108 lines
3.7 KiB
Python
108 lines
3.7 KiB
Python
# Copyright (c) 2013, Web Notes 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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import frappe.defaults
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from frappe.utils.file_manager import remove_all
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from frappe import _
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def delete_doc(doctype=None, name=None, force=0, ignore_doctypes=None, for_reload=False, ignore_permissions=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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if not doctype:
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frappe.msgprint(_('Nothing to delete'), raise_exception =1)
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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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if doctype=="DocType":
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if not for_reload:
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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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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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check_permission_and_not_submitted(doc, ignore_permissions)
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doc.run_method("on_trash")
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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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delete_from_table(doctype, name, ignore_doctypes, doc)
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# delete attachments
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remove_all(doctype, name)
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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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return 'okay'
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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" % (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") + get_table_fields("Custom Field")
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# delete from child tables
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for t in tables:
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if t not in ignore_doctypes:
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frappe.db.sql("delete from `tab%s` where parent = %s" % (t, '%s'), (name,))
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def check_permission_and_not_submitted(doc, ignore_permissions=False):
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# permission
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if not ignore_permissions and frappe.session.user!="Administrator" and not doc.has_permission("delete"):
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frappe.msgprint(_("User not allowed to delete."), raise_exception=True)
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# check if submitted
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if doc.docstatus == 1:
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frappe.msgprint(_("Submitted Record cannot be deleted")+": "+doc.name+"("+doc.doctype+")",
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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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item = frappe.db.get_value(link_dt, {link_field:doc.name},
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["name", "parent", "parenttype", "docstatus"], as_dict=True)
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if item and item.parent != doc.name and ((method=="Delete" and item.docstatus<2) or
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(method=="Cancel" and item.docstatus==1)):
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frappe.throw(_("Cannot delete or cancel because {0} {1} is linked with {2} {3}").format(doc.doctype,
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doc.name, item.parent or item.name, item.parenttype if item.parent else link_dt),
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frappe.LinkExistsError)
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