Add donation end-point

Make donations configurable
Added donation button to dashboard
Generalize merchant defined data for payment processor

common/djangoapps/config_models/decorators.py

@@ -0,0 +1,26 @@
+"""Decorators for model-based configuration. """
+from functools import wraps
+from django.http import HttpResponseNotFound
+
+
+def require_config(config_model):
+    """View decorator that enables/disables a view based on configuration.
+
+    Arguments:
+        config_model (ConfigurationModel subclass): The class of the configuration
+            model to check.
+
+    Returns:
+        HttpResponse: 404 if the configuration model is disabled,
+            otherwise returns the response from the decorated view.
+
+    """
+    def _decorator(func):
+        @wraps(func)
+        def _inner(*args, **kwargs):
+            if not config_model.current().enabled:
+                return HttpResponseNotFound()
+            else:
+                return func(*args, **kwargs)
+        return _inner
+    return _decorator

common/djangoapps/course_modes/models.py

@@ -59,6 +59,9 @@ class CourseMode(models.Model):
     DEFAULT_MODE = Mode('honor', _('Honor Code Certificate'), 0, '', 'usd', None, None)
     DEFAULT_MODE_SLUG = 'honor'
 
+    # Modes that allow a student to pursue a verified certificate
+    VERIFIED_MODES = ["verified", "professional"]
+
     class Meta:
         """ meta attributes of this model """
         unique_together = ('course_id', 'mode_slug', 'currency')
@@ -127,6 +130,22 @@ def verified_mode_for_course(cls, course_id):
         # we prefer professional over verify
         return professional_mode if professional_mode else verified_mode
 
+    @classmethod
+    def has_verified_mode(cls, course_mode_dict):
+        """Check whether the modes for a course allow a student to pursue a verfied certificate.
+
+        Args:
+            course_mode_dict (dictionary mapping course mode slugs to Modes)
+
+        Returns:
+            bool: True iff the course modes contain a verified track.
+
+        """
+        for mode in cls.VERIFIED_MODES:
+            if mode in course_mode_dict:
+                return True
+        return False
+
     @classmethod
     def min_course_price_for_verified_for_currency(cls, course_id, currency):
         """

common/djangoapps/student/tests/test_recent_enrollments.py

@@ -8,24 +8,32 @@
 from opaque_keys.edx import locator
 from pytz import UTC
 import unittest
+import ddt
 
 from student.tests.factories import UserFactory
 from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase
 from xmodule.modulestore.tests.factories import CourseFactory
+from course_modes.tests.factories import CourseModeFactory
 from student.models import CourseEnrollment, DashboardConfiguration
 from student.views import get_course_enrollment_pairs, _get_recently_enrolled_courses
 
 
+@unittest.skipUnless(settings.ROOT_URLCONF == 'lms.urls', 'Test only valid in lms')
+@ddt.ddt
 class TestRecentEnrollments(ModuleStoreTestCase):
     """
     Unit tests for getting the list of courses for a logged in user
     """
+    PASSWORD = 'test'
+
     def setUp(self):
         """
         Add a student
         """
         super(TestRecentEnrollments, self).setUp()
         self.student = UserFactory()
+        self.student.set_password(self.PASSWORD)
+        self.student.save()
 
         # Old Course
         old_course_location = locator.CourseLocator('Org0', 'Course0', 'Run0')
@@ -35,7 +43,7 @@ def setUp(self):
 
         # New Course
         course_location = locator.CourseLocator('Org1', 'Course1', 'Run1')
-        self._create_course_and_enrollment(course_location)
+        self.course, _ = self._create_course_and_enrollment(course_location)
 
     def _create_course_and_enrollment(self, course_location):
         """ Creates a course and associated enrollment. """
@@ -47,12 +55,17 @@ def _create_course_and_enrollment(self, course_location):
         enrollment = CourseEnrollment.enroll(self.student, course.id)
         return course, enrollment
 
+    def _configure_message_timeout(self, timeout):
+        """Configure the amount of time the enrollment message will be displayed. """
+        config = DashboardConfiguration(recent_enrollment_time_delta=timeout)
+        config.save()
+
     def test_recently_enrolled_courses(self):
         """
         Test if the function for filtering recent enrollments works appropriately.
         """
-        config = DashboardConfiguration(recent_enrollment_time_delta=60)
-        config.save()
+        self._configure_message_timeout(60)
+
         # get courses through iterating all courses
         courses_list = list(get_course_enrollment_pairs(self.student, None, []))
         self.assertEqual(len(courses_list), 2)
@@ -64,8 +77,7 @@ def test_zero_second_delta(self):
         """
         Tests that the recent enrollment list is empty if configured to zero seconds.
         """
-        config = DashboardConfiguration(recent_enrollment_time_delta=0)
-        config.save()
+        self._configure_message_timeout(0)
         courses_list = list(get_course_enrollment_pairs(self.student, None, []))
         self.assertEqual(len(courses_list), 2)
 
@@ -78,50 +90,64 @@ def test_enrollments_sorted_most_recent(self):
         recent enrollments first.
 
         """
-        config = DashboardConfiguration(recent_enrollment_time_delta=600)
-        config.save()
+        self._configure_message_timeout(600)
 
         # Create a number of new enrollments and courses, and force their creation behind
         # the first enrollment
-        course_location = locator.CourseLocator('Org2', 'Course2', 'Run2')
-        _, enrollment2 = self._create_course_and_enrollment(course_location)
-        enrollment2.created = datetime.datetime.now(UTC) - datetime.timedelta(seconds=5)
-        enrollment2.save()
-
-        course_location = locator.CourseLocator('Org3', 'Course3', 'Run3')
-        _, enrollment3 = self._create_course_and_enrollment(course_location)
-        enrollment3.created = datetime.datetime.now(UTC) - datetime.timedelta(seconds=10)
-        enrollment3.save()
-
-        course_location = locator.CourseLocator('Org4', 'Course4', 'Run4')
-        _, enrollment4 = self._create_course_and_enrollment(course_location)
-        enrollment4.created = datetime.datetime.now(UTC) - datetime.timedelta(seconds=15)
-        enrollment4.save()
-
-        course_location = locator.CourseLocator('Org5', 'Course5', 'Run5')
-        _, enrollment5 = self._create_course_and_enrollment(course_location)
-        enrollment5.created = datetime.datetime.now(UTC) - datetime.timedelta(seconds=20)
-        enrollment5.save()
+        courses = []
+        for idx, seconds_past in zip(range(2, 6), [5, 10, 15, 20]):
+            course_location = locator.CourseLocator(
+                'Org{num}'.format(num=idx),
+                'Course{num}'.format(num=idx),
+                'Run{num}'.format(num=idx)
+            )
+            course, enrollment = self._create_course_and_enrollment(course_location)
+            enrollment.created = datetime.datetime.now(UTC) - datetime.timedelta(seconds=seconds_past)
+            enrollment.save()
+            courses.append(course)
 
         courses_list = list(get_course_enrollment_pairs(self.student, None, []))
         self.assertEqual(len(courses_list), 6)
 
         recent_course_list = _get_recently_enrolled_courses(courses_list)
         self.assertEqual(len(recent_course_list), 5)
 
-        self.assertEqual(recent_course_list[1][1], enrollment2)
-        self.assertEqual(recent_course_list[2][1], enrollment3)
-        self.assertEqual(recent_course_list[3][1], enrollment4)
-        self.assertEqual(recent_course_list[4][1], enrollment5)
+        self.assertEqual(recent_course_list[1], courses[0])
+        self.assertEqual(recent_course_list[2], courses[1])
+        self.assertEqual(recent_course_list[3], courses[2])
+        self.assertEqual(recent_course_list[4], courses[3])
 
-    @unittest.skipUnless(settings.ROOT_URLCONF == 'lms.urls', 'Test only valid in lms')
     def test_dashboard_rendering(self):
         """
         Tests that the dashboard renders the recent enrollment messages appropriately.
         """
-        config = DashboardConfiguration(recent_enrollment_time_delta=600)
-        config.save()
-        self.client = Client()
-        self.client.login(username=self.student.username, password='test')
+        self._configure_message_timeout(600)
+        self.client.login(username=self.student.username, password=self.PASSWORD)
         response = self.client.get(reverse("dashboard"))
         self.assertContains(response, "You have successfully enrolled in")
+
+    @ddt.data(
+        (['audit', 'honor', 'verified'], False),
+        (['professional'], False),
+        (['verified'], False),
+        (['audit'], True),
+        (['honor'], True),
+        ([], True)
+    )
+    @ddt.unpack
+    def test_donate_button(self, course_modes, show_donate):
+        # Enable the enrollment success message
+        self._configure_message_timeout(10000)
+
+        # Create the course mode(s)
+        for mode in course_modes:
+            CourseModeFactory(mode_slug=mode, course_id=self.course.id)
+
+        # Check that the donate button is or is not displayed
+        self.client.login(username=self.student.username, password=self.PASSWORD)
+        response = self.client.get(reverse("dashboard"))
+
+        if show_donate:
+            self.assertContains(response, "donate-container")
+        else:
+            self.assertNotContains(response, "donate-container")

common/djangoapps/student/views.py

@@ -412,7 +412,7 @@ def register_user(request, extra_context=None):
     return render_to_response('register.html', context)
 
 
-def complete_course_mode_info(course_id, enrollment):
+def complete_course_mode_info(course_id, enrollment, modes=None):
     """
     We would like to compute some more information from the given course modes
     and the user's current enrollment
@@ -421,7 +421,9 @@ def complete_course_mode_info(course_id, enrollment):
         - whether to show the course upsell information
         - numbers of days until they can't upsell anymore
     """
-    modes = CourseMode.modes_for_course_dict(course_id)
+    if modes is None:
+        modes = CourseMode.modes_for_course_dict(course_id)
+
     mode_info = {'show_upsell': False, 'days_for_upsell': None}
     # we want to know if the user is already verified and if verified is an
     # option
@@ -472,9 +474,17 @@ def dashboard(request):
     # enrollments, because it could have been a data push snafu.
     course_enrollment_pairs = list(get_course_enrollment_pairs(user, course_org_filter, org_filter_out_set))
 
-    # Check to see if the student has recently enrolled in a course. If so, display a notification message confirming
-    # the enrollment.
-    enrollment_message = _create_recent_enrollment_message(course_enrollment_pairs)
+    # Retrieve the course modes for each course
+    course_modes_by_course = {
+        course.id: CourseMode.modes_for_course_dict(course.id)
+        for course, __ in course_enrollment_pairs
+    }
+
+    # Check to see if the student has recently enrolled in a course.
+    # If so, display a notification message confirming the enrollment.
+    enrollment_message = _create_recent_enrollment_message(
+        course_enrollment_pairs, course_modes_by_course
+    )
 
     course_optouts = Optout.objects.filter(user=user).values_list('course_id', flat=True)
 
@@ -493,8 +503,21 @@ def dashboard(request):
     show_courseware_links_for = frozenset(course.id for course, _enrollment in course_enrollment_pairs
                                           if has_access(request.user, 'load', course))
 
-    course_modes = {course.id: complete_course_mode_info(course.id, enrollment) for course, enrollment in course_enrollment_pairs}
-    cert_statuses = {course.id: cert_info(request.user, course) for course, _enrollment in course_enrollment_pairs}
+    # Construct a dictionary of course mode information
+    # used to render the course list.  We re-use the course modes dict
+    # we loaded earlier to avoid hitting the database.
+    course_mode_info = {
+        course.id: complete_course_mode_info(
+            course.id, enrollment,
+            modes=course_modes_by_course[course.id]
+        )
+        for course, enrollment in course_enrollment_pairs
+    }
+
+    cert_statuses = {
+        course.id: cert_info(request.user, course)
+        for course, _enrollment in course_enrollment_pairs
+    }
 
     # only show email settings for Mongo course and when bulk email is turned on
     show_email_settings_for = frozenset(
@@ -564,7 +587,7 @@ def dashboard(request):
         'staff_access': staff_access,
         'errored_courses': errored_courses,
         'show_courseware_links_for': show_courseware_links_for,
-        'all_course_modes': course_modes,
+        'all_course_modes': course_mode_info,
         'cert_statuses': cert_statuses,
         'show_email_settings_for': show_email_settings_for,
         'reverifications': reverifications,
@@ -592,23 +615,35 @@ def dashboard(request):
     return render_to_response('dashboard.html', context)
 
 
-def _create_recent_enrollment_message(course_enrollment_pairs):
+def _create_recent_enrollment_message(course_enrollment_pairs, course_modes):
     """Builds a recent course enrollment message
 
     Constructs a new message template based on any recent course enrollments for the student.
 
     Args:
         course_enrollment_pairs (list): A list of tuples containing courses, and the associated enrollment information.
+        course_modes (dict): Mapping of course ID's to course mode dictionaries.
 
     Returns:
         A string representing the HTML message output from the message template.
+        None if there are no recently enrolled courses.
 
     """
-    recent_course_enrollment_pairs = _get_recently_enrolled_courses(course_enrollment_pairs)
-    if recent_course_enrollment_pairs:
+    recently_enrolled_courses = _get_recently_enrolled_courses(course_enrollment_pairs)
+
+    if recently_enrolled_courses:
+        messages = [
+            {
+                "course_id": course.id,
+                "course_name": course.display_name,
+                "allow_donation": not CourseMode.has_verified_mode(course_modes[course.id])
+            }
+            for course in recently_enrolled_courses
+        ]
+
         return render_to_string(
             'enrollment/course_enrollment_message.html',
-            {'recent_course_enrollment_pairs': recent_course_enrollment_pairs,}
+            {'course_enrollment_messages': messages}
         )
 
 
@@ -621,14 +656,14 @@ def _get_recently_enrolled_courses(course_enrollment_pairs):
         course_enrollment_pairs (list): A list of tuples containing courses, and the associated enrollment information.
 
     Returns:
-        A list of tuples for the course and enrollment.
+        A list of courses
 
     """
     seconds = DashboardConfiguration.current().recent_enrollment_time_delta
     sorted_list = sorted(course_enrollment_pairs, key=lambda created: created[1].created, reverse=True)
     time_delta = (datetime.datetime.now(UTC) - datetime.timedelta(seconds=seconds))
     return [
-        (course, enrollment) for course, enrollment in sorted_list
+        course for course, enrollment in sorted_list
         # If the enrollment has no created date, we are explicitly excluding the course
         # from the list of recent enrollments.
         if enrollment.is_active and enrollment.created > time_delta

lms/djangoapps/shoppingcart/admin.py

@@ -2,7 +2,9 @@
 Allows django admin site to add PaidCourseRegistrationAnnotations
 """
 from ratelimitbackend import admin
-from shoppingcart.models import PaidCourseRegistrationAnnotation, Coupon
+from shoppingcart.models import (
+    PaidCourseRegistrationAnnotation, Coupon, DonationConfiguration
+)
 
 
 class SoftDeleteCouponAdmin(admin.ModelAdmin):
@@ -49,3 +51,4 @@ def delete_model(self, request, obj):
 
 admin.site.register(PaidCourseRegistrationAnnotation)
 admin.site.register(Coupon, SoftDeleteCouponAdmin)
+admin.site.register(DonationConfiguration)