1 files changed, 61 insertions, 0 deletions
diff --git a/app/Model/UserMention.php b/app/Model/UserMention.php
new file mode 100644
index 00000000..97a4e419
--- /dev/null
+++ b/app/Model/UserMention.php
@@ -0,0 +1,61 @@
+<?php
+
+namespace Kanboard\Model;
+
+use Kanboard\Event\GenericEvent;
+
+/**
+ * User Mention
+ *
+ * @package  model
+ * @author   Frederic Guillot
+ */
+class UserMention extends Base
+{
+    /**
+     * Get list of mentioned users
+     *
+     * @access public
+     * @param  string $content
+     * @return array
+     */
+    public function getMentionedUsers($content)
+    {
+        $users = array();
+
+        if (preg_match_all('/@([^\s]+)/', $content, $matches)) {
+            $users = $this->db->table(User::TABLE)
+                ->columns('id', 'username', 'name', 'email', 'language')
+                ->eq('notifications_enabled', 1)
+                ->neq('id', $this->userSession->getId())
+                ->in('username', array_unique($matches[1]))
+                ->findAll();
+        }
+
+        return $users;
+    }
+
+    /**
+     * Fire events for user mentions
+     *
+     * @access public
+     * @param  string       $content
+     * @param  string       $eventName
+     * @param  GenericEvent $event
+     */
+    public function fireEvents($content, $eventName, GenericEvent $event)
+    {
+        if (empty($event['project_id'])) {
+            $event['project_id'] = $this->taskFinder->getProjectId($event['task_id']);
+        }
+
+        $users = $this->getMentionedUsers($content);
+
+        foreach ($users as $user) {
+            if ($this->projectPermission->isMember($event['project_id'], $user['id'])) {
+                $event['mention'] = $user;
+                $this->dispatcher->dispatch($eventName, $event);
+            }
+        }
+    }
+}