Monetary fields

Monetary fields are used to store financial amounts along with their corresponding currencies. In Odoo, there is built-in support for managing monetary values by linking them to a specific currency. These fields can be defined either as monetary fields or as float fields with a monetary widget for display.

Start by creating a Python file and adding the following code:

from odoo import api, fields, models

class FeeInherit(models.Model):
    _inherit = "school.student"

    company_id = fields.Many2one(
        'res.company',
        string="Company",
        copy=False,
        default=lambda self: self.env.user.company_id.id
    )
    currency_id = fields.Many2one(
        'res.currency',
        string="Currency",
        related='company_id.currency_id'
    )
    tuition_amount = fields.Monetary(
        string='Tuition Amount',
        currency_field='currency_id'
    )

In this example:

• The company_id field links the student to the current user’s company.
• The currency_id field fetches the currency used by that company.
• The tuition_amount field stores the monetary amount and is linked to currency_id to ensure the correct currency is displayed.

<form>
    <sheet>
        <group>
            <group>
                <field name="currency_id" invisible="1"/>
                <field name="tuition_amount"/>
            </group>
        </group>
    </sheet>
</form>

Instead of using a Monetary field in the Python file, you can define the fee field as a simple Float and use the monetary widget in the XML view:

<field name="tuition_amount" widget="monetary"/>