289 lines
10 KiB
Python
289 lines
10 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.utils.file_manager 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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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):
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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, basestring):
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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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return
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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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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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)).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%s` where name=%s" % (frappe.db.escape(doctype), "%s"), (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 frappe.db.sql_list("""select options from `tab{}` where fieldtype='Table'
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and parent=%s""".format(field_doctype), doctype)
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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'):
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# don't check for communication and todo!
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continue
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if item and ((item.parent or item.name) != doc.name) \
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and ((method=="Delete" and item.docstatus<2) or (method=="Cancel" and item.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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frappe.throw(_('Cannot delete or cancel because {0} <a href="#Form/{0}/{1}">{1}</a> is linked with {2} <a href="#Form/{2}/{3}">{3}</a>')
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.format(doc.doctype, doc.name, linked_doctype,
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item.parent or item.name), frappe.LinkExistsError)
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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", 'File', 'Version'):
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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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frappe.throw(_('Cannot delete or cancel because {0} <a href="#Form/{0}/{1}">{1}</a> is linked with {2} <a href="#Form/{2}/{3}">{3}</a>').format(doc.doctype,
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doc.name, df.parent, ""), frappe.LinkExistsError)
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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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frappe.throw(_('Cannot delete or cancel because {0} <a href="#Form/{0}/{1}">{1}</a> is linked with {2} <a href="#Form/{2}/{3}">{3}</a> {4}')\
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.format(doc.doctype, doc.name, refdoc.parenttype if meta.istable else df.parent,
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refdoc.parent if meta.istable else refdoc.name,"Row: {0}".format(refdoc.idx) if meta.istable else ""), frappe.LinkExistsError)
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def delete_dynamic_links(doctype, name):
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delete_doc("ToDo", frappe.db.sql_list("""select name from `tabToDo`
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where reference_type=%s and reference_name=%s""", (doctype, name)),
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ignore_permissions=True, force=True)
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frappe.db.sql('''delete from `tabEmail Unsubscribe`
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where reference_doctype=%s and reference_name=%s''', (doctype, name))
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# delete comments
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frappe.db.sql("""delete from `tabCommunication`
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where
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communication_type = 'Comment'
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and reference_doctype=%s and reference_name=%s""", (doctype, name))
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# unlink communications
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frappe.db.sql("""update `tabCommunication`
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set reference_doctype=null, reference_name=null
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where
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communication_type = 'Communication'
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and reference_doctype=%s
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and reference_name=%s""", (doctype, name))
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# unlink secondary references
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frappe.db.sql("""update `tabCommunication`
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set link_doctype=null, link_name=null
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where link_doctype=%s and link_name=%s""", (doctype, name))
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# unlink feed
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frappe.db.sql("""update `tabCommunication`
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set timeline_doctype=null, timeline_name=null
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where timeline_doctype=%s and timeline_name=%s""", (doctype, name))
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# delete shares
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delete_doc("DocShare", frappe.db.sql_list("""select name from `tabDocShare`
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where share_doctype=%s and share_name=%s""", (doctype, name)),
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ignore_on_trash=True, force=True)
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# delete versions
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frappe.db.sql('delete from tabVersion where ref_doctype=%s and docname=%s', (doctype, name))
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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": "Communication",
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"communication_type": "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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