53 lines
1.4 KiB
Ruby
53 lines
1.4 KiB
Ruby
class AddQuizStudentVisibilityView < ActiveRecord::Migration
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tag :predeploy
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def self.up
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self.connection.execute %Q(CREATE VIEW quiz_student_visibilities AS
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SELECT DISTINCT q.id as quiz_id,
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e.user_id as user_id,
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c.id as course_id
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FROM quizzes q
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JOIN courses c
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ON q.context_id = c.id
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AND q.context_type = 'Course'
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JOIN enrollments e
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ON e.course_id = c.id
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AND e.type IN ('StudentEnrollment', 'StudentViewEnrollment')
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AND e.workflow_state != 'deleted'
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JOIN course_sections cs
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ON cs.course_id = c.id
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AND e.course_section_id = cs.id
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LEFT JOIN assignment_overrides ao
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ON ao.quiz_id = q.id
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AND ao.workflow_state = 'active'
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AND ao.set_type = 'CourseSection'
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AND ao.set_id = cs.id
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LEFT JOIN assignments a
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ON a.context_id = q.context_id
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AND a.submission_types LIKE 'online_quiz'
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AND a.id = q.assignment_id
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LEFT JOIN submissions s
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ON s.user_id = e.user_id
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AND s.assignment_id = a.id
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AND s.score IS NOT NULL
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WHERE q.workflow_state NOT IN ('deleted','unpublished')
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AND(
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( q.only_visible_to_overrides = 'true' AND (ao.id IS NOT NULL OR s.grade IS NOT NULL))
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OR (COALESCE(q.only_visible_to_overrides, 'false') = 'false')
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)
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)
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end
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def self.down
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self.connection.execute "DROP VIEW quiz_student_visibilities;"
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end
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end
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