strprfcrm/database/migrations/2026_08_03_000003_create_stock_tables.php

<?php

declare(strict_types=1);

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('stock_orders', function (Blueprint $table): void {
            $table->id();
            $table->foreignId('common_catalog_item_id')->constrained('common_catalog_items')->restrictOnDelete();
            $table->string('order_number');
            $table->string('status', 32)->default('ordered');
            $table->unsignedInteger('ordered_quantity');
            $table->unsignedInteger('available_quantity');
            $table->text('note')->nullable();
            $table->foreignId('user_id')->nullable()->constrained('users')->nullOnDelete();
            $table->timestamps();
            $table->softDeletes();

            $table->unique(['order_number', 'common_catalog_item_id']);
            $table->index(['common_catalog_item_id', 'status', 'available_quantity'], 'stock_order_item_status_available_index');
        });

        Schema::create('stock_reservations', function (Blueprint $table): void {
            $table->id();
            $table->foreignId('common_catalog_item_id')->constrained('common_catalog_items')->restrictOnDelete();
            $table->foreignId('stock_order_id')->constrained('stock_orders')->restrictOnDelete();
            $table->foreignId('manager_id')->nullable()->constrained('users')->nullOnDelete();
            $table->unsignedInteger('quantity');
            $table->string('status', 32)->default('active');
            $table->text('note')->nullable();
            $table->foreignId('created_by')->nullable()->constrained('users')->nullOnDelete();
            $table->timestamp('issued_at')->nullable();
            $table->timestamp('cancelled_at')->nullable();
            $table->timestamps();

            $table->index(['common_catalog_item_id', 'status']);
            $table->index(['stock_order_id', 'status']);
        });

        Schema::create('stock_movements', function (Blueprint $table): void {
            $table->id();
            $table->foreignId('common_catalog_item_id')->constrained('common_catalog_items')->restrictOnDelete();
            $table->foreignId('stock_order_id')->nullable()->constrained('stock_orders')->nullOnDelete();
            $table->foreignId('stock_reservation_id')->nullable()->constrained('stock_reservations')->nullOnDelete();
            $table->string('movement_type', 32);
            $table->unsignedInteger('quantity');
            $table->foreignId('user_id')->nullable()->constrained('users')->nullOnDelete();
            $table->text('note')->nullable();
            $table->timestamps();

            $table->index(['common_catalog_item_id', 'movement_type']);
            $table->index(['stock_order_id', 'movement_type']);
        });
    }

    public function down(): void
    {
        Schema::dropIfExists('stock_movements');
        Schema::dropIfExists('stock_reservations');
        Schema::dropIfExists('stock_orders');
    }
};