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Code Issues Releases Wiki Activity

* move get_article_image to Article; implement better og:image detection (similar to android app)

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* pass article image to API clients in headlines row object
This commit is contained in:
Andrew Dolgov
2019-08-14 16:55:38 +03:00
parent 26dbe02968
commit 68e2b05f65
3 changed files with 47 additions and 33 deletions
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40
classes/article.php
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@@ -823,4 +823,44 @@ class Article extends Handler_Protected {
return true;
}
static function get_article_image($enclosures, $content, $site_url) {
$article_image = false;
$tmpdoc = new DOMDocument();
if (@$tmpdoc->loadHTML('<?xml encoding="UTF-8">' . mb_substr($content, 0, 131070))) {
$tmpxpath = new DOMXPath($tmpdoc);
$elems = $tmpxpath->query('(//img[@src]|//video[@poster]|//iframe[contains(@src , "youtube.com/embed/")])');
foreach ($elems as $e) {
if ($e->nodeName == "iframe") {
$matches = [];
if ($rrr = preg_match("/\/embed\/([\w-]+)/", $e->getAttribute("src"), $matches)) {
$article_image = "https://img.youtube.com/vi/" . $matches[1] . "/hqdefault.jpg";
break;
}
} else if ($e->nodeName == "video") {
$article_image = $e->getAttribute("poster");
break;
} else if ($e->nodeName == 'img') {
if (mb_strpos($e->getAttribute("src"), "data:") !== 0) {
$article_image = $e->getAttribute("src");
}
break;
}
}
}
if ($article_image)
return rewrite_relative_url($site_url, $article_image);
foreach ($enclosures as $enc) {
if (strpos($enc["content_type"], "image/") !== FALSE) {
return rewrite_relative_url($site_url, $enc["content_url"]);
}
}
return false;
}
}