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###################################################################################
#
# Copyright (C) 2018 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 base64
import logging
import mimetypes
from odoo import api, models, _
from odoo.exceptions import AccessError
from odoo.addons.muk_fields_lobject.fields.lobject import LargeObject
_logger = logging.getLogger(__name__)
class LObjectIrAttachment(models.Model):
_inherit = 'ir.attachment'
store_lobject = LargeObject(
string="Data")
@api.model
def storage_locations(self):
locations = super(LObjectIrAttachment, self).storage_locations()
locations.append('lobject')
return locations
@api.model
def force_storage(self):
if not self.env.user._is_admin():
raise AccessError(_('Only administrators can execute this action.'))
if self._storage() != 'lobject':
return super(LObjectIrAttachment, self).force_storage()
else:
storage_domain = {
'lobject': ('store_lobject', '=', False),
}
record_domain = [
'&', storage_domain[self._storage()],
'|', ('res_field', '=', False), ('res_field', '!=', False)
]
self.search(record_domain).migrate()
return True
@api.depends('store_lobject')
def _compute_datas(self):
bin_size = self._context.get('bin_size')
for attach in self:
if attach.store_lobject:
if bin_size:
attach.datas = attach.store_lobject
else:
attach.datas = attach.with_context({'base64': True}).store_lobject
else:
super(LObjectIrAttachment, attach)._compute_datas()
def _inverse_datas(self):
location = self._storage()
for attach in self:
if location == 'lobject':
value = attach.datas
bin_data = base64.b64decode(value) if value else b''
vals = {
'file_size': len(bin_data),
'checksum': self._compute_checksum(bin_data),
'index_content': self._index(bin_data, attach.datas_fname, attach.mimetype),
'store_fname': False,
'db_datas': False,
'store_lobject': bin_data,
}
fname = attach.store_fname
super(LObjectIrAttachment, attach.sudo()).write(vals)
if fname:
self._file_delete(fname)
else:
super(LObjectIrAttachment, attach)._inverse_datas()