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https://github.com/silverstripe/silverstripe-framework
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84 lines
2.5 KiB
Markdown
84 lines
2.5 KiB
Markdown
# RSS Feed
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## Introduction
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Generating RSS/Atom-feeds is just a matter of rendering a `[api:DataObject]` and the Page Comment Interface.
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Handled through the `[api:RSSFeed]` class.
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`[api:RSSFeed]` doesn't limit you to generating "article-based" feeds, it is just as easy to create a feed of your current
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staff-members. The only logical limitation here is that every item in the RSS-feed should be accessible through a URL on
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your website, so its advisable to just create feeds from subclasses of `[api:SiteTree]`.
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## Usage
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### Showing latest Blog posts
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* The first part will add an appropriate link tag for autodetecting RSS feeds
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* The second part sets up /this-page/rss to return the RSS feed. This one returns the children of the current page.
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:::php
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function init() {
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RSSFeed::linkToFeed($this->Link() . "rss", "RSS feed of this blog");
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parent::init();
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}
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function rss() {
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$rss = new RSSFeed($this->Children(), $this->Link(), "My feed", "This is an example feed.", "Title", "Content", "Author");
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$rss->outputToBrowser();
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}
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### Example of showing the 10 most recently updated pages
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You can use `[api:RSSFeed]` to easily create a feed showing your latest Page updates. Just change mysite/code/Page.php to
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something like this:
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:::php
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<?php
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class Page extends SiteTree {
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static $db = array(
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);
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static $has_one = array(
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);
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}
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class Page_Controller extends ContentController {
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function init() {
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RSSFeed::linkToFeed($this->Link() . "rss", "10 Most Recently Updated Pages");
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parent::init();
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}
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function rss() {
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$rss = new RSSFeed($this->LatestUpdates(), $this->Link(), "10 Most Recently Updated Pages", "Shows a list of the 10 most recently updated pages.", "Title", "Content", "Author");
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$rss->outputToBrowser();
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}
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function LatestUpdates() {
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// 10 is the number of pages
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return DataObject::get("Page", "", "LastEdited DESC", "", 10);
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}
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}
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?>
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## Viewing Comment RSS Feeds
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You can view RSS feeds for comments for a certain page or for all comments on your site by visiting
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http://www.yoursite.com/PageComment/rss . That produces a RSS Feed of the most recent comments to all of your site. You
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can also do http://www.yoursite.com/PageComment/rss?pageid=46 where pageid is the id of the page you want to follow
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## External Sources
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`[api:RSSFeed]` only creates feeds from your own data. We've included the [SimplePie](http://simplepie.org) RSS-parser for
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accessing feeds from external sources.
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## Related
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* [blog module](http://silverstripe.org/blog-module)
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## API Documentation
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`[api:RSSFeed]` |