From 3fb659244302d694ea234831dff5ec750ccaba1f Mon Sep 17 00:00:00 2001
From: Awais Jibran <awaisdar001@gmail.com>
Date: Mon, 1 Feb 2016 14:01:36 +0500
Subject: [PATCH] SUST-24 Initial commit

Add bokchoy test and changes in html
---
 .../test/acceptance/pages/lms/courseware.py   |  20 +
 common/test/acceptance/pages/studio/index.py  |  24 +
 .../tests/studio/base_studio_test.py          |   1 +
 .../tests/studio/test_studio_home.py          |  78 ++-
 .../tests/studio/test_studio_outline.py       |   8 +
 lms/djangoapps/certificates/models.py         |   1 -
 lms/djangoapps/courseware/views/views.py      | 443 ++++++++++++++++++
 lms/djangoapps/instructor/views/api.py        |   1 -
 lms/djangoapps/instructor_task/api.py         |   1 +
 lms/templates/enroll_staff.html               |  37 ++
 lms/urls.py                                   |   8 +
 11 files changed, 619 insertions(+), 3 deletions(-)
 create mode 100644 lms/templates/enroll_staff.html

diff --git a/common/test/acceptance/pages/lms/courseware.py b/common/test/acceptance/pages/lms/courseware.py
index 34629acd99..ca0b7f59e8 100644
--- a/common/test/acceptance/pages/lms/courseware.py
+++ b/common/test/acceptance/pages/lms/courseware.py
@@ -286,3 +286,23 @@ class CoursewareSequentialTabPage(CoursePage):
         return the body of the sequential currently selected
         """
         return self.q(css='#seq_content .xblock').text[0]
+
+
+class AboutPage(CoursePage):
+    """
+    Course about.
+    """
+
+    url_path = "about/"
+
+    def is_browser_on_page(self):
+        return self.q(css='.intro').present
+
+
+    @property
+    def is_register_button_present(self):
+        """
+        Returns True if the timed/proctored exam timer bar is visible on the courseware.
+        """
+        from nose.tools import set_trace; set_trace()
+        return self.q(css=".register").is_present()
diff --git a/common/test/acceptance/pages/studio/index.py b/common/test/acceptance/pages/studio/index.py
index ed6bd4158a..eedeb60667 100644
--- a/common/test/acceptance/pages/studio/index.py
+++ b/common/test/acceptance/pages/studio/index.py
@@ -5,6 +5,7 @@ Studio Home page
 from bok_choy.page_object import PageObject
 from . import BASE_URL
 from selenium.webdriver import ActionChains
+from ..common.utils import click_css
 
 
 class DashboardPage(PageObject):
@@ -12,11 +13,24 @@ class DashboardPage(PageObject):
     Studio Home page
     """
 
+    def __init__(self, browser):
+        """
+        Initialize the page.
+        """
+        super(DashboardPage, self).__init__(browser)
     url = BASE_URL + "/course/"
 
+
     def is_browser_on_page(self):
         return self.q(css='.content-primary').visible
 
+    def mouse_hover(self, element):
+        """
+        Mouse over on given element.
+        """
+        mouse_hover_action = ActionChains(self.browser).move_to_element(element)
+        mouse_hover_action.perform()
+
     @property
     def course_runs(self):
         """
@@ -48,6 +62,16 @@ class DashboardPage(PageObject):
         # Clicking on course with run will trigger an ajax event
         self.wait_for_ajax()
 
+
+    def view_live(self, element):
+        """
+        Clicks the "View Live" link and switches to the new tab
+        """
+        self.mouse_hover(self.browser.find_element_by_css_selector('.view-button'))
+        click_css(self, '.view-button', require_notification=False)
+        self.browser.switch_to_window(self.browser.window_handles[-1])
+        click_css(self, element, require_notification=False)
+
     def has_new_library_button(self):
         """
         (bool) is the "New Library" button present?
diff --git a/common/test/acceptance/tests/studio/base_studio_test.py b/common/test/acceptance/tests/studio/base_studio_test.py
index 96f1fb706e..e7f959fbf3 100644
--- a/common/test/acceptance/tests/studio/base_studio_test.py
+++ b/common/test/acceptance/tests/studio/base_studio_test.py
@@ -11,6 +11,7 @@ from ...pages.studio.overview import CourseOutlinePage
 from ...pages.studio.utils import verify_ordering
 
 
+
 class StudioCourseTest(UniqueCourseTest):
     """
     Base class for all Studio course tests.
diff --git a/common/test/acceptance/tests/studio/test_studio_home.py b/common/test/acceptance/tests/studio/test_studio_home.py
index ddd58d4aed..482433d3c9 100644
--- a/common/test/acceptance/tests/studio/test_studio_home.py
+++ b/common/test/acceptance/tests/studio/test_studio_home.py
@@ -1,9 +1,14 @@
 """
 Acceptance tests for Home Page (My Courses / My Libraries).
 """
+import os
+import uuid
+
 from bok_choy.web_app_test import WebAppTest
+from common.test.acceptance.pages.common.logout import LogoutPage
+from common.test.acceptance.pages.lms.courseware import AboutPage, CoursewarePage
 from flaky import flaky
-from opaque_keys.edx.locator import LibraryLocator
+from opaque_keys.edx.locator import LibraryLocator, CourseLocator
 from uuid import uuid4
 
 from ...fixtures import PROGRAMS_STUB_URL
@@ -173,3 +178,74 @@ class StudioLanguageTest(WebAppTest):
             get_selected_option_text(language_selector),
             u'Dummy Language (Esperanto)'
         )
+
+class CourseNotEnrollTest(WebAppTest):
+    """
+    Test that we can create a new content library on the studio home page.
+    """
+
+    def setUp(self):
+        """
+        Load the helper for the home page (dashboard page)
+        """
+        super(CourseNotEnrollTest, self).setUp()
+
+        self.auth_page = AutoAuthPage(self.browser, staff=True)
+        self.dashboard_page = DashboardPage(self.browser)
+        self.course_name = "New Course Name"
+        self.course_org = "orgX"
+        self.course_number = str(uuid.uuid4().get_hex().upper()[0:6])
+        self.course_run = "2015_T2"
+
+    def course_id(self):
+        """
+        Returns the serialized course_key for the test
+        """
+        # TODO - is there a better way to make this agnostic to the underlying default module store?
+        default_store = os.environ.get('DEFAULT_STORE', 'draft')
+        course_key = CourseLocator(
+                self.course_org,
+                self.course_number,
+                self.course_run,
+                deprecated=(default_store == 'draft')
+            )
+        return unicode(course_key)
+
+    def test_unenroll_course(self):
+        """
+        From the home page:
+            Click "New Course" ,Fill out the form
+            Submit the form
+            Return to the home page and logout
+            Login with the staff user which is not enrolled in the course
+            click the view live button of the course
+            Here are two scenario:
+             First click the continue button
+             Second click the Enroll button and see the response.
+        """
+        self.auth_page.visit()
+        self.dashboard_page.visit()
+        self.assertTrue(self.dashboard_page.new_course_button.present)
+
+        self.dashboard_page.click_new_course_button()
+        self.assertTrue(self.dashboard_page.is_new_course_form_visible())
+        self.dashboard_page.fill_new_course_form(
+            self.course_name, self.course_org, self.course_number, self.course_run
+        )
+        self.assertTrue(self.dashboard_page.is_new_course_form_valid())
+        self.dashboard_page.submit_new_course_form()
+
+        LogoutPage(self.browser).visit()
+        AutoAuthPage(self.browser, course_id=None, staff=True).visit()
+
+        self.dashboard_page.visit()
+        self.dashboard_page.view_live('.submit>input:last-child')
+        about_page = AboutPage(self.browser, self.course_id)
+        about_page.wait_for_page()
+        self.assertTrue(about_page.is_register_button_present)
+
+        self.dashboard_page.visit()
+        self.dashboard_page.view_live('.submit>input:first-child')
+        courseware = CoursewarePage(self.browser, self.course_id)
+        courseware.wait_for_page()
+        self.assertTrue(courseware.is_browser_on_page())
\ No newline at end of file
diff --git a/common/test/acceptance/tests/studio/test_studio_outline.py b/common/test/acceptance/tests/studio/test_studio_outline.py
index d7cd119d69..eab14b5ea3 100644
--- a/common/test/acceptance/tests/studio/test_studio_outline.py
+++ b/common/test/acceptance/tests/studio/test_studio_outline.py
@@ -1449,6 +1449,14 @@ class DefaultStatesContentTest(CourseOutlineTest):
         self.assertEqual(courseware.xblock_component_type(1), 'html')
         self.assertEqual(courseware.xblock_component_type(2), 'discussion')
 
+    def test_unenroll_course(self):
+        from nose.tools import set_trace; set_trace()
+        self.course_outline_page.visit()
+        self.course_outline_page.view_live()
+        courseware = CoursewarePage(self.browser, self.course_id)
+        courseware.wait_for_page()
+        self.assertEqual(courseware.num_xblock_components, 3)
+
 
 @attr('shard_3')
 class UnitNavigationTest(CourseOutlineTest):
diff --git a/lms/djangoapps/certificates/models.py b/lms/djangoapps/certificates/models.py
index 17031810c9..4e03bfaea6 100644
--- a/lms/djangoapps/certificates/models.py
+++ b/lms/djangoapps/certificates/models.py
@@ -222,7 +222,6 @@ class GeneratedCertificate(models.Model):
     MODES = Choices('verified', 'honor', 'audit', 'professional', 'no-id-professional')
 
     VERIFIED_CERTS_MODES = [CourseMode.VERIFIED, CourseMode.CREDIT_MODE]
-
     user = models.ForeignKey(User)
     course_id = CourseKeyField(max_length=255, blank=True, default=None)
     verify_uuid = models.CharField(max_length=32, blank=True, default='', db_index=True)
diff --git a/lms/djangoapps/courseware/views/views.py b/lms/djangoapps/courseware/views/views.py
index 9cdeb1d62f..606c9fbd2a 100644
--- a/lms/djangoapps/courseware/views/views.py
+++ b/lms/djangoapps/courseware/views/views.py
@@ -30,6 +30,8 @@ from opaque_keys import InvalidKeyError
 from opaque_keys.edx.keys import CourseKey, UsageKey
 from opaque_keys.edx.locations import SlashSeparatedCourseKey
 from rest_framework import status
+from xblock.fragment import Fragment
+from instructor.views.api import require_global_staff
 
 import shoppingcart
 import survey.utils
@@ -72,6 +74,10 @@ from openedx.core.djangoapps.theming import helpers as theming_helpers
 from shoppingcart.utils import is_shopping_cart_enabled
 from openedx.core.djangoapps.self_paced.models import SelfPacedConfiguration
 from student.models import UserTestGroup, CourseEnrollment
+
+from student.roles import GlobalStaff
+from student.views import is_course_blocked
+
 from util.cache import cache, cache_if_anonymous
 from util.date_utils import strftime_localized
 from util.db import outer_atomic
@@ -195,6 +201,389 @@ def get_current_child(xmodule, min_depth=None, requested_child=None):
     return child
 
 
+def redirect_to_course_position(course_module, content_depth):
+    """
+    Return a redirect to the user's current place in the course.
+
+    If this is the user's first time, redirects to COURSE/CHAPTER/SECTION.
+    If this isn't the users's first time, redirects to COURSE/CHAPTER,
+    and the view will find the current section and display a message
+    about reusing the stored position.
+
+    If there is no current position in the course or chapter, then selects
+    the first child.
+
+    """
+    urlargs = {'course_id': course_module.id.to_deprecated_string()}
+    chapter = get_current_child(course_module, min_depth=content_depth)
+    if chapter is None:
+        # oops.  Something bad has happened.
+        raise Http404("No chapter found when loading current position in course")
+
+    urlargs['chapter'] = chapter.url_name
+    if course_module.position is not None:
+        return redirect(reverse('courseware_chapter', kwargs=urlargs))
+
+    # Relying on default of returning first child
+    section = get_current_child(chapter, min_depth=content_depth - 1)
+    if section is None:
+        raise Http404("No section found when loading current position in course")
+
+    urlargs['section'] = section.url_name
+    return redirect(reverse('courseware_section', kwargs=urlargs))
+
+
+def save_child_position(seq_module, child_name):
+    """
+    child_name: url_name of the child
+    """
+    for position, c in enumerate(seq_module.get_display_items(), start=1):
+        if c.location.name == child_name:
+            # Only save if position changed
+            if position != seq_module.position:
+                seq_module.position = position
+    # Save this new position to the underlying KeyValueStore
+    seq_module.save()
+
+
+def save_positions_recursively_up(user, request, field_data_cache, xmodule, course=None):
+    """
+    Recurses up the course tree starting from a leaf
+    Saving the position property based on the previous node as it goes
+    """
+    current_module = xmodule
+
+    while current_module:
+        parent_location = modulestore().get_parent_location(current_module.location)
+        parent = None
+        if parent_location:
+            parent_descriptor = modulestore().get_item(parent_location)
+            parent = get_module_for_descriptor(
+                user,
+                request,
+                parent_descriptor,
+                field_data_cache,
+                current_module.location.course_key,
+                course=course
+            )
+
+        if parent and hasattr(parent, 'position'):
+            save_child_position(parent, current_module.location.name)
+
+        current_module = parent
+
+
+@transaction.non_atomic_requests
+@login_required
+@ensure_csrf_cookie
+@cache_control(no_cache=True, no_store=True, must_revalidate=True)
+@ensure_valid_course_key
+@outer_atomic(read_committed=True)
+def index(request, course_id, chapter=None, section=None,
+          position=None):
+    """
+    Displays courseware accordion and associated content.  If course, chapter,
+    and section are all specified, renders the page, or returns an error if they
+    are invalid.
+
+    If section is not specified, displays the accordion opened to the right chapter.
+
+    If neither chapter or section are specified, redirects to user's most recent
+    chapter, or the first chapter if this is the user's first visit.
+
+    Arguments:
+
+     - request    : HTTP request
+     - course_id  : course id (str: ORG/course/URL_NAME)
+     - chapter    : chapter url_name (str)
+     - section    : section url_name (str)
+     - position   : position in module, eg of <sequential> module (str)
+
+    Returns:
+
+     - HTTPresponse
+    """
+
+    course_key = CourseKey.from_string(course_id)
+
+    # Gather metrics for New Relic so we can slice data in New Relic Insights
+    newrelic.agent.add_custom_parameter('course_id', unicode(course_key))
+    newrelic.agent.add_custom_parameter('org', unicode(course_key.org))
+
+    user = User.objects.prefetch_related("groups").get(id=request.user.id)
+
+    redeemed_registration_codes = CourseRegistrationCode.objects.filter(
+        course_id=course_key,
+        registrationcoderedemption__redeemed_by=request.user
+    )
+
+    # Redirect to dashboard if the course is blocked due to non-payment.
+    if is_course_blocked(request, redeemed_registration_codes, course_key):
+        # registration codes may be generated via Bulk Purchase Scenario
+        # we have to check only for the invoice generated registration codes
+        # that their invoice is valid or not
+        log.warning(
+            u'User %s cannot access the course %s because payment has not yet been received',
+            user,
+            course_key.to_deprecated_string()
+        )
+        return redirect(reverse('dashboard'))
+
+    request.user = user  # keep just one instance of User
+    with modulestore().bulk_operations(course_key):
+        return _index_bulk_op(request, course_key, chapter, section, position)
+
+
+# pylint: disable=too-many-statements
+def _index_bulk_op(request, course_key, chapter, section, position):
+    """
+    Render the index page for the specified course.
+    """
+    # Verify that position a string is in fact an int
+    if position is not None:
+        try:
+            int(position)
+        except ValueError:
+            raise Http404(u"Position {} is not an integer!".format(position))
+
+    course = get_course_with_access(request.user, 'load', course_key, depth=2)
+    staff_access = has_access(request.user, 'staff', course)
+    masquerade, user = setup_masquerade(request, course_key, staff_access, reset_masquerade_data=True)
+
+    registered = registered_for_course(course, user)
+    if not registered:
+        # TODO (vshnayder): do course instructors need to be registered to see course?
+        log.debug(u'User %s tried to view course %s but is not enrolled', user, course.location.to_deprecated_string())
+        if bool(staff_access) == False:
+            return redirect("{url}?{redirect}".format(
+                url=reverse(enroll_staff, args=[course_key.to_deprecated_string()]),
+                redirect=request.GET.urlencode()
+                )
+            )
+        return redirect(reverse('about_course', args=[course_key.to_deprecated_string()]))
+
+    # see if all pre-requisites (as per the milestones app feature) have been fulfilled
+    # Note that if the pre-requisite feature flag has been turned off (default) then this check will
+    # always pass
+    if not has_access(user, 'view_courseware_with_prerequisites', course):
+        # prerequisites have not been fulfilled therefore redirect to the Dashboard
+        log.info(
+            u'User %d tried to view course %s '
+            u'without fulfilling prerequisites',
+            user.id, unicode(course.id))
+        return redirect(reverse('dashboard'))
+
+    # Entrance Exam Check
+    # If the course has an entrance exam and the requested chapter is NOT the entrance exam, and
+    # the user hasn't yet met the criteria to bypass the entrance exam, redirect them to the exam.
+    if chapter and course_has_entrance_exam(course):
+        chapter_descriptor = course.get_child_by(lambda m: m.location.name == chapter)
+        if chapter_descriptor and not getattr(chapter_descriptor, 'is_entrance_exam', False) \
+                and user_must_complete_entrance_exam(request, user, course):
+            log.info(u'User %d tried to view course %s without passing entrance exam', user.id, unicode(course.id))
+            return redirect(reverse('courseware', args=[unicode(course.id)]))
+
+    # Gated Content Check
+    gated_content = gating_api.get_gated_content(course, user)
+    if section and gated_content:
+        for usage_key in gated_content:
+            if section in usage_key:
+                raise Http404
+
+    # check to see if there is a required survey that must be taken before
+    # the user can access the course.
+    if survey.utils.must_answer_survey(course, user):
+        return redirect(reverse('course_survey', args=[unicode(course.id)]))
+
+    bookmarks_api_url = reverse('bookmarks')
+
+    try:
+        field_data_cache = FieldDataCache.cache_for_descriptor_descendents(
+            course_key, user, course, depth=2)
+
+        studio_url = get_studio_url(course, 'course')
+
+        language_preference = get_user_preference(request.user, LANGUAGE_KEY)
+        if not language_preference:
+            language_preference = settings.LANGUAGE_CODE
+
+        context = {
+            'csrf': csrf(request)['csrf_token'],
+            'COURSE_TITLE': course.display_name_with_default_escaped,
+            'course': course,
+            'init': '',
+            'fragment': Fragment(),
+            'staff_access': staff_access,
+            'studio_url': studio_url,
+            'masquerade': masquerade,
+            'xqa_server': settings.FEATURES.get('XQA_SERVER', "http://your_xqa_server.com"),
+            'bookmarks_api_url': bookmarks_api_url,
+            'language_preference': language_preference,
+            'disable_optimizely': True,
+        }
+        table_of_contents, __, __ = toc_for_course(user, request, course, chapter, section, field_data_cache)
+        context['accordion'] = render_accordion(request, course, table_of_contents)
+
+        now = datetime.now(UTC())
+        effective_start = _adjust_start_date_for_beta_testers(user, course, course_key)
+        if not in_preview_mode() and staff_access and now < effective_start:
+            # Disable student view button if user is staff and
+            # course is not yet visible to students.
+            context['disable_student_access'] = True
+
+        has_content = course.has_children_at_depth(CONTENT_DEPTH)
+        if not has_content:
+            # Show empty courseware for a course with no units
+            return render_to_response('courseware/courseware.html', context)
+        elif chapter is None:
+            # Check first to see if we should instead redirect the user to an Entrance Exam
+            if course_has_entrance_exam(course):
+                exam_chapter = get_entrance_exam_content(request, course)
+                if exam_chapter:
+                    if exam_chapter.get_children():
+                        exam_section = exam_chapter.get_children()[0]
+                        if exam_section:
+                            return redirect('courseware_section',
+                                            course_id=unicode(course_key),
+                                            chapter=exam_chapter.url_name,
+                                            section=exam_section.url_name)
+
+            # passing CONTENT_DEPTH avoids returning 404 for a course with an
+            # empty first section and a second section with content
+            return redirect_to_course_position(course, CONTENT_DEPTH)
+
+        chapter_descriptor = course.get_child_by(lambda m: m.location.name == chapter)
+        if chapter_descriptor is not None:
+            save_child_position(course, chapter)
+        else:
+            # User may be trying to access a chapter that isn't live yet
+            if masquerade and masquerade.role == 'student':  # if staff is masquerading as student be kinder, don't 404
+                log.debug('staff masquerading as student: no chapter %s', chapter)
+                return redirect(reverse('courseware', args=[course.id.to_deprecated_string()]))
+            raise Http404('No chapter descriptor found with name {}'.format(chapter))
+
+        if course_has_entrance_exam(course):
+            # Message should not appear outside the context of entrance exam subsection.
+            # if section is none then we don't need to show message on welcome back screen also.
+            if getattr(chapter_descriptor, 'is_entrance_exam', False) and section is not None:
+                context['entrance_exam_current_score'] = get_entrance_exam_score(request, course)
+                context['entrance_exam_passed'] = user_has_passed_entrance_exam(request, course)
+
+        if section is None:
+            section_descriptor = get_current_child(chapter_descriptor, requested_child=request.GET.get("child"))
+            if section_descriptor:
+                section = section_descriptor.url_name
+            else:
+                # Something went wrong -- perhaps this chapter has no sections visible to the user.
+                # Clearing out the last-visited state and showing "first-time" view by redirecting
+                # to courseware.
+                course.position = None
+                course.save()
+                return redirect(reverse('courseware', args=[course.id.to_deprecated_string()]))
+        else:
+            section_descriptor = chapter_descriptor.get_child_by(lambda m: m.location.name == section)
+
+        if section_descriptor is None:
+            # Specifically asked-for section doesn't exist
+            if masquerade and masquerade.role == 'student':  # don't 404 if staff is masquerading as student
+                log.debug('staff masquerading as student: no section %s', section)
+                return redirect(reverse('courseware', args=[course.id.to_deprecated_string()]))
+            raise Http404
+
+        # Allow chromeless operation
+        if section_descriptor.chrome:
+            chrome = [s.strip() for s in section_descriptor.chrome.lower().split(",")]
+            if 'accordion' not in chrome:
+                context['disable_accordion'] = True
+            if 'tabs' not in chrome:
+                context['disable_tabs'] = True
+
+        if section_descriptor.default_tab:
+            context['default_tab'] = section_descriptor.default_tab
+
+        # cdodge: this looks silly, but let's refetch the section_descriptor with depth=None
+        # which will prefetch the children more efficiently than doing a recursive load
+        section_descriptor = modulestore().get_item(section_descriptor.location, depth=None)
+
+        # Load all descendants of the section, because we're going to display its
+        # html, which in general will need all of its children
+        field_data_cache.add_descriptor_descendents(
+            section_descriptor, depth=None
+        )
+
+        section_module = get_module_for_descriptor(
+            user,
+            request,
+            section_descriptor,
+            field_data_cache,
+            course_key,
+            position,
+            course=course
+        )
+
+        # Save where we are in the chapter.
+        save_child_position(chapter_descriptor, section)
+
+        table_of_contents, prev_section_info, next_section_info = toc_for_course(
+            user, request, course, chapter, section, field_data_cache
+        )
+        context['accordion'] = render_accordion(request, course, table_of_contents)
+
+        def _compute_section_url(section_info, requested_child):
+            """
+            Returns the section URL for the given section_info with the given child parameter.
+            """
+            return "{url}?child={requested_child}".format(
+                url=reverse(
+                    'courseware_section',
+                    args=[unicode(course.id), section_info['chapter_url_name'], section_info['url_name']],
+                ),
+                requested_child=requested_child,
+            )
+
+        section_render_context = {
+            'activate_block_id': request.GET.get('activate_block_id'),
+            'requested_child': request.GET.get("child"),
+            'prev_url': _compute_section_url(prev_section_info, 'last') if prev_section_info else None,
+            'next_url': _compute_section_url(next_section_info, 'first') if next_section_info else None,
+        }
+        context['fragment'] = section_module.render(STUDENT_VIEW, section_render_context)
+        context['section_title'] = section_descriptor.display_name_with_default_escaped
+        result = render_to_response('courseware/courseware.html', context)
+    except Exception as e:
+
+        # Doesn't bar Unicode characters from URL, but if Unicode characters do
+        # cause an error it is a graceful failure.
+        if isinstance(e, UnicodeEncodeError):
+            raise Http404("URL contains Unicode characters")
+
+        if isinstance(e, Http404):
+            # let it propagate
+            raise
+
+        # In production, don't want to let a 500 out for any reason
+        if settings.DEBUG:
+            raise
+        else:
+            log.exception(
+                u"Error in index view: user=%s, effective_user=%s, course=%s, chapter=%s section=%s position=%s",
+                request.user, user, course, chapter, section, position
+            )
+            try:
+                result = render_to_response('courseware/courseware-error.html', {
+                    'staff_access': staff_access,
+                    'course': course
+                })
+            except:
+                # Let the exception propagate, relying on global config to at
+                # at least return a nice error message
+                log.exception("Error while rendering courseware-error page")
+                raise
+
+    return result
+
+
+
 @ensure_csrf_cookie
 @ensure_valid_course_key
 def jump_to_id(request, course_id, module_id):
@@ -238,7 +627,13 @@ def jump_to(_request, course_id, location):
     except InvalidKeyError:
         raise Http404(u"Invalid course_key or usage_key")
     try:
+        user = _request.user
         redirect_url = get_redirect_url(course_key, usage_key)
+        if GlobalStaff().has_user(user) and not CourseEnrollment.is_enrolled(user, course_key):
+            redirect_url = "{url}?next={redirect}".format(
+                url=reverse(enroll_staff, args=[course_key.to_deprecated_string()]),
+                redirect=redirect_url
+            )
     except ItemNotFoundError:
         raise Http404(u"No data at this location: {0}".format(usage_key))
     except NoPathToItem:
@@ -443,6 +838,54 @@ def get_cosmetic_display_price(course, registration_price):
         # Translators: This refers to the cost of the course. In this case, the course costs nothing so it is free.
         return _('Free')
 
+@require_global_staff
+@require_http_methods(['POST', 'GET'])
+def enroll_staff(request, course_id):
+    '''
+    1. Should be staff
+    2. should be a valid course_id
+    3. shouldn't be enrolled before
+    4. The requested view url to redirect
+
+    URL-ABC-GOTO-HERE-
+
+    1. You want to register for this course?
+        Confirm:
+            1. User is valid staff user who wants to enroll.
+            2. Course is valid course
+    2. Yes
+    3. Post request, enroll the user and redirect him to the requested view
+
+    :param request:
+    :param course_id:
+    :return:
+    '''
+    user = request.user
+    course_key = CourseKey.from_string(course_id)
+    _next = urllib.quote_plus(request.GET.get('next', 'info'), safe='/:?=')
+
+    if request.method == 'GET':
+        with modulestore().bulk_operations(course_key):
+            course = get_course_with_access(user, 'load', course_key, depth=2)
+
+        # Prompt for enrollment if Globalstaff is not enrolled in the course
+        if not registered_for_course(course, user):
+            return render_to_response('enroll_staff.html', {
+                'course': course,
+                'csrftoken': csrf(request)["csrf_token"]
+            })
+
+    elif request.method == 'POST' and 'enroll' in request.POST.dict():
+        enrollment = CourseEnrollment.get_or_create_enrollment(request.user, course_key)
+        enrollment.update_enrollment(is_active=True)
+        log.info(
+            u"User %s enrolled in %s via `enroll_staff` view",
+            user.username,
+            course_id
+        )
+
+    return redirect(_next)
+
 
 @ensure_csrf_cookie
 @cache_if_anonymous()
diff --git a/lms/djangoapps/instructor/views/api.py b/lms/djangoapps/instructor/views/api.py
index a21db446bc..d6be03b833 100644
--- a/lms/djangoapps/instructor/views/api.py
+++ b/lms/djangoapps/instructor/views/api.py
@@ -3289,7 +3289,6 @@ def validate_request_data_and_get_certificate(certificate_invalidation, course_k
         )
 
     student = get_student(user, course_key)
-
     certificate = GeneratedCertificate.certificate_for_student(student, course_key)
     if not certificate:
         raise ValueError(_(
diff --git a/lms/djangoapps/instructor_task/api.py b/lms/djangoapps/instructor_task/api.py
index 10939226f4..2898a21f50 100644
--- a/lms/djangoapps/instructor_task/api.py
+++ b/lms/djangoapps/instructor_task/api.py
@@ -446,6 +446,7 @@ def submit_export_ora2_data(request, course_key):
 
 def generate_certificates_for_students(request, course_key, student_set=None, specific_student_id=None):  # pylint: disable=invalid-name
     """
+<<<<<<< HEAD
     Submits a task to generate certificates for given students enrolled in the course.
 
      Arguments:
diff --git a/lms/templates/enroll_staff.html b/lms/templates/enroll_staff.html
new file mode 100644
index 0000000000..552e45ab8b
--- /dev/null
+++ b/lms/templates/enroll_staff.html
@@ -0,0 +1,37 @@
+<%inherit file="main.html" />
+<%namespace name='static' file='static_content.html'/>
+<%!
+from django.utils.translation import ugettext as _
+from courseware.courses import get_course_info_section, get_course_date_summary
+
+
+%>
+
+<%block name="pagetitle">${_("{course_number} Course Info").format(course_number=course.display_number_with_default)}</%block>
+
+<%block name="headextra">
+<%static:css group='style-course-vendor'/>
+<%static:css group='style-course'/>
+</%block>
+
+<%block name="bodyclass">view-in-course view-course-info ${course.css_class or ''}</%block>
+<div class="login-register">
+    <section class="form-type">
+        <section role="main" class="content">
+            <div id="unenroll_error" class="modal-form-error"></div>
+            <div id="${course.id.to_deprecated_string()}" >
+                <h3> ${_("You should Register before trying to access and Unit")}</h3>
+                <form role="form" id="enroll_staff_form" method="post" action="">
+                    <input type="hidden" name="csrfmiddlewaretoken" value="${ csrftoken }"/>
+                    <div class="submit ">
+                        <input name="enroll" type="submit" value="${_(" Enroll")}" />
+                        <input name="continue" type="submit" value="${_(" Continue")}" />
+                    </div>
+                </form>
+            </div>
+        </section>
+    </section>
+
+</div>
+
+
diff --git a/lms/urls.py b/lms/urls.py
index 9848cc0620..2b3cb0b437 100644
--- a/lms/urls.py
+++ b/lms/urls.py
@@ -366,6 +366,14 @@ urlpatterns += (
         name='about_course',
     ),
 
+    url(
+        r'^courses/{}/enroll_staff$'.format(
+            settings.COURSE_ID_PATTERN,
+        ),
+        'courseware.views.enroll_staff',
+        name='enroll_staff',
+    ),
+
     #Inside the course
     url(
         r'^courses/{}/$'.format(