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split walking the tree from operating on it 

so walking it is reusable

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>
This commit is contained in:
Arthur Schiwon 2017-10-11 17:08:45 +02:00
parent fd6daf8d19
commit 8f0a9ae51f
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GPG Key ID: 7424F1874854DF23
1 changed files with 25 additions and 14 deletions
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39
lib/private/Comments/Manager.php
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@ -340,12 +340,12 @@ class Manager implements ICommentsManager {
public function getActorsInTree($id) {
$tree = $this->getTree($id);
$actors = [];
$this->extractActor($tree, $actors);
$this->walkTree($tree, $actors, [$this, 'extractActor']);
return $actors;
}
/**
* @param array $node
* @param IComment $comment
* @param array &$actors
*
* build an array that looks like:
@ -362,23 +362,34 @@ class Manager implements ICommentsManager {
* ]
*
*/
protected function extractActor(array $node, array &$actors) {
protected function extractActor(IComment $comment, &$actors) {
if(!isset($actors[$comment->getActorType()])) {
$actors[$comment->getActorType()] = [];
}
if(!isset($actors[$comment->getActorType()][$comment->getActorId()])) {
$actors[$comment->getActorType()][$comment->getActorId()] = 1;
} else {
$actors[$comment->getActorType()][$comment->getActorId()] += 1;
}
}
/**
* walks through a comment tree (as returned by getTree() and invokes a callback
* with the current IComment instance (and optionally custom parameters)
*
* @param array $node
* @param array &$results
* @param callable $callback
* @param array|null $parameters
*/
protected function walkTree($node, array &$results, callable $callback, array $parameters = null) {
if(isset($node['replies'])) {
foreach ($node['replies'] as $subNode) {
$this->extractActor($subNode, $actors);
$this->walkTree($subNode, $results, $callback, $parameters);
}
}
if(isset($node['comment']) && $node['comment'] instanceof IComment) {
/** @var IComment $comment */
$comment = $node['comment'];
if(!isset($actors[$comment->getActorType()])) {
$actors[$comment->getActorType()] = [];
}
if(!isset($actors[$comment->getActorType()][$comment->getActorId()])) {
$actors[$comment->getActorType()][$comment->getActorId()] = 1;
} else {
$actors[$comment->getActorType()][$comment->getActorId()] += 1;
}
$callback($node['comment'], $results, $parameters);
}
}