[IMP] l10n_be_hr_payroll_fleet: Add company car information on employee contracts

It makes sense to display this piece of information on the employee contract.

It allows HR users to see users information about the employee company car without
having access to the whole fleet module.

addons/l10n_be_hr_payroll_fleet/models/hr_contract.py

@@ -18,6 +18,15 @@ class HrContract(models.Model):
     new_car = fields.Boolean('Request a new car')
     new_car_model_id = fields.Many2one('fleet.vehicle.model', string="Model", domain=lambda self: self._get_possible_model_domain())
     max_unused_cars = fields.Integer(compute='_compute_max_unused_cars')
+    acquisition_date = fields.Date(related='car_id.acquisition_date')
+    car_value = fields.Float(related="car_id.car_value")
+    fuel_type = fields.Selection(related="car_id.fuel_type")
+    co2 = fields.Float(related="car_id.co2")
+    driver_id = fields.Many2one('res.partner', related="car_id.driver_id")
+    car_open_contracts_count = fields.Integer(compute='_compute_car_open_contracts_count')
+    recurring_cost_amount_depreciated = fields.Float(
+        compute='_compute_recurring_cost_amount_depreciated',
+        inverse="_inverse_recurring_cost_amount_depreciated")
 
     @api.depends('car_id', 'new_car', 'new_car_model_id', 'car_id.total_depreciated_cost',
         'car_id.atn', 'new_car_model_id.default_atn', 'new_car_model_id.default_total_depreciated_cost',
@@ -32,6 +41,29 @@ class HrContract(models.Model):
                 contract.car_atn = contract.new_car_model_id.default_atn
                 contract.company_car_total_depreciated_cost = contract.new_car_model_id.default_total_depreciated_cost
 
+    @api.depends('car_id.log_contracts.state')
+    def _compute_car_open_contracts_count(self):
+        for contract in self:
+            contract.car_open_contracts_count = len(contract.car_id.log_contracts.filtered(
+                lambda c: c.state == 'open').ids)
+
+    @api.depends('car_open_contracts_count', 'car_id.log_contracts.recurring_cost_amount_depreciated')
+    def _compute_recurring_cost_amount_depreciated(self):
+        for contract in self:
+            if contract.car_open_contracts_count == 1:
+                contract.recurring_cost_amount_depreciated = contract.car_id.log_contracts.filtered(
+                    lambda c: c.state == 'open'
+                ).recurring_cost_amount_depreciated
+            else:
+                contract.recurring_cost_amount_depreciated = 0.0
+
+    def _inverse_recurring_cost_amount_depreciated(self):
+        for contract in self:
+            if contract.car_open_contracts_count == 1:
+                contract.car_id.log_contracts.filtered(
+                    lambda c: c.state == 'open'
+                ).recurring_cost_amount_depreciated = contract.recurring_cost_amount_depreciated
+
     @api.depends('name')
     def _compute_available_cars_amount(self):
         for contract in self:

addons/l10n_be_hr_payroll_fleet/views/hr_contract_views.xml

@@ -18,7 +18,18 @@
             <xpath expr="//field[@name='car_atn']" position="after">
                 <field name="company_car_total_depreciated_cost" invisible="1"/>
             </xpath>
-            
+            <group name="yearly_advantages" position="after">
+                <group string="Company Car" attrs="{'invisible': [('car_id', '=', False)]}">
+                    <field name="acquisition_date"/>
+                    <field name="car_value"/>
+                    <field name="fuel_type"/>
+                    <field name="co2"/>
+                    <field name="driver_id"/>
+                    <field name="car_open_contracts_count"/>
+                    <field name="recurring_cost_amount_depreciated" attrs="{'invisible': [('car_open_contracts_count', '!=', 1)]}"/>
+                    <field name="car_atn"/>
+                </group>
+            </group>
         </field>
     </record>
 </odoo>