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[FeedExpander] Add optional parameter to specify max items

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Allows caller of collectExpandableDatas to request a limited
amount of items
This commit is contained in:
logmanoriginal 2016-09-05 20:17:00 +02:00
parent 179e73fb80
commit f1fb527607
1 changed files with 10 additions and 7 deletions
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17
lib/FeedExpander.php
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@ -6,7 +6,7 @@ abstract class FeedExpander extends HttpCachingBridgeAbstract {
private $uri;
private $description;
public function collectExpandableDatas($url){
public function collectExpandableDatas($url, $maxItems = -1){
if(empty($url)){
$this->returnServerError('There is no $url for this RSS expander');
}
@ -25,43 +25,46 @@ abstract class FeedExpander extends HttpCachingBridgeAbstract {
$this->debugMessage('Detected RSS format');
if(isset($rssContent->item[0])){
$this->debugMessage('Detected RSS 1.0 format');
$this->collect_RSS_1_0_data($rssContent);
$this->collect_RSS_1_0_data($rssContent, $maxItems);
} else {
$this->debugMessage('Detected RSS 0.9x or 2.0 format');
$this->collect_RSS_2_0_data($rssContent);
$this->collect_RSS_2_0_data($rssContent, $maxItems);
}
} elseif(isset($rssContent->entry[0])){
$this->debugMessage('Detected ATOM format');
$this->collect_ATOM_data($rssContent);
$this->collect_ATOM_data($rssContent, $maxItems);
} else {
$this->debugMessage('Unknown feed format/version');
$this->returnServerError('The feed format is unknown!');
}
}
protected function collect_RSS_1_0_data($rssContent){
protected function collect_RSS_1_0_data($rssContent, $maxItems){
$this->load_RSS_2_0_feed_data($rssContent->channel[0]);
foreach($rssContent->item as $item){
$this->debugMessage('parsing item ' . var_export($item, true));
$this->items[] = $this->parseItem($item);
if($maxItems !== -1 && count($this->items) >= $maxItems) break;
}
}
protected function collect_RSS_2_0_data($rssContent){
protected function collect_RSS_2_0_data($rssContent, $maxItems){
$rssContent = $rssContent->channel[0];
$this->debugMessage('RSS content is ===========\n' . var_export($rssContent, true) . '===========');
$this->load_RSS_2_0_feed_data($rssContent);
foreach($rssContent->item as $item){
$this->debugMessage('parsing item ' . var_export($item, true));
$this->items[] = $this->parseItem($item);
if($maxItems !== -1 && count($this->items) >= $maxItems) break;
}
}
protected function collect_ATOM_data($content){
protected function collect_ATOM_data($content, $maxItems){
$this->load_ATOM_feed_data($content);
foreach($content->entry as $item){
$this->debugMessage('parsing item ' . var_export($item, true));
$this->items[] = $this->parseItem($item);
if($maxItems !== -1 && count($this->items) >= $maxItems) break;
}
}