New cronjob code.

app/Http/Controllers/System/CronController.php

@@ -0,0 +1,65 @@
+<?php
+/**
+ * CronController.php
+ * Copyright (c) 2018 thegrumpydictator@gmail.com
+ *
+ * This file is part of Firefly III.
+ *
+ * Firefly III is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Firefly III 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Firefly III. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace FireflyIII\Http\Controllers\System;
+
+use FireflyIII\Exceptions\FireflyException;
+use FireflyIII\Support\Cronjobs\RecurringCronjob;
+
+/**
+ * Class CronController
+ */
+class CronController
+{
+    /**
+     * @param string $token
+     *
+     * @return string
+     */
+    public function cron(string $token): string
+    {
+        $results   = [];
+        $results[] = $this->runRecurring();
+
+        return implode("<br>\n", $results);
+    }
+
+    /**
+     * @return string
+     */
+    private function runRecurring(): string
+    {
+        $recurring = new RecurringCronjob;
+        try {
+            $result = $recurring->fire();
+        } catch (FireflyException $e) {
+            return $e->getMessage();
+        }
+        if (false === $result) {
+            return 'The recurring transaction cron job did not fire.';
+        }
+
+        return 'The recurring transaction cron job fired successfully.';
+    }
+
+}