Changes to holidays and the overlap between this year and the previous year

database/migrations/2026_09_23_000001_create_holidays_table.php

@@ -0,0 +1,23 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('holidays', function (Blueprint $table) {
+            $table->id();
+            $table->date('date')->unique();
+            $table->string('title')->nullable();
+            $table->timestamps();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('holidays');
+    }
+};

database/migrations/2026_09_23_000002_seed_iranian_official_holidays.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Support\Facades\Artisan;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        if (!Schema::hasTable('holidays')) {
+            return;
+        }
+
+        Artisan::call('holidays:seed');
+    }
+
+    public function down(): void
+    {
+        // تعطیلات seed‌شده را عمداً حذف نمی‌کنیم
+    }
+};