Integrations

# Procurement triggers purchase rule
# Purchase rule creates PO line
# PO line is linked back to stock request

class StockRequest(models.Model):
    _inherit = 'stock.request'

    purchase_line_ids = fields.Many2many(
        'purchase.order.line',
        string='Purchase Order Lines',
        readonly=True,
    )

<button name="action_view_purchase"
        icon="fa-shopping-cart"
        invisible="purchase_count == 0">
    <field name="purchase_count" widget="statinfo" 
           string="Purchase Orders" />
</button>

def action_cancel(self):
    res = super().action_cancel()
    if not self.env.context.get('skip_cancel_po_from_stock_request'):
        self.sudo().purchase_ids.filtered(
            lambda x: x.state not in ('purchase', 'done', 'cancel')
            and x.stock_request_ids == self
        ).button_cancel()
    return res

class StockRequest(models.Model):
    _inherit = 'stock.request'

    production_ids = fields.Many2many(
        'mrp.production',
        string='Manufacturing Orders',
        readonly=True,
    )
    production_count = fields.Integer(
        compute='_compute_production_ids',
    )

<button name="action_view_mrp_production"
        icon="fa-gears"
        invisible="production_count == 0">
    <field name="production_count" widget="statinfo" 
           string="Manufacturing Orders" />
</button>

class StockRequest(models.Model):
    _inherit = 'stock.request'

    state = fields.Selection(
        selection_add=[('submitted', 'Submitted'), ('open',)]
    )

    def action_submit(self):
        self._action_submit()

    def _action_submit(self):
        self.state = 'submitted'

# Create Kanban card for a product
kanban_card = env['stock.request.kanban'].create({
    'name': 'KANBAN-001',
    'product_id': product.id,
    'product_uom_qty': 100.0,  # Fixed quantity per card
    'location_id': production_line.id,
    'warehouse_id': warehouse.id,
})

# When card is scanned/triggered
kanban_card.action_request()  # Creates stock request automatically

# Stock request with tier validation
class StockRequest(models.Model):
    _name = 'stock.request'
    _inherit = ['stock.request', 'tier.validation']

    # Validation methods
    def validate_tier(self):
        # Approve current tier
        pass

    def reject_tier(self):
        # Reject and return to requester
        pass

class StockRequest(models.Model):
    _inherit = 'stock.request'

    direction = fields.Selection([
        ('inbound', 'Inbound'),
        ('outbound', 'Outbound'),
    ], string='Direction')

# __manifest__.py
{
    'name': 'Stock Request Custom Integration',
    'depends': ['stock_request'],
}

# models/stock_request.py
from odoo import fields, models

class StockRequest(models.Model):
    _inherit = 'stock.request'

    # Add custom fields
    custom_field = fields.Char('Custom Field')

    # Extend methods
    def action_confirm(self):
        # Custom logic before confirmation
        self._custom_pre_confirm()
        # Call parent method
        result = super().action_confirm()
        # Custom logic after confirmation
        self._custom_post_confirm()
        return result

    def _custom_pre_confirm(self):
        # Your custom integration logic
        pass

    def _custom_post_confirm(self):
        # Your custom integration logic  
        pass

class StockRequest(models.Model):
    _inherit = 'stock.request'

    def _prepare_procurement_values(self, group_id=False):
        values = super()._prepare_procurement_values(group_id)
        # Add custom values
        values.update({
            'custom_key': self.custom_field,
            'another_key': self.compute_custom_value(),
        })
        return values

<!-- views/stock_request_views.xml -->
<record id="view_stock_request_form_inherit" model="ir.ui.view">
    <field name="name">stock.request.form.custom</field>
    <field name="model">stock.request</field>
    <field name="inherit_id" ref="stock_request.view_stock_request_form"/>
    <field name="arch" type="xml">
        <xpath expr="//div[@name='button_box']" position="inside">
            <button type="object"
                    name="action_view_custom_records"
                    class="oe_stat_button"
                    icon="fa-custom-icon"
                    invisible="custom_count == 0">
                <field name="custom_count" widget="statinfo" 
                       string="Custom Records"/>
            </button>
        </xpath>
    </field>
</record>