Add new correction command.

app/Console/Commands/Correction/CorrectsDatabase.php

@@ -74,6 +74,7 @@ class CorrectsDatabase extends Command
             'correction:group-accounts',
             'correction:recalculates-liabilities',
             'correction:preferences',
+            'correction:corrects-inverted-budget-limits',
             // 'correction:transaction-types', // resource heavy, disabled.
             'correction:recalculate-pc-amounts',
             'correction:remove-links-to-deleted-objects',

app/Console/Commands/Correction/CorrectsInvertedBudgetLimits.php

@@ -0,0 +1,74 @@
+<?php
+/*
+ * CorrectsInversedBudgetLimits.php
+ * Copyright (c) 2025 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/>.
+ */
+
+namespace FireflyIII\Console\Commands\Correction;
+
+use FireflyIII\Console\Commands\ShowsFriendlyMessages;
+use FireflyIII\Models\BudgetLimit;
+use Illuminate\Console\Command;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Log;
+
+class CorrectsInvertedBudgetLimits extends Command
+{
+    use ShowsFriendlyMessages;
+
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'correction:corrects-inverted-budget-limits';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Reverse budget limits where the dates are inverted.';
+
+    /**
+     * Execute the console command.
+     */
+    public function handle(): int
+    {
+
+        $set = BudgetLimit::where('start_date', '>', DB::raw('end_date'))->get();
+        if (0 === $set->count()) {
+            Log::debug('No inverted budget limits found.');
+            return Command::SUCCESS;
+        }
+        /** @var BudgetLimit $budgetLimit */
+        foreach ($set as $budgetLimit) {
+            $start                   = $budgetLimit->start_date->copy();
+            $end                     = $budgetLimit->end_date->copy();
+            $budgetLimit->start_date = $end;
+            $budgetLimit->end_date   = $start;
+            $budgetLimit->saveQuietly();
+        }
+        if (1 === $set->count()) {
+            $this->friendlyInfo('Corrected one budget limit to have the right start/end dates.');
+            return Command::SUCCESS;
+        }
+        $this->friendlyInfo(sprintf('Corrected %d budget limits to have the right start/end dates.', count($set)));
+        return Command::SUCCESS;
+    }
+}