102 lines
4.2 KiB
Python
102 lines
4.2 KiB
Python
from student.models import CourseEnrollment
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from django_comment_common.models import Role
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from course_modes.models import get_cosmetic_verified_display_price
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from courseware.access import has_staff_access_to_preview_mode
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from courseware.date_summary import verified_upgrade_deadline_link, verified_upgrade_link_is_valid
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from xmodule.partitions.partitions_service import get_user_partition_groups, get_all_partitions_for_course
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def check_and_get_upgrade_link_and_date(user, enrollment=None, course=None):
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"""
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For an authenticated user, return a link to allow them to upgrade
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in the specified course.
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Returns the upgrade link and upgrade deadline for a user in a given course given
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that the user is within the window to upgrade defined by our dynamic pacing feature;
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otherwise, returns None for both the link and date.
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"""
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if enrollment is None and course is None:
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raise ValueError("Must specify either an enrollment or a course")
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if enrollment:
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if course is None:
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course = enrollment.course
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elif enrollment.course_id != course.id:
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raise ValueError("{} refers to a different course than {} which was supplied".format(
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enrollment, course
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))
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if enrollment.user_id != user.id:
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raise ValueError("{} refers to a different user than {} which was supplied".format(
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enrollment, user
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))
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if enrollment is None:
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enrollment = CourseEnrollment.get_enrollment(user, course.id)
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if user.is_authenticated and verified_upgrade_link_is_valid(enrollment):
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return (
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verified_upgrade_deadline_link(user, course),
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enrollment.upgrade_deadline
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)
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return (None, None)
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def get_experiment_user_metadata_context(course, user):
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"""
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Return a context dictionary with the keys used by the user_metadata.html.
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"""
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enrollment_mode = None
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enrollment_time = None
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enrollment = None
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# TODO: clean up as part of REVO-28 (START)
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has_non_audit_enrollments = None
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# TODO: clean up as part of REVO-28 (END)
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try:
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# TODO: clean up as part of REVO-28 (START)
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user_enrollments = CourseEnrollment.objects.select_related('course').filter(user_id=user.id)
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audit_enrollments = user_enrollments.filter(mode='audit')
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has_non_audit_enrollments = (len(audit_enrollments) != len(user_enrollments))
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# TODO: clean up as part of REVO-28 (END)
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enrollment = CourseEnrollment.objects.select_related(
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'course'
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).get(user_id=user.id, course_id=course.id)
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if enrollment.is_active:
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enrollment_mode = enrollment.mode
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enrollment_time = enrollment.created
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except CourseEnrollment.DoesNotExist:
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pass # Not enrolled, used the default None values
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# upgrade_link and upgrade_date should be None if user has passed their dynamic pacing deadline.
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upgrade_link, upgrade_date = check_and_get_upgrade_link_and_date(user, enrollment, course)
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has_staff_access = has_staff_access_to_preview_mode(user, course.id)
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forum_roles = []
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if user.is_authenticated:
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forum_roles = list(Role.objects.filter(users=user, course_id=course.id).values_list('name').distinct())
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# get user partition data
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if user.is_authenticated():
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partition_groups = get_all_partitions_for_course(course)
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user_partitions = get_user_partition_groups(course.id, partition_groups, user, 'name')
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else:
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user_partitions = {}
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return {
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'upgrade_link': upgrade_link,
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'upgrade_price': unicode(get_cosmetic_verified_display_price(course)),
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'enrollment_mode': enrollment_mode,
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'enrollment_time': enrollment_time,
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'pacing_type': 'self_paced' if course.self_paced else 'instructor_paced',
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'upgrade_deadline': upgrade_date,
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'course_key': course.id,
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'course_start': course.start,
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'course_end': course.end,
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'has_staff_access': has_staff_access,
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'forum_roles': forum_roles,
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'partition_groups': user_partitions,
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# TODO: clean up as part of REVO-28 (START)
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'has_non_audit_enrollments': has_non_audit_enrollments,
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# TODO: clean up as part of REVO-28 (END)
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}
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