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db.table._archive_records()

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This commit is contained in:
Massimo Di Pierro
2012-04-05 20:20:08 -05:00
parent 66edba7f05
commit 1edbe9e340
3 changed files with 41 additions and 31 deletions
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gluon/tools.py
+6 -30
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@@ -1260,7 +1260,7 @@ class Auth(object):
def enable_record_versioning(self,
tables,
archive_db = None,
archive_names='%s_archive',
archive_names='%(tablename)s_archive',
current_record='current_record'):
"""
to enable full record vernionioning (including auth tables):
@@ -1288,36 +1288,12 @@ class Auth(object):
does automatically.
"""
def archive(qset,fs,archive_table,current_name):
tablenames = qset.db._adapter.tables(qset.query)
if len(tablenames)!=1: raise RuntimeError, "cannot update join"
table = qset.db[tablenames[0]]
for row in qset.select():
fields = archive_table._filter_fields(row)
fields[current_record] = row.id
archive_table.insert(**fields)
archive_db = archive_db or self.db
tables = [table for table in tables]
for table in tables:
fieldnames = table.fields()
if 'modified_by' in fieldnames and 'modified_on' in fieldnames:
archive_name = archive_names % table._tablename
archive_table = archive_db.define_table(
archive_name,
Field(current_record,table),
table)
table._before_update.append(
lambda qset,fs,at=archive_table,cn=current_record:
archive(qset,fs,at,cn))
if 'is_active' in fieldnames:
table._before_delete.append(
lambda qset: qset.update(is_active=False))
newquery = lambda query, t=table: t.is_active == True
query = table._common_filter
if query:
newquery = query & newquery
table._common_filter = newquery
for table in tables:
table._archive_records(
archive_db = archive_db,
archive_name = archive_names,
current_record = current_record)
def define_tables(self, username=False, signature=None,
migrate=True, fake_migrate=False):