hunk.code_window:     _name = "sms.template.preview"
       _description = "SMS Template Preview"
       @api.model
       def _selection_target_model(self):
           models = self.env['ir.model'].search([])
           return [(model.model, model.name) for model in models]
       @api.model
       def _selection_languages(self):
           return self.env['res.lang'].get_installed()
  
hunk.labels: keep keep keep keep keep replace replace keep keep keep keep keep
hunk.after_edit:         return [(model.model, model.name) for model in self.env['ir.model'].sudo().search([])]
  
hunk.file_path: addons/sms/wizard/sms_template_preview.py
hunk.type: replace
file: # -*- coding: utf-8 -*-
  # Part of Odoo. See LICENSE file for full copyright and licensing details.
  
  from odoo import api, fields, models
  
  
  class SMSTemplatePreview(models.TransientModel):
      _name = "sms.template.preview"
      _description = "SMS Template Preview"
  
      @api.model
      def _selection_target_model(self):
          models = self.env['ir.model'].search([])
          return [(model.model, model.name) for model in models]
  
      @api.model
      def _selection_languages(self):
          return self.env['res.lang'].get_installed()
  
      @api.model
      def default_get(self, fields):
          result = super(SMSTemplatePreview, self).default_get(fields)
          sms_template_id = self.env.context.get('default_sms_template_id')
          if not sms_template_id or 'resource_ref' not in fields:
              return result
          sms_template = self.env['sms.template'].browse(sms_template_id)
          res = self.env[sms_template.model_id.model].search([], limit=1)
          if res:
              result['resource_ref'] = '%s,%s' % (sms_template.model_id.model, res.id)
          return result
  
      sms_template_id = fields.Many2one('sms.template', required=True, ondelete='cascade')
      lang = fields.Selection(_selection_languages, string='Template Preview Language')
      model_id = fields.Many2one('ir.model', related="sms_template_id.model_id")
      body = fields.Char('Body', compute='_compute_sms_template_fields')
      resource_ref = fields.Reference(string='Record reference', selection='_selection_target_model')
      no_record = fields.Boolean('No Record', compute='_compute_no_record')
  
      @api.depends('model_id')
      def _compute_no_record(self):
          for preview in self:
              preview.no_record = (self.env[preview.model_id.model].search_count([]) == 0) if preview.model_id else True
  
      @api.depends('lang', 'resource_ref')
      def _compute_sms_template_fields(self):
          for wizard in self:
              if wizard.sms_template_id and wizard.resource_ref:
                  wizard.body = wizard.sms_template_id._render_field('body', [wizard.resource_ref.id], set_lang=wizard.lang)[wizard.resource_ref.id]
              else:
                  wizard.body = wizard.sms_template_id.body
  