code: def _calc_adu(self):
          
          res = super()._calc_adu()
          self.ensure_one()
          dafs_to_apply = self.env['ddmrp.adjustment'].search(
              self._daf_to_apply_domain())
          if dafs_to_apply:
              daf = 1
              values = dafs_to_apply.mapped('value')
              for val in values:
                  daf *= val
              prev = self.adu
              self.adu *= daf
              _logger.debug(
                  "DAF=%s applied to %s. ADU: %s -> %s" %
                  (daf, self.name, prev, self.adu))
          # Compute generated demand to be applied to components:
          dafs_to_explode = self.env['ddmrp.adjustment'].search(
              self._daf_to_apply_domain(False))
          for daf in dafs_to_explode:
              prev = self.adu
              increased_demand = prev * daf.value - prev
              self.explode_demand_to_components(
                  daf, increased_demand, self.product_uom)
          return res
docs: Apply DAFs if existing for the buffer.