222 lines
6 KiB
Python
222 lines
6 KiB
Python
# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
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# MIT License. See license.txt
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from __future__ import unicode_literals
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import frappe
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from frappe.desk.notifications import clear_notifications
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from frappe.cache_manager import clear_defaults_cache, common_default_keys
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# Note: DefaultValue records are identified by parenttype
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# __default, __global or 'User Permission'
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def set_user_default(key, value, user=None, parenttype=None):
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set_default(key, value, user or frappe.session.user, parenttype)
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def add_user_default(key, value, user=None, parenttype=None):
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add_default(key, value, user or frappe.session.user, parenttype)
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def get_user_default(key, user=None):
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user_defaults = get_defaults(user or frappe.session.user)
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d = user_defaults.get(key, None)
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if is_a_user_permission_key(key):
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if d and isinstance(d, (list, tuple)) and len(d)==1:
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# Use User Permission value when only when it has a single value
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d = d[0]
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else:
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d = user_defaults.get(frappe.scrub(key), None)
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value = isinstance(d, (list, tuple)) and d[0] or d
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if not_in_user_permission(key, value, user):
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return
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return value
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def get_user_default_as_list(key, user=None):
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user_defaults = get_defaults(user or frappe.session.user)
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d = user_defaults.get(key, None)
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if is_a_user_permission_key(key):
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if d and isinstance(d, (list, tuple)) and len(d)==1:
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# Use User Permission value when only when it has a single value
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d = [d[0]]
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else:
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d = user_defaults.get(frappe.scrub(key), None)
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d = list(filter(None, (not isinstance(d, (list, tuple))) and [d] or d))
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# filter default values if not found in user permission
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values = [value for value in d if not not_in_user_permission(key, value)]
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return values
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def is_a_user_permission_key(key):
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return ":" not in key and key != frappe.scrub(key)
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def not_in_user_permission(key, value, user=None):
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# returns true or false based on if value exist in user permission
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user = user or frappe.session.user
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user_permission = get_user_permissions(user).get(frappe.unscrub(key))
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return user_permission and not (value in user_permission['docs'])
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def get_user_permissions(user=None):
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from frappe.core.doctype.user_permission.user_permission \
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import get_user_permissions as _get_user_permissions
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'''Return frappe.core.doctype.user_permissions.user_permissions._get_user_permissions (kept for backward compatibility)'''
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return _get_user_permissions(user)
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def get_defaults(user=None):
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globald = get_defaults_for()
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if not user:
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user = frappe.session.user if frappe.session else "Guest"
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if user:
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userd = {}
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userd.update(get_defaults_for(user))
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userd.update({"user": user, "owner": user})
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globald.update(userd)
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return globald
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def clear_user_default(key, user=None):
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clear_default(key, parent=user or frappe.session.user)
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# Global
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def set_global_default(key, value):
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set_default(key, value, "__default")
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def add_global_default(key, value):
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add_default(key, value, "__default")
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def get_global_default(key):
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d = get_defaults().get(key, None)
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value = isinstance(d, (list, tuple)) and d[0] or d
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if not_in_user_permission(key, value):
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return
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return value
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# Common
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def set_default(key, value, parent, parenttype="__default"):
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"""Override or add a default value.
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Adds default value in table `tabDefaultValue`.
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:param key: Default key.
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:param value: Default value.
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:param parent: Usually, **User** to whom the default belongs.
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:param parenttype: [optional] default is `__default`."""
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if frappe.db.sql('''
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select
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defkey
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from
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tabDefaultValue
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where
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defkey=%s and parent=%s
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for update''', (key, parent)):
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frappe.db.sql("""
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delete from
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`tabDefaultValue`
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where
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defkey=%s and parent=%s""", (key, parent))
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if value != None:
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add_default(key, value, parent)
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else:
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_clear_cache(parent)
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def add_default(key, value, parent, parenttype=None):
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d = frappe.get_doc({
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"doctype": "DefaultValue",
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"parent": parent,
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"parenttype": parenttype or "__default",
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"parentfield": "system_defaults",
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"defkey": key,
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"defvalue": value
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})
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d.insert(ignore_permissions=True)
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_clear_cache(parent)
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def clear_default(key=None, value=None, parent=None, name=None, parenttype=None):
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"""Clear a default value by any of the given parameters and delete caches.
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:param key: Default key.
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:param value: Default value.
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:param parent: User name, or `__global`, `__default`.
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:param name: Default ID.
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:param parenttype: Clear defaults table for a particular type e.g. **User**.
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"""
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conditions = []
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values = []
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if name:
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conditions.append("name=%s")
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values.append(name)
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else:
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if key:
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conditions.append("defkey=%s")
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values.append(key)
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if value:
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conditions.append("defvalue=%s")
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values.append(value)
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if parent:
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conditions.append("parent=%s")
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values.append(parent)
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if parenttype:
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conditions.append("parenttype=%s")
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values.append(parenttype)
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if parent:
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clear_defaults_cache(parent)
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else:
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clear_defaults_cache("__default")
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clear_defaults_cache("__global")
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if not conditions:
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raise Exception("[clear_default] No key specified.")
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frappe.db.sql("""delete from tabDefaultValue where {0}""".format(" and ".join(conditions)),
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tuple(values))
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_clear_cache(parent)
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def get_defaults_for(parent="__default"):
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"""get all defaults"""
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defaults = frappe.cache().hget("defaults", parent)
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if defaults==None:
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# sort descending because first default must get precedence
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res = frappe.db.sql("""select defkey, defvalue from `tabDefaultValue`
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where parent = %s order by creation""", (parent,), as_dict=1)
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defaults = frappe._dict({})
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for d in res:
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if d.defkey in defaults:
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# listify
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if not isinstance(defaults[d.defkey], list) and defaults[d.defkey] != d.defvalue:
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defaults[d.defkey] = [defaults[d.defkey]]
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if d.defvalue not in defaults[d.defkey]:
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defaults[d.defkey].append(d.defvalue)
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elif d.defvalue is not None:
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defaults[d.defkey] = d.defvalue
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frappe.cache().hset("defaults", parent, defaults)
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return defaults
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def _clear_cache(parent):
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if parent in common_default_keys:
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frappe.clear_cache()
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else:
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clear_notifications(user=parent)
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frappe.clear_cache(user=parent)
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