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###################################################################################
#
# Copyright (c) 2017-2019 MuK IT GmbH.
#
# This file is part of MuK Large Objects Attachment
# (see https://mukit.at).
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
###################################################################################
import base64
import logging
from odoo import api, models
from odoo.addons.muk_fields_lobject.fields.lobject import LargeObject
_logger = logging.getLogger(__name__)
class LObjectIrAttachment(models.Model):
_inherit = "ir.attachment"
# ----------------------------------------------------------
# Database
# ----------------------------------------------------------
store_lobject = LargeObject(string="Data")
# ----------------------------------------------------------
# Helper
# ----------------------------------------------------------
@api.model
def _get_storage_domain(self, storage):
if storage == "lobject":
return [("store_lobject", "=", False)]
return super(LObjectIrAttachment, self)._get_storage_domain(storage)
# ----------------------------------------------------------
# Function
# ----------------------------------------------------------
@api.model
def storage_locations(self):
locations = super(LObjectIrAttachment, self).storage_locations()
locations.append("lobject")
return locations
# ----------------------------------------------------------
# Read
# ----------------------------------------------------------
@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.with_context(
{"human_size": True}
).store_lobject
else:
attach.datas = attach.with_context({"base64": True}).store_lobject
else:
super(LObjectIrAttachment, attach)._compute_datas()
# ----------------------------------------------------------
# Create, Write, Delete
# ----------------------------------------------------------
def _get_datas_related_values(self, data, mimetype):
if self._storage() == "lobject":
bin_data = base64.b64decode(data) if data else b""
values = {
"file_size": len(bin_data),
"checksum": self._compute_checksum(bin_data),
"index_content": self._index(bin_data, mimetype),
"store_lobject": bin_data,
"store_fname": False,
"db_datas": False,
}
return values
return super(LObjectIrAttachment, attach)._get_datas_related_values(
data, mimetype
)