Update Course Catalog API to support filters

openedx/core/djangoapps/content/course_overviews/models.py

@@ -470,13 +470,14 @@ class CourseOverview(TimeStampedModel):
         return course_overviews
 
     @classmethod
-    def get_all_courses(cls, org=None):
+    def get_all_courses(cls, org=None, filter_=None):
         """
         Returns all CourseOverview objects in the database.
 
         Arguments:
-            org (string): Optional parameter that allows filtering
-                by organization.
+            org (string): Optional parameter that allows case-insensitive
+                filtering by organization.
+            filter_ (dict): Optional parameter that allows custom filtering.
         """
         # Note: If a newly created course is not returned in this QueryList,
         # make sure the "publish" signal was emitted when the course was
@@ -489,6 +490,9 @@ class CourseOverview(TimeStampedModel):
             # Case-insensitive exact matching allows us to deal with this kind of dirty data.
             course_overviews = course_overviews.filter(org__iexact=org)
 
+        if filter_:
+            course_overviews = course_overviews.filter(**filter_)
+
         return course_overviews
 
     @classmethod

openedx/core/djangoapps/content/course_overviews/tests.py

@@ -826,3 +826,24 @@ class CourseOverviewImageSetTestCase(ModuleStoreTestCase):
                 }
             )
             return course_overview
+
+    def test_get_all_courses_by_mobile_available(self):
+        non_mobile_course = CourseFactory.create(emit_signals=True)
+        mobile_course = CourseFactory.create(mobile_available=True, emit_signals=True)
+
+        test_cases = (
+            (None, {non_mobile_course.id, mobile_course.id}),
+            (dict(mobile_available=True), {mobile_course.id}),
+            (dict(mobile_available=False), {non_mobile_course.id}),
+        )
+
+        for filter_, expected_courses in test_cases:
+            self.assertEqual(
+                {
+                    course_overview.id
+                    for course_overview in
+                    CourseOverview.get_all_courses(filter_=filter_)
+                },
+                expected_courses,
+                "testing CourseOverview.get_all_courses with filter_={}".format(filter_),
+            )