处理设备与设备维保标准的关联关系方法，新增设备故障报警日志页面

sf_maintenance/models/sf_maintenance_requests.py

@@ -19,10 +19,23 @@ class SfMaintenanceEquipmentCategory(models.Model):
         for record in self:
             if record.sf_maintenance_type == '保养':
                 record.equipment_maintenance_id = record.equipment_id.eq_maintenance_id
+
             if record.sf_maintenance_type == '检修':
                 record.equipment_maintenance_id = record.equipment_id.overhaul_id
             if not record.equipment_maintenance_id:
-                raise UserError(_("设备没有配置维保标准,请配置后再保存"))
+                record.equipment_maintenance_id = False
+
+
+    maintenance_projects = fields.Char(string='维保项目', related='equipment_maintenance_id.maintenance_projects')
+    maintenance_standards = fields.Char(string='维保标准', related='equipment_maintenance_id.maintenance_standards')
+
+    @api.constrains('equipment_maintenance_id')
+    def _check_equipment_maintenance_id(self):
+        for record in self:
+            if not record.equipment_maintenance_id:
+                raise UserError(_("设备维保标准不能为空，请选择后再保存"))
+
+