制造订单详情页添加对应采购申请跳转链接

jikimo_purchase_request/models/__init__.py

@@ -2,5 +2,6 @@
 from . import product_template
 from . import purchase_request
 from . import sale_order
+from . import mrp_production
 from . import purchase_order
 from . import stock_rule

jikimo_purchase_request/models/mrp_production.py

@@ -0,0 +1,39 @@
+from odoo import fields, models, api, _
+
+
+class MrpProduction(models.Model):
+    _inherit = 'mrp.production'
+
+    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:
+            pr_ids = self.env['purchase.request'].sudo().search([('origin', 'like', item.name)])
+            if pr_ids:
+                item.pr_mp_count = len(pr_ids)
+            else:
+                item.pr_mp_count = 0
+
+    def action_view_pr_mp(self):
+        """
+        采购请求
+        """
+        self.ensure_one()
+        pr_ids = self.env['purchase.request'].sudo().search([('origin', 'like', self.name)])
+        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