80 lines
2.0 KiB
PHP
80 lines
2.0 KiB
PHP
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<?php
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class RSSFeed extends ViewableData {
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protected $entries;
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protected $title, $description, $link;
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protected $titleField, $descriptionField, $authorField;
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function __construct(DataObjectSet $entries, $link, $title, $description = null, $titleField = "Title", $descriptionField = "Content", $authorField = null) {
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$this->entries = $entries;
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$this->link = $link;
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$this->description = $description;
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$this->title = $title;
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$this->titleField = $titleField;
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$this->descriptionField = $descriptionField;
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$this->authorField = $authorField;
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}
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static function linkToFeed($url, $title = null) {
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$title = Convert::raw2xml($title);
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Requirements::insertHeadTags("<link rel=\"alternate\" type=\"application/rss+xml\" title=\"$title\" href=\"$url\" />");
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}
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function Entries() {
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$output = new DataObjectSet();
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foreach($this->entries as $entry) {
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$output->push(new RSSFeed_Entry($entry, $this->titleField, $this->descriptionField, $this->authorField));
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}
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return $output;
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}
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function Title() {
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return $this->title;
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}
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function Link() {
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return Director::absoluteURL($this->link);
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}
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function Description() {
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return $this->description;
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}
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function outputToBrowser() {
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header("Content-type: text/xml");
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echo str_replace(' ', ' ', $this->renderWith('RSSFeed'));
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}
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}
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class RSSFeed_Entry extends ViewableData {
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protected $titleField, $descriptionField, $authorField;
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/**
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* Create a new RSSFeed entry.
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*/
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function __construct($entry, $titleField, $descriptionField, $authorField) {
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$this->failover = $entry;
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$this->titleField = $titleField;
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$this->descriptionField = $descriptionField;
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$this->authorField = $authorField;
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}
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function Title() {
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if($this->titleField)
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return $this->failover->obj($this->titleField);
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}
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function Description() {
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if($this->descriptionField)
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return $this->failover->obj($this->descriptionField);
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}
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function Author() {
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if($this->authorField)
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return $this->failover->obj($this->authorField);
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}
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function AbsoluteLink() {
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return $this->failover->AbsoluteLink();
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}
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}
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?>
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