New cronjob code.

app/Support/Cronjobs/AbstractCronjob.php

@@ -0,0 +1,39 @@
+<?php
+/**
+ * AbstractCronjob.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\Support\Cronjobs;
+
+/**
+ * Class AbstractCronjob
+ */
+abstract class AbstractCronjob
+{
+    /** @var int */
+    public $timeBetweenRuns = 43200;
+
+    /**
+     * @return bool
+     */
+    abstract public function fire(): bool;
+
+}

app/Support/Cronjobs/RecurringCronjob.php

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+<?php
+/**
+ * RecurringCronjob.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\Support\Cronjobs;
+
+use Carbon\Carbon;
+use FireflyIII\Exceptions\FireflyException;
+use FireflyIII\Jobs\CreateRecurringTransactions;
+use FireflyIII\Models\Configuration;
+use Log;
+
+/**
+ * Class RecurringCronjob
+ */
+class RecurringCronjob extends AbstractCronjob
+{
+
+    /**
+     * @return bool
+     * @throws FireflyException
+     */
+    public function fire(): bool
+    {
+        /** @var Configuration $config */
+        $config        = app('fireflyconfig')->get('last_rt_job', 0);
+        $lastTime      = (int)$config->data;
+        $diff          = time() - $lastTime;
+        $diffForHumans = Carbon::now()->diffForHumans(Carbon::createFromTimestamp($lastTime), true);
+        if (0 === $lastTime) {
+            Log::info('Recurring transactions cronjob has never fired before.');
+        }
+        // less than half a day ago:
+        if ($lastTime > 0 && $diff <= 43200) {
+            Log::info(sprintf('It has been %s since the recurring transactions cronjob has fired. It will not fire now.', $diffForHumans));
+
+            return false;
+        }
+
+        if ($lastTime > 0 && $diff > 43200) {
+            Log::info(sprintf('It has been %s since the recurring transactions cronjob has fired. It will fire now!', $diffForHumans));
+        }
+
+        try {
+            $this->fireRecurring();
+        } catch (FireflyException $e) {
+            Log::error($e->getMessage());
+            Log::error($e->getTraceAsString());
+            throw new FireflyException(sprintf('Could not run recurring transaction cron job: %s', $e->getMessage()));
+        }
+
+        return true;
+    }
+
+    /**
+     *
+     * @throws FireflyException
+     */
+    private function fireRecurring(): void
+    {
+        $job = new CreateRecurringTransactions(new Carbon);
+        $job->handle();
+        app('fireflyconfig')->set('last_rt_job', time());
+    }
+}