migrate.php
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<?php
class OC_Migration_Provider_Bookmarks extends OC_Migration_Provider{
// Create the xml for the user supplied
function export( ) {
$options = array(
'table'=>'bookmarks',
'matchcol'=>'user_id',
'matchval'=>$this->uid,
'idcol'=>'id'
);
$ids = $this->content->copyRows( $options );
$options = array(
'table'=>'bookmarks_tags',
'matchcol'=>'bookmark_id',
'matchval'=>$ids
);
// Export tags
$ids2 = $this->content->copyRows( $options );
// If both returned some ids then they worked
if( is_array( $ids ) && is_array( $ids2 ) ) {
return true;
} else {
return false;
}
}
// Import function for bookmarks
function import( ) {
switch( $this->appinfo->version ) {
default:
// All versions of the app have had the same db structure, so all can use the same import function
$query = $this->content->prepare( "SELECT * FROM bookmarks WHERE user_id = ?" );
$results = $query->execute( array( $this->olduid ) );
$idmap = array();
while( $row = $results->fetchRow() ) {
// Import each bookmark, saving its id into the map
$sql = "INSERT INTO `*PREFIX*bookmarks`
(`url`, `title`, `user_id`, `public`, `added`, `lastmodified`) VALUES (?, ?, ?, ?, ?, ?)" ;
$query = OCP\DB::prepare($sql);
$query->execute(array(
$row['url'], $row['title'], $this->uid, $row['public'],
$row['added'], $row['lastmodified']
) );
// Map the id
$idmap[$row['id']] = OCP\DB::insertid();
}
// Now tags
foreach($idmap as $oldid => $newid) {
$query = $this->content->prepare( "SELECT * FROM bookmarks_tags WHERE bookmark_id = ?" );
$results = $query->execute( array( $oldid ) );
while( $row = $results->fetchRow() ) {
// Import the tags for this bookmark, using the new bookmark id
$sql = "INSERT INTO `*PREFIX*bookmarks_tags`(`bookmark_id`, `tag`) VALUES (?, ?)";
$query = OCP\DB::prepare($sql);
$query->execute( array( $newid, $row['tag'] ) );
}
}
// All done!
break;
}
return true;
}
}
// Load the provider
new OC_Migration_Provider_Bookmarks( 'bookmarks' );