优化库存排序

sf_manufacturing/models/mrp_workorder.py

@@ -19,7 +19,6 @@ from odoo.addons.sf_mrs_connect.models.ftp_operate import FtpController
 
 class ResMrpWorkOrder(models.Model):
     _inherit = 'mrp.workorder'
-    _order = 'sequence asc'
     _description = '工单'
 
     product_tmpl_name = fields.Char('坯料产品名称', related='production_bom_id.bom_line_ids.product_id.name')
@@ -1750,6 +1749,35 @@ class ResMrpWorkOrder(models.Model):
         self.check_ids.filtered(lambda ch: ch.is_inspect is True and ch.quality_state == 'waiting').write(
             {'quality_state': 'none'})
 
+    @api.model
+    def read_group(self, domain, fields, groupby, offset=0, limit=None, orderby=False, lazy=True):
+        aggregate_field = 'create_date:max'
+        if aggregate_field not in fields:
+            fields.append(aggregate_field)
+        res = super(ResMrpWorkOrder, self).read_group(
+            domain, fields, groupby, offset=offset, limit=limit, orderby=orderby, lazy=lazy
+        )
+        sorted_res = sorted(
+            res,
+            key=lambda x: self.parse_datetime(x.get('create_date', '')),
+            reverse=True
+        )
+        return sorted_res
+
+    def parse_datetime(self, value):
+        """将字符串转换为 datetime 对象，处理空值和无效格式"""
+        if not value:
+            return datetime.min  # 返回最小日期时间，确保排序稳定
+        try:
+            # 假设 value 是字符串（如 "2023-10-01 12:00:00"）
+            return datetime.strptime(value, "%Y-%m-%d %H:%M:%S")
+        except (TypeError, ValueError):
+            # 如果已经是 datetime 对象，直接返回
+            if isinstance(value, datetime):
+                return value
+            # 其他无效格式返回最小日期时间
+            return datetime.min
+
 
 class CNCprocessing(models.Model):
     _name = 'sf.cnc.processing'