42 lines
1.2 KiB
Python
42 lines
1.2 KiB
Python
"""
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Courseware services.
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"""
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from __future__ import absolute_import
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import json
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from django.contrib.auth.models import User
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from lms.djangoapps.courseware.models import StudentModule
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from student.models import get_user_by_username_or_email
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class UserStateService(object):
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"""
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User state service to make state accessible in runtime.
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"""
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def get_state_as_dict(self, username_or_email, block_id):
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"""
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Return dict containing user state for a given set of parameters.
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Arguments:
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username_or_email: username or email of the user for whom the data is being retrieved
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block_id: string/object representation of the block whose user state is required
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Returns:
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Returns a dict containing user state, if present, else empty.
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"""
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try:
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user = get_user_by_username_or_email(username_or_email=username_or_email)
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except User.DoesNotExist:
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return {}
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try:
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student_module = StudentModule.objects.get(
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student=user,
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module_state_key=block_id
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)
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return json.loads(student_module.state)
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except StudentModule.DoesNotExist:
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return {}
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