canvas-lms/db/migrate/20140825163916_redo_assignm...

92 lines
2.5 KiB
Ruby

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WHERE a.workflow_state NOT IN ('deleted','unpublished')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WHERE a.workflow_state NOT IN ('deleted','unpublished')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