Fix rule group API

app/Api/V1/Requests/Models/RuleGroup/TriggerRequest.php

@@ -0,0 +1,83 @@
+<?php
+
+/**
+ * RuleGroupTriggerRequest.php
+ * Copyright (c) 2019 james@firefly-iii.org
+ *
+ * This file is part of Firefly III (https://github.com/firefly-iii).
+ *
+ * This program 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 (at your option) any later version.
+ *
+ * This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace FireflyIII\Api\V1\Requests\Models\RuleGroup;
+
+
+use Carbon\Carbon;
+use FireflyIII\Support\Request\ChecksLogin;
+use FireflyIII\Support\Request\ConvertsDataTypes;
+use Illuminate\Foundation\Http\FormRequest;
+
+/**
+ * Class TriggerRequest
+ */
+class TriggerRequest extends FormRequest
+{
+    use ConvertsDataTypes, ChecksLogin;
+
+
+
+    /**
+     * @return array
+     */
+    public function getTriggerParameters(): array
+    {
+        return [
+            'start'    => $this->getDate('start'),
+            'end'      => $this->getDate('end'),
+            'accounts' => $this->getAccounts(),
+        ];
+    }
+
+    /**
+     * @param string $field
+     *
+     * @return Carbon|null
+     */
+    private function getDate(string $field): ?Carbon
+    {
+        return null === $this->query($field) ? null : Carbon::createFromFormat('Y-m-d', $this->query($field));
+    }
+
+    /**
+     * @return array
+     */
+    private function getAccounts(): array
+    {
+        return $this->get('accounts');
+    }
+
+    /**
+     * @return array
+     */
+    public function rules(): array
+    {
+        return [
+            'start' => 'date',
+            'end'   => 'date|after:start',
+        ];
+    }
+
+}