# -*- coding:utf-8 -*-

from odoo import api, fields, models


class HrEmployee(models.Model):
    _inherit = 'hr.employee'
    _description = 'Employee'

    slip_ids = fields.One2many('hr.payslip', 'employee_id', string='Payslips', readonly=True, help="payslip")
    payslip_count = fields.Integer(compute='_compute_payslip_count', string='Payslip Count')

    def _compute_payslip_count(self):

        payslip_data = self.env['hr.payslip'].sudo().read_group([('employee_id', 'in', self.ids)],
                                                                  ['employee_id'], ['employee_id'])
        result = dict((data['employee_id'][0], data['employee_id_count']) for data in payslip_data)
        for employee in self:
            employee.payslip_count = result.get(employee.id, 0)