seitime-frappe/frappe/model/utils/link_count.py
2017-06-20 12:46:43 +05:30

51 lines
1.5 KiB
Python

# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
# MIT License. See license.txt
from __future__ import unicode_literals
import frappe
from six import iteritems
ignore_doctypes = ("DocType", "Print Format", "Role", "Module Def", "Communication",
"ToDo")
def notify_link_count(doctype, name):
'''updates link count for given document'''
if hasattr(frappe.local, 'link_count'):
if (doctype, name) in frappe.local.link_count:
frappe.local.link_count[(doctype, name)] += 1
else:
frappe.local.link_count[(doctype, name)] = 1
def flush_local_link_count():
'''flush from local before ending request'''
if not getattr(frappe.local, 'link_count', None):
return
link_count = frappe.cache().get_value('_link_count')
if not link_count:
link_count = {}
for key, value in frappe.local.link_count.items():
if key in link_count:
link_count[key] += frappe.local.link_count[key]
else:
link_count[key] = frappe.local.link_count[key]
frappe.cache().set_value('_link_count', link_count)
def update_link_count():
'''increment link count in the `idx` column for the given document'''
link_count = frappe.cache().get_value('_link_count')
if link_count:
for key, count in iteritems(link_count):
if key[0] not in ignore_doctypes:
try:
frappe.db.sql('update `tab{0}` set idx = idx + {1} where name=%s'.format(key[0], count),
key[1], auto_commit=1)
except Exception, e:
if e.args[0]!=1146: # table not found, single
raise e
# reset the count
frappe.cache().delete_value('_link_count')