Initial commit: Odoo 18.0-20251222 extra-addons

maintenance_equipment_category_hierarchy/models/__init__.py

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+from . import maintenance_equipment_category

maintenance_equipment_category_hierarchy/models/maintenance_equipment_category.py

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+# Copyright 2019 Creu Blanca
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import api, fields, models
+from odoo.exceptions import ValidationError
+
+
+class MaintenanceEquipmentCategory(models.Model):
+    _inherit = "maintenance.equipment.category"
+
+    _parent_name = "parent_id"
+    _parent_store = True
+    _parent_order = "name"
+    _rec_name = "complete_name"
+    _order = "parent_id"
+
+    complete_name = fields.Char(
+        compute="_compute_complete_name", store=True, recursive=True
+    )
+
+    parent_id = fields.Many2one(
+        "maintenance.equipment.category",
+        "Parent Category",
+        index=True,
+        ondelete="cascade",
+    )
+    child_id = fields.One2many(
+        "maintenance.equipment.category", "parent_id", "Child Categories"
+    )
+    parent_path = fields.Char(index=True)
+
+    @api.depends("name", "parent_id.complete_name")
+    def _compute_complete_name(self):
+        for category in self:
+            if category.parent_id:
+                category.complete_name = (
+                    f"{category.parent_id.complete_name} / {category.name}"
+                )
+            else:
+                category.complete_name = category.name
+
+    @api.constrains("parent_id")
+    def _check_category_recursion(self):
+        if self._has_cycle():
+            raise ValidationError(
+                self.env._("Error ! You cannot create recursive categories.")
+            )
+        return True