Add countries and regions

database/migrations/2026_04_03_033246_create_countries_table.php

@@ -0,0 +1,77 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('countries', function (Blueprint $table) {
+            $table->id();
+            $table->string('code', 2)->unique();
+            $table->string('name');
+            $table->string('continent', 2);
+            $table->timestamps();
+        });
+
+        $this->importCsv();
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('countries');
+    }
+
+    private function importCsv(): void
+    {
+        $path = storage_path('app/private/seed_data/countries.csv');
+
+        if (! file_exists($path)) {
+            throw new \RuntimeException("Countries CSV not found at: {$path}");
+        }
+
+        $handle = fopen($path, 'rb');
+
+        if ($handle === false) {
+            throw new \RuntimeException("Failed to open countries CSV at: {$path}");
+        }
+
+        // Skip header row
+        fgetcsv($handle);
+
+        $batch = [];
+        $batchSize = 500;
+        $now = now()->toDateTimeString();
+
+        while (($row = fgetcsv($handle)) !== false) {
+            if (count($row) < 4) {
+                continue;
+            }
+
+            // id, code, name, continent, wikipedia_link, keywords
+            [, $code, $name, $continent] = $row;
+
+            $batch[] = [
+                'code'       => trim($code),
+                'name'       => trim($name),
+                'continent'  => trim($continent),
+                'created_at' => $now,
+                'updated_at' => $now,
+            ];
+
+            if (count($batch) >= $batchSize) {
+                DB::table('countries')->insert($batch);
+                $batch = [];
+            }
+        }
+
+        fclose($handle);
+
+        if (! empty($batch)) {
+            DB::table('countries')->insert($batch);
+        }
+    }
+};