Social.php

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<?php

namespace Elgg\Menus;

use Elgg\Menu\MenuItems;

class Social {
    
    public static function registerComments(\Elgg\Event $event) {
        $entity = $event->getEntityParam();
        if (!$entity instanceof \ElggEntity || $entity instanceof \ElggComment) {
            return;
        }
        
        if (!$entity->hasCapability('commentable')) {
            return;
        }

        if ($entity->isDeleted()) {
            return;
        }
        
        /* @var $return MenuItems */
        $return = $event->getValue();
        
        $comment_count = $entity->countComments();
        $can_comment = $entity->canComment();
        if ($can_comment || $comment_count) {
            $text = $can_comment ? elgg_echo('comment:this') : elgg_echo('comments');
            
            $options = [
                'name' => 'comment',
                'icon' => 'comment',
                'badge' => $comment_count ?: null,
                'text' => $text,
                'title' => $text,
                'href' => $entity->getURL() . '#comments',
            ];
            
            $item = $event->getParam('item');
            if ($item instanceof \ElggRiverItem && $can_comment) {
                $options['href'] = "#comments-add-{$entity->guid}-{$item->id}";
                $options['class'] = 'elgg-toggle';
            }
            
            $return[] = \ElggMenuItem::factory($options);
        }
        
        return $return;
    }
}