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<?php
/**
* Joomla! Content Management System
*
* @copyright (C) 2012 Open Source Matters, Inc. <https://www.joomla.org>
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
namespace Joomla\CMS\Feed;
use Joomla\CMS\Date\Date;
// phpcs:disable PSR1.Files.SideEffects
\defined('JPATH_PLATFORM') or die;
// phpcs:enable PSR1.Files.SideEffects
/**
* Class to encapsulate a feed entry for the Joomla Platform.
*
* @property FeedPerson $author Person responsible for feed entry content.
* @property array $categories Categories to which the feed entry belongs.
* @property string $content The content of the feed entry.
* @property array $contributors People who contributed to the feed entry content.
* @property string $copyright Information about rights, e.g. copyrights, held in and over the feed entry.
* @property array $links Links associated with the feed entry.
* @property Date $publishedDate The publication date for the feed entry.
* @property Feed $source The feed from which the entry is sourced.
* @property string $title A human readable title for the feed entry.
* @property Date $updatedDate The last time the content of the feed entry changed.
* @property string $uri Universal, permanent identifier for the feed entry.
*
* @since 3.1.4
*/
class FeedEntry
{
/**
* @var array The entry properties.
* @since 3.1.4
*/
protected $properties = [
'uri' => '',
'title' => '',
'updatedDate' => '',
'content' => '',
'categories' => [],
'contributors' => [],
'links' => [],
];
/**
* Magic method to return values for feed entry properties.
*
* @param string $name The name of the property.
*
* @return mixed
*
* @since 3.1.4
*/
public function __get($name)
{
return $this->properties[$name] ?? null;
}
/**
* Magic method to set values for feed properties.
*
* @param string $name The name of the property.
* @param mixed $value The value to set for the property.
*
* @return void
*
* @since 3.1.4
*/
public function __set($name, $value)
{
// Ensure that setting a date always sets a Date instance.
if ((($name === 'updatedDate') || ($name === 'publishedDate')) && !($value instanceof Date)) {
$value = new Date($value);
}
// Validate that any authors that are set are instances of JFeedPerson or null.
if (($name === 'author') && (!($value instanceof FeedPerson) || ($value === null))) {
throw new \InvalidArgumentException(
sprintf(
'%1$s "author" must be an instance of Joomla\\CMS\\Feed\\FeedPerson. %2$s given.',
\get_class($this),
\gettype($value) === 'object' ? \get_class($value) : \gettype($value)
)
);
}
// Validate that any sources that are set are instances of JFeed or null.
if (($name === 'source') && (!($value instanceof Feed) || ($value === null))) {
throw new \InvalidArgumentException(
sprintf(
'%1$s "source" must be an instance of Joomla\\CMS\\Feed\\Feed. %2$s given.',
\get_class($this),
\gettype($value) === 'object' ? \get_class($value) : \gettype($value)
)
);
}
// Disallow setting categories, contributors, or links directly.
if (\in_array($name, ['categories', 'contributors', 'links'])) {
throw new \InvalidArgumentException(
sprintf(
'Cannot directly set %1$s property "%2$s".',
\get_class($this),
$name
)
);
}
$this->properties[$name] = $value;
}
/**
* Method to add a category to the feed entry object.
*
* @param string $name The name of the category to add.
* @param string $uri The optional URI for the category to add.
*
* @return FeedEntry
*
* @since 3.1.4
*/
public function addCategory($name, $uri = '')
{
$this->properties['categories'][$name] = $uri;
return $this;
}
/**
* Method to add a contributor to the feed entry object.
*
* @param string $name The full name of the person to add.
* @param string $email The email address of the person to add.
* @param string $uri The optional URI for the person to add.
* @param string $type The optional type of person to add.
*
* @return FeedEntry
*
* @since 3.1.4
*/
public function addContributor($name, $email, $uri = null, $type = null)
{
$contributor = new FeedPerson($name, $email, $uri, $type);
// If the new contributor already exists then there is nothing to do, so just return.
foreach ($this->properties['contributors'] as $c) {
if ($c == $contributor) {
return $this;
}
}
// Add the new contributor.
$this->properties['contributors'][] = $contributor;
return $this;
}
/**
* Method to add a link to the feed entry object.
*
* @param FeedLink $link The link object to add.
*
* @return FeedEntry
*
* @since 3.1.4
*/
public function addLink(FeedLink $link)
{
// If the new link already exists then there is nothing to do, so just return.
foreach ($this->properties['links'] as $l) {
if ($l == $link) {
return $this;
}
}
// Add the new link.
$this->properties['links'][] = $link;
return $this;
}
/**
* Method to remove a category from the feed entry object.
*
* @param string $name The name of the category to remove.
*
* @return FeedEntry
*
* @since 3.1.4
*/
public function removeCategory($name)
{
unset($this->properties['categories'][$name]);
return $this;
}
/**
* Method to remove a contributor from the feed entry object.
*
* @param FeedPerson $contributor The person object to remove.
*
* @return FeedEntry
*
* @since 3.1.4
*/
public function removeContributor(FeedPerson $contributor)
{
// If the contributor exists remove it.
foreach ($this->properties['contributors'] as $k => $c) {
if ($c == $contributor) {
unset($this->properties['contributors'][$k]);
$this->properties['contributors'] = array_values($this->properties['contributors']);
return $this;
}
}
return $this;
}
/**
* Method to remove a link from the feed entry object.
*
* @param FeedLink $link The link object to remove.
*
* @return FeedEntry
*
* @since 3.1.4
*/
public function removeLink(FeedLink $link)
{
// If the link exists remove it.
foreach ($this->properties['links'] as $k => $l) {
if ($l == $link) {
unset($this->properties['links'][$k]);
$this->properties['links'] = array_values($this->properties['links']);
return $this;
}
}
return $this;
}
/**
* Shortcut method to set the author for the feed entry object.
*
* @param string $name The full name of the person to set.
* @param string $email The email address of the person to set.
* @param string $uri The optional URI for the person to set.
* @param string $type The optional type of person to set.
*
* @return FeedEntry
*
* @since 3.1.4
*/
public function setAuthor($name, $email, $uri = null, $type = null)
{
$author = new FeedPerson($name, $email, $uri, $type);
$this->properties['author'] = $author;
return $this;
}
}