text: from odoo import models, fields, _
  from odoo.exceptions import UserError
  
  
  class ValidateAccountMove(models.TransientModel):
      _name = "validate.account.move"
      _description = "Validate Account Move"
  
      force_post = fields.Boolean(string="Force", help="Entries in the future are set to be auto-posted by default. Check this checkbox to post them now.")
  
      def validate_move(self):
          if self._context.get('active_model') == 'account.move':
              domain = [('id', 'in', self._context.get('active_ids', [])), ('state', '=', 'draft')]
          elif self._context.get('active_model') == 'account.journal':
              domain = [('journal_id', '=', self._context.get('active_id')), ('state', '=', 'draft')]
          else:
              raise UserError(_("Missing 'active_model' in context."))
  
          moves = self.env['account.move'].search(domain).filtered('line_ids')
          if not moves:
              raise UserError(_('There are no journal items in the draft state to post.'))
          moves._post(not self.force_post)
          return {'type': 'ir.actions.act_window_close'}
  