Set first picture as preview picture

[github/wallabag/wallabag.git] / src / Wallabag / CoreBundle / Helper / DownloadImages.php

diff --git a/src/Wallabag/CoreBundle/Helper/DownloadImages.php b/src/Wallabag/CoreBundle/Helper/DownloadImages.php
index 9a7e9828594492bca5bb8286e82e7f31da8f3763..c1645e45afe9eb0d15335a7684de5e7be63ffcd7 100644 (file)
--- a/src/Wallabag/CoreBundle/Helper/DownloadImages.php
+++ b/src/Wallabag/CoreBundle/Helper/DownloadImages.php
@@ -31,23 +31,36 @@ class DownloadImages
     }
 
     /**
-     * Process the html and extract image from it, save them to local and return the updated html.
+     * Process the html and extract images URLs from it.
      *
-     * @param int    $entryId ID of the entry
      * @param string $html
-     * @param string $url     Used as a base path for relative image and folder
      *
-     * @return string
+     * @return string[]
      */
-    public function processHtml($entryId, $html, $url)
+    public static function extractImagesUrlsFromHtml($html)
     {
         $crawler = new Crawler($html);
         $imagesCrawler = $crawler
             ->filterXpath('//img');
         $imagesUrls = $imagesCrawler
             ->extract(['src']);
-        $imagesSrcsetUrls = $this->getSrcsetUrls($imagesCrawler);
-        $imagesUrls = array_unique(array_merge($imagesUrls, $imagesSrcsetUrls));
+        $imagesSrcsetUrls = self::getSrcsetUrls($imagesCrawler);
+
+        return array_unique(array_merge($imagesUrls, $imagesSrcsetUrls));
+    }
+
+    /**
+     * Process the html and extract image from it, save them to local and return the updated html.
+     *
+     * @param int    $entryId ID of the entry
+     * @param string $html
+     * @param string $url     Used as a base path for relative image and folder
+     *
+     * @return string
+     */
+    public function processHtml($entryId, $html, $url)
+    {
+        $imagesUrls = self::extractImagesUrlsFromHtml($html);
 
         $relativePath = $this->getRelativePath($entryId);
 
@@ -199,7 +212,7 @@ class DownloadImages
      *
      * @return array An array of urls
      */
-    private function getSrcsetUrls(Crawler $imagesCrawler)
+    private static function getSrcsetUrls(Crawler $imagesCrawler)
     {
         $urls = [];
         $iterator = $imagesCrawler