Add user invitations

app/Model/InviteModel.php

@@ -0,0 +1,73 @@
+<?php
+
+namespace Kanboard\Model;
+
+use Kanboard\Core\Base;
+use Kanboard\Core\Security\Token;
+
+/**
+ * Class InviteModel
+ *
+ * @package Kanboard\Model
+ * @author  Frederic Guillot
+ */
+class InviteModel extends Base
+{
+    const TABLE = 'invites';
+
+    public function createInvites(array $emails, $projectId)
+    {
+        $emails = array_unique($emails);
+        $nb = 0;
+
+        foreach ($emails as $email) {
+            $email = trim($email);
+
+            if (! empty($email) && $this->createInvite($email, $projectId)) {
+                $nb++;
+            }
+        }
+
+        return $nb;
+    }
+
+    protected function createInvite($email, $projectId)
+    {
+        $values = array(
+            'email'      => $email,
+            'project_id' => $projectId,
+            'token'      => Token::getToken(),
+        );
+
+        if ($this->db->table(self::TABLE)->insert($values)) {
+            $this->sendInvite($values);
+            return true;
+        }
+
+        return false;
+    }
+
+    protected function sendInvite(array $values)
+    {
+        $this->emailClient->send(
+            $values['email'],
+            $values['email'],
+            e('Kanboard Invitation'),
+            $this->template->render('user_invite/email', array('token' => $values['token']))
+        );
+    }
+
+    public function getByToken($token)
+    {
+        return $this->db->table(self::TABLE)
+            ->eq('token', $token)
+            ->findOne();
+    }
+
+    public function remove($email)
+    {
+        return $this->db->table(self::TABLE)
+            ->eq('email', $email)
+            ->remove();
+    }
+}