canvas-lms/db/migrate/20151216170559_add_groups_t...

109 lines
3.7 KiB
Ruby

class AddGroupsToAssignmentVisibilityView < ActiveRecord::Migration
tag :predeploy
def up
self.connection.execute "DROP VIEW #{connection.quote_table_name('assignment_student_visibilities')};"
self.connection.execute %Q(CREATE VIEW #{connection.quote_table_name('assignment_student_visibilities')} AS
SELECT DISTINCT a.id as assignment_id,
e.user_id as user_id,
c.id as course_id
FROM #{Assignment.quoted_table_name} a
JOIN #{Course.quoted_table_name} c
ON a.context_id = c.id
AND a.context_type = 'Course'
JOIN #{Enrollment.quoted_table_name} e
ON e.course_id = c.id
AND e.type IN ('StudentEnrollment', 'StudentViewEnrollment')
AND e.workflow_state != 'deleted'
JOIN #{CourseSection.quoted_table_name} cs
ON cs.course_id = c.id
AND e.course_section_id = cs.id
LEFT JOIN #{GroupMembership.quoted_table_name} gm
ON gm.user_id = e.user_id
AND gm.workflow_state = 'accepted'
LEFT JOIN #{Group.quoted_table_name} g
ON g.context_type = 'Course'
AND g.context_id = c.id
AND g.workflow_state = 'available'
AND gm.group_id = g.id
LEFT JOIN #{AssignmentOverrideStudent.quoted_table_name} aos
ON aos.assignment_id = a.id
AND aos.user_id = e.user_id
LEFT JOIN #{AssignmentOverride.quoted_table_name} ao
ON ao.assignment_id = a.id
AND ao.workflow_state = 'active'
AND (
(ao.set_type = 'CourseSection' AND ao.set_id = cs.id)
OR (ao.set_type = 'ADHOC' AND ao.set_id IS NULL AND ao.id = aos.assignment_override_id)
OR (ao.set_type = 'Group' AND ao.set_id = g.id)
)
LEFT JOIN #{Submission.quoted_table_name} 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WHERE a.workflow_state NOT IN ('deleted','unpublished')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 #{connection.quote_table_name('assignment_student_visibilities')};"
self.connection.execute %Q(CREATE VIEW #{connection.quote_table_name('assignment_student_visibilities')} AS
SELECT DISTINCT a.id as assignment_id,
e.user_id as user_id,
c.id as course_id
FROM #{Assignment.quoted_table_name} a
JOIN #{Course.quoted_table_name} c
ON a.context_id = c.id
AND a.context_type = 'Course'
JOIN #{Enrollment.quoted_table_name} e
ON e.course_id = c.id
AND e.type IN ('StudentEnrollment', 'StudentViewEnrollment')
AND e.workflow_state != 'deleted'
JOIN #{CourseSection.quoted_table_name} cs
ON cs.course_id = c.id
AND e.course_section_id = cs.id
LEFT JOIN #{AssignmentOverrideStudent.quoted_table_name} aos
ON aos.assignment_id = a.id
AND aos.user_id = e.user_id
LEFT JOIN #{AssignmentOverride.quoted_table_name} ao
ON ao.assignment_id = a.id
AND ao.workflow_state = 'active'
AND (
(ao.set_type = 'CourseSection' AND ao.set_id = cs.id)
OR (ao.set_type = 'ADHOC' AND ao.set_id IS NULL AND ao.id = aos.assignment_override_id)
)
LEFT JOIN #{Submission.quoted_table_name} 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