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39 lines
1.5 KiB
39 lines
1.5 KiB
class MigrateCourseMembers < ActiveRecord::Migration[5.2]
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def change
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# add_column :course_groups, :position, :integer, default: 0
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Course.find_each do |course|
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position = 1
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course.course_groups.reorder("CONVERT(course_groups.name USING gbk) COLLATE gbk_chinese_ci ASC").each do |group|
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group.update_attribute(:position, position)
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position += 1
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end
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end
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add_column :course_groups, :course_members_count, :integer, default: 0
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CourseGroup.find_each do |g|
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CourseGroup.reset_counters g.id, :course_members
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end
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ActiveRecord::Base.transaction do
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begin
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Member.where("course_id != -1").includes(:member_roles).find_each(batch_size: 500) do |member|
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puts(member.id)
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member.member_roles.each do |role|
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course_member_role = role.role_id == 3 ? 1 : (role.role_id == 9 ? 2 : (role.role_id == 7 ? 3 : 4))
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member_group_id = role.role_id == 10 ? member.course_group_id : 0
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CourseMember.create!(course_id: member.course_id, user_id: member.user_id, course_group_id: member_group_id,
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graduation_group_id: member.graduation_group_id, role: course_member_role, is_active: role.is_current)
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end
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end
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rescue Exception => e
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uid_logger_error(e.message)
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tip_exception("migrate_course_members 迁移失败！")
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raise ActiveRecord::Rollback
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end
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end
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end
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end
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