from odoo import fields, models


class McGuardian(models.Model):
    _name = "mc.guardian"
    _inherit = ["mail.thread"]
    _description = "Guardian"
    _order = "name"
    _rec_name = "name"

    partner_id = fields.Many2one(
        "res.partner", string="Contact", required=True, ondelete="restrict",
    )
    name = fields.Char(string="Name", required=True, tracking=True)
    occupation = fields.Char(string="Occupation")
    phone = fields.Char(string="Phone")
    email = fields.Char(string="Email")
    student_link_ids = fields.One2many(
        "mc.student.guardian", "guardian_id", string="Children",
    )

    _partner_uniq = models.Constraint(
        "unique(partner_id)",
        "This contact already has a guardian record.",
    )