Image: load images from 'wikimedia_commons' categories

modulekit.php

@@ -15,6 +15,7 @@ $include = array(
     'src/language.php',
     'src/ip-location.php',
     'src/wikipedia.php',
+    'src/wikimedia.php',
   ),
   'css' => array(
     'style.css',

src/image.js

@@ -51,6 +51,19 @@ register_hook('show-details', function (data, category, dom, callback) {
     })
   }
 
+  if (!data.object.tags.wikidata && data.object.tags.wikimedia_commons) {
+    found++
+
+    ajax('wikimedia', { page: data.object.tags.wikimedia_commons }, function (result) {
+      if (result.images) {
+        result.images.forEach(function (d) {
+          showWikimediaImage(d, div)
+
+        })
+      }
+    })
+  }
+
   if (found) {
     h = document.createElement('h3')
     h.appendChild(document.createTextNode(lang('images')))

src/wikimedia.php

@@ -0,0 +1,28 @@
+<?php
+function ajax_wikimedia ($param) {
+  $ret = array();
+
+  $wm_url = "https://commons.wikimedia.org/wiki/" . urlencode(strtr($param['page'], array(" " => "_")));
+
+  $content = file_get_contents($wm_url);
+
+  $dom = new DOMDocument();
+  $dom->loadHTML($content);
+
+  $uls = $dom->getElementsByTagName('ul');//interlanguage-link interwiki-bar');
+  for ($i = 0; $i < $uls->length; $i++) {
+    $ul = $uls->item($i);
+
+    if ($ul->getAttribute('class') === 'gallery mw-gallery-traditional') {
+      $imgs = $ul->getElementsByTagName('img');
+
+      for ($j = 0; $j < $imgs->length; $j++) {
+        $ret[] = $imgs->item($j)->getAttribute('alt');
+      }
+    }
+  }
+
+  return array(
+    'images' => $ret,
+  );
+}