1 files changed, 16 insertions, 0 deletions
diff --git a/addons/project_timesheet_holidays/models/account_analytic.py b/addons/project_timesheet_holidays/models/account_analytic.py
new file mode 100644
index 00000000..2ae5fa36
--- /dev/null
+++ b/addons/project_timesheet_holidays/models/account_analytic.py
@@ -0,0 +1,16 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo import api, fields, models, _
+from odoo.exceptions import UserError
+
+
+class AccountAnalyticLine(models.Model):
+    _inherit = 'account.analytic.line'
+
+    holiday_id = fields.Many2one("hr.leave", string='Leave Request')
+
+    def unlink(self):
+        if any(line.holiday_id for line in self):
+            raise UserError(_('You cannot delete timesheet lines attached to a leaves. Please cancel the leaves instead.'))
+        return super(AccountAnalyticLine, self).unlink()