From 20047ac6352c05082b4489f931dce24953a4690d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jesu=CC=81s=20Alan=20Ramos=20Rodri=CC=81guez?=
 <alan.ramos@jarsa.com>
Date: Wed, 17 Jul 2024 18:19:24 -0600
Subject: [PATCH 1/2] [ADD] purchase_request: add button box buttons to
 purchase order to link to related purchase request and purchase request lines

---
 purchase_request/models/purchase_order.py     | 50 +++++++++++++++++++
 .../views/purchase_order_view.xml             | 28 +++++++++++
 2 files changed, 78 insertions(+)

diff --git a/purchase_request/models/purchase_order.py b/purchase_request/models/purchase_order.py
index a52cbd6ac54..8b9b922e282 100644
--- a/purchase_request/models/purchase_order.py
+++ b/purchase_request/models/purchase_order.py
@@ -10,6 +10,56 @@
 class PurchaseOrder(models.Model):
     _inherit = "purchase.order"
 
+    purchase_request_count = fields.Integer(
+        compute="_compute_purchase_request_count",
+        default=0,
+    )
+    purchase_request_line_count = fields.Integer(
+        compute="_compute_purchase_request_line_count",
+        default=0,
+    )
+
+    @api.depends("order_line.purchase_request_lines")
+    def _compute_purchase_request_count(self):
+        for order in self:
+            order.purchase_request_count = len(
+                order.order_line.mapped("purchase_request_lines.request_id")
+            )
+
+    @api.depends("order_line.purchase_request_lines")
+    def _compute_purchase_request_line_count(self):
+        for order in self:
+            order.purchase_request_line_count = len(
+                order.order_line.mapped("purchase_request_lines")
+            )
+
+    def action_open_purchase_request(self):
+        self.ensure_one()
+        requests = self.order_line.mapped("purchase_request_lines.request_id")
+        action = self.env["ir.actions.act_window"]._for_xml_id(
+            "purchase_request.purchase_request_form_action"
+        )
+        action["context"] = {}
+        if len(requests) == 1:
+            action.update(
+                {
+                    "res_id": requests.id,
+                    "views": [(False, "form")],
+                }
+            )
+        else:
+            action["domain"] = [("id", "in", requests.ids)]
+        return action
+
+    def action_open_purchase_request_lines(self):
+        self.ensure_one()
+        request_line_ids = self.order_line.mapped("purchase_request_lines").ids
+        action = self.env["ir.actions.act_window"]._for_xml_id(
+            "purchase_request.purchase_request_line_form_action"
+        )
+        action["domain"] = [("id", "in", request_line_ids)]
+        return action
+
     def _purchase_request_confirm_message_content(self, request, request_dict=None):
         self.ensure_one()
         if not request_dict:
diff --git a/purchase_request/views/purchase_order_view.xml b/purchase_request/views/purchase_order_view.xml
index 88600239c2c..6b9089f108c 100644
--- a/purchase_request/views/purchase_order_view.xml
+++ b/purchase_request/views/purchase_order_view.xml
@@ -7,6 +7,34 @@
         <field name="model">purchase.order</field>
         <field name="inherit_id" ref="purchase.purchase_order_form" />
         <field name="arch" type="xml">
+            <xpath expr="//div[@name='button_box']" position="inside">
+                <button
+                    type="object"
+                    name="action_open_purchase_request"
+                    class="oe_stat_button"
+                    icon="fa-folder-open-o"
+                    invisible="purchase_request_count == 0"
+                >
+                    <field
+                        name="purchase_request_count"
+                        widget="statinfo"
+                        string="Purchase Request"
+                    />
+                </button>
+                <button
+                    type="object"
+                    name="action_open_purchase_request_lines"
+                    class="oe_stat_button"
+                    icon="fa-bars"
+                    invisible="purchase_request_line_count == 0"
+                >
+                    <field
+                        name="purchase_request_line_count"
+                        widget="statinfo"
+                        string="Purchase Request Lines"
+                    />
+                </button>
+            </xpath>
             <xpath expr="//field[@name='order_line']/list" position="inside">
                 <field name="purchase_request_lines" column_invisible="1" />
                 <button

From cd0a5b29949ca06fbd667aa05621abb576ce1cc4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jes=C3=BAs=20Alan=20Ramos=20Rodr=C3=ADguez?=
 <alan.ramos@jarsa.com>
Date: Tue, 25 Feb 2025 10:52:25 -0600
Subject: [PATCH 2/2] [ADD] purchase_request: add constrains to check if a
 product is changed in a purchase order line that is generated from a purchase
 request

---
 purchase_request/__manifest__.py          |  2 +-
 purchase_request/models/purchase_order.py | 17 +++++++++++++++++
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/purchase_request/__manifest__.py b/purchase_request/__manifest__.py
index 2a51e4ba271..39f139ca21b 100644
--- a/purchase_request/__manifest__.py
+++ b/purchase_request/__manifest__.py
@@ -4,7 +4,7 @@
 {
     "name": "Purchase Request",
     "author": "ForgeFlow, Odoo Community Association (OCA)",
-    "version": "18.0.2.5.0",
+    "version": "18.0.2.6.0",
     "summary": "Use this module to have notification of requirements of "
     "materials and/or external services and keep track of such "
     "requirements.",
diff --git a/purchase_request/models/purchase_order.py b/purchase_request/models/purchase_order.py
index 8b9b922e282..5916988570e 100644
--- a/purchase_request/models/purchase_order.py
+++ b/purchase_request/models/purchase_order.py
@@ -291,3 +291,20 @@ def write(self, vals):
             for line in service_lines:
                 line.update_service_allocations(prev_qty_received[line.id])
         return res
+
+    @api.constrains("product_id", "purchase_request_lines")
+    def _check_product_from_request(self):
+        errors = []
+        for line in self:
+            for request_line in line.purchase_request_lines:
+                if request_line.product_id != line.product_id:
+                    errors.append(
+                        _(
+                            "The product %(product_name)s in the Purchase Order Line "
+                            "must be the same as the product in the Purchase Request "
+                            "Line.",
+                            product_name=line.product_id.display_name,
+                        )
+                    )
+        if errors:
+            raise exceptions.ValidationError("\n".join(errors))