43 lines
1.7 KiB
Python

# Part of Odoo. See LICENSE file for full copyright and licensing details.
from odoo import api, models
class Base(models.AbstractModel):
_inherit = 'base'
@api.model
def hierarchy_read(self, domain, fields, parent_field, child_field=None):
if parent_field not in fields:
fields.append(parent_field)
records = self.search(domain)
focus_record = self.env[self._name]
fetch_child_ids_for_all_records = False
if len(records) == 1:
domain = [(parent_field, '=', records.id), ('id', '!=', records.id)]
if records[parent_field]:
focus_record = records
records += focus_record[parent_field]
domain = [('id', 'not in', records.ids), (parent_field, 'in', records.ids)]
records += self.search(domain)
elif not records:
records = self.search([(parent_field, '=', False)])
else:
fetch_child_ids_for_all_records = True
children_ids_per_record_id = {}
if not child_field:
children_ids_per_record_id = {
record.id: child_ids
for record, child_ids in self._read_group(
[(parent_field, 'in', records.ids if fetch_child_ids_for_all_records else (records - records[parent_field]).ids)],
(parent_field,),
('id:array_agg',),
)
}
result = records.read(fields)
if children_ids_per_record_id:
for record_data in result:
if record_data['id'] in children_ids_per_record_id:
record_data['__child_ids__'] = children_ids_per_record_id[record_data['id']]
return result