initial odoo 19 changes

__manifest__.py

@@ -1,6 +1,6 @@
 {
     'name': 'Purchase Advance Payment',
-    'version': '17.0.1.0.0',
+    'version': '19.0.1.0.0',
     'category': 'Purchase',
     'summary': 'Link payments to purchase orders as advance payments',
     'description': """

views/purchase_advance_payment_views.xml

@@ -25,13 +25,13 @@
             </field>
         </record>
         
-        <!-- Account Payment Tree View -->
+        <!-- Account Payment List View -->
         <record id="view_account_payment_tree_inherit_advance_payment" model="ir.ui.view">
             <field name="name">account.payment.tree.inherit.advance.payment</field>
             <field name="model">account.payment</field>
             <field name="inherit_id" ref="account.view_account_payment_tree"/>
             <field name="arch" type="xml">
-                <xpath expr="//tree/field[@name='partner_id']" position="after">
+                <xpath expr="//list/field[@name='partner_id']" position="after">
                     <field name="purchase_order_id"/>
                 </xpath>
             </field>

views/purchase_order_views.xml

@@ -29,21 +29,21 @@
                                         string="Link Advance Payment"
                                         type="action"
                                         class="btn-secondary"
-                                        context="{'default_purchase_order_id': active_id}"/>
+                                        context="{'default_purchase_order_id': id}"/>
                             </group>
                         <field name="advance_payment_ids">
-                            <tree>
+                            <list>
                                 <field name="name"/>
                                 <field name="date"/>
                                 <field name="amount" widget="monetary"/>
                                 <field name="state"/>
                                 <field name="journal_id"/>
-                            </tree>
+                            </list>
                         </field>
                     </page>
                 </xpath>
                 
-                <xpath expr="//field[@name='order_line']/tree/field[@name='price_unit']" position="after">
+                <xpath expr="//field[@name='order_line']/list/field[@name='price_unit']" position="after">
                     <field name="is_deposit" invisible="1"/>
                 </xpath>
                 

wizard/link_advance_payment_wizard.py

@@ -30,15 +30,22 @@ class LinkAdvancePaymentWizard(models.TransientModel):
     def default_get(self, fields):
         res = super().default_get(fields)
         # Handle context from purchase order
-        if self._context.get('active_model') == 'purchase.order' and self._context.get('active_id'):
-            po = self.env['purchase.order'].browse(self._context['active_id'])
+        if self.env.context.get('active_model') == 'purchase.order' and self.env.context.get('active_id'):
+            po = self.env['purchase.order'].browse(self.env.context['active_id'])
             res['purchase_order_id'] = po.id
             res['currency_id'] = po.currency_id.id
             if 'amount' in fields:
                 res['amount'] = po.amount_residual
+        # Handle context from purchase order when called from the button (using default_purchase_order_id)
+        elif self.env.context.get('default_purchase_order_id'):
+            po = self.env['purchase.order'].browse(self.env.context['default_purchase_order_id'])
+            res['purchase_order_id'] = po.id
+            res['currency_id'] = po.currency_id.id
+            if 'amount' in fields and 'amount' not in res:
+                res['amount'] = po.amount_residual
         # Handle context from payment
-        elif self._context.get('active_model') == 'account.payment' and self._context.get('active_id'):
-            payment = self.env['account.payment'].browse(self._context['active_id'])
+        elif self.env.context.get('active_model') == 'account.payment' and self.env.context.get('active_id'):
+            payment = self.env['account.payment'].browse(self.env.context['active_id'])
             res['payment_id'] = payment.id
             res['currency_id'] = payment.currency_id.id
             if 'amount' in fields: