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###################################################################################
#
# Copyright (C) 2017 MuK IT GmbH
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
###################################################################################
import json
import operator
import functools
import collections
from odoo import models, fields, api
class Hierarchy(models.AbstractModel):
_name = 'muk_utils.mixins.hierarchy'
_description = 'Hierarchy Mixin'
_parent_store = True
_parent_path_sudo = False
#----------------------------------------------------------
# Database
#----------------------------------------------------------
parent_path = fields.Char(
string="Parent Path",
index=True)
@api.model
def _add_magic_fields(self):
super(Hierarchy, self)._add_magic_fields()
def add(name, field):
if name not in self._fields:
self._add_field(name, field)
add('parent_path_names', fields.Char(
_module=self._module,
compute='_compute_parent_path',
compute_sudo=self._parent_path_sudo,
string="Path Names",
readonly=True,
store=True,
automatic=True))
add('parent_path_json', fields.Text(
_module=self._module,
compute='_compute_parent_path',
compute_sudo=self._parent_path_sudo,
string="Path Json",
readonly=True,
store=True,
automatic=True))
#----------------------------------------------------------
# Read, View
#----------------------------------------------------------
@api.depends('parent_path')
def _compute_parent_path(self):
paths = [list(map(int, rec.parent_path.split('/')[:-1])) for rec in self]
ids = set(functools.reduce(operator.concat, paths))
data = dict(self.browse(ids)._filter_access('read').name_get())
for record in self:
path_names = [""]
path_json = []
for id in reversed(list(map(int, record.parent_path.split('/')[:-1]))):
if id not in data:
break
path_names.append(data[id])
path_json.append({
'model': record._name,
'name': data[id],
'id': record.id,
})
path_names.reverse()
path_json.reverse()
record.update({
'parent_path_names': '/'.join(path_names),
'parent_path_json': json.dumps(path_json),
})
#----------------------------------------------------------
# Create, Update, Delete
#----------------------------------------------------------
@api.multi
def write(self, vals):
if self._rec_name_fallback() in vals:
with self.env.norecompute():
res = super(Hierarchy, self).write(vals)
domain = [('id', 'child_of', self.ids)]
records = self.sudo().search(domain)
records.modified(['parent_path'])
if self.env.recompute and self.env.context.get('recompute', True):
records.recompute()
return res
return super(Hierarchy, self).write(vals)