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# -*- coding: utf-8 -*-
# © 2016 Antiun Ingeniería S.L. - Jairo Llopis
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
from openerp import api, SUPERUSER_ID
import logging
_logger = logging.getLogger(__name__)
def pre_init_hook_for_submodules(cr, model, field):
"""Moves images from single to multi mode.
Feel free to use this as a ``pre_init_hook`` for submodules.
:param str model:
Model name, like ``product.template``.
:param str field:
Binary field that had the images in that :param:`model`, like
``image``.
"""
env = api.Environment(cr, SUPERUSER_ID, dict())
with cr.savepoint():
cr.execute(
"""
INSERT INTO base_multi_image_image (
owner_id,
owner_model,
storage,
file_db_store
)
SELECT
id,
%%s,
'db',
%(field)s
FROM
%(table)s
WHERE
%(field)s IS NOT NULL
""" % {"table": env[model]._table, "field": field},
(model,)
)
def pre_init_hook(cr):
"""run the migration for product_images"""
migrate_from_product_images(cr)
def migrate_from_product_images(cr):
"""If we're installed on a database which has product_images from 7,
move its table so that we use the already existing images"""
cr.execute("SELECT 1 FROM pg_class WHERE relname = 'product_images'")
if not cr.fetchone():
return
cr.execute(
'alter table product_images rename to base_multi_image_image')
cr.execute(
'alter table base_multi_image_image rename product_id to owner_id')
cr.execute(
'alter table base_multi_image_image '
"add column owner_model varchar not null default 'product.template',"
"add column storage varchar not null default 'db'")
cr.execute(
'alter table base_multi_image_image '
'alter column owner_model drop default')
# we assume all images apply to all variants
cr.execute(
"update base_multi_image_image set "
"owner_id=p.product_tmpl_id "
"from product_product p where p.id=owner_id"
)
# and there might be dangling links
cr.execute('delete from base_multi_image_image where owner_id is null')