e18448e27d
https://docs.djangoproject.com/en/1.11/releases/1.10/#using-user-is-authenticated-and-user-is-anonymous-as-methods
76 lines
2.6 KiB
Python
76 lines
2.6 KiB
Python
from student.models import CourseEnrollment
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from courseware.access import has_staff_access_to_preview_mode
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from course_modes.models import (
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get_cosmetic_verified_display_price
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)
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from courseware.date_summary import (
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verified_upgrade_deadline_link, verified_upgrade_link_is_valid
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)
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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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"""
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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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try:
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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, 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)
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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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}
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