feat(commands): add command for generating holidays in countries

app/Console/Commands/CreateHolidays.php

@@ -0,0 +1,67 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Console\Commands;
+
+use App\Services\WorkingDays\PublicHolidays\PublicHolidaysGeneratorFactory;
+use App\Services\WorkingDays\PublicHolidays\PublicHolidaysStateFactory;
+use Illuminate\Console\Command;
+
+class CreateHolidays extends Command
+{
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'app:create-holidays {country-code} {year}';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Creates public holidays for given year and country code';
+
+    /**
+     * Execute the console command.
+     */
+    public function handle(PublicHolidaysGeneratorFactory $publicHolidaysGeneratorFactory, PublicHolidaysStateFactory $publicHolidaysStateFactory): int
+    {
+        $countryCodeStr = $this->argument('country-code');
+        $year = $this->argument('year');
+
+        if (!is_string($countryCodeStr) || strlen($countryCodeStr) !== 2) {
+            $this->error('Invalid country code. Must be two-letter code');
+            return 1;
+        }
+
+        if (!is_numeric($year)) {
+            $this->error('Year must be a numeric value');
+            return 1;
+        }
+
+        $countryCode = strtoupper($countryCodeStr);
+        $publicHolidaysStore = $publicHolidaysStateFactory->createStoreForCountry($countryCode);
+
+        $this->info('Creating public holidays for country code: ' . $countryCodeStr . ' and year: ' . $year);
+
+        try {
+            $publicHolidaysGenerator = $publicHolidaysGeneratorFactory->createPublicHolidaysGeneratorForCountry($countryCode);
+        } catch (\RuntimeException $e) {
+            $this->error($e->getMessage());
+            return 1;
+        }
+
+        $result = $publicHolidaysGenerator->generatePublicHolidaysForYear((int) $year);
+
+        foreach ($result as $nwdDate) {
+            $publicHolidaysStore->storePublicHoliday($nwdDate);
+        }
+
+        $this->info('[DONE] Creating public holidays for country code: ' . $countryCode . ' and year: ' . $year);
+
+        return 0;
+    }
+}