51 lines
1.9 KiB
Python
51 lines
1.9 KiB
Python
"""
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Implement the Reverification XBlock "reverification" server
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"""
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from opaque_keys.edx.keys import CourseKey
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from django.core.exceptions import ObjectDoesNotExist
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from django.core.urlresolvers import reverse
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from verify_student.models import VerificationCheckpoint, VerificationStatus
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class ReverificationService(object):
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""" Service to implement the Reverification XBlock "reverification" service
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"""
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def get_status(self, user_id, course_id, checkpoint_name):
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""" Check if the user has any verification attempt for this checkpoint and course_id
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Args:
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user_id(str): User Id string
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course_id(str): A string of course_id
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checkpoint_name(str): Verification checkpoint name
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Returns:
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Verification Status string if any attempt submitted by user else None
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"""
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course_key = CourseKey.from_string(course_id)
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try:
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checkpoint_status = VerificationStatus.objects.filter(
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user_id=user_id,
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checkpoint__course_id=course_key,
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checkpoint__checkpoint_name=checkpoint_name
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).latest()
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return checkpoint_status.status
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except ObjectDoesNotExist:
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return None
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def start_verification(self, course_id, checkpoint_name, item_id):
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""" Get or create the verification checkpoint and return the re-verification link
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Args:
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course_id(str): A string of course_id
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checkpoint_name(str): Verification checkpoint name
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Returns:
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Re-verification link
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"""
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course_key = CourseKey.from_string(course_id)
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VerificationCheckpoint.objects.get_or_create(course_id=course_key, checkpoint_name=checkpoint_name)
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re_verification_link = reverse("verify_student_incourse_reverify", args=(course_id, checkpoint_name, item_id))
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return re_verification_link
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