from odoo import fields, models


class MrpBom(models.Model):
    _inherit = 'mrp.bom'

    ifc_project_id = fields.Many2one('grt.ifc.project', string='IFC Engineering Document', index=True)
    is_ifc_permanent = fields.Boolean(string='IFC Permanent BoM', default=False, index=True)
    source_estimated_bom_id = fields.Many2one('mrp.bom', string='Source Estimated BoM', copy=False)