Initial Upload

lib/Twig/TwigMessages.php

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+<?php
+/**
+ * Copyright (C) 2019 Xibo Signage Ltd
+ *
+ * Xibo - Digital Signage - http://www.xibo.org.uk
+ *
+ * This file is part of Xibo.
+ *
+ * Xibo is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * Xibo is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Xibo.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace Xibo\Twig;
+
+use Slim\Flash\Messages;
+use Twig\Extension\AbstractExtension;
+use Twig\TwigFunction;
+
+class TwigMessages extends AbstractExtension
+{
+    /**
+     * @var Messages
+     */
+    protected $flash;
+    /**
+     * Constructor.
+     *
+     * @param Messages $flash the Flash messages service provider
+     */
+    public function __construct(Messages $flash)
+    {
+        $this->flash = $flash;
+    }
+    /**
+     * Extension name.
+     *
+     * @return string
+     */
+    public function getName()
+    {
+        return 'slim-twig-flash';
+    }
+    /**
+     * Callback for twig.
+     *
+     * @return array
+     */
+    public function getFunctions()
+    {
+        return [
+            new TwigFunction('flash', [$this, 'getMessages']),
+        ];
+    }
+    /**
+     * Returns Flash messages; If key is provided then returns messages
+     * for that key.
+     *
+     * @param string $key
+     *
+     * @return array
+     */
+    public function getMessages($key = null)
+    {
+        if (null !== $key) {
+            return $this->flash->getMessage($key);
+        }
+        return $this->flash->getMessages();
+    }
+}