35 lines
973 B
Python
35 lines
973 B
Python
""" Credit API Serializers """
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from rest_framework import serializers
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from opaque_keys.edx.keys import CourseKey
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from opaque_keys import InvalidKeyError
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from openedx.core.djangoapps.credit.models import CreditCourse
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class CourseKeyField(serializers.Field):
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"""
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Serializer field for a model CourseKey field.
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"""
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def to_representation(self, data):
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"""Convert a course key to unicode. """
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return unicode(data)
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def to_internal_value(self, data):
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"""Convert unicode to a course key. """
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try:
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return CourseKey.from_string(data)
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except InvalidKeyError as ex:
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raise serializers.ValidationError("Invalid course key: {msg}".format(msg=ex.msg))
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class CreditCourseSerializer(serializers.ModelSerializer):
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""" CreditCourse Serializer """
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course_key = CourseKeyField()
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class Meta(object): # pylint: disable=missing-docstring
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model = CreditCourse
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exclude = ('id',)
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