Module: Mongoid::ManyOrManytomanySetter

Extended by:
ActiveSupport::Concern
Defined in:
lib/mongoid_many_or_many_to_many_setter.rb

Defined Under Namespace

Modules: Utils

Instance Method Summary collapse

Instance Method Details

#many_or_many_to_many_setter ⇒ Object 



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# File 'lib/mongoid_many_or_many_to_many_setter.rb', line 13

def many_or_many_to_many_setter
  item = self
  item.class.relations.select do |rel1, meta1|
    # 只有一对多，多对多有此问题
    [Mongoid::Relations::Referenced::ManyToMany, Mongoid::Relations::Referenced::Many].include?(meta1.relation) &&
      # 确保关联key是标准的_ids结尾
      meta1.key.match(/_ids/)
  end.each do |rel1, meta1|
    array1 = item.send(meta1.key)
    next if array1.blank?

    # 只判断第一个即可
    if Utils.is_id? array1[0]
      puts "[ManyOrManytomanySetter][#{meta1.relation}][#{meta1.class_name}] Fix #{item.class} #{item.uuid}"
      # TODO 通过配置主键方式读取 uuid
      # item.write_attribute meta1.key, meta1.class_name.constantize.find(array1).map(&:uuid) # 当时有效，但是之后再Model.find后又变回原样了
      item.send "#{meta1.key}=", meta1.class_name.constantize.find(array1).map(&:uuid)
    end
  end
end