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frappe/frappe/defaults.py
Akhil Narang 26ae0f3460
fix: ruff fixes
Signed-off-by: Akhil Narang <me@akhilnarang.dev>
2024-02-07 17:04:31 +05:30

265 lines
6.6 KiB
Python

# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
# License: MIT. See LICENSE
import frappe
from frappe.cache_manager import clear_defaults_cache, common_default_keys
from frappe.query_builder import DocType
# Note: DefaultValue records are identified by parent (e.g. __default, __global)
def set_user_default(key, value, user=None, parenttype=None):
set_default(key, value, user or frappe.session.user, parenttype)
def add_user_default(key, value, user=None, parenttype=None):
add_default(key, value, user or frappe.session.user, parenttype)
def get_user_default(key, user=None):
user_defaults = get_defaults(user or frappe.session.user)
d = user_defaults.get(key, None)
if is_a_user_permission_key(key):
if d and isinstance(d, list | tuple) and len(d) == 1:
# Use User Permission value when only when it has a single value
d = d[0]
else:
d = user_defaults.get(frappe.scrub(key), None)
user_permission_default = get_user_permission_default(key, user_defaults)
if not d:
# If no default value is found, use the User Permission value
d = user_permission_default
value = isinstance(d, list | tuple) and d[0] or d
if not_in_user_permission(key, value, user):
return
return value
def get_user_permission_default(key, defaults):
permissions = get_user_permissions()
user_default = ""
if permissions.get(key):
# global default in user permission
for item in permissions.get(key):
doc = item.get("doc")
if defaults.get(key) == doc:
user_default = doc
for item in permissions.get(key):
if item.get("is_default"):
user_default = item.get("doc")
break
return user_default
def get_user_default_as_list(key, user=None):
user_defaults = get_defaults(user or frappe.session.user)
d = user_defaults.get(key, None)
if is_a_user_permission_key(key):
if d and isinstance(d, list | tuple) and len(d) == 1:
# Use User Permission value when only when it has a single value
d = [d[0]]
else:
d = user_defaults.get(frappe.scrub(key), None)
d = list(filter(None, (not isinstance(d, list | tuple)) and [d] or d))
# filter default values if not found in user permission
return [value for value in d if not not_in_user_permission(key, value)]
def is_a_user_permission_key(key):
return ":" not in key and key != frappe.scrub(key)
def not_in_user_permission(key, value, user=None):
# return true or false based on if value exist in user permission
user = user or frappe.session.user
user_permission = get_user_permissions(user).get(frappe.unscrub(key)) or []
for perm in user_permission:
# doc found in user permission
if perm.get("doc") == value:
return False
# return true only if user_permission exists
return True if user_permission else False
def get_user_permissions(user=None):
from frappe.core.doctype.user_permission.user_permission import (
get_user_permissions as _get_user_permissions,
)
"""Return frappe.core.doctype.user_permissions.user_permissions._get_user_permissions (kept for backward compatibility)"""
return _get_user_permissions(user)
def get_defaults(user=None):
global_defaults = get_defaults_for()
if not user:
user = frappe.session.user if frappe.session else "Guest"
if not user:
return global_defaults
defaults = global_defaults.copy()
defaults.update(get_defaults_for(user))
defaults.update(user=user, owner=user)
return defaults
def clear_user_default(key, user=None):
clear_default(key, parent=user or frappe.session.user)
# Global
def set_global_default(key, value):
set_default(key, value, "__default")
def add_global_default(key, value):
add_default(key, value, "__default")
def get_global_default(key):
d = get_defaults().get(key, None)
value = isinstance(d, list | tuple) and d[0] or d
if not_in_user_permission(key, value):
return
return value
# Common
def set_default(key, value, parent, parenttype="__default"):
"""Override or add a default value.
Adds default value in table `tabDefaultValue`.
:param key: Default key.
:param value: Default value.
:param parent: Usually, **User** to whom the default belongs.
:param parenttype: [optional] default is `__default`."""
table = DocType("DefaultValue")
key_exists = (
frappe.qb.from_(table)
.where((table.defkey == key) & (table.parent == parent))
.select(table.defkey)
.for_update()
.run()
)
if key_exists:
frappe.db.delete("DefaultValue", {"defkey": key, "parent": parent})
if value is not None:
add_default(key, value, parent)
else:
_clear_cache(parent)
def add_default(key, value, parent, parenttype=None):
d = frappe.get_doc(
{
"doctype": "DefaultValue",
"parent": parent,
"parenttype": parenttype or "__default",
"parentfield": "system_defaults",
"defkey": key,
"defvalue": value,
}
)
d.insert(ignore_permissions=True)
_clear_cache(parent)
def clear_default(key=None, value=None, parent=None, name=None, parenttype=None):
"""Clear a default value by any of the given parameters and delete caches.
:param key: Default key.
:param value: Default value.
:param parent: User name, or `__global`, `__default`.
:param name: Default ID.
:param parenttype: Clear defaults table for a particular type e.g. **User**.
"""
filters = {}
if name:
filters.update({"name": name})
else:
if key:
filters.update({"defkey": key})
if value:
filters.update({"defvalue": value})
if parent:
filters.update({"parent": parent})
if parenttype:
filters.update({"parenttype": parenttype})
if parent:
clear_defaults_cache(parent)
else:
clear_defaults_cache("__default")
clear_defaults_cache("__global")
if not filters:
raise Exception("[clear_default] No key specified.")
frappe.db.delete("DefaultValue", filters)
_clear_cache(parent)
def get_defaults_for(parent="__default"):
"""get all defaults"""
defaults = frappe.cache.hget("defaults", parent)
if defaults is None:
# sort descending because first default must get precedence
table = DocType("DefaultValue")
res = (
frappe.qb.from_(table)
.where(table.parent == parent)
.select(table.defkey, table.defvalue)
.orderby("creation")
.run(as_dict=True)
)
defaults = frappe._dict()
for d in res:
if d.defkey in defaults:
# listify
if not isinstance(defaults[d.defkey], list) and defaults[d.defkey] != d.defvalue:
defaults[d.defkey] = [defaults[d.defkey]]
if d.defvalue not in defaults[d.defkey]:
defaults[d.defkey].append(d.defvalue)
elif d.defvalue is not None:
defaults[d.defkey] = d.defvalue
frappe.cache.hset("defaults", parent, defaults)
return defaults
def _clear_cache(parent):
if frappe.flags.in_install:
return
frappe.clear_cache(user=parent if parent not in common_default_keys else None)