* $a = $cf->run();
* print implode( ',' , $a );
* @endcode
+ *
+ * @deprecated since 1.31
*/
class CategoryFinder {
/** @var int[] The original article IDs passed to the seed function */
/** @var array Array of article/category IDs */
protected $next = [];
+ /** @var int Max layer depth **/
+ protected $maxdepth = -1;
+
/** @var array Array of DBKEY category names */
protected $targets = [];
* @param array $articleIds Array of article IDs
* @param array $categories FIXME
* @param string $mode FIXME, default 'AND'.
+ * @param int $maxdepth Maximum layer depth. Where:
+ * -1 means deep recursion (default);
+ * 0 means no-parents;
+ * 1 means one parent layer, etc.
* @todo FIXME: $categories/$mode
*/
- public function seed( $articleIds, $categories, $mode = 'AND' ) {
+ public function seed( $articleIds, $categories, $mode = 'AND', $maxdepth = -1 ) {
$this->articles = $articleIds;
$this->next = $articleIds;
$this->mode = $mode;
+ $this->maxdepth = $maxdepth;
# Set the list of target categories; convert them to DBKEY form first
$this->targets = [];
*/
public function run() {
$this->dbr = wfGetDB( DB_REPLICA );
- while ( count( $this->next ) > 0 ) {
+
+ $i = 0;
+ $dig = true;
+ while ( count( $this->next ) && $dig ) {
$this->scanNextLayer();
+
+ // Is there any depth limit?
+ if ( $this->maxdepth !== -1 ) {
+ $dig = $i < $this->maxdepth;
+ $i++;
+ }
}
# Now check if this applies to the individual articles
/* WHERE */ [ 'cl_from' => $this->next ],
__METHOD__ . '-1'
);
- foreach ( $res as $o ) {
- $k = $o->cl_to;
+ foreach ( $res as $row ) {
+ $k = $row->cl_to;
# Update parent tree
- if ( !isset( $this->parents[$o->cl_from] ) ) {
- $this->parents[$o->cl_from] = [];
+ if ( !isset( $this->parents[$row->cl_from] ) ) {
+ $this->parents[$row->cl_from] = [];
}
- $this->parents[$o->cl_from][$k] = $o;
+ $this->parents[$row->cl_from][$k] = $row;
# Ignore those we already have
if ( in_array( $k, $this->deadend ) ) {
/* WHERE */ [ 'page_namespace' => NS_CATEGORY, 'page_title' => $layer ],
__METHOD__ . '-2'
);
- foreach ( $res as $o ) {
- $id = $o->page_id;
- $name = $o->page_title;
+ foreach ( $res as $row ) {
+ $id = $row->page_id;
+ $name = $row->page_title;
$this->name2id[$name] = $id;
$this->next[] = $id;
unset( $layer[$name] );