canvas-lms/lib/missing_policy_applicator.rb

73 lines
2.6 KiB
Ruby

#
# Copyright (C) 2017 - present Instructure, Inc.
#
# This file is part of Canvas.
#
# Canvas is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, version 3 of the License.
#
# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
class MissingPolicyApplicator
def self.apply_missing_deductions
MissingPolicyApplicator.new.apply_missing_deductions
end
def apply_missing_deductions
GuardRail.activate(:secondary) do
recently_missing_submissions.find_in_batches do |submissions|
filtered_submissions = submissions.reject { |s| s.grading_period&.closed? }
filtered_submissions.group_by(&:assignment).each(&method(:apply_missing_deduction))
end
end
end
private
def recently_missing_submissions
now = Time.zone.now
Submission.active.
joins(assignment: {course: :late_policy}).
eager_load(:grading_period, assignment: [:post_policy, { course: [:late_policy, :default_post_policy] }]).
for_enrollments(Enrollment.all_active_or_pending).
merge(Assignment.published).
missing.
where(score: nil, grade: nil, cached_due_date: 1.day.ago(now)..now,
late_policies: { missing_submission_deduction_enabled: true })
end
# Given submissions must all be for the same assignment
def apply_missing_deduction(assignment, submissions)
score = assignment.course.late_policy.points_for_missing(assignment.points_possible, assignment.grading_type)
grade = assignment.score_to_grade(score)
now = Time.zone.now
GuardRail.activate(:primary) do
Submission.active.where(id: submissions).update_all(
score: score,
grade: grade,
graded_at: now,
posted_at: assignment.post_manually? ? nil : now,
published_score: score,
published_grade: grade,
grade_matches_current_submission: true,
updated_at: now,
workflow_state: "graded"
)
if assignment.course.root_account.feature_enabled?(:missing_policy_applicator_emits_live_events)
Canvas::LiveEvents.send_later_if_production(:submissions_bulk_updated, submissions)
end
assignment.course.recompute_student_scores(submissions.map(&:user_id).uniq)
end
end
end