Files
odoo_source/addons/base_sparse_field/models/models.py
T
Adrian Torres 1daf8eb127 [FIX] *: set ondelete policy of required Selection fields
With this commit, Selection fields with `required=True` which are
extended via `selection_add` are given proper ondelete policies to
ensure the cleanup of records containing these extended options during
uninstall of the extending module.

This commit also cleans up leftover uninstall hooks that were being used
to handle the same set of problems prior to the ondelete mechanism being
implemented for Selection fields.

closes odoo/odoo#46325

Related: odoo/enterprise#9117
Signed-off-by: Raphael Collet (rco) <rco@openerp.com>
2020-03-30 13:42:04 +00:00

79 lines
3.4 KiB
Python

# -*- coding: utf-8 -*-
from odoo import models, fields, api, _
from odoo.exceptions import UserError
class IrModelFields(models.Model):
_inherit = 'ir.model.fields'
ttype = fields.Selection(selection_add=[
('serialized', 'serialized'),
], ondelete={'serialized': 'cascade'})
serialization_field_id = fields.Many2one('ir.model.fields', string='Serialization Field',
ondelete='cascade', domain="[('ttype','=','serialized'), ('model_id', '=', model_id)]",
help="If set, this field will be stored in the sparse structure of the "
"serialization field, instead of having its own database column. "
"This cannot be changed after creation.",
)
def write(self, vals):
# Limitation: renaming a sparse field or changing the storing system is
# currently not allowed
if 'serialization_field_id' in vals or 'name' in vals:
for field in self:
if 'serialization_field_id' in vals and field.serialization_field_id.id != vals['serialization_field_id']:
raise UserError(_('Changing the storing system for field "%s" is not allowed.') % field.name)
if field.serialization_field_id and (field.name != vals['name']):
raise UserError(_('Renaming sparse field "%s" is not allowed') % field.name)
return super(IrModelFields, self).write(vals)
def _reflect_model(self, model):
super(IrModelFields, self)._reflect_model(model)
# set 'serialization_field_id' on sparse fields; it is done here to
# ensure that the serialized field is reflected already
cr = self._cr
query = """ UPDATE ir_model_fields
SET serialization_field_id=%s
WHERE model=%s AND name=%s
RETURNING id
"""
fields_data = self._existing_field_data(model._name)
for field in model._fields.values():
ser_field_id = None
ser_field_name = getattr(field, 'sparse', None)
if ser_field_name:
if ser_field_name not in fields_data:
msg = _("Serialization field `%s` not found for sparse field `%s`!")
raise UserError(msg % (ser_field_name, field.name))
ser_field_id = fields_data[ser_field_name]['id']
if fields_data[field.name]['serialization_field_id'] != ser_field_id:
cr.execute(query, (ser_field_id, model._name, field.name))
record = self.browse(cr.fetchone())
self.pool.post_init(record.modified, ['serialization_field_id'])
self.clear_caches()
def _instanciate_attrs(self, field_data):
attrs = super(IrModelFields, self)._instanciate_attrs(field_data)
if attrs and field_data.get('serialization_field_id'):
serialization_record = self.browse(field_data['serialization_field_id'])
attrs['sparse'] = serialization_record.name
return attrs
class TestSparse(models.TransientModel):
_name = 'sparse_fields.test'
_description = 'Sparse fields Test'
data = fields.Serialized()
boolean = fields.Boolean(sparse='data')
integer = fields.Integer(sparse='data')
float = fields.Float(sparse='data')
char = fields.Char(sparse='data')
selection = fields.Selection([('one', 'One'), ('two', 'Two')], sparse='data')
partner = fields.Many2one('res.partner', sparse='data')