缓存报告附件，并清理旧附件

quality_control/models/quality.py

@@ -420,6 +420,36 @@ class QualityCheck(models.Model):
             )
         )
     
+    def get_latest_report_attachment(self, check_id):
+        """获取指定质检记录的最新报告附件，并删除旧的报告附件"""
+        # 查找特定质检记录的所有附件
+        attachments = self.env['ir.attachment'].search([
+            ('res_model', '=', 'quality.check'),
+            ('res_id', '=', check_id),
+            ('name', 'like', 'QC-QC')  # 根据您的命名规则调整
+        ], order='create_date DESC')  # 按创建日期降序排序
+
+        # 如果附件数量大于1，则删除除最新报告外的其他报告附件
+        if len(attachments) > 1:
+            for attachment in attachments[1:]:
+                attachment.unlink()
+
+        # 返回最新的附件（如果存在）
+        return attachments and attachments[0] or False
+    
+    def get_report_url(self):
+        """生成报告访问URL，确保获取最新版本"""
+        base_url = self.env['ir.config_parameter'].sudo().get_param('web.base.url')
+        report_url = f"{base_url}/web/content/ir.attachment"
+        
+        # 获取最新附件的ID
+        latest_attachment = self.get_latest_report_attachment(self.id)
+        if latest_attachment:
+            # 生成包含附件ID的URL
+            print(f"{report_url}/{latest_attachment.id}/datas")
+            return f"{report_url}/{latest_attachment.id}/datas"
+        return False
+
     @depends('product_id')
     def _compute_material_name(self):
         for record in self:

sf_quality/data/report_actions.xml

@@ -9,7 +9,8 @@
         <field name="print_report_name">'QC-' + object.name + '.pdf'</field>
         <field name="binding_model_id" ref="model_quality_check"/>  <!-- 请替换为实际的模型ID引用 -->
         <field name="binding_type">report</field>
-        <field name="attachment_use">False</field>
+        <field name="attachment">'QC-'+object.name+'-'+str(object.write_date)+'.pdf'</field>
+        <field name="attachment_use">True</field>
     </record>
 
     <!-- 定义HTML预览报告动作 -->