improved request handling

app/Api/V1/Requests/DateRequest.php

@@ -0,0 +1,57 @@
+<?php
+
+/*
+ * Copyright (c) 2021 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;
+
+use Illuminate\Validation\Validator;
+
+class DateRequest extends ApiRequest
+{
+    public function rules(): array
+    {
+        return [
+            'date'  => 'date|after:1970-01-02|before:2038-01-17|' . $this->required,
+        ];
+    }
+
+    public function withValidator(Validator $validator): void
+    {
+        $validator->after(
+            function (Validator $validator): void {
+                if (!$validator->valid()) {
+                    return;
+                }
+                $date  = $this->getCarbonDate('date')?->endOfDay();
+
+                // if we also have a range, date must be in that range
+                $start = $this->attributes->get('start');
+                $end   = $this->attributes->get('end');
+                if ($date && $start && $end && !$date->between($start, $end)) {
+                    $validator->errors()->add('date', (string)trans('validation.between_date'));
+                }
+
+                $this->attributes->set('date', $date);
+            }
+        );
+    }
+}