add db exporter

app/Console/Commands/DbExport.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace App\Console\Commands;
+
+use Illuminate\Console\Command;
+use Illuminate\Support\Facades\DB;
+use Psl\File;
+use Psl\Filesystem;
+use Psl\Json;
+use Psl\Vec;
+use stdClass;
+
+class DbExport extends Command
+{
+    protected $signature = 'db:export';
+
+    public function handle(): void
+    {
+        $dir = storage_path('export-' . date('Y-m-d') . '-' . time());
+        /** @phpstan-ignore-next-line */
+        Filesystem\create_directory($dir);
+
+        $tables = Vec\flat_map(
+            DB::select('show tables'),
+            fn (stdClass $r) => (array) $r,
+        );
+
+        foreach ($tables as $table) {
+            $data = DB::table($table)->get();
+
+            File\write("{$dir}/{$table}.json", Json\encode($data, true));
+        }
+    }
+}

storage/.gitignore

@@ -1,2 +1,3 @@
 testing.sqlite
 testing.sqlite-journal
+/export-*/