[IMP] fleet: add Write Off Date on vehicle

Add the Write Off Date on vehicle.

closes odoo/odoo#77464

Related: odoo/enterprise#21299
Related: odoo/upgrade#2878
Taskid: 2657561
Signed-off-by: Kevin Baptiste <kba@odoo.com>

addons/fleet/models/fleet_vehicle.py

@@ -61,6 +61,7 @@ class FleetVehicle(models.Model):
     next_assignation_date = fields.Date('Assignment Date', help='This is the date at which the car will be available, if not set it means available instantly')
     acquisition_date = fields.Date('Immatriculation Date', required=False,
         default=fields.Date.today, help='Date when the vehicle has been immatriculated')
+    write_off_date = fields.Date('Cancellation Date', tracking=True, help="Date when the vehicle's license plate has been cancelled/removed.")
     first_contract_date = fields.Date(string="First Contract Date", default=fields.Date.today)
     color = fields.Char(help='Color of the vehicle', compute='_compute_model_fields', store=True, readonly=False)
     state_id = fields.Many2one('fleet.vehicle.state', 'State',

addons/fleet/views/fleet_vehicle_views.xml

@@ -76,6 +76,7 @@
                         </group>
                         <group string="Vehicle">
                             <field name="acquisition_date" attrs="{'invisible': [('vehicle_type', '!=', 'car')]}"/>
+                            <field name="write_off_date" attrs="{'invisible': [('vehicle_type', '!=', 'car')]}"/>
                             <field name="vin_sn"/>
                             <label for="odometer" attrs="{'invisible': [('vehicle_type', '!=', 'car')]}"/>
                             <div class="o_row" attrs="{'invisible': [('vehicle_type', '!=', 'car')]}">