18 lines
733 B
Ruby
18 lines
733 B
Ruby
class SubmissionHasAdminComment < ActiveRecord::Migration
|
|
def self.up
|
|
add_column :submissions, :has_admin_comment, :boolean, :default => false, :null => false
|
|
execute <<-SQL
|
|
UPDATE submissions SET has_admin_comment=EXISTS(
|
|
SELECT 1 FROM submission_comments AS sc, assignments AS a, courses AS c, enrollments AS e
|
|
WHERE sc.submission_id=submissions.id AND a.id = submissions.assignment_id
|
|
AND c.id = a.context_id AND a.context_type = 'Course' AND e.course_id = c.id
|
|
AND e.user_id = sc.author_id AND e.workflow_state = 'active'
|
|
AND e.type IN ('TeacherEnrollment', 'TaEnrollment'))
|
|
SQL
|
|
end
|
|
|
|
def self.down
|
|
remove_column :submissions, :has_admin_comment
|
|
end
|
|
end
|