feat: implement dynamic price field visibility for product models based on user restrictions

README.md

@@ -3,24 +3,22 @@
 Custom Odoo 19 module to dynamically manage the visibility of buttons and financial fields on the Purchase Order form on a per-user basis.
 
 ## Features
-1. **Per-User Restricting Options**: Toggle restriction flags directly on individual user accounts.
+- Per-User Restricting Options: Toggle restriction flags directly on individual user accounts.
-2. **Hide RFQ & Confirmation Buttons**: Hide "Confirm Order" and "Send RFQ" buttons from the purchase order header for restricted users.
+- Hide RFQ & Confirmation Buttons: Hide "Confirm Order" and "Send RFQ" buttons from the purchase order header for restricted users.
-3. **Hide Financial Fields**: Hide unit price, subtotal, and totals on purchase lists, forms, line kanbans, and footer groups for restricted users.
+- Hide Financial Fields: Hide unit price, subtotal, and totals on purchase lists, forms, line kanbans, and footer groups for restricted users.
-4. **Flexible and Stateless**: Instant dynamically computed restrictions without storing redundant data in the database.
+- Flexible and Stateless: Instant dynamically computed restrictions without storing redundant data in the database.
 
 ## Installation
-1. Move the `purchase_custom_visibility` directory to Odoo's custom addons path.
+1. Move the purchase_custom_visibility directory to Odoo's custom addons path.
 2. Upgrade/Update Odoo addons list.
 3. Install the module.
 
 ## Configuration (Per-User)
-1. Go to **Settings** -> **Users & Companies** -> **Users**.
+1. Go to Settings -> Users & Companies -> Users.
-2. Select a User record and click **Edit**.
+2. Select a User record and click Edit.
-3. Open the **Purchase Restrictions** tab.
+3. Open the Purchase Restrictions tab.
-4. Check the desired restrictions:
+4. Check the desired restrictions (Hide Confirm Order & Send RFQ, Hide Price, Subtotal & Total).
-   - **Hide Confirm Order & Send RFQ**
-   - **Hide Price, Subtotal & Total**
 5. Save the user record.
 
 ## Author
-- **Suherdy Yacob**
+Suherdy Yacob

__manifest__.py

@@ -5,7 +5,7 @@
     'summary': 'Configure visibility of buttons and prices/totals on Purchase Order form per user.',
     'category': 'Inventory/Purchase',
     'author': 'Suherdy Yacob',
-    'depends': ['purchase'],
+    'depends': ['purchase', 'product'],
     'data': [
         'views/res_users_views.xml',
         'views/purchase_order_views.xml',

models/__init__.py

@@ -1,3 +1,4 @@
 # -*- coding: utf-8 -*-
 from . import res_users
 from . import purchase_order
+from . import product

models/product.py

@@ -0,0 +1,125 @@
+# -*- coding: utf-8 -*-
+from odoo import models, api
+from lxml import etree
+
+class ProductSupplierinfo(models.Model):
+    _inherit = 'product.supplierinfo'
+
+    @api.model
+    def get_views(self, views, options=None):
+        res = super().get_views(views, options)
+        if not self.env.user.hide_purchase_prices:
+            return res
+            
+        for view_type, view_data in res.get('views', {}).items():
+            arch_str = view_data.get('arch')
+            if not arch_str:
+                continue
+                
+            try:
+                doc = etree.fromstring(arch_str.encode('utf-8'))
+            except Exception:
+                continue
+                
+            modified = False
+            price_fields = {'price', 'discount'}
+            for field in doc.xpath("//field"):
+                if field.get('name') in price_fields:
+                    is_column = False
+                    p = field.getparent()
+                    while p is not None:
+                        if p.tag in ('tree', 'list'):
+                            is_column = True
+                            break
+                        p = p.getparent()
+                        
+                    if is_column:
+                        field.set('column_invisible', 'True')
+                    else:
+                        field.set('invisible', '1')
+                    modified = True
+                    
+            if modified:
+                view_data['arch'] = etree.tostring(doc, encoding='utf-8').decode('utf-8')
+                
+        return res
+
+class ProductTemplate(models.Model):
+    _inherit = 'product.template'
+
+    @api.model
+    def get_views(self, views, options=None):
+        res = super().get_views(views, options)
+        if not self.env.user.hide_purchase_prices:
+            return res
+            
+        for view_type, view_data in res.get('views', {}).items():
+            arch_str = view_data.get('arch')
+            if not arch_str:
+                continue
+                
+            try:
+                doc = etree.fromstring(arch_str.encode('utf-8'))
+            except Exception:
+                continue
+                
+            modified = False
+            for field in doc.xpath("//field[@name='standard_price']"):
+                is_column = False
+                p = field.getparent()
+                while p is not None:
+                    if p.tag in ('tree', 'list'):
+                        is_column = True
+                        break
+                    p = p.getparent()
+                    
+                if is_column:
+                    field.set('column_invisible', 'True')
+                else:
+                    field.set('invisible', '1')
+                modified = True
+                
+            if modified:
+                view_data['arch'] = etree.tostring(doc, encoding='utf-8').decode('utf-8')
+                
+        return res
+
+class ProductProduct(models.Model):
+    _inherit = 'product.product'
+
+    @api.model
+    def get_views(self, views, options=None):
+        res = super().get_views(views, options)
+        if not self.env.user.hide_purchase_prices:
+            return res
+            
+        for view_type, view_data in res.get('views', {}).items():
+            arch_str = view_data.get('arch')
+            if not arch_str:
+                continue
+                
+            try:
+                doc = etree.fromstring(arch_str.encode('utf-8'))
+            except Exception:
+                continue
+                
+            modified = False
+            for field in doc.xpath("//field[@name='standard_price']"):
+                is_column = False
+                p = field.getparent()
+                while p is not None:
+                    if p.tag in ('tree', 'list'):
+                        is_column = True
+                        break
+                    p = p.getparent()
+                    
+                if is_column:
+                    field.set('column_invisible', 'True')
+                else:
+                    field.set('invisible', '1')
+                modified = True
+                
+            if modified:
+                view_data['arch'] = etree.tostring(doc, encoding='utf-8').decode('utf-8')
+                
+        return res