREATE_LOGON_COOKIE = Signal(providing_args=['user', 'response'])
@@ -58,6 +60,8 @@ def set_logged_in_cookies(request, response, user):
         "username": "test-user",
         "header_urls": {
             "account_settings": "https://example.com/account/settings",
+            "resume_block":
+                "https://example.com//courses/org.0/course_0/Run_0/jump_to/i4x://org.0/course_0/vertical/vertical_4"
             "learner_profile": "https://example.com/u/test-user",
             "logout": "https://example.com/logout"
         }
@@ -165,6 +169,12 @@ def get_user_info_cookie_data(request):
     except NoReverseMatch:
         pass
 
+    # Add 'resume course' last completed block
+    try:
+        header_urls['resume_block'] = retrieve_last_sitewide_block_completed(user)
+    except User.DoesNotExist:
+        pass
+
     # Convert relative URL paths to absolute URIs
     for url_name, url_path in six.iteritems(header_urls):
         header_urls[url_name] = request.build_absolute_uri(url_path)

common/djangoapps/student/tests/test_cookies.py

@@ -6,6 +6,7 @@ from django.conf import settings
 from django.core.urlresolvers import reverse
 from django.test import RequestFactory
 
+from openedx.core.djangoapps.user_api.accounts.utils import retrieve_last_sitewide_block_completed
 from student.cookies import get_user_info_cookie_data
 from student.models import CourseEnrollment
 from student.tests.factories import UserFactory
@@ -26,6 +27,7 @@ class CookieTests(SharedModuleStoreTestCase):
     def _get_expected_header_urls(self, request):
         expected_header_urls = {
             'logout': reverse('logout'),
+            'resume_block': retrieve_last_sitewide_block_completed(self.user.username)
         }
 
         # Studio (CMS) does not have the URLs below

common/djangoapps/student/tests/test_views.py

@@ -39,7 +39,7 @@ from util.milestones_helpers import (get_course_milestones,
 from util.testing import UrlResetMixin
 from xmodule.modulestore import ModuleStoreEnum
 from xmodule.modulestore.tests.django_utils import SharedModuleStoreTestCase
-from xmodule.modulestore.tests.factories import CourseFactory
+from xmodule.modulestore.tests.factories import CourseFactory, ItemFactory
 
 PASSWORD = 'test'
 
@@ -704,7 +704,11 @@ class StudentDashboardTests(SharedModuleStoreTestCase, MilestonesTestCaseMixin,
 
         course_key = course.id
         block_keys = [
-            course_key.make_usage_key('video', unicode(number))
+            ItemFactory.create(
+                category='video',
+                parent_location=course.location,
+                display_name='Video {0}'.format(unicode(number))
+            ).location
             for number in xrange(5)
         ]
 
@@ -773,7 +777,11 @@ class StudentDashboardTests(SharedModuleStoreTestCase, MilestonesTestCaseMixin,
             # Submit completed course blocks in even-numbered courses.
             if isEven(i):
                 block_keys = [
-                    course_key.make_usage_key('video', unicode(number))
+                    ItemFactory.create(
+                        category='video',
+                        parent_location=course.location,
+                        display_name='Video {0}'.format(unicode(number))
+                    ).location
                     for number in xrange(5)
                 ]
                 last_completed_block_string = str(block_keys[-1])

lms/templates/header/user_dropdown.html

@@ -12,11 +12,14 @@ from django.core.urlresolvers import reverse
 from django.utils.translation import ugettext as _
 
 from openedx.core.djangoapps.user_api.accounts.image_helpers import get_profile_image_urls_for_user
+from openedx.core.djangoapps.user_api.accounts.utils import retrieve_last_sitewide_block_completed
+
 %>
 
 <%
     profile_image_url = get_profile_image_urls_for_user(self.real_user)['medium']
     username = self.real_user.username
+    resume_block = retrieve_last_sitewide_block_completed(username)
 %>
 
 
@@ -32,7 +35,11 @@ from openedx.core.djangoapps.user_api.accounts.image_helpers import get_profile_
         <span class="fa fa-caret-down" aria-hidden="true"></span>
     </div>
     <div class="dropdown-user-menu hidden" aria-label=${_("More Options")} role="menu" id="user-menu" tabindex="-1">
+        % if resume_block:
+            <div class="mobile-nav-item dropdown-item dropdown-nav-item"><a href="${resume_block}" role="menuitem">${_("Resume your last course")}</a></div>
+        % endif
         <div class="mobile-nav-item dropdown-item dropdown-nav-item"><a href="${reverse('dashboard')}" role="menuitem">${_("Dashboard")}</a></div>
+        <div class="mobile-nav-item dropdown-item dropdown-nav-item"><a href="${reverse('learner_profile', kwargs={'username': username})}" role="menuitem">${_("Profile")}</a></div>
         <div class="mobile-nav-item dropdown-item dropdown-nav-item"><a href="${reverse('account_settings')}" role="menuitem">${_("Account")}</a></div>
         <div class="mobile-nav-item dropdown-item dropdown-nav-item"><a href="${reverse('logout')}" role="menuitem">${_("Sign Out")}</a></div>
     </div>

openedx/core/djangoapps/user_api/accounts/tests/test_utils.py

 """ Unit tests for custom UserProfile properties. """
 
-import ddt
+from __future__ import absolute_import, division, print_function, unicode_literals
 
+import ddt
 from django.test import TestCase
+from django.test.utils import override_settings
+from mock import patch
+
+from completion import models
+from completion.test_utils import CompletionWaffleTestMixin
+from openedx.core.djangoapps.user_api.accounts.utils import retrieve_last_sitewide_block_completed
 from openedx.core.djangolib.testing.utils import skip_unless_lms
+from student.models import CourseEnrollment
+from student.tests.factories import UserFactory
+from xmodule.modulestore.tests.django_utils import SharedModuleStoreTestCase
+from xmodule.modulestore.tests.factories import CourseFactory, ItemFactory
 
-from ..utils import validate_social_link, format_social_link
+from ..utils import format_social_link, validate_social_link
 
 
 @ddt.ddt
@@ -51,3 +62,77 @@ class UserAccountSettingsTest(TestCase):
         self.assertEqual(is_valid_expected, self.validate_social_link(platform_name, link_input))
 
         self.assertEqual(formatted_link_expected, format_social_link(platform_name, link_input))
+
+
+@ddt.ddt
+class CompletionUtilsTestCase(SharedModuleStoreTestCase, CompletionWaffleTestMixin, TestCase):
+    """
+    Test completion utility functions
+    """
+    def setUp(self):
+        """
+        Creates a test course that can be used for non-destructive tests
+        """
+        super(CompletionUtilsTestCase, self).setUp()
+        self.override_waffle_switch(True)
+        self.engaged_user = UserFactory.create()
+        self.cruft_user = UserFactory.create()
+        self.course = self.create_test_course()
+        self.submit_faux_completions()
+
+    def create_test_course(self):
+        """
+        Create, populate test course.
+        """
+        course = CourseFactory.create()
+        with self.store.bulk_operations(course.id):
+            self.chapter = ItemFactory.create(category='chapter', parent_location=course.location)
+            self.sequential = ItemFactory.create(category='sequential', parent_location=self.chapter.location)
+            self.vertical1 = ItemFactory.create(category='vertical', parent_location=self.sequential.location)
+            self.vertical2 = ItemFactory.create(category='vertical', parent_location=self.sequential.location)
+        course.children = [self.chapter]
+        self.chapter.children = [self.sequential]
+        self.sequential.children = [self.vertical1, self.vertical2]
+
+        if hasattr(self, 'user_one'):
+            CourseEnrollment.enroll(self.engaged_user, course.id)
+        if hasattr(self, 'user_two'):
+            CourseEnrollment.enroll(self.cruft_user, course.id)
+        return course
+
+    def submit_faux_completions(self):
+        """
+        Submit completions (only for user_one)g
+        """
+        for block in self.course.children[0].children[0].children:
+            models.BlockCompletion.objects.submit_completion(
+                user=self.engaged_user,
+                course_key=self.course.id,
+                block_key=block.location,
+                completion=1.0
+            )
+
+    @override_settings(LMS_ROOT_URL='test_url:9999')
+    @patch('completion.waffle.get_current_site')
+    @ddt.data(True, False)
+    def test_retrieve_last_sitewide_block_completed(self, use_username, get_patched_current_site):  # pylint: disable=unused-argument
+        """
+        Test that the method returns a URL for the "last completed" block
+        when sending a user object
+        """
+        block_url = retrieve_last_sitewide_block_completed(
+            self.engaged_user.username if use_username else self.engaged_user
+        )
+        empty_block_url = retrieve_last_sitewide_block_completed(
+            self.cruft_user.username if use_username else self.cruft_user
+        )
+        self.assertEqual(
+            block_url,
+            u'test_url:9999/courses/{org}/{course}/{run}/jump_to/i4x://{org}/{course}/vertical/{vertical_id}'.format(
+                org=self.course.location.course_key.org,
+                course=self.course.location.course_key.course,
+                run=self.course.location.course_key.run,
+                vertical_id=self.vertical2.location.block_id,
+            )
+        )
+        self.assertEqual(empty_block_url, None)

openedx/core/djangoapps/user_api/accounts/utils.py

@@ -5,7 +5,15 @@ import re
 from urlparse import urlparse
 
 from django.conf import settings
+from django.contrib.auth.models import User
 from django.utils.translation import ugettext as _
+from six import text_type
+
+from completion import waffle as completion_waffle
+from completion.models import BlockCompletion
+from openedx.core.djangoapps.site_configuration.models import SiteConfiguration
+from openedx.core.djangoapps.theming.helpers import get_config_value_from_site_or_settings, get_current_site
+from xmodule.modulestore.django import modulestore
 
 
 def validate_social_link(platform_name, new_social_link):
@@ -89,3 +97,77 @@ def _is_valid_social_username(value):
     in the username.
     """
     return '/' not in value
+
+
+def retrieve_last_sitewide_block_completed(username):
+    """
+    Completion utility
+    From a string 'username' or object User retrieve
+    the last course block marked as 'completed' and construct a URL
+
+    :param username: str(username) or obj(User)
+    :return: block_lms_url
+
+    """
+    if not completion_waffle.waffle().is_enabled(completion_waffle.ENABLE_COMPLETION_TRACKING):
+        return
+
+    if not isinstance(username, User):
+        userobj = User.objects.get(username=username)
+    else:
+        userobj = username
+    latest_completions_by_course = BlockCompletion.latest_blocks_completed_all_courses(userobj)
+
+    known_site_configs = [
+        other_site_config.get_value('course_org_filter') for other_site_config in SiteConfiguration.objects.all()
+        if other_site_config.get_value('course_org_filter')
+    ]
+
+    current_site_configuration = get_config_value_from_site_or_settings(
+        name='course_org_filter',
+        site=get_current_site()
+    )
+
+    # courses.edx.org has no 'course_org_filter'
+    # however the courses within DO, but those entries are not found in
+    # known_site_configs, which are White Label sites
+    # This is necessary because the WL sites and courses.edx.org
+    # have the same AWS RDS mySQL instance
+    candidate_course = None
+    candidate_block_key = None
+    latest_date = None
+    # Go through dict, find latest
+    for course, [modified_date, block_key] in latest_completions_by_course.items():
+        if not current_site_configuration:
+            # This is a edx.org
+            if course.org in known_site_configs:
+                continue
+            if not latest_date or modified_date > latest_date:
+                candidate_course = course
+                candidate_block_key = block_key
+                latest_date = modified_date
+
+        else:
+            # This is a White Label site, and we should find candidates from the same site
+            if course.org not in current_site_configuration:
+                # Not the same White Label, or a edx.org course
+                continue
+            if not latest_date or modified_date > latest_date:
+                candidate_course = course
+                candidate_block_key = block_key
+                latest_date = modified_date
+
+    if not candidate_course:
+        return
+
+    lms_root = SiteConfiguration.get_value_for_org(candidate_course.org, "LMS_ROOT_URL", settings.LMS_ROOT_URL)
+    item = modulestore().get_item(candidate_block_key, depth=1)
+
+    if not lms_root:
+        return
+
+    return u"{lms_root}/courses/{course_key}/jump_to/{location}".format(
+        lms_root=lms_root,
+        course_key=text_type(item.location.course_key),
+        location=text_type(item.location),
+    )

openedx/features/course_experience/tests/views/test_course_outline.py

@@ -10,6 +10,7 @@ from completion.models import BlockCompletion
 from completion.test_utils import CompletionWaffleTestMixin
 from django.contrib.sites.models import Site
 from django.core.urlresolvers import reverse
+from django.test import override_settings
 from mock import Mock, patch
 from six import text_type
 
@@ -402,6 +403,7 @@ class TestCourseOutlineResumeCourse(SharedModuleStoreTestCase, CompletionWaffleT
         ),
         active=True
     )
+    @override_settings(LMS_BASE='test_url:9999')
     @patch('completion.waffle.get_current_site')
     def test_resume_course_with_completion_api(self, get_patched_current_site):
         """