add new module

hr_payroll_community/models/hr_employee.py

@@ -0,0 +1,20 @@
+# -*- 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)
+
+