1 # Copyright (C) The Arvados Authors. All rights reserved.
3 # SPDX-License-Identifier: AGPL-3.0
5 require 'can_be_an_owner'
8 class Group < ArvadosModel
11 include CommonApiTemplate
15 # Posgresql JSONB columns should NOT be declared as serialized, Rails 5
16 # already know how to properly treat them.
17 attribute :properties, :jsonbHash, default: {}
19 validate :ensure_filesystem_compatible_name
20 before_create :assign_name
21 after_create :after_ownership_change
22 after_create :update_trash
24 before_update :before_ownership_change
25 after_update :after_ownership_change
27 after_update :update_trash
28 before_destroy :clear_permissions_and_trash
30 api_accessible :user, extend: :common do |t|
41 def ensure_filesystem_compatible_name
42 # project groups need filesystem-compatible names, but others
44 super if group_class == 'project'
48 if trash_at_changed? or owner_uuid_changed?
49 # The group was added or removed from the trash.
52 # Compute project subtree, propagating trash_at to subprojects
53 # Remove groups that don't belong from trash
54 # Add/update groups that do belong in the trash
56 temptable = "group_subtree_#{rand(2**64).to_s(10)}"
57 ActiveRecord::Base.connection.exec_query %{
58 create temporary table #{temptable} on commit drop
59 as select * from project_subtree_with_trash_at($1, LEAST($2, $3)::timestamp)
61 'Group.update_trash.select',
63 [nil, TrashedGroup.find_by_group_uuid(self.owner_uuid).andand.trash_at],
66 ActiveRecord::Base.connection.exec_delete %{
67 delete from trashed_groups where group_uuid in (select target_uuid from #{temptable} where trash_at is NULL);
69 "Group.update_trash.delete"
71 ActiveRecord::Base.connection.exec_query %{
72 insert into trashed_groups (group_uuid, trash_at)
73 select target_uuid as group_uuid, trash_at from #{temptable} where trash_at is not NULL
74 on conflict (group_uuid) do update set trash_at=EXCLUDED.trash_at;
76 "Group.update_trash.insert"
80 def before_ownership_change
81 if owner_uuid_changed? and !self.owner_uuid_was.nil?
82 MaterializedPermission.where(user_uuid: owner_uuid_was, target_uuid: uuid).delete_all
83 update_permissions self.owner_uuid_was, self.uuid, 0
87 def after_ownership_change
88 if owner_uuid_changed?
89 update_permissions self.owner_uuid, self.uuid, 3
93 def clear_permissions_and_trash
94 MaterializedPermission.where(target_uuid: uuid).delete_all
95 ActiveRecord::Base.connection.exec_delete %{
96 delete from trashed_groups where group_uuid=$1
97 }, "Group.clear_permissions_and_trash", [[nil, self.uuid]]
102 if self.new_record? and (self.name.nil? or self.name.empty?)
103 self.name = self.uuid