feat: add is_expense_payment flag and hide reversal button on expense payment journal entries

__manifest__.py

@@ -14,6 +14,7 @@
         'views/hr_expense_payment_wizard_views.xml',
         'views/hr_expense_kiosk_templates.xml',
         'views/res_config_settings_views.xml',
+        'views/account_move_views.xml',
     ],
     'assets': {
         'hr_expense_account_split.assets_public_kiosk': [

models/account_move.py

@@ -1,8 +1,19 @@
-from odoo import models, api
+from odoo import models, fields, api
 
 class AccountMove(models.Model):
     _inherit = 'account.move'
 
+    is_expense_payment = fields.Boolean(
+        string="Is Expense Payment",
+        compute="_compute_is_expense_payment",
+        store=True,
+    )
+
+    @api.depends('payment_id.expense_sheet_id')
+    def _compute_is_expense_payment(self):
+        for move in self:
+            move.is_expense_payment = bool(move.payment_id and move.payment_id.expense_sheet_id)
+
     def _get_hr_expense_base_class(self):
         """ Returns the hr_expense class in the MRO to jump over it. """
         mro = type(self).mro()

views/account_move_views.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <!-- Override account move form to hide reverse button for expense payments -->
+    <record id="view_move_form_inherit_expense_payment" model="ir.ui.view">
+        <field name="name">account.move.form.inherit.expense.payment</field>
+        <field name="model">account.move</field>
+        <field name="inherit_id" ref="account.view_move_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//button[@name='%(account.action_view_account_move_reversal)d']" position="attributes">
+                <attribute name="invisible">move_type != 'entry' or state != 'posted' or payment_state == 'reversed' or is_expense_payment</attribute>
+            </xpath>
+            <xpath expr="//sheet" position="inside">
+                <field name="is_expense_payment" invisible="1"/>
+            </xpath>
+        </field>
+    </record>
+</odoo>