Files
edx-platform/lms/djangoapps/program_enrollments/models.py
2019-04-12 15:50:30 -04:00

64 lines
1.8 KiB
Python

# -*- coding: utf-8 -*-
"""
Django model specifications for the Program Enrollments API
"""
from __future__ import unicode_literals
from django.contrib.auth.models import User
from django.db import models
from model_utils.models import TimeStampedModel
from simple_history.models import HistoricalRecords
class ProgramEnrollment(TimeStampedModel): # pylint: disable=model-missing-unicode
"""
This is a model for Program Enrollments from the registrar service
.. pii: PII is found in the external key for a program enrollment
.. pii_types: other
.. pii_retirement: local_api
"""
STATUSES = (
('enrolled', 'enrolled'),
('pending', 'pending'),
('suspended', 'suspended'),
('withdrawn', 'withdrawn'),
)
class Meta(object):
app_label = "program_enrollments"
user = models.ForeignKey(
User,
null=True,
blank=True
)
external_user_key = models.CharField(
db_index=True,
max_length=255,
null=True
)
program_uuid = models.UUIDField(db_index=True, null=False)
curriculum_uuid = models.UUIDField(db_index=True, null=False)
status = models.CharField(max_length=9, choices=STATUSES)
historical_records = HistoricalRecords()
@classmethod
def retire_user(cls, user_id):
"""
With the parameter user_id, retire the external_user_key field
Return True if there is data that was retired
Return False if there is no matching data
"""
enrollments = cls.objects.filter(user=user_id)
if not enrollments:
return False
for enrollment in enrollments:
enrollment.historical_records.update(external_user_key=None)
enrollments.update(external_user_key=None)
return True