working modification in backend

__manifest__.py

@@ -12,6 +12,7 @@
         'views/machine_area_views.xml',
         'views/machine_views.xml',  
         'views/res_partner_view.xml',
+        'views/partner_machine_access_html.xml',
         'views/assets.xml',
         'data/demo_data.xml',  
     ],    

models/ows_models.py

@@ -3,6 +3,35 @@ import logging
 _logger = logging.getLogger(__name__)
 _logger.info("✅ ows_models.py geladen")
 
+
+class ResPartner(models.Model):
+    _inherit = 'res.partner'
+
+    machine_access_html = fields.Html(
+        string="Maschinenfreigaben",
+        compute="_compute_machine_access_html",
+        sanitize=False
+    )
+
+    @api.depends('machine_access_ids')
+    def _compute_machine_access_html(self):
+        for partner in self:
+            areas = self.env['ows.machine.area'].search([], order="name")
+            html = "<div style='display: flex; gap: 2rem;'>"
+            for area in areas:
+                html += f"<div><h3>{area.name}</h3><ul>"
+                machines = self.env['ows.machine'].search([('area_id', '=', area.id)], order="name")
+                for machine in machines:
+                    access = self.env['ows.machine.access'].search([
+                        ('partner_id', '=', partner.id),
+                        ('machine_id', '=', machine.id),
+                    ], limit=1)
+                    status = "✅" if access else "❌"
+                    html += f"<li>{machine.name}: {status}</li>"
+                html += "</ul></div>"
+            html += "</div>"
+            partner.machine_access_html = html
+
 class OwsMachineArea(models.Model):
     _name = 'ows.machine.area'
     _table = "ows_machine_area"

views/partner_machine_access_html.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<odoo>
+  <!-- View-Erweiterung für res.partner: Tab mit HTML-Tabelle -->
+  <record id="view_partner_form_inherit_open_workshop_html" model="ir.ui.view">
+    <field name="name">res.partner.form.ows.machine.access.html</field>
+    <field name="model">res.partner</field>
+    <field name="inherit_id" ref="base.view_partner_form"/>
+    <field name="arch" type="xml">
+      <notebook position="inside">
+        <page string="Einweisungen">
+          <field name="machine_access_html" readonly="1" widget="html"/>
+        </page>
+      </notebook>
+    </field>
+  </record>
+</odoo>

views/res_partner_view.xml

@@ -6,7 +6,7 @@
     <field name="inherit_id" ref="base.view_partner_form"/>
     <field name="arch" type="xml">
       <notebook position="inside">
-        <page string="Maschinenfreigaben">
+        <page string="Einweisungen">
           <field name="machine_access_ids">
             <tree>
               <field name="machine_id"/>