seitime-frappe/frappe/model/create_new.py
Gavin D'souza e407b78506 chore: Drop dead and deprecated code
* Remove six for PY2 compatability since our dependencies are not, PY2
  is legacy.
* Removed usages of utils from future/past libraries since they are
  deprecated. This includes 'from __future__ ...' and 'from past...'
  statements.
* Removed compatibility imports for PY2, switched from six imports to
  standard library imports.
* Removed utils code blocks that handle operations depending on PY2/3
  versions.
* Removed 'from __future__ ...' lines from templates/code generators
* Used PY3 syntaxes in place of PY2 compatible blocks. eg: metaclass
2021-05-26 15:31:29 +05:30

169 lines
6 KiB
Python

# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
# MIT License. See license.txt
"""
Create a new document with defaults set
"""
import copy
import frappe
import frappe.defaults
from frappe.model import data_fieldtypes
from frappe.utils import nowdate, nowtime, now_datetime, cstr
from frappe.core.doctype.user_permission.user_permission import get_user_permissions
from frappe.permissions import filter_allowed_docs_for_doctype
def get_new_doc(doctype, parent_doc = None, parentfield = None, as_dict=False):
if doctype not in frappe.local.new_doc_templates:
# cache a copy of new doc as it is called
# frequently for inserts
frappe.local.new_doc_templates[doctype] = make_new_doc(doctype)
doc = copy.deepcopy(frappe.local.new_doc_templates[doctype])
# doc = make_new_doc(doctype)
set_dynamic_default_values(doc, parent_doc, parentfield)
if as_dict:
return doc
else:
return frappe.get_doc(doc)
def make_new_doc(doctype):
doc = frappe.get_doc({
"doctype": doctype,
"__islocal": 1,
"owner": frappe.session.user,
"docstatus": 0
})
set_user_and_static_default_values(doc)
doc._fix_numeric_types()
doc = doc.get_valid_dict(sanitize=False)
doc["doctype"] = doctype
doc["__islocal"] = 1
if not frappe.model.meta.is_single(doctype):
doc["__unsaved"] = 1
return doc
def set_user_and_static_default_values(doc):
user_permissions = get_user_permissions()
defaults = frappe.defaults.get_defaults()
for df in doc.meta.get("fields"):
if df.fieldtype in data_fieldtypes:
# user permissions for link options
doctype_user_permissions = user_permissions.get(df.options, [])
# Allowed records for the reference doctype (link field) along with default doc
allowed_records, default_doc = filter_allowed_docs_for_doctype(doctype_user_permissions,
df.parent, with_default_doc=True)
user_default_value = get_user_default_value(df, defaults, doctype_user_permissions, allowed_records, default_doc)
if user_default_value is not None:
# if fieldtype is link check if doc exists
if not df.fieldtype == "Link" or frappe.db.exists(df.options, user_default_value):
doc.set(df.fieldname, user_default_value)
else:
if df.fieldname != doc.meta.title_field:
static_default_value = get_static_default_value(df, doctype_user_permissions, allowed_records)
if static_default_value is not None:
doc.set(df.fieldname, static_default_value)
def get_user_default_value(df, defaults, doctype_user_permissions, allowed_records, default_doc):
# don't set defaults for "User" link field using User Permissions!
if df.fieldtype == "Link" and df.options != "User":
# If user permission has Is Default enabled or single-user permission has found against respective doctype.
if (not df.ignore_user_permissions and default_doc):
return default_doc
# 2 - Look in user defaults
user_default = defaults.get(df.fieldname)
allowed_by_user_permission = validate_value_via_user_permissions(df, doctype_user_permissions,
allowed_records, user_default=user_default)
# is this user default also allowed as per user permissions?
if user_default and allowed_by_user_permission:
return user_default
def get_static_default_value(df, doctype_user_permissions, allowed_records):
# 3 - look in default of docfield
if df.get("default"):
if df.default == "__user":
return frappe.session.user
elif df.default == "Today":
return nowdate()
elif not cstr(df.default).startswith(":"):
# a simple default value
is_allowed_default_value = validate_value_via_user_permissions(df, doctype_user_permissions,
allowed_records)
if df.fieldtype!="Link" or df.options=="User" or is_allowed_default_value:
return df.default
elif (df.fieldtype == "Select" and df.options and df.options not in ("[Select]", "Loading...")):
return df.options.split("\n")[0]
def validate_value_via_user_permissions(df, doctype_user_permissions, allowed_records, user_default=None):
is_valid = True
# If User Permission exists and allowed records is empty,
# that means there are User Perms, but none applicable to this new doctype.
if user_permissions_exist(df, doctype_user_permissions) and allowed_records:
# If allowed records is not empty,
# check if this field value is allowed via User Permissions applied to this doctype.
value = user_default if user_default else df.default
is_valid = value in allowed_records
return is_valid
def set_dynamic_default_values(doc, parent_doc, parentfield):
# these values should not be cached
user_permissions = get_user_permissions()
for df in frappe.get_meta(doc["doctype"]).get("fields"):
if df.get("default"):
if cstr(df.default).startswith(":"):
default_value = get_default_based_on_another_field(df, user_permissions, parent_doc)
if default_value is not None and not doc.get(df.fieldname):
doc[df.fieldname] = default_value
elif df.fieldtype == "Datetime" and df.default.lower() == "now":
doc[df.fieldname] = now_datetime()
if df.fieldtype == "Time":
doc[df.fieldname] = nowtime()
if parent_doc:
doc["parent"] = parent_doc.name
doc["parenttype"] = parent_doc.doctype
if parentfield:
doc["parentfield"] = parentfield
def user_permissions_exist(df, doctype_user_permissions):
return (df.fieldtype=="Link"
and not getattr(df, "ignore_user_permissions", False)
and doctype_user_permissions)
def get_default_based_on_another_field(df, user_permissions, parent_doc):
# default value based on another document
from frappe.permissions import get_allowed_docs_for_doctype
ref_doctype = df.default[1:]
ref_fieldname = ref_doctype.lower().replace(" ", "_")
reference_name = parent_doc.get(ref_fieldname) if parent_doc else frappe.db.get_default(ref_fieldname)
default_value = frappe.db.get_value(ref_doctype, reference_name, df.fieldname)
is_allowed_default_value = (not user_permissions_exist(df, user_permissions.get(df.options)) or
(default_value in get_allowed_docs_for_doctype(user_permissions[df.options], df.parent)))
# is this allowed as per user permissions
if is_allowed_default_value:
return default_value