Support more than 2 images

[friendica.git] / src / Model / Item.php

diff --git a/src/Model/Item.php b/src/Model/Item.php
index 8026d567cbc22c91ef0fab4c46b10a357569849a..152543b91668f3cc49c67d556eb2e5021caeefef 100644 (file)
--- a/src/Model/Item.php
+++ b/src/Model/Item.php
@@ -2991,6 +2991,7 @@ class Item
                $a = DI::app();
                Hook::callAll('prepare_body_init', $item);
 
+
                // In order to provide theme developers more possibilities, event items
                // are treated differently.
                if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
@@ -3049,6 +3050,7 @@ class Item
                $item['body'] = self::replaceVisualAttachments($attachments, $item['body'] ?? '');
 
                $item['body'] = preg_replace("/\s*\[attachment .*?\].*?\[\/attachment\]\s*/ism", "\n", $item['body']);
+
                self::putInCache($item);
                $item['body'] = $body;
                $s = $item["rendered-html"];
@@ -3082,7 +3084,10 @@ class Item
                        'filter_reasons' => $filter_reasons
                ];
                Hook::callAll('prepare_body', $hook_data);
-               $s = $hook_data['html'];
+               // Remove old images
+               $hook_data['html'] = preg_replace('|(<a.*><img.*>.*</a>)|', '', $hook_data['html']);
+               $grid = self::make_image_grid($hook_data);
+               $s = $hook_data['html'] . $grid;
                unset($hook_data);
 
                if (!$attach) {
@@ -3126,6 +3131,44 @@ class Item
                return $hook_data['html'];
        }
 
+       private function make_image_grid(array &$data)
+       {
+               $item = $data['item'];
+               if ($item['has-media']) {
+                       $attachments = Post\Media::splitAttachments($item['uri-id'], [], $item['has-media'] ?? false);
+                       if (count($attachments['visual']) > 1) {
+                               $img_tags_fc = array();
+                               $img_tags_sc = array();
+                               $count = 0;
+                               foreach ($attachments['visual'] as $attachment) {
+                                       $src_url = Post\Media::getUrlForId($attachment['id']);
+                                       $preview_url = Post\Media::getPreviewUrlForId($attachment['id'], ($attachment['width'] > $attachment['height']) ? Proxy::SIZE_MEDIUM : Proxy::SIZE_LARGE);
+                                       $img_tag = array(
+                                               '$image' => [
+                                                       'src' => $src_url,
+                                                       'preview' => $preview_url,
+                                                       'attachment' => $attachment,
+                                       ]);
+                                       if ($count % 2 == 0) {
+                                               $img_tags_fc[] = $img_tag;
+                                       } else {
+                                               $img_tags_sc[] = $img_tag;
+                                       }
+                                       ++$count;
+                               }
+
+                               $img_grid = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/image_grid.tpl'), [
+                                       'columns' => [
+                                               'fc' => $img_tags_fc,
+                                               'sc' => $img_tags_sc,
+                                       ],
+                               ]);
+                               return $img_grid;
+                       }
+               }
+
+       }
+
        /**
         * Check if the body contains a link
         *