Accept single day requests for MTD

app/Api/V1/Requests/SameDateRangeRequest.php

@@ -0,0 +1,51 @@
+<?php
+
+/*
+ * Copyright (c) 2025 https://github.com/ctrl-f5
+ *
+ * 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\Contracts\Validation\Validator;
+
+class SameDateRangeRequest extends ApiRequest
+{
+    public function rules(): array
+    {
+        return [
+            'start' => sprintf('date|after:1970-01-02|before:2038-01-17|before_or_equal:end|required_with:end|%s', $this->required),
+            'end'   => sprintf('date|after:1970-01-02|before:2038-01-17|after_or_equal:start|required_with:start|%s', $this->required),
+        ];
+    }
+
+    public function withValidator(Validator $validator): void
+    {
+        $validator->after(function (Validator $validator): void {
+            if (count($validator->failed()) > 0) {
+                return;
+            }
+            $start = $this->getCarbonDate('start')?->startOfDay();
+            $end   = $this->getCarbonDate('end')?->endOfDay();
+
+            $this->attributes->set('start', $start);
+            $this->attributes->set('end', $end);
+        });
+    }
+}

app/Api/V1/Requests/Summary/BasicRequest.php

@@ -25,13 +25,13 @@ declare(strict_types=1);
 namespace FireflyIII\Api\V1\Requests\Summary;
 
 use FireflyIII\Api\V1\Requests\AggregateFormRequest;
-use FireflyIII\Api\V1\Requests\DateRangeRequest;
+use FireflyIII\Api\V1\Requests\SameDateRangeRequest;
 use FireflyIII\Api\V1\Requests\Models\TransactionCurrency\CurrencyCodeRequest;
 
 class BasicRequest extends AggregateFormRequest
 {
     protected function getRequests(): array
     {
-        return [[DateRangeRequest::class, 'required'], CurrencyCodeRequest::class];
+        return [[SameDateRangeRequest::class, 'required'], CurrencyCodeRequest::class];
     }
 }