from odoo import fields, models


class ResConfigSettings(models.TransientModel):
    _inherit = 'res.config.settings'

    classifieds_expiry_days = fields.Integer(
        string='Listing Duration (days)',
        config_parameter='community_classifieds.expiry_days',
        default=30,
        help="Number of days a published classified listing stays active before it expires.",
    )