334 lines
11 KiB
Python
334 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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from frappe import _
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from frappe.utils import cint
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from frappe.model.naming import validate_name
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@frappe.whitelist()
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def rename_doc(doctype, old, new, force=False, merge=False, ignore_permissions=False):
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"""
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Renames a doc(dt, old) to doc(dt, new) and
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updates all linked fields of type "Link"
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"""
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if not frappe.db.exists(doctype, old):
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return
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force = cint(force)
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merge = cint(merge)
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meta = frappe.get_meta(doctype)
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# call before_rename
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old_doc = frappe.get_doc(doctype, old)
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out = old_doc.run_method("before_rename", old, new, merge) or {}
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new = (out.get("new") or new) if isinstance(out, dict) else (out or new)
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if doctype != "DocType":
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new = validate_rename(doctype, new, meta, merge, force, ignore_permissions)
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if not merge:
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rename_parent_and_child(doctype, old, new, meta)
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# update link fields' values
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link_fields = get_link_fields(doctype)
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update_link_field_values(link_fields, old, new, doctype)
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rename_dynamic_links(doctype, old, new)
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if doctype=='DocType':
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rename_doctype(doctype, old, new, force)
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update_comments(doctype, old, new, force)
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update_attachments(doctype, old, new)
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if merge:
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frappe.delete_doc(doctype, old)
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# call after_rename
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new_doc = frappe.get_doc(doctype, new)
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# copy any flags if required
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new_doc._local = getattr(old_doc, "_local", None)
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new_doc.run_method("after_rename", old, new, merge)
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rename_versions(doctype, old, new)
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# update user_permissions
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frappe.db.sql("""update tabDefaultValue set defvalue=%s where parenttype='User Permission'
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and defkey=%s and defvalue=%s""", (new, doctype, old))
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frappe.clear_cache()
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return new
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def update_attachments(doctype, old, new):
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try:
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frappe.db.sql("""update `tabFile Data` set attached_to_name=%s
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where attached_to_name=%s and attached_to_doctype=%s""", (new, old, doctype))
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except Exception, e:
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if e.args[0]!=1054: # in patch?
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raise
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def rename_versions(doctype, old, new):
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frappe.db.sql("""update tabVersion set docname=%s where ref_doctype=%s and docname=%s""",
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(new, doctype, old))
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def rename_parent_and_child(doctype, old, new, meta):
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# rename the doc
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frappe.db.sql("update `tab%s` set name=%s where name=%s" % (doctype, '%s', '%s'),
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(new, old))
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update_child_docs(old, new, meta)
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def validate_rename(doctype, new, meta, merge, force, ignore_permissions):
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# using for update so that it gets locked and someone else cannot edit it while this rename is going on!
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exists = frappe.db.sql("select name from `tab{doctype}` where name=%s for update".format(doctype=doctype), new)
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exists = exists[0][0] if exists else None
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if merge and not exists:
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frappe.msgprint(_("{0} {1} does not exist, select a new target to merge").format(doctype, new), raise_exception=1)
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if (not merge) and exists == new:
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frappe.msgprint(_("Another {0} with name {1} exists, select another name").format(doctype, new), raise_exception=1)
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if not (ignore_permissions or frappe.has_permission(doctype, "write")):
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frappe.msgprint(_("You need write permission to rename"), raise_exception=1)
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if not force and not meta.allow_rename:
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frappe.msgprint(_("{0} not allowed to be renamed").format(_(doctype)), raise_exception=1)
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# validate naming like it's done in doc.py
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new = validate_name(doctype, new, merge=merge)
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return new
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def rename_doctype(doctype, old, new, force=False):
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# change options for fieldtype Table
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update_options_for_fieldtype("Table", old, new)
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update_options_for_fieldtype("Link", old, new)
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# change options where select options are hardcoded i.e. listed
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select_fields = get_select_fields(old, new)
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update_link_field_values(select_fields, old, new, doctype)
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update_select_field_values(old, new)
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# change parenttype for fieldtype Table
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update_parenttype_values(old, new)
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# rename comments
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frappe.db.sql("""update tabComment set comment_doctype=%s where comment_doctype=%s""",
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(new, old))
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def update_comments(doctype, old, new, force=False):
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frappe.db.sql("""update `tabComment` set comment_docname=%s
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where comment_doctype=%s and comment_docname=%s""", (new, doctype, old))
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def update_child_docs(old, new, meta):
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# update "parent"
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for df in meta.get_table_fields():
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frappe.db.sql("update `tab%s` set parent=%s where parent=%s" \
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% (df.options, '%s', '%s'), (new, old))
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def update_link_field_values(link_fields, old, new, doctype):
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for field in link_fields:
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if field['issingle']:
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frappe.db.sql("""\
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update `tabSingles` set value=%s
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where doctype=%s and field=%s and value=%s""",
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(new, field['parent'], field['fieldname'], old))
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else:
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# because the table hasn't been renamed yet!
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parent = field['parent'] if field['parent']!=new else old
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frappe.db.sql("""\
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update `tab%s` set `%s`=%s
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where `%s`=%s""" \
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% (parent, field['fieldname'], '%s',
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field['fieldname'], '%s'),
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(new, old))
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def get_link_fields(doctype):
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# get link fields from tabDocField
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link_fields = frappe.db.sql("""\
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select parent, fieldname,
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(select ifnull(issingle, 0) from tabDocType dt
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where dt.name = df.parent) as issingle
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from tabDocField df
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where
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df.options=%s and df.fieldtype='Link'""", (doctype,), as_dict=1)
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# get link fields from tabCustom Field
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custom_link_fields = frappe.db.sql("""\
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select dt as parent, fieldname,
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(select ifnull(issingle, 0) from tabDocType dt
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where dt.name = df.dt) as issingle
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from `tabCustom Field` df
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where
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df.options=%s and df.fieldtype='Link'""", (doctype,), as_dict=1)
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# add custom link fields list to link fields list
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link_fields += custom_link_fields
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# remove fields whose options have been changed using property setter
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property_setter_link_fields = frappe.db.sql("""\
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select ps.doc_type as parent, ps.field_name as fieldname,
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(select ifnull(issingle, 0) from tabDocType dt
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where dt.name = ps.doc_type) as issingle
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from `tabProperty Setter` ps
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where
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ps.property_type='options' and
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ps.field_name is not null and
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ps.value=%s""", (doctype,), as_dict=1)
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link_fields += property_setter_link_fields
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return link_fields
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def update_options_for_fieldtype(fieldtype, old, new):
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if frappe.conf.developer_mode:
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for name in frappe.db.sql_list("""select parent from
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tabDocField where options=%s""", old):
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doctype = frappe.get_doc("DocType", name)
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save = False
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for f in doctype.fields:
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if f.options == old:
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f.options = new
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save = True
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if save:
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doctype.save()
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else:
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frappe.db.sql("""update `tabDocField` set options=%s
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where fieldtype=%s and options=%s""", (new, fieldtype, old))
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frappe.db.sql("""update `tabCustom Field` set options=%s
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where fieldtype=%s and options=%s""", (new, fieldtype, old))
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frappe.db.sql("""update `tabProperty Setter` set value=%s
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where property='options' and value=%s""", (new, old))
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def get_select_fields(old, new):
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"""
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get select type fields where doctype's name is hardcoded as
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new line separated list
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"""
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# get link fields from tabDocField
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select_fields = frappe.db.sql("""\
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select parent, fieldname,
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(select ifnull(issingle, 0) from tabDocType dt
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where dt.name = df.parent) as issingle
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from tabDocField df
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where
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df.parent != %s and df.fieldtype = 'Select' and
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df.options like "%%%%%s%%%%" """ \
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% ('%s', old), (new,), as_dict=1)
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# get link fields from tabCustom Field
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custom_select_fields = frappe.db.sql("""\
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select dt as parent, fieldname,
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(select ifnull(issingle, 0) from tabDocType dt
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where dt.name = df.dt) as issingle
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from `tabCustom Field` df
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where
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df.dt != %s and df.fieldtype = 'Select' and
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df.options like "%%%%%s%%%%" """ \
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% ('%s', old), (new,), as_dict=1)
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# add custom link fields list to link fields list
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select_fields += custom_select_fields
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# remove fields whose options have been changed using property setter
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property_setter_select_fields = frappe.db.sql("""\
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select ps.doc_type as parent, ps.field_name as fieldname,
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(select ifnull(issingle, 0) from tabDocType dt
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where dt.name = ps.doc_type) as issingle
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from `tabProperty Setter` ps
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where
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ps.doc_type != %s and
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ps.property_type='options' and
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ps.field_name is not null and
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ps.value like "%%%%%s%%%%" """ \
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% ('%s', old), (new,), as_dict=1)
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select_fields += property_setter_select_fields
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return select_fields
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def update_select_field_values(old, new):
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frappe.db.sql("""\
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update `tabDocField` set options=replace(options, %s, %s)
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where
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parent != %s and fieldtype = 'Select' and
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(options like "%%%%\\n%s%%%%" or options like "%%%%%s\\n%%%%")""" % \
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('%s', '%s', '%s', old, old), (old, new, new))
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frappe.db.sql("""\
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update `tabCustom Field` set options=replace(options, %s, %s)
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where
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dt != %s and fieldtype = 'Select' and
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(options like "%%%%\\n%s%%%%" or options like "%%%%%s\\n%%%%")""" % \
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('%s', '%s', '%s', old, old), (old, new, new))
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frappe.db.sql("""\
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update `tabProperty Setter` set value=replace(value, %s, %s)
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where
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doc_type != %s and field_name is not null and
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property='options' and
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(value like "%%%%\\n%s%%%%" or value like "%%%%%s\\n%%%%")""" % \
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('%s', '%s', '%s', old, old), (old, new, new))
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def update_parenttype_values(old, new):
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child_doctypes = frappe.db.sql("""\
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select options, fieldname from `tabDocField`
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where parent=%s and fieldtype='Table'""", (new,), as_dict=1)
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custom_child_doctypes = frappe.db.sql("""\
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select options, fieldname from `tabCustom Field`
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where dt=%s and fieldtype='Table'""", (new,), as_dict=1)
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child_doctypes += custom_child_doctypes
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fields = [d['fieldname'] for d in child_doctypes]
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property_setter_child_doctypes = frappe.db.sql("""\
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select value as options from `tabProperty Setter`
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where doc_type=%s and property='options' and
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field_name in ("%s")""" % ('%s', '", "'.join(fields)),
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(new,))
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child_doctypes += property_setter_child_doctypes
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child_doctypes = (d['options'] for d in child_doctypes)
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for doctype in child_doctypes:
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frappe.db.sql("""\
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update `tab%s` set parenttype=%s
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where parenttype=%s""" % (doctype, '%s', '%s'),
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(new, old))
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dynamic_link_queries = [
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"""select parent, fieldname, options from tabDocField where fieldtype='Dynamic Link'""",
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"""select dt as parent, fieldname, options from `tabCustom Field` where fieldtype='Dynamic Link'""",
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]
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def rename_dynamic_links(doctype, old, new):
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for query in dynamic_link_queries:
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for df in frappe.db.sql(query, as_dict=True):
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# dynamic link in single, just one value to check
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if frappe.get_meta(df.parent).issingle:
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refdoc = frappe.db.get_singles_dict(df.parent)
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if refdoc.get(df.options)==doctype and refdoc.get(df.fieldname)==old:
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frappe.db.sql("""update tabSingles set value=%s where
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field=%s and value=%s and doctype=%s""", (new, df.fieldname, old, df.parent))
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else:
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# because the table hasn't been renamed yet!
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parent = df.parent if df.parent != new else old
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# replace for each value where renamed
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for to_change in frappe.db.sql_list("""select name from `tab{parent}` where
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{options}=%s and {fieldname}=%s""".format(parent=parent, options=df.options,
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fieldname=df.fieldname), (doctype, old)):
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frappe.db.sql("""update `tab{parent}` set {fieldname}=%s
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where name=%s""".format(**df), (new, to_change))
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