Elgg  Version 3.0
20171106100916_add_acl_subtype.php
Go to the documentation of this file.
1 <?php
2 
5 
6 class AddAclSubtype extends AbstractMigration {
28  public function change() {
29  $table = $this->table('access_collections');
30  $prefix = $this->getAdapter()->getOption('table_prefix');
31 
32  if (!$table->hasColumn('subtype')) {
33  $table->addColumn('subtype', 'string', [
34  'null' => true,
35  'limit' => MysqlAdapter::TEXT_SMALL,
36  ]);
37 
38  $table->save();
39  }
40 
41  // add friends collection subtype to user owned acls
42  // this was the assumed usage of user owned acls
43  $this->query("
44  UPDATE {$prefix}{$table->getName()} acl
45  INNER JOIN {$prefix}entities e ON acl.owner_guid = e.guid
46  SET acl.subtype = 'friends_collection'
47  WHERE e.type = 'user'
48  ");
49 
50  // add group_acl subtype to group owned acls as tracked in group_acl metadata
51  $this->query("
52  UPDATE {$prefix}{$table->getName()} acl
53  INNER JOIN {$prefix}metadata md ON acl.owner_guid = md.entity_guid
54  INNER JOIN {$prefix}entities e ON md.entity_guid = e.guid
55  SET acl.subtype = 'group_acl'
56  WHERE md.name = 'group_acl'
57  AND md.value = acl.id
58  AND e.type = 'group'
59  ");
60 
61  // remove the migrated group_acl metadata
62  $this->query("
63  DELETE md FROM {$prefix}metadata md
64  INNER JOIN {$prefix}entities e ON md.entity_guid = e.guid
65  INNER JOIN {$prefix}{$table->getName()} acl ON md.value = acl.id
66  WHERE md.name = 'group_acl'
67  AND e.type = 'group'
68  ");
69  }
70 }
$table
Definition: cron.php:57