From 458f7f119416d380a63fe69e8a2d74b25234c468 Mon Sep 17 00:00:00 2001 From: Ganga Manoj Date: Mon, 9 Aug 2021 17:16:48 +0530 Subject: [PATCH] patch: delete all orphaned tables docs (#26743) --- erpnext/patches.txt | 1 + .../patches/v13_0/delete_orphaned_tables.py | 69 +++++++++++++++++++ 2 files changed, 70 insertions(+) create mode 100644 erpnext/patches/v13_0/delete_orphaned_tables.py diff --git a/erpnext/patches.txt b/erpnext/patches.txt index 04f05eda13..30486242c1 100644 --- a/erpnext/patches.txt +++ b/erpnext/patches.txt @@ -294,6 +294,7 @@ erpnext.patches.v13_0.update_level_in_bom #1234sswef erpnext.patches.v13_0.add_missing_fg_item_for_stock_entry erpnext.patches.v13_0.update_subscription_status_in_memberships erpnext.patches.v13_0.update_amt_in_work_order_required_items +erpnext.patches.v13_0.delete_orphaned_tables erpnext.patches.v13_0.update_export_type_for_gst erpnext.patches.v13_0.update_tds_check_field #3 erpnext.patches.v13_0.add_custom_field_for_south_africa diff --git a/erpnext/patches/v13_0/delete_orphaned_tables.py b/erpnext/patches/v13_0/delete_orphaned_tables.py new file mode 100644 index 0000000000..1d6eebe039 --- /dev/null +++ b/erpnext/patches/v13_0/delete_orphaned_tables.py @@ -0,0 +1,69 @@ +# Copyright (c) 2019, Frappe and Contributors +# License: GNU General Public License v3. See license.txt + +from __future__ import unicode_literals + +import frappe +from frappe.utils import getdate + +def execute(): + frappe.reload_doc('setup', 'doctype', 'transaction_deletion_record') + + if has_deleted_company_transactions(): + child_doctypes = get_child_doctypes_whose_parent_doctypes_were_affected() + + for doctype in child_doctypes: + docs = frappe.get_all(doctype, fields=['name', 'parent', 'parenttype', 'creation']) + + for doc in docs: + if not frappe.db.exists(doc['parenttype'], doc['parent']): + frappe.db.delete(doctype, {'name': doc['name']}) + + elif check_for_new_doc_with_same_name_as_deleted_parent(doc): + frappe.db.delete(doctype, {'name': doc['name']}) + +def has_deleted_company_transactions(): + return frappe.get_all('Transaction Deletion Record') + +def get_child_doctypes_whose_parent_doctypes_were_affected(): + parent_doctypes = get_affected_doctypes() + child_doctypes = frappe.get_all( + 'DocField', + filters={ + 'fieldtype': 'Table', + 'parent':['in', parent_doctypes] + }, pluck='options') + + return child_doctypes + +def get_affected_doctypes(): + affected_doctypes = [] + tdr_docs = frappe.get_all('Transaction Deletion Record', pluck="name") + + for tdr in tdr_docs: + tdr_doc = frappe.get_doc("Transaction Deletion Record", tdr) + + for doctype in tdr_doc.doctypes: + if is_not_child_table(doctype.doctype_name): + affected_doctypes.append(doctype.doctype_name) + + affected_doctypes = remove_duplicate_items(affected_doctypes) + return affected_doctypes + +def is_not_child_table(doctype): + return not bool(frappe.get_value('DocType', doctype, 'istable')) + +def remove_duplicate_items(affected_doctypes): + return list(set(affected_doctypes)) + +def check_for_new_doc_with_same_name_as_deleted_parent(doc): + """ + Compares creation times of parent and child docs. + Since Transaction Deletion Record resets the naming series after deletion, + it allows the creation of new docs with the same names as the deleted ones. + """ + + parent_creation_time = frappe.db.get_value(doc['parenttype'], doc['parent'], 'creation') + child_creation_time = doc['creation'] + + return getdate(parent_creation_time) > getdate(child_creation_time) \ No newline at end of file