[ADD] #10 allow resetting future leaves for employees, all leaves for…

… managers.

verdigado_attendance/__manifest__.py

@@ -26,6 +26,7 @@
         "views/hr_attendance_view.xml",
         "views/hr_attendance_report.xml",
         "views/hr_leave_type.xml",
+        "views/hr_leave.xml",
         "views/hr_menu_human_resources_configuration.xml",
         "views/menu.xml",
     ],

verdigado_attendance/models/__init__.py

@@ -4,4 +4,5 @@
 from . import hr_attendance_break
 from . import hr_attendance_overtime
 from . import hr_attendance_report
+from . import hr_leave
 from . import hr_leave_type

verdigado_attendance/models/hr_leave.py

@@ -0,0 +1,33 @@
+# Copyright 2023 Hunki Enterprises BV
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from odoo import fields, models
+
+
+class HrLeave(models.Model):
+    _inherit = "hr.leave"
+
+    def _check_approval_update(self, state):
+        """Always allow to reset to draft for future leaves"""
+        if state == "draft":
+            self = self.filtered(
+                lambda x: not x.date_from
+                or x.date_from.date() <= fields.Date.today()
+                and self.env.user.employee_id
+                not in (x.manager_id | x.employee_id.leave_manager_id.employee_id)
+            )
+        return super(HrLeave, self)._check_approval_update(state)
+
+    def action_draft(self):
+        """Allow setting to draft from any state"""
+        # manipulate cache to make records look like being in state 'confirm' as
+        # super only allows it for this and 'refuse'
+        self.read([])
+        for this in self:
+            this._cache["state"] = "confirm"
+        return super().action_draft()
+
+    def unlink(self):
+        """Reset to draft before unlink to clean up dependent objects"""
+        self.action_draft()
+        return super().unlink()

verdigado_attendance/views/hr_leave.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<odoo>
+    <record id="hr_leave_view_form" model="ir.ui.view">
+        <field name="inherit_id" ref="hr_holidays.hr_leave_view_form" />
+        <field name="model">hr.leave</field>
+        <field name="arch" type="xml">
+            <button name="action_draft" position="attributes">
+                <attribute name="attrs">
+                    {'invisible': ['|', ('can_reset', '=', False), ('state', '=',
+                    'draft')]}
+                </attribute>
+            </button>
+        </field>
+    </record>
+</odoo>