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Set first picture as preview picture

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This commit is contained in:
nicofrand 2019-05-10 23:01:07 +02:00
parent a2b5d67560
commit 423efadefc
2 changed files with 37 additions and 12 deletions
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20
src/Wallabag/CoreBundle/Helper/ContentProxy.php
View file

@ -12,8 +12,8 @@ use Wallabag\CoreBundle\Entity\Entry;
use Wallabag\CoreBundle\Tools\Utils;
/**
* This kind of proxy class take care of getting the content from an url
* and update the entry with what it found.
* This kind of proxy class takes care of getting the content from an url
* and updates the entry with what it found.
*/
class ContentProxy
{
@ -289,13 +289,25 @@ class ContentProxy
$this->updateLanguage($entry, $content['language']);
}
$previewPictureUrl = '';
if (!empty($content['open_graph']['og_image'])) {
$this->updatePreviewPicture($entry, $content['open_graph']['og_image']);
$previewPictureUrl = $content['open_graph']['og_image'];
}
// if content is an image, define it as a preview too
if (!empty($content['content_type']) && \in_array($this->mimeGuesser->guess($content['content_type']), ['jpeg', 'jpg', 'gif', 'png'], true)) {
$this->updatePreviewPicture($entry, $content['url']);
$previewPictureUrl = $content['url'];
} elseif (empty($previewPictureUrl)) {
$this->logger->debug('Extracting images from content to provide a default preview picture');
$imagesUrls = DownloadImages::extractImagesUrlsFromHtml($content['html']);
$this->logger->debug(\count($imagesUrls) . ' pictures found');
if (!empty($imagesUrls)) {
$previewPictureUrl = $imagesUrls[0];
}
}
if (!empty($previewPictureUrl)) {
$this->updatePreviewPicture($entry, $previewPictureUrl);
}
if (!empty($content['content_type'])) {

29
src/Wallabag/CoreBundle/Helper/DownloadImages.php
View file

@ -30,6 +30,25 @@ class DownloadImages
$this->setFolder();
}
/**
* Process the html and extract images URLs from it.
*
* @param string $html
*
* @return string[]
*/
public static function extractImagesUrlsFromHtml($html)
{
$crawler = new Crawler($html);
$imagesCrawler = $crawler
->filterXpath('//img');
$imagesUrls = $imagesCrawler
->extract(['src']);
$imagesSrcsetUrls = self::getSrcsetUrls($imagesCrawler);
return array_unique(array_merge($imagesUrls, $imagesSrcsetUrls));
}
/**
* Process the html and extract image from it, save them to local and return the updated html.
*
@ -41,13 +60,7 @@ class DownloadImages
*/
public function processHtml($entryId, $html, $url)
{
$crawler = new Crawler($html);
$imagesCrawler = $crawler
->filterXpath('//img');
$imagesUrls = $imagesCrawler
->extract(['src']);
$imagesSrcsetUrls = $this->getSrcsetUrls($imagesCrawler);
$imagesUrls = array_unique(array_merge($imagesUrls, $imagesSrcsetUrls));
$imagesUrls = self::extractImagesUrlsFromHtml($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