seitime-frappe/webnotes/model/delete_doc.py
2013-12-23 20:01:10 +05:30

96 lines
3.2 KiB
Python

# Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. and Contributors
# MIT License. See license.txt
from __future__ import unicode_literals
import webnotes
import webnotes.model.meta
import webnotes.defaults
from webnotes.utils.file_manager import remove_all
from webnotes import _
def delete_doc(doctype=None, name=None, doclist = None, force=0, ignore_doctypes=[], for_reload=False, ignore_permissions=False):
"""
Deletes a doc(dt, dn) and validates if it is not submitted and not linked in a live record
"""
# get from form
if not doctype:
doctype = webnotes.form_dict.get('dt')
name = webnotes.form_dict.get('dn')
if not doctype:
webnotes.msgprint('Nothing to delete!', raise_exception =1)
# already deleted..?
if not webnotes.conn.exists(doctype, name):
return
if not for_reload:
check_permission_and_not_submitted(doctype, name, ignore_permissions)
run_on_trash(doctype, name, doclist)
# check if links exist
if not force:
check_if_doc_is_linked(doctype, name)
try:
tablefields = webnotes.model.meta.get_table_fields(doctype)
webnotes.conn.sql("delete from `tab%s` where name=%s" % (doctype, "%s"), name)
for t in tablefields:
if t[0] not in ignore_doctypes:
webnotes.conn.sql("delete from `tab%s` where parent = %s" % (t[0], '%s'), name)
except Exception, e:
if e.args[0]==1451:
webnotes.msgprint("Cannot delete %s '%s' as it is referenced in another record. You must delete the referred record first" % (doctype, name))
raise
# delete attachments
remove_all(doctype, name)
# delete restrictions
webnotes.defaults.clear_default(parenttype="Restriction", key=doctype, value=name)
return 'okay'
def check_permission_and_not_submitted(doctype, name, ignore_permissions=False):
# permission
if not ignore_permissions and webnotes.session.user!="Administrator" and not webnotes.has_permission(doctype, "cancel"):
webnotes.msgprint(_("User not allowed to delete."), raise_exception=True)
# check if submitted
if webnotes.conn.get_value(doctype, name, "docstatus") == 1:
webnotes.msgprint(_("Submitted Record cannot be deleted")+": "+name+"("+doctype+")",
raise_exception=True)
def run_on_trash(doctype, name, doclist):
# call on_trash if required
if doclist:
bean = webnotes.bean(doclist)
else:
bean = webnotes.bean(doctype, name)
bean.run_method("on_trash")
class LinkExistsError(webnotes.ValidationError): pass
def check_if_doc_is_linked(dt, dn, method="Delete"):
"""
Raises excption if the given doc(dt, dn) is linked in another record.
"""
from webnotes.model.rename_doc import get_link_fields
link_fields = get_link_fields(dt)
link_fields = [[lf['parent'], lf['fieldname'], lf['issingle']] for lf in link_fields]
for link_dt, link_field, issingle in link_fields:
if not issingle:
item = webnotes.conn.get_value(link_dt, {link_field:dn},
["name", "parent", "parenttype", "docstatus"], as_dict=True)
if item and item.parent != dn and (method=="Delete" or
(method=="Cancel" and item.docstatus==1)):
webnotes.msgprint(method + " " + _("Error") + ":"+\
("%s (%s) " % (dn, dt)) + _("is linked in") + (" %s (%s)") %
(item.parent or item.name, item.parent and item.parenttype or link_dt),
raise_exception=LinkExistsError)