Adding Custom Buttons and Actions to Odoo Forms: Advanced Interactions

<!-- views/sale_order_view.xml -->
<record id="view_order_form_inherit_buttons" model="ir.ui.view">
    <field name="name">sale.order.form.buttons</field>
    <field name="model">sale.order</field>
    <field name="inherit_id" ref="sale.view_order_form"/>
    <field name="arch" type="xml">
        <!-- Add button to the header -->
        <xpath expr="//header" position="inside">
            <!-- Button calls a Python method -->
            <button name="action_check_fraud"
                    string="Check Fraud Score"
                    type="object"
                    class="oe_highlight"
                    states="draft,sent"
                    groups="sales_team.group_sale_manager"/>
            
            <!-- Button calls a Window Action (open a view) -->
            <button name="%(action_view_fraud_logs)d"
                    string="View Logs"
                    type="action"
                    class="btn-secondary"/>
        </xpath>
    </field>
</record>

# models/sale_order.py
class SaleOrder(models.Model):
    _inherit = 'sale.order'
    
    def action_check_fraud(self):
        for order in self:
            # Logic to check fraud
            score = self._call_fraud_api(order)
            if score > 80:
                order.message_post(body=f"High Fraud Risk! Score: {score}")
            else:
                order.message_post(body="Fraud Check Passed.")
        return True

<record id="view_partner_form_inherit_smart" model="ir.ui.view">
    <field name="model">res.partner</field>
    <field name="inherit_id" ref="base.view_partner_form"/>
    <field name="arch" type="xml">
        <div name="button_box" position="inside">
            <button class="oe_stat_button"
                    type="object"
                    name="action_view_loyalty_history"
                    icon="fa-star">
                <!-- Display a value and a label -->
                <field string="Points" name="loyalty_points" widget="statinfo"/>
            </button>
        </div>
    </field>
</record>

# models/res_partner.py
class ResPartner(models.Model):
    _inherit = 'res.partner'
    
    loyalty_points = fields.Integer(compute='_compute_points')
    
    def action_view_loyalty_history(self):
        self.ensure_one()
        return {
            'name': 'Loyalty History',
            'type': 'ir.actions.act_window',
            'res_model': 'loyalty.transaction',
            'view_mode': 'tree,form',
            # Filter the list to show only THIS partner's transactions
            'domain': [('partner_id', '=', self.id)],
            'context': {'default_partner_id': self.id}, # Auto-fill partner if creating new
        }

<!-- data/server_actions.xml -->
<odoo>
    <record id="action_mass_mark_priority" model="ir.actions.server">
        <field name="name">Mark as Urgent</field>
        <field name="model_id" ref="sale.model_sale_order"/>
        <field name="binding_model_id" ref="sale.model_sale_order"/>
        <field name="binding_view_types">list,form</field>
        <field name="state">code</field>
        <field name="code">
            # 'records' is the variable containing selected records
            records.write({'priority': '1'})
        </field>
    </record>
</odoo>

def action_open_shopify(self):
    self.ensure_one()
    return {
        'type': 'ir.actions.act_url',
        'url': f'https://admin.shopify.com/store/my-store/orders/{self.shopify_order_id}',
        'target': 'new', # Open in new tab
    }