Entity\Chat:
  type: entity
  table: chat
  repositoryClass: Entity\Repository\ChatRepository
  fields:
    id:
      id: true
      type: integer
      unsigned: false
      nullable: false
      generator:
        strategy: IDENTITY
    from_user:
      type: integer
      unsigned: false
      nullable: true
    to_user:
      type: integer
      unsigned: false
      nullable: true
    message:
      type: text
      nullable: false
    sent:
      type: datetime
      nullable: false
    recd:
      type: integer
      unsigned: false
      nullable: false
  lifecycleCallbacks:
    prePersist:
      - before_save