Class: UploadReference

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
app/models/upload_reference.rb

Class Method Summary collapse

Class Method Details

.ensure_exist!(upload_ids: [], target: nil, target_type: nil, target_id: nil) ⇒ Object



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# File 'app/models/upload_reference.rb', line 9

def self.ensure_exist!(upload_ids: [], target: nil, target_type: nil, target_id: nil)
  if !target && !(target_type && target_id)
    raise "target OR target_type and target_id are required"
  end

  if target.present?
    target_type = target.class
    target_id = target.id
  end

  upload_ids = upload_ids.uniq.reject(&:blank?)
  target_type = target_type.to_s

  if upload_ids.empty?
    UploadReference.where(target_type: target_type, target_id: target_id).delete_all

    return
  end

  rows =
    upload_ids.map do |upload_id|
      {
        upload_id: upload_id,
        target_type: target_type,
        target_id: target_id,
        created_at: Time.zone.now,
        updated_at: Time.zone.now,
      }
    end

  UploadReference.transaction do |transaction|
    UploadReference
      .where(target_type: target_type, target_id: target_id)
      .where.not(upload_id: upload_ids)
      .delete_all

    UploadReference.insert_all(rows)
  end
end