1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
<?php
namespace Providers;
require_once('XmlFeed.php');
require_once('Item.php');
class Rss extends \Providers\XmlFeed {
protected function _getFeedUrl($feed) {
$config = json_decode(file_get_contents('../config/rss.json'), TRUE);
if (isset($config[$feed])) {
return $config[$feed];
}
return NULL;
}
protected function _getCachePath() {
return '../cache/rss.%s';
}
protected function _parseFeedContent($feed) {
$feedItems = $feed->channel->item ?: $feed->entry;
$items = [];
foreach ($feedItems as $item) {
$items[] = $item->asXML();
}
return $items;
}
protected function _parseRssItem($contentString) {
$itemString = str_replace(['content:encoded>', '<yt:', '</yt:', '<dc:', '</dc:', '<media:', '</media:', '<wfw:', '</wfw:'], ['content>', '<', '</', '<', '</', '<', '</', '<', '</'], $contentString);
$item = new \SimpleXMLElement($itemString);
return $item;
}
protected function _getDescriptionLink($itemObj) {
$linkConfig = explode(':', $this->_options['descriptionlink']);
$linkDomain = NULL;
if (!is_numeric($linkConfig[0])) {
$linkDomain = array_shift($linkConfig);
if (!$linkConfig) {
$linkConfig = ['1'];
}
}
$linkIndex = intval($linkConfig[0]) - 1;
$textLinks = [];
if (preg_match_all('#(?:(?:https?|ftp):\/\/)?[\w/\-?=%.]+\.[\w/\-&?=%.]+#', $itemObj->Text, $textLinks)) {
$textLinks = $textLinks[0];
if ($linkDomain) {
$textLinks = array_values(array_filter($textLinks, function($link) use($linkDomain) {
if($linkParts = parse_url($link)) {
return $linkParts['host'] == $linkDomain;
}
}));
}
if (count($textLinks) > $linkIndex) {
return $textLinks[$linkIndex];
}
}
return $itemObj->Link;
}
protected function _mapRssItem($item) {
$itemObject = new Item();
$itemObject->ID = strval($item->id ?: $item->guid) ?: ltrim(parse_url(strval($item->link))['path'], '/');
$itemObject->Title = strval($item->title);
$itemObject->Time = strval($item->published ?: $item->pubDate ?: $item->updated);
$itemObject->Text = strval($item->summary ?: $item->description ?: $item->content ?: $item->group->description);
$itemObject->Link = strval(isset($item->link['href']) ? $item->link->attributes()['href'] : $item->link);
$itemObject->Author = strval($item->creator ? $item->creator : (is_string($item->author) ? $item->author : $item->author->name));
if (array_key_exists('descriptionlink', $this->_options)) {
$itemObject->Link = $this->_getDescriptionLink($itemObject);
}
return $itemObject;
}
protected function _mapItems($content) {
$items = [];
foreach ($content as $contentString) {
$item = $this->_parseRssItem($contentString);
$items[] = $this->_mapRssItem($item);
}
return $items;
}
public function title() {
$cacheFile = sprintf($this->_getCachePath() . '.title', $this->_feed);
if (!file_exists($cacheFile)) {
$this->_fetchItems();
}
if ($this->_feedXml) {
$title = strval($this->_feedXml->title ?: $this->_feedXml->channel->title);
file_put_contents($cacheFile, $title);
return $title;
} else {
return file_get_contents($cacheFile);
}
}
}
?>
|
