migrate old isbn arrays again, fixes #193

This commit is contained in:
j 2016-01-19 11:43:57 +05:30
parent a2b55bc24e
commit e5995a6423
2 changed files with 29 additions and 1 deletions

View file

@ -101,4 +101,4 @@ USER_AGENT = 'OpenMediaLibrary/%s' % VERSION
DEBUG_HTTP = server.get('debug_http', False)
DB_VERSION = 3
DB_VERSION = 4

View file

@ -301,6 +301,8 @@ class Update(Thread):
db_version = migrate_2()
if db_version < 3:
db_version = migrate_3()
if db_version < 4:
db_version = migrate_4()
settings.server['db_version'] = settings.DB_VERSION
def run(self):
@ -355,3 +357,29 @@ def migrate_3():
i.info['pages'] = f.info['pages']
i.save()
return 3
def migrate_4():
with db.session() as session:
import item.models
from meta.utils import to_isbn13
for i in item.models.Item.query:
update = False
if 'isbn' in i.meta and isinstance(i.meta['isbn'], list):
isbns = [to_isbn13(isbn) for isbn in i.meta['isbn']]
isbns = [isbn for isbn in isbns if isbn]
if isbns:
i.meta['isbn'] = isbns[0]
if 'isbn' in i.info:
i.info['isbn'] = i.meta['isbn']
else:
del i.meta['isbn']
if 'isbn' in i.info:
del i.info['isbn']
update = True
if 'isbn' in i.meta and not i.meta['isbn']:
del i.meta['isbn']
update = True
if update:
session.add(i)
session.commit()
return 4