classes/feeditem/rss.php

   1 <?php
   2 class FeedItem_RSS {
   3         private $elem;
   4         private $xpath;
   5
   6         function __construct($elem, $doc, $xpath) {
   7                 $this->elem = $elem;
   8                 $this->xpath = $xpath;
   9         }
  10
  11         function get_id() {
  12                 $id = $this->elem->getElementsByTagName("guid")->item(0);
  13
  14                 if ($id) {
  15                         return $id->nodeValue;
  16                 } else {
  17                         return $this->get_link();
  18                 }
  19         }
  20
  21         function get_date() {
  22                 $pubDate = $this->elem->getElementsByTagName("pubDate")->item(0);
  23
  24                 if ($pubDate) {
  25                         return strtotime($pubDate->nodeValue);
  26                 }
  27         }
  28
  29         function get_link() {
  30                 $link = $this->elem->getElementsByTagName("link")->item(0);
  31
  32                 if ($link) {
  33                         return $link->nodeValue;
  34                 }
  35         }
  36
  37         function get_title() {
  38                 $title = $this->elem->getElementsByTagName("title")->item(0);
  39
  40                 if ($title) {
  41                         return $title->nodeValue;
  42                 }
  43         }
  44
  45         function get_content() {
  46                 $content = $this->elem->getElementsByTagName("description")->item(0);
  47
  48                 if ($content) {
  49                         return $content->nodeValue;
  50                 }
  51         }
  52
  53         function get_description() {
  54                 $summary = $this->elem->getElementsByTagName("description")->item(0);
  55
  56                 if ($summary) {
  57                         return $summary->nodeValue;
  58                 }
  59         }
  60
  61         // todo
  62         function get_comments_url() {
  63
  64         }
  65
  66         function get_comments_count() {
  67                 $comments = $this->xpath->query("slash:comments", $this->elem)->item(0);
  68
  69                 if ($comments) {
  70                         return $comments->nodeValue;
  71                 }
  72         }
  73
  74         function get_categories() {
  75                 $categories = $this->elem->getElementsByTagName("category");
  76                 $cats = array();
  77
  78                 foreach ($categories as $cat) {
  79                         array_push($cats, $cat->nodeValue);
  80                 }
  81
  82                 $categories = $this->xpath->query("dc:subject", $this->elem);
  83
  84                 foreach ($categories as $cat) {
  85                         array_push($cats, $cat->nodeValue);
  86                 }
  87
  88                 return $cats;
  89         }
  90
  91         function get_enclosures() {
  92                 $enclosures = $this->elem->getElementsByTagName("enclosure");
  93
  94                 $encs = array();
  95
  96                 foreach ($enclosures as $enclosure) {
  97                         $enc = new FeedEnclosure();
  98
  99                         $enc->type = $enclosure->getAttribute("type");
 100                         $enc->link = $enclosure->getAttribute("url");
 101                         $enc->length = $enclosure->getAttribute("length");
 102
 103                         array_push($encs, $enc);
 104                 }
 105
 106                 $enclosures = $this->xpath->query("media:content", $this->elem);
 107
 108                 foreach ($enclosures as $enclosure) {
 109                         $enc = new FeedEnclosure();
 110
 111                         $enc->type = $enclosure->getAttribute("type");
 112                         $enc->link = $enclosure->getAttribute("url");
 113                         $enc->length = $enclosure->getAttribute("length");
 114
 115                         array_push($encs, $enc);
 116                 }
 117
 118                 return $encs;
 119         }
 120
 121         function get_author() {
 122                 $author = $this->elem->getElementsByTagName("author")->item(0);
 123
 124                 if ($author) {
 125                         $name = $author->getElementsByTagName("name")->item(0);
 126
 127                         if ($name) return $name->nodeValue;
 128
 129                         $email = $author->getElementsByTagName("email")->item(0);
 130
 131                         if ($email) return $email->nodeValue;
 132
 133                 }
 134         }
 135 }
 136 ?>