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2.5 KiB

<?php
namespace p3k\XRay\Formats;
use HTMLPurifier, HTMLPurifier_Config;
use DOMDocument, DOMXPath;
use p3k\XRay\Formats;
class JSONFeed extends Format {
public static function matches_host($url) { return true; }
public static function matches($url) { return true; }
public static function parse($feed, $url) {
$result = [
'data' => [
'type' => 'unknown',
],
'url' => $url,
];
if($feed) {
$result['data']['type'] = 'feed';
foreach($feed['items'] as $item) {
$result['data']['items'][] = self::_hEntryFromFeedItem($item, $feed);
}
}
return $result;
}
private static function _hEntryFromFeedItem($item, $feed) {
$entry = [
'type' => 'entry',
'author' => [
'name' => null,
'url' => null,
'photo' => null
]
];
if(isset($item['author']['name'])) {
$entry['author']['name'] = $item['author']['name'];
}
if(isset($item['author']['url'])) {
$entry['author']['url'] = $item['author']['url'];
} elseif(isset($feed['home_page_url'])) {
$entry['author']['url'] = $feed['home_page_url'];
}
if(isset($item['author']['avatar'])) {
$entry['author']['photo'] = $item['author']['avatar'];
}
if(isset($item['url'])) {
$entry['url'] = $item['url'];
}
if(isset($item['id'])) {
$entry['uid'] = $item['id'];
}
if(isset($item['title']) && trim($item['title'])) {
$entry['name'] = trim($item['title']);
}
if(isset($item['content_html']) && isset($item['content_text'])) {
$entry['content'] = [
'html' => self::sanitizeHTML($item['content_html']),
'text' => trim($item['content_text'])
];
} elseif(isset($item['content_html'])) {
$entry['content'] = [
'html' => self::sanitizeHTML($item['content_html']),
'text' => self::stripHTML($item['content_html'])
];
} elseif(isset($item['content_text'])) {
$entry['content'] = [
'text' => trim($item['content_text'])
];
}
if(isset($item['summary'])) {
$entry['summary'] = $item['summary'];
}
if(isset($item['date_published'])) {
$entry['published'] = $item['date_published'];
}
if(isset($item['date_modified'])) {
$entry['updated'] = $item['date_modified'];
}
if(isset($item['image'])) {
$entry['photo'] = $item['image'];
}
if(isset($item['tags'])) {
$entry['category'] = $item['tags'];
}
return $entry;
}
}