Refactor CourseDetails

cms/djangoapps/models/settings/encoder.py

@@ -0,0 +1,28 @@
+"""
+CourseSettingsEncoder
+"""
+import datetime
+import json
+from json.encoder import JSONEncoder
+
+from opaque_keys.edx.locations import Location
+from openedx.core.djangoapps.models.course_details import CourseDetails
+from xmodule.fields import Date
+
+from .course_grading import CourseGradingModel
+
+
+class CourseSettingsEncoder(json.JSONEncoder):
+    """
+    Serialize CourseDetails, CourseGradingModel, datetime, and old
+    Locations
+    """
+    def default(self, obj):  # pylint: disable=method-hidden
+        if isinstance(obj, (CourseDetails, CourseGradingModel)):
+            return obj.__dict__
+        elif isinstance(obj, Location):
+            return obj.dict()
+        elif isinstance(obj, datetime.datetime):
+            return Date().to_json(obj)
+        else:
+            return JSONEncoder.default(self, obj)