313 lines
11 KiB
Python
313 lines
11 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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import frappe.model.meta
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from frappe.model.dynamic_links import get_dynamic_link_map
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import frappe.defaults
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from frappe.core.doctype.file.file import remove_all
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from frappe.utils.password import delete_all_passwords_for
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from frappe import _
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from frappe.model.naming import revert_series_if_last
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from frappe.utils.global_search import delete_for_document
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from six import string_types, integer_types
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def delete_doc(doctype=None, name=None, force=0, ignore_doctypes=None, for_reload=False,
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ignore_permissions=False, flags=None, ignore_on_trash=False, ignore_missing=True):
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"""
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Deletes a doc(dt, dn) and validates if it is not submitted and not linked in a live record
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"""
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if not ignore_doctypes: ignore_doctypes = []
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# get from form
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if not doctype:
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doctype = frappe.form_dict.get('dt')
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name = frappe.form_dict.get('dn')
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names = name
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if isinstance(name, string_types) or isinstance(name, integer_types):
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names = [name]
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for name in names or []:
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# already deleted..?
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if not frappe.db.exists(doctype, name):
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if not ignore_missing:
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raise frappe.DoesNotExistError
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else:
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return False
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# delete passwords
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delete_all_passwords_for(doctype, name)
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doc = None
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if doctype=="DocType":
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if for_reload:
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try:
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doc = frappe.get_doc(doctype, name)
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except frappe.DoesNotExistError:
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pass
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else:
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doc.run_method("before_reload")
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else:
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doc = frappe.get_doc(doctype, name)
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update_flags(doc, flags, ignore_permissions)
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check_permission_and_not_submitted(doc)
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frappe.db.sql("delete from `tabCustom Field` where dt = %s", name)
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frappe.db.sql("delete from `tabCustom Script` where dt = %s", name)
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frappe.db.sql("delete from `tabProperty Setter` where doc_type = %s", name)
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frappe.db.sql("delete from `tabReport` where ref_doctype=%s", name)
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frappe.db.sql("delete from `tabCustom DocPerm` where parent=%s", name)
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delete_from_table(doctype, name, ignore_doctypes, None)
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else:
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doc = frappe.get_doc(doctype, name)
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if not for_reload:
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update_flags(doc, flags, ignore_permissions)
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check_permission_and_not_submitted(doc)
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if not ignore_on_trash:
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doc.run_method("on_trash")
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doc.flags.in_delete = True
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doc.run_method('on_change')
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frappe.enqueue('frappe.model.delete_doc.delete_dynamic_links', doctype=doc.doctype, name=doc.name,
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is_async=False if frappe.flags.in_test else True)
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# check if links exist
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if not force:
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check_if_doc_is_linked(doc)
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check_if_doc_is_dynamically_linked(doc)
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update_naming_series(doc)
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delete_from_table(doctype, name, ignore_doctypes, doc)
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doc.run_method("after_delete")
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# delete attachments
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remove_all(doctype, name, from_delete=True)
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# delete global search entry
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delete_for_document(doc)
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if doc and not for_reload:
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add_to_deleted_document(doc)
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if not frappe.flags.in_patch:
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try:
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doc.notify_update()
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insert_feed(doc)
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except ImportError:
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pass
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# delete user_permissions
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frappe.defaults.clear_default(parenttype="User Permission", key=doctype, value=name)
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def add_to_deleted_document(doc):
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'''Add this document to Deleted Document table. Called after delete'''
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if doc.doctype != 'Deleted Document' and frappe.flags.in_install != 'frappe':
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frappe.get_doc(dict(
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doctype='Deleted Document',
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deleted_doctype=doc.doctype,
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deleted_name=doc.name,
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data=doc.as_json(),
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owner=frappe.session.user
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)).db_insert()
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def update_naming_series(doc):
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if doc.meta.autoname:
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if doc.meta.autoname.startswith("naming_series:") \
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and getattr(doc, "naming_series", None):
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revert_series_if_last(doc.naming_series, doc.name)
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elif doc.meta.autoname.split(":")[0] not in ("Prompt", "field", "hash"):
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revert_series_if_last(doc.meta.autoname, doc.name)
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def delete_from_table(doctype, name, ignore_doctypes, doc):
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if doctype!="DocType" and doctype==name:
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frappe.db.sql("delete from `tabSingles` where `doctype`=%s", name)
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else:
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frappe.db.sql("delete from `tab{0}` where `name`=%s".format(doctype), name)
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# get child tables
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if doc:
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tables = [d.options for d in doc.meta.get_table_fields()]
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else:
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def get_table_fields(field_doctype):
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return [r[0] for r in frappe.get_all(field_doctype,
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fields='options',
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filters={
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'fieldtype': ['in', frappe.model.table_fields],
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'parent': doctype
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},
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as_list=1
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)]
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tables = get_table_fields("DocField")
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if not frappe.flags.in_install=="frappe":
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tables += get_table_fields("Custom Field")
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# delete from child tables
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for t in list(set(tables)):
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if t not in ignore_doctypes:
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frappe.db.sql("delete from `tab%s` where parenttype=%s and parent = %s" % (t, '%s', '%s'), (doctype, name))
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def update_flags(doc, flags=None, ignore_permissions=False):
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if ignore_permissions:
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if not flags: flags = {}
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flags["ignore_permissions"] = ignore_permissions
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if flags:
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doc.flags.update(flags)
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def check_permission_and_not_submitted(doc):
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# permission
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if (not doc.flags.ignore_permissions
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and frappe.session.user!="Administrator"
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and (
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not doc.has_permission("delete")
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or (doc.doctype=="DocType" and not doc.custom))):
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frappe.msgprint(_("User not allowed to delete {0}: {1}")
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.format(doc.doctype, doc.name), raise_exception=frappe.PermissionError)
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# check if submitted
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if doc.docstatus == 1:
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frappe.msgprint(_("{0} {1}: Submitted Record cannot be deleted.").format(_(doc.doctype), doc.name),
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raise_exception=True)
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def check_if_doc_is_linked(doc, method="Delete"):
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"""
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Raises excption if the given doc(dt, dn) is linked in another record.
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"""
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from frappe.model.rename_doc import get_link_fields
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link_fields = get_link_fields(doc.doctype)
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link_fields = [[lf['parent'], lf['fieldname'], lf['issingle']] for lf in link_fields]
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for link_dt, link_field, issingle in link_fields:
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if not issingle:
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for item in frappe.db.get_values(link_dt, {link_field:doc.name},
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["name", "parent", "parenttype", "docstatus"], as_dict=True):
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linked_doctype = item.parenttype if item.parent else link_dt
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if linked_doctype in ("Communication", "ToDo", "DocShare", "Email Unsubscribe", 'File', 'Version', "Activity Log", 'Comment'):
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# don't check for communication and todo!
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continue
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if not item:
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continue
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elif (method != "Delete" or item.docstatus == 2) and (method != "Cancel" or item.docstatus != 1):
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# don't raise exception if not
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# linked to a non-cancelled doc when deleting or to a submitted doc when cancelling
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continue
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elif link_dt == doc.doctype and (item.parent or item.name) == doc.name:
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# don't raise exception if not
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# linked to same item or doc having same name as the item
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continue
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else:
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reference_docname = item.parent or item.name
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raise_link_exists_exception(doc, linked_doctype, reference_docname)
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else:
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if frappe.db.get_value(link_dt, None, link_field) == doc.name:
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raise_link_exists_exception(doc, link_dt, link_dt)
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def check_if_doc_is_dynamically_linked(doc, method="Delete"):
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'''Raise `frappe.LinkExistsError` if the document is dynamically linked'''
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for df in get_dynamic_link_map().get(doc.doctype, []):
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if df.parent in ("Communication", "ToDo", "DocShare", "Email Unsubscribe", "Activity Log", 'File', 'Version', 'View Log', 'Comment'):
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# don't check for communication and todo!
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continue
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meta = frappe.get_meta(df.parent)
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if meta.issingle:
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# dynamic link in single doc
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refdoc = frappe.db.get_singles_dict(df.parent)
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if (refdoc.get(df.options)==doc.doctype
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and refdoc.get(df.fieldname)==doc.name
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and ((method=="Delete" and refdoc.docstatus < 2)
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or (method=="Cancel" and refdoc.docstatus==1))
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):
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# raise exception only if
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# linked to an non-cancelled doc when deleting
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# or linked to a submitted doc when cancelling
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raise_link_exists_exception(doc, df.parent, df.parent)
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else:
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# dynamic link in table
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df["table"] = ", `parent`, `parenttype`, `idx`" if meta.istable else ""
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for refdoc in frappe.db.sql("""select `name`, `docstatus` {table} from `tab{parent}` where
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{options}=%s and {fieldname}=%s""".format(**df), (doc.doctype, doc.name), as_dict=True):
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if ((method=="Delete" and refdoc.docstatus < 2) or (method=="Cancel" and refdoc.docstatus==1)):
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# raise exception only if
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# linked to an non-cancelled doc when deleting
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# or linked to a submitted doc when cancelling
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reference_doctype = refdoc.parenttype if meta.istable else df.parent
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reference_docname = refdoc.parent if meta.istable else refdoc.name
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at_position = "at Row: {0}".format(refdoc.idx) if meta.istable else ""
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raise_link_exists_exception(doc, reference_doctype, reference_docname, at_position)
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def raise_link_exists_exception(doc, reference_doctype, reference_docname, row=''):
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doc_link = '<a href="#Form/{0}/{1}">{1}</a>'.format(doc.doctype, doc.name)
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reference_link = '<a href="#Form/{0}/{1}">{1}</a>'.format(reference_doctype, reference_docname)
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#hack to display Single doctype only once in message
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if reference_doctype == reference_docname:
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reference_doctype = ''
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frappe.throw(_('Cannot delete or cancel because {0} {1} is linked with {2} {3} {4}')
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.format(doc.doctype, doc_link, reference_doctype, reference_link, row), frappe.LinkExistsError)
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def delete_dynamic_links(doctype, name):
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delete_references('ToDo', doctype, name, 'reference_type')
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delete_references('Email Unsubscribe', doctype, name)
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delete_references('DocShare', doctype, name, 'share_doctype', 'share_name')
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delete_references('Version', doctype, name, 'ref_doctype', 'docname')
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delete_references('Comment', doctype, name)
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delete_references('View Log', doctype, name)
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# unlink communications
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clear_references('Communication', doctype, name)
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clear_references('Communication', doctype, name, 'link_doctype', 'link_name')
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clear_references('Communication', doctype, name, 'timeline_doctype', 'timeline_name')
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clear_references('Activity Log', doctype, name)
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clear_references('Activity Log', doctype, name, 'timeline_doctype', 'timeline_name')
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def delete_references(doctype, reference_doctype, reference_name,
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reference_doctype_field = 'reference_doctype', reference_name_field = 'reference_name'):
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frappe.db.sql('''delete from `tab{0}`
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where {1}=%s and {2}=%s'''.format(doctype, reference_doctype_field, reference_name_field),
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(reference_doctype, reference_name)) # nosec
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def clear_references(doctype, reference_doctype, reference_name,
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reference_doctype_field = 'reference_doctype', reference_name_field = 'reference_name'):
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frappe.db.sql('''update
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`tab{0}`
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set
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{1}=NULL, {2}=NULL
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where
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{1}=%s and {2}=%s'''.format(doctype, reference_doctype_field, reference_name_field),
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(reference_doctype, reference_name)) # nosec
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def insert_feed(doc):
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from frappe.utils import get_fullname
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if frappe.flags.in_install or frappe.flags.in_import or getattr(doc, "no_feed_on_delete", False):
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return
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frappe.get_doc({
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"doctype": "Comment",
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"comment_type": "Deleted",
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"reference_doctype": doc.doctype,
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"subject": "{0} {1}".format(_(doc.doctype), doc.name),
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"full_name": get_fullname(doc.owner)
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}).insert(ignore_permissions=True)
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