from odoo import models, fields, api

class ResPartner(models.Model):
    _inherit = 'res.partner'

    vps_server_ids = fields.One2many('vps.server', 'customer_id', string='VPS Servers')
    vps_server_count = fields.Integer(string='VPS Server Count', compute='_compute_vps_server_count')

    @api.depends('vps_server_ids')
    def _compute_vps_server_count(self):
        for partner in self:
            partner.vps_server_count = len(partner.vps_server_ids)

    def action_view_vps_servers(self):
        self.ensure_one()
        action = self.env.ref('ow_vm_management.action_vps_server').read()[0]
        action['domain'] = [('customer_id', '=', self.id)]
        action['context'] = {'default_customer_id': self.id}
        return action