外协工单采购申请查询问题

sf_manufacturing/models/mrp_workorder.py

@@ -69,7 +69,18 @@ class ResMrpWorkOrder(models.Model):
     delivery_warning = fields.Selection([('normal', '正常'), ('warning', '告警'), ('overdue', '逾期')], string='时效',
                                         tracking=True)
     back_button_display = fields.Boolean(default=False, compute='_compute_back_button_display', store=True)
-
+    pr_mp_count = fields.Integer('采购申请单数量', compute='_compute_pr_mp_count', store=True)
+    @api.depends('state')
+    def _compute_pr_mp_count(self):
+        for item in self:
+            if not item.is_subcontract:
+                pr_mp_count = 0
+                continue
+            pr_ids = self.env['purchase.request'].sudo().search([('origin', 'like', item.name),('is_subcontract','=','True')])
+            if pr_ids:
+                item.pr_mp_count = len(pr_ids)
+            else:
+                item.pr_mp_count = 0
     @api.depends('state')
     def _compute_back_button_display(self):
         for record in self:
@@ -445,6 +456,28 @@ class ResMrpWorkOrder(models.Model):
             else:
                 order.surface_technics_purchase_count = 0
 
+    def action_view_pr_mrp_workorder(self):
+        """
+        采购请求
+        """
+        self.ensure_one()
+        pr_ids = self.env['purchase.request'].sudo().search([('origin', 'like', self.name),('is_subcontract', '=', True)])
+        action = {
+            'res_model': 'purchase.request',
+            'type': 'ir.actions.act_window',
+        }
+        if len(pr_ids) == 1:
+            action.update({
+                'view_mode': 'form',
+                'res_id': pr_ids[0].id,
+            })
+        else:
+            action.update({
+                'name': _("从 %s生成采购请求单", self.name),
+                'domain': [('id', 'in', pr_ids)],
+                'view_mode': 'tree,form',
+            })
+        return action
     def action_view_surface_technics_purchase(self):
         self.ensure_one()
         # if self.routing_type == '表面工艺':

sf_manufacturing/views/mrp_workorder_view.xml

@@ -144,6 +144,17 @@
                        statusbar_visible="pending,waiting,ready,progress,to be detected,done,rework"/>
             </xpath>
             <xpath expr="//div[@name='button_box']" position="inside">
+                <button type="object" name="action_view_pr_mrp_workorder" class="oe_stat_button"
+                        icon="fa-credit-card"
+                        groups="base.group_user,sf_base.group_sf_order_user"
+                        attrs="{'invisible': [('pr_mp_count', '=', 0)]}">
+                    <div class="o_field_widget o_stat_info">
+                        <span class="o_stat_value">
+                            <field name="pr_mp_count"/>
+                        </span>
+                        <span class="o_stat_text">采购</span>
+                    </div>
+                </button>
                 <button type="object" name="action_view_surface_technics_purchase" class="oe_stat_button"
                         icon="fa-credit-card"
                         groups="base.group_user,sf_base.group_sf_order_user"